ADD_SUBDIRECTORY(samples)
-ADD_SUBDIRECTORY(audio)
-ADD_SUBDIRECTORY(radio)
-ADD_SUBDIRECTORY(media)
ADD_SUBDIRECTORY(intrinsics)
+++ /dev/null
-INCLUDE(FindPkgConfig)
-PKG_CHECK_MODULES(alsa alsa)
-PKG_CHECK_MODULES(pulseaudio libpulse libpulse-simple)
-INCLUDE(FindThreads)
-FIND_PACKAGE(Threads)
-
-IF(alsa_FOUND)
-
- MESSAGE(STATUS "ALSA found ; will compile Audio binding... (BINDING)")
-
- IF(pulseaudio_FOUND)
- MESSAGE(STATUS "PulseAudio found ; Audio binding will have PulseAudio support")
- ADD_DEFINITIONS(-DHAVE_PULSE=1)
- SET(pulse_sources audio-pulse.c)
- ENDIF(pulseaudio_FOUND)
-
- INCLUDE_DIRECTORIES(${include_dirs} ${alsa_INCLUDE_DIRS} ${pulseaudio_INCLUDE_DIRS})
- ADD_LIBRARY(audio-api MODULE audio-api.c audio-alsa.c ${pulse_sources})
- SET_TARGET_PROPERTIES(audio-api PROPERTIES
- PREFIX ""
- LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/export.map"
- )
- TARGET_LINK_LIBRARIES(audio-api ${link_libraries} ${alsa_LIBRARIES} ${pulseaudio_LIBRARIES})
- INSTALL(TARGETS audio-api
- LIBRARY DESTINATION ${binding_install_dir})
-
-ENDIF(alsa_FOUND)
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "audio-api.h"
-#include "audio-alsa.h"
-
-snd_mixer_selem_channel_id_t SCHANNELS[8] = {
- SND_MIXER_SCHN_FRONT_LEFT,
- SND_MIXER_SCHN_FRONT_RIGHT,
- SND_MIXER_SCHN_FRONT_CENTER,
- SND_MIXER_SCHN_REAR_LEFT,
- SND_MIXER_SCHN_REAR_RIGHT,
- SND_MIXER_SCHN_REAR_CENTER,
- SND_MIXER_SCHN_SIDE_LEFT,
- SND_MIXER_SCHN_SIDE_RIGHT
-};
-
-static struct dev_ctx_alsa **dev_ctx_a = NULL;
-
-
-unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
-
- snd_pcm_t *dev;
- snd_pcm_hw_params_t *params;
- snd_mixer_t *mixer;
- snd_mixer_selem_id_t *mixer_sid;
- snd_mixer_elem_t *mixer_elm;
- snd_mixer_elem_t *mixer_elm_m;
- unsigned int rate = 22050;
- long vol, vol_min, vol_max;
- int num, i;
-
- if (snd_pcm_open (&dev, name, SND_PCM_STREAM_PLAYBACK, 0) < 0) {
- fprintf (stderr, "ALSA backend could not open card '%s'\n", name);
- return 0;
- }
-
- snd_pcm_hw_params_malloc (¶ms);
- snd_pcm_hw_params_any (dev, params);
- snd_pcm_hw_params_set_access (dev, params, SND_PCM_ACCESS_RW_INTERLEAVED);
- snd_pcm_hw_params_set_format (dev, params, SND_PCM_FORMAT_S16_LE);
- snd_pcm_hw_params_set_rate_near (dev, params, &rate, 0);
- snd_pcm_hw_params_set_channels (dev, params, ctx->channels);
- if (snd_pcm_hw_params (dev, params) < 0) {
- snd_pcm_hw_params_free (params);
- fprintf (stderr, "ALSA backend could set channels on card '%s'\n", name);
- return 0;
- }
- snd_pcm_prepare (dev);
-
- snd_mixer_open (&mixer, 0);
- if (snd_mixer_attach (mixer, name) < 0) {
- snd_pcm_hw_params_free (params);
- fprintf (stderr, "ALSA backend could not open mixer for card '%s'\n", name);
- return 0;
- }
- snd_mixer_selem_register (mixer, NULL, NULL);
- snd_mixer_load (mixer);
-
- snd_mixer_selem_id_alloca (&mixer_sid);
- snd_mixer_selem_id_set_index (mixer_sid, 0);
- snd_mixer_selem_id_set_name (mixer_sid, "Master");
-
- mixer_elm = snd_mixer_find_selem (mixer, mixer_sid);
- mixer_elm_m = NULL;
-
- if (!mixer_elm) {
- /* no "Master" mixer ; we are probably on a board... search ! */
- for (mixer_elm = snd_mixer_first_elem (mixer); mixer_elm != NULL;
- mixer_elm = snd_mixer_elem_next (mixer_elm)) {
- if (snd_mixer_elem_info (mixer_elm) < 0)
- continue;
- snd_mixer_selem_get_id (mixer_elm, mixer_sid);
- if (strstr (snd_mixer_selem_id_get_name (mixer_sid), "DVC Out")) {
-
- /* this is Porter... let us found the specific mute switch */
- snd_mixer_selem_id_set_index (mixer_sid, 0);
- snd_mixer_selem_id_set_name (mixer_sid, "DVC Out Mute");
- mixer_elm_m = snd_mixer_find_selem (mixer, mixer_sid);
-
- break;
- }
- }
- }
-
- if (mixer_elm) {
- snd_mixer_selem_get_playback_volume_range (mixer_elm, &vol_min, &vol_max);
- snd_mixer_selem_get_playback_volume (mixer_elm, SND_MIXER_SCHN_FRONT_LEFT, &vol);
- }
-
- /* allocate the global array if it hasn't been done */
- if (!dev_ctx_a) {
- dev_ctx_a = (dev_ctx_alsa_T**) malloc (sizeof(dev_ctx_alsa_T*));
- dev_ctx_a[0] = (dev_ctx_alsa_T*) malloc (sizeof(dev_ctx_alsa_T));
- dev_ctx_a[0]->name = NULL;
- dev_ctx_a[0]->dev = NULL;
- }
-
- /* is a card with similar name already opened ? */
- for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T*)); num++) {
- if (dev_ctx_a[num]->name &&
- !strcmp (dev_ctx_a[num]->name, name)) {
- fprintf (stderr, "Card '%s' already locked by other ALSA backend session\n", name);
- return 0;
- }
- }
- num--;
-
- /* it's not... let us add it to the global array */
- dev_ctx_a = (dev_ctx_alsa_T**) realloc (dev_ctx_a, (num+1)*sizeof(dev_ctx_alsa_T*));
- if (!dev_ctx_a[num])
- dev_ctx_a[num] = (dev_ctx_alsa_T*) malloc (sizeof(dev_ctx_alsa_T));
- dev_ctx_a[num]->name = strdup (name);
- dev_ctx_a[num]->dev = dev;
- dev_ctx_a[num]->params = params;
- dev_ctx_a[num]->mixer_elm = mixer_elm;
- dev_ctx_a[num]->mixer_elm_m = mixer_elm_m;
- dev_ctx_a[num]->vol_max = vol_max;
- dev_ctx_a[num]->vol = vol;
- dev_ctx_a[num]->thr_should_run = 0;
- dev_ctx_a[num]->thr_finished = 0;
-
- /* make the client context aware of current card state */
- for (i = 0; i < 8; i++)
- ctx->volume[i] = _alsa_get_volume (num, i);
- ctx->mute = _alsa_get_mute (num);
- ctx->idx = num;
- ctx->name = strdup (name);
-
- fprintf (stderr, "Successfully initialized ALSA backend.\n");
-
- return 1;
-}
-
-void _alsa_free (const char *name) {
-
- int num;
-
- for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T*)); num++) {
- if (dev_ctx_a[num]->name &&
- !strcmp (dev_ctx_a[num]->name, name)) {
- snd_pcm_close (dev_ctx_a[num]->dev);
- snd_pcm_hw_params_free (dev_ctx_a[num]->params);
- free (dev_ctx_a[num]->name);
- dev_ctx_a[num]->dev = NULL;
- dev_ctx_a[num]->name = NULL;
- free (dev_ctx_a[num]);
- return;
- }
- }
-}
-
-void _alsa_play (int num) {
-
- if (!dev_ctx_a || !dev_ctx_a[num] || dev_ctx_a[num]->thr_should_run ||
- access (AUDIO_BUFFER, F_OK) == -1)
- return;
-
- dev_ctx_a[num]->thr_should_run = 1;
- dev_ctx_a[num]->thr_finished = 0;
- pthread_create (&dev_ctx_a[num]->thr, NULL, _alsa_play_thread_fn, (void*)dev_ctx_a[num]);
-}
-
-void _alsa_stop (int num) {
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->thr_should_run)
- return;
-
- /* stop the "while" loop in thread */
- dev_ctx_a[num]->thr_should_run = 0;
-
- while (!dev_ctx_a[num]->thr_finished)
- usleep(100000);
-
- pthread_join (dev_ctx_a[num]->thr, NULL);
-}
-
-unsigned int _alsa_get_volume (int num, unsigned int channel) {
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm)
- return 0;
-
- snd_mixer_selem_get_playback_volume (dev_ctx_a[num]->mixer_elm, SCHANNELS[channel], &dev_ctx_a[num]->vol);
-
- return (unsigned int)(dev_ctx_a[num]->vol*100)/dev_ctx_a[num]->vol_max;
-}
-
-void _alsa_set_volume (int num, unsigned int channel, unsigned int vol) {
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm ||
- vol > 100)
- return;
-
- snd_mixer_selem_set_playback_volume (dev_ctx_a[num]->mixer_elm, SCHANNELS[channel], (vol*dev_ctx_a[num]->vol_max)/100);
-}
-
-void _alsa_set_volume_all (int num, unsigned int vol) {
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm ||
- vol > 100)
-
- fflush (stdout); /* seems to force this logic to apply quickly */
- snd_mixer_selem_set_playback_volume_all (dev_ctx_a[num]->mixer_elm, (vol*dev_ctx_a[num]->vol_max)/100);
-}
-
-unsigned char _alsa_get_mute (int num) {
-
- int mute = 0;
- snd_mixer_elem_t *elm_m;
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm)
- return 0;
-
- dev_ctx_a[num]->mixer_elm_m ? (elm_m = dev_ctx_a[num]->mixer_elm_m) :
- (elm_m = dev_ctx_a[num]->mixer_elm);
-
- if (snd_mixer_selem_has_playback_switch (elm_m)) {
- snd_mixer_selem_get_playback_switch (elm_m, SND_MIXER_SCHN_FRONT_LEFT, &mute);
- snd_mixer_selem_get_playback_switch (elm_m, SND_MIXER_SCHN_FRONT_RIGHT, &mute);
- }
-
- if (dev_ctx_a[num]->mixer_elm_m)
- return (unsigned char)mute;
- else
- return (unsigned char)!mute;
-}
-
-void _alsa_set_mute (int num, unsigned char tomute) {
-
- snd_mixer_elem_t *elm_m;
- int mute;
-
- if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm || 1 < tomute)
- return;
-
- if (dev_ctx_a[num]->mixer_elm_m) {
- elm_m = dev_ctx_a[num]->mixer_elm_m;
- mute = (int)!tomute;
- } else {
- elm_m = dev_ctx_a[num]->mixer_elm;
- mute = (int)tomute;
- }
-
- if (snd_mixer_selem_has_playback_switch (elm_m))
- snd_mixer_selem_set_playback_switch_all (elm_m, !mute);
-}
-
-void _alsa_set_rate (int num, unsigned int rate) {
-
- if (!dev_ctx_a || !dev_ctx_a[num])
- return;
-
- snd_pcm_hw_params_set_rate_near (dev_ctx_a[num]->dev, dev_ctx_a[num]->params, &rate, 0);
-}
-
-void _alsa_set_channels (int num, unsigned int channels) {
-
- if (!dev_ctx_a || !dev_ctx_a[num])
- return;
-
- snd_pcm_hw_params_set_channels (dev_ctx_a[num]->dev, dev_ctx_a[num]->params, channels);
-}
-
- /* ---- LOCAL THREADED FUNCTIONS ---- */
-
-void* _alsa_play_thread_fn (void *ctx) {
-
- dev_ctx_alsa_T *dev_ctx_a = (dev_ctx_alsa_T *)ctx;
- FILE *file = NULL;
- char *buf = NULL;
- long size;
- int frames, res;
-
- file = fopen (AUDIO_BUFFER, "rb");
-
- while (dev_ctx_a->thr_should_run && file && (access (AUDIO_BUFFER, F_OK) != -1) ) {
- fseek (file, 0, SEEK_END);
- size = ftell (file);
- buf = (char*) realloc (buf, size * sizeof(char));
- frames = (size * sizeof(char)) / 4;
-
- fseek (file, 0, SEEK_SET);
- fread (buf, 1, size, file);
- fflush (file);
-
- if ((res = snd_pcm_writei (dev_ctx_a->dev, buf, frames)) != frames) {
- snd_pcm_recover (dev_ctx_a->dev, res, 0);
- snd_pcm_prepare (dev_ctx_a->dev);
- }
- /* snd_pcm_drain (dev_ctx->dev); */
- }
- if (buf) free(buf);
- if (file) fclose(file);
-
- dev_ctx_a->thr_finished = 1;
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef AUDIO_ALSA_H
-#define AUDIO_ALSA_H
-
-#include <pthread.h>
-#include <alsa/asoundlib.h>
-
-#include "audio-api.h"
-
-#define AUDIO_BUFFER "/tmp/audio_buf"
-
-typedef struct dev_ctx_alsa dev_ctx_alsa_T;
-
-struct dev_ctx_alsa {
- char *name;
- snd_pcm_t *dev;
- snd_pcm_hw_params_t *params;
- snd_mixer_elem_t *mixer_elm;
- snd_mixer_elem_t *mixer_elm_m;
- long vol_max;
- long vol;
- pthread_t thr;
- unsigned char thr_should_run;
- unsigned char thr_finished;
-};
-
-unsigned char _alsa_init (const char *, audioCtxHandleT *);
-void _alsa_free (const char *);
-void _alsa_play (int);
-void _alsa_stop (int);
-unsigned int _alsa_get_volume (int, unsigned int);
-void _alsa_set_volume (int, unsigned int, unsigned int);
-void _alsa_set_volume_all (int, unsigned int);
-unsigned char _alsa_get_mute (int);
-void _alsa_set_mute (int, unsigned char);
-void _alsa_set_channels (int, unsigned int);
-
-void* _alsa_play_thread_fn (void *);
-
-#endif /* AUDIO_ALSA_H */
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <stdlib.h>
-#include <json-c/json.h>
-
-#include "audio-api.h"
-#include "audio-alsa.h"
-#ifdef HAVE_PULSE
-#include "audio-pulse.h"
-#endif
-
-#include <afb/afb-binding.h>
-#include <afb/afb-req-itf.h>
-
-/* ------ BACKEND FUNCTIONS ------- */
-
-unsigned char _backend_init (const char *name, audioCtxHandleT *ctx) {
-
- char *backend_env = getenv ("AFB_AUDIO_OUTPUT");
- unsigned char res = 0;
-
-# ifdef HAVE_PULSE
- if (!backend_env || (strcasecmp (backend_env, "Pulse") == 0))
- res = _pulse_init (name, ctx);
- if (!res)
-#endif
- res = _alsa_init (name, ctx);
-
- if (!res)
- fprintf (stderr, "Could not initialize Audio backend\n");
-
- return res;
-}
-
-void _backend_free (audioCtxHandleT *ctx) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_free (ctx); else
-# endif
- _alsa_free (ctx->name);
-}
-
-void _backend_play (audioCtxHandleT *ctx) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_play (ctx); else
-# endif
- _alsa_play (ctx->idx);
-}
-
-void _backend_stop (audioCtxHandleT *ctx) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_stop (ctx); else
-# endif
- _alsa_stop (ctx->idx);
-}
-
-unsigned int _backend_get_volume (audioCtxHandleT *ctx, unsigned int channel) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) return _pulse_get_volume (ctx, channel); else
-# endif
- return _alsa_get_volume (ctx->idx, channel);
-}
-
-void _backend_set_volume (audioCtxHandleT *ctx, unsigned int channel, unsigned int vol) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_set_volume (ctx, channel, vol); else
-# endif
- _alsa_set_volume (ctx->idx, channel, vol);
-}
-
-void _backend_set_volume_all (audioCtxHandleT *ctx, unsigned int vol) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_set_volume_all (ctx, vol); else
-# endif
- _alsa_set_volume_all (ctx->idx, vol);
-}
-
-unsigned char _backend_get_mute (audioCtxHandleT *ctx) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) return _pulse_get_mute (ctx); else
-# endif
- return _alsa_get_mute (ctx->idx);
-}
-
-void _backend_set_mute (audioCtxHandleT *ctx, unsigned char mute) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) _pulse_set_mute (ctx, mute); else
-# endif
- _alsa_set_mute (ctx->idx, mute);
-}
-
-void _backend_set_channels (audioCtxHandleT *ctx, unsigned int channels) {
-
-# ifdef HAVE_PULSE
- if (ctx->audio_dev) return; else
-# endif
- _alsa_set_channels (ctx->idx, channels);
-}
-
-/* ------ LOCAL HELPER FUNCTIONS --------- */
-
-/* private client context constructor ; default values */
-static audioCtxHandleT* initAudioCtx () {
-
- audioCtxHandleT *ctx;
- int i;
-
- ctx = malloc (sizeof(audioCtxHandleT));
- ctx->audio_dev = NULL;
- ctx->name = NULL;
- ctx->idx = -1;
- for (i = 0; i < 8; i++)
- ctx->volume[i] = 25;
- ctx->channels = 2;
- ctx->mute = 0;
- ctx->is_playing = 0;
-
- return ctx;
-}
-
-static void releaseAudioCtx (void *context) {
-
- audioCtxHandleT *ctx = (audioCtxHandleT*) context;
-
- /* power it off */
- _backend_free (ctx);
-
- /* clean client context */
- ctx->audio_dev = NULL;
- if (ctx->name)
- free (ctx->name);
- ctx->idx = -1;
- free (ctx);
-}
-
-
-/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-
-static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- audioCtxHandleT *ctx = afb_req_context_get (request);
- json_object *jresp;
-
- /* create a private client context */
- if (!ctx) {
- ctx = initAudioCtx();
- afb_req_context_set (request, ctx, releaseAudioCtx);
- }
-
- if (!_backend_init ("default", ctx))
- afb_req_fail (request, "failed", "backend initialization failed");
-
- jresp = json_object_new_object();
- json_object_object_add (jresp, "init", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Audio initialized");
-}
-
-static void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- audioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
- unsigned int volume[8], i;
- char *volume_i;
- char volume_str[256];
- size_t len_str = 0;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- for (i = 0; i < 8; i++) {
- ctx->volume[i] = _backend_get_volume (ctx, i);
- snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
- len_str = strlen (volume_str);
- }
- json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
- afb_req_success (request, jresp, "Audio - Volume obtained");
- return;
- }
-
- /* "?value=" parameter, set volume */
- else {
- volume_i = strdup (value);
- volume_i = strtok (volume_i, ",");
- volume[0] = (unsigned int) atoi (volume_i);
-
- if (100 < volume[0]) {
- free (volume_i);
- afb_req_fail (request, "failed", "volume must be between 0 and 100");
- return;
- }
- ctx->volume[0] = volume[0];
- _backend_set_volume (ctx, 0, ctx->volume[0]);
- snprintf (volume_str, sizeof(volume_str), "%d,", ctx->volume[0]);
-
- for (i = 1; i < 8; i++) {
- volume_i = strtok (NULL, ",");
- /* if there is only one value, set all channels to this one */
- if (!volume_i && i == 1)
- _backend_set_volume_all (ctx, ctx->volume[0]);
- if (!volume_i || 100 < atoi(volume_i) || atoi(volume_i) < 0)
- ctx->volume[i] = _backend_get_volume (ctx, i);
- else {
- ctx->volume[i] = (unsigned int) atoi(volume_i);
- _backend_set_volume (ctx, i, ctx->volume[i]);
- }
- len_str = strlen(volume_str);
- snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
- }
- free (volume_i);
- json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
- }
-
- afb_req_success (request, jresp, "Audio - Volume changed");
-}
-
-static void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- audioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
- char channels_str[256];
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
-
- json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
- afb_req_success (request, jresp, "Audio - Channels obtained");
- return;
- }
-
- /* "?value=" parameter, set channels */
- else {
- ctx->channels = (unsigned int) atoi (value);
- _backend_set_channels (ctx, ctx->channels);
- snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
-
- jresp = json_object_new_object();
- json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
- }
-
- afb_req_success (request, jresp, "Audio - Channels set");
-}
-
-static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- audioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- ctx->mute = _backend_get_mute (ctx);
- ctx->mute ?
- json_object_object_add (jresp, "mute", json_object_new_string ("on"))
- : json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- afb_req_success (request, jresp, "Audio - Mute status obtained");
- return;
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- ctx->mute = 1;
- _backend_set_mute (ctx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- ctx->mute = 0;
- _backend_set_mute (ctx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Audio - Mute set");
-}
-
-static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- audioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- ctx->is_playing ?
- json_object_object_add (jresp, "play", json_object_new_string ("on"))
- : json_object_object_add (jresp, "play", json_object_new_string ("off"));
- afb_req_success (request, jresp, "Audio - Playing status obtained");
- return;
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- ctx->is_playing = 1;
- _backend_play (ctx);
- json_object_object_add (jresp, "play", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- ctx->is_playing = 0;
- _backend_stop (ctx);
- json_object_object_add (jresp, "play", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Audio - Play");
-}
-
-static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
- afb_req_success (request, NULL, "Audio - Ping success");
-}
-
-static const struct afb_verb_desc_v1 verbs[] = {
- {"init" , AFB_SESSION_CHECK, init , "Audio API - init"},
- {"volume" , AFB_SESSION_CHECK, volume , "Audio API - volume"},
- {"channels", AFB_SESSION_CHECK, channels , "Audio API - channels"},
- {"mute" , AFB_SESSION_CHECK, mute , "Audio API - mute"},
- {"play" , AFB_SESSION_CHECK, play , "Audio API - play"},
- {"ping" , AFB_SESSION_NONE, ping , "Audio API - ping"},
- {NULL}
-};
-
-static const struct afb_binding pluginDesc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "Application Framework Binder - Audio plugin",
- .prefix = "audio",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
-{
- return &pluginDesc;
-}
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef AUDIO_API_H
-#define AUDIO_API_H
-
-/* global plugin handle, should store everything we may need */
-typedef struct {
- int devCount;
-} pluginHandleT;
-
-/* private client context [will be destroyed when client leaves] */
-typedef struct {
- void *audio_dev; /* handle to implementation (ALSA, PulseAudio...) */
- char *name; /* name of the audio card */
- int idx; /* audio card index within global array */
- unsigned int volume[8]; /* audio volume (8 channels) : 0-100 */
- unsigned int channels; /* audio channels : 1(mono)/2(stereo)... */
- unsigned char mute; /* audio muted : 0(false)/1(true) */
- unsigned char is_playing; /* audio is playing: 0(false)/1(true) */
-} audioCtxHandleT;
-
-
-#endif /* AUDIO_API_H */
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <stdio.h>
-
-#include "audio-api.h"
-#include "audio-pulse.h"
-
-static struct alsa_info **alsa_info = NULL;
-static struct dev_ctx_pulse **dev_ctx_p = NULL;
-static unsigned int client_count = 0;
-
-
-unsigned char _pulse_init (const char *name, audioCtxHandleT *ctx) {
-
- pa_mainloop *pa_loop;
- pa_mainloop_api *pa_api;
- pa_context *pa_context;
- pa_simple *pa;
- pa_sample_spec *pa_spec;
- struct timeval tv_start, tv_now;
- int ret, error, i;
-
- pa_loop = pa_mainloop_new ();
- pa_api = pa_mainloop_get_api (pa_loop);
- pa_context = pa_context_new (pa_api, "afb-audio-plugin");
-
- /* allocate the global array if it hasn't been done */
- if (!dev_ctx_p)
- dev_ctx_p = (dev_ctx_pulse_T**) malloc (sizeof(dev_ctx_pulse_T*));
-
- /* create a temporary device, to be held until sink gets discovered */
- dev_ctx_pulse_T *dev_ctx_p_t = (dev_ctx_pulse_T*) malloc (sizeof(dev_ctx_pulse_T));
- dev_ctx_p_t->sink_name = NULL;
- dev_ctx_p_t->card_name = (char**) malloc (sizeof(char*));
- dev_ctx_p_t->card_name[0] = strdup (name);
- dev_ctx_p_t->pa_loop = pa_loop;
- dev_ctx_p_t->pa_context = pa_context;
-
- pa_context_set_state_callback (pa_context, _pulse_context_cb, (void*)dev_ctx_p_t);
- pa_context_connect (pa_context, NULL, 0, NULL);
-
- /* 1 second should be sufficient to retrieve sink info */
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 2) {
- pa_mainloop_iterate (pa_loop, 0, &ret);
-
- if (ret == -1) { /* generic error */
- fprintf (stderr, "Stopping PulseAudio backend...\n");
- return 0;
- }
-
- if ((ret > 0)&&(ret < 100)) { /* 0 and >100 are PulseAudio codes */
- /* found a matching sink from callback */
- fprintf (stderr, "Success : using sink n.%d\n", ret-1);
- ctx->audio_dev = (void*)dev_ctx_p[ret-1];
- break;
- }
- gettimeofday (&tv_now, NULL);
- }
- /* fail if we found no matching sink */
- if (!ctx->audio_dev)
- return 0;
-
- /* make the client context aware of current card state */
- ctx->mute = (unsigned char)dev_ctx_p[ret-1]->mute;
- ctx->channels = (unsigned int)dev_ctx_p[ret-1]->volume.channels;
- for (i = 0; i < ctx->channels; i++)
- ctx->volume[i] = dev_ctx_p[ret-1]->volume.values[i];
- ctx->idx = ret-1;
-
- /* open matching sink for playback */
- pa_spec = (pa_sample_spec*) malloc (sizeof(pa_sample_spec));
- pa_spec->format = PA_SAMPLE_S16LE;
- pa_spec->rate = 22050;
- pa_spec->channels = (uint8_t)ctx->channels;
-
- if (!(pa = pa_simple_new (NULL, "afb-audio-plugin", PA_STREAM_PLAYBACK, dev_ctx_p[ret-1]->sink_name,
- "afb-audio-output", pa_spec, NULL, NULL, &error))) {
- fprintf (stderr, "Error opening PulseAudio sink %s : %s\n",
- dev_ctx_p[ret-1]->sink_name, pa_strerror(error));
- return 0;
- }
- dev_ctx_p[ret-1]->pa = pa;
- free (pa_spec);
-
- client_count++;
-
- fprintf (stderr, "Successfully initialized PulseAudio backend.\n");
-
- return 1;
-}
-
-void _pulse_free (audioCtxHandleT *ctx) {
-
- int num, i;
-
- client_count--;
- if (client_count > 0) return;
-
- for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T*)); num++) {
-
- for (i = 0; num < (sizeof(dev_ctx_p[num]->card_name)/sizeof(char*)); i++) {
- free (dev_ctx_p[num]->card_name[i]);
- dev_ctx_p[num]->card_name[i] = NULL;
- }
- pa_context_disconnect (dev_ctx_p[num]->pa_context);
- pa_context_unref (dev_ctx_p[num]->pa_context);
- pa_mainloop_free (dev_ctx_p[num]->pa_loop);
- pa_simple_free (dev_ctx_p[num]->pa);
- free (dev_ctx_p[num]->sink_name);
- dev_ctx_p[num]->pa_context = NULL;
- dev_ctx_p[num]->pa_loop = NULL;
- dev_ctx_p[num]->pa = NULL;
- dev_ctx_p[num]->sink_name = NULL;
- free (dev_ctx_p[num]);
- }
-}
-
-void _pulse_play (audioCtxHandleT *ctx) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
-
- if (!dev_ctx_p_c || dev_ctx_p_c->thr_should_run || access (AUDIO_BUFFER, F_OK) == -1)
- return;
-
- dev_ctx_p_c->thr_should_run = 1;
- dev_ctx_p_c->thr_finished = 0;
- pthread_create (&dev_ctx_p_c->thr, NULL, _pulse_play_thread_fn, (void*)dev_ctx_p_c);
-}
-
-void _pulse_stop (audioCtxHandleT *ctx) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
-
- if (!dev_ctx_p_c || !dev_ctx_p_c->thr_should_run)
- return;
-
- dev_ctx_p_c->thr_should_run = 0;
- while (!dev_ctx_p_c->thr_finished)
- usleep(100000);
- pthread_join (dev_ctx_p_c->thr, NULL);
-}
-
-unsigned int _pulse_get_volume (audioCtxHandleT *ctx, unsigned int channel) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
-
- if (!dev_ctx_p_c)
- return 0;
-
- _pulse_refresh_sink (dev_ctx_p_c);
-
- return (dev_ctx_p_c->volume.values[channel]*100)/PA_VOLUME_NORM;
-}
-
-void _pulse_set_volume (audioCtxHandleT *ctx, unsigned int channel, unsigned int vol) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
- struct pa_cvolume volume;
-
- if (!dev_ctx_p_c)
- return;
-
- volume = dev_ctx_p_c->volume;
- volume.values[channel] = (vol*PA_VOLUME_NORM)/100;
-
- pa_context_set_sink_volume_by_name (dev_ctx_p_c->pa_context, dev_ctx_p_c->sink_name,
- &volume, NULL, NULL);
- _pulse_refresh_sink (dev_ctx_p_c);
-}
-
-void _pulse_set_volume_all (audioCtxHandleT *ctx, unsigned int vol) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
- struct pa_cvolume volume;
-
- if (!dev_ctx_p_c)
- return;
-
- pa_cvolume_init (&volume);
- pa_cvolume_set (&volume, dev_ctx_p_c->volume.channels, vol);
-
- pa_context_set_sink_volume_by_name (dev_ctx_p_c->pa_context, dev_ctx_p_c->sink_name,
- &volume, NULL, NULL);
- _pulse_refresh_sink (dev_ctx_p_c);
-}
-
-unsigned char _pulse_get_mute (audioCtxHandleT *ctx) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
-
- if (!dev_ctx_p_c)
- return 0;
-
- _pulse_refresh_sink (dev_ctx_p_c);
-
- return (unsigned char)dev_ctx_p_c->mute;
-}
-
-void _pulse_set_mute (audioCtxHandleT *ctx, unsigned char mute) {
-
- dev_ctx_pulse_T* dev_ctx_p_c = (dev_ctx_pulse_T*)ctx->audio_dev;
-
- if (!dev_ctx_p_c)
- return;
-
- pa_context_set_sink_mute_by_name (dev_ctx_p_c->pa_context, dev_ctx_p_c->sink_name,
- (int)mute, NULL, NULL);
- _pulse_refresh_sink (dev_ctx_p_c);
-}
-
- /* ---- LOCAL HELPER FUNCTIONS ---- */
-
-void _pulse_refresh_sink (dev_ctx_pulse_T* dev_ctx_p_c) {
-
- pa_mainloop_api *pa_api;
-
- dev_ctx_p_c->pa_loop = pa_mainloop_new ();
- pa_api = pa_mainloop_get_api (dev_ctx_p_c->pa_loop);
- dev_ctx_p_c->pa_context = pa_context_new (pa_api, "afb-audio-plugin");
-
- dev_ctx_p_c->refresh = 1;
-
- switch (pa_context_get_state (dev_ctx_p_c->pa_context)) {
- case PA_CONTEXT_READY:
- pa_context_get_sink_info_by_name (dev_ctx_p_c->pa_context,
- dev_ctx_p_c->sink_name,
- _pulse_sink_info_cb, (void*)dev_ctx_p_c);
- break;
- default:
- return;
- }
-
- while (dev_ctx_p_c->refresh)
- pa_mainloop_iterate (dev_ctx_p_c->pa_loop, 0, NULL);
-}
-
-void _pulse_enumerate_cards () {
-
- void **cards, **card;
- char *name, *found, *alsa_name, *card_name;
- int new_info, i, num = 0;
-
- /* allocate the global alsa array */
- alsa_info = (alsa_info_T**) malloc (sizeof(alsa_info_T*));
- alsa_info[0] = (alsa_info_T*) malloc (sizeof(alsa_info_T));
- alsa_info[0]->device = NULL;
- alsa_info[0]->synonyms = NULL;
-
- /* we use ALSA to enumerate cards */
- snd_device_name_hint (-1, "pcm", &cards);
- card = cards;
-
- for (; *card != NULL; card++) {
- name = snd_device_name_get_hint (*card, "NAME");
- new_info = 1;
-
- /* alsa name is before ':' (if ':' misses, then it has no card) */
- found = strstr (name, ":");
- if (!found) continue;
- /* */
- alsa_name = (char*) malloc (found-name+1);
- strncpy (alsa_name, name, found-name);
- alsa_name[found-name] = '\0';
-
- /* card name is the invariant between "CARD=" and ',' */
- found = strstr (name, "CARD=");
- if (!found) continue;
- /* */
- found += 5;
- card_name = strdup (found);
- found = strstr (card_name, ",");
- if (found) card_name[found-card_name] = '\0';
-
- /* was the card name already listed in the global alsa array ? */
- for (i = 0; i < (sizeof(alsa_info)/sizeof(alsa_info_T*)); i++) {
-
- if (alsa_info[i]->device &&
- !strcmp (alsa_info[i]->device, card_name)) {
- /* it was ; add the alsa name as a new synonym */
- asprintf (&alsa_info[i]->synonyms, "%s:%s", alsa_info[i]->synonyms, alsa_name);
- new_info = 0;
- break;
- }
- }
- /* it was not ; create it */
- if (new_info) {
- alsa_info = (alsa_info_T**) realloc (alsa_info, (num+1)*sizeof(alsa_info_T*));
- alsa_info[num] = (alsa_info_T*) malloc (sizeof(alsa_info_T));
- alsa_info[num]->device = strdup (card_name);
- asprintf (&alsa_info[num]->synonyms, ":%s", alsa_name);
- num++;
- }
- free (alsa_name);
- free (card_name);
- }
-}
-
-char** _pulse_find_cards (const char *name) {
-
- char **cards = NULL;
- char *needle, *found, *next;
- int num, i = 0;
-
- if (!alsa_info)
- _pulse_enumerate_cards ();
-
- asprintf (&needle, ":%s", name);
-
- for (num = 0; num < (sizeof(alsa_info)/sizeof(alsa_info_T*)); num++) {
-
- found = strstr (alsa_info[num]->synonyms, needle);
- while (found) {
- /* if next character is not ':' or '\0', we are wrong */
- if ((found[strlen(name)+1] != ':') && (found[strlen(name)+1] != '\0')) {
- found = strstr (found+1, needle);
- continue;
- }
- /* found it ; now return all the "synonym" cards */
- found = strstr (alsa_info[num]->synonyms, ":");
- while (found) {
- next = strstr (found+1, ":");
- if (!next) break;
- cards = (char**) realloc (cards, (i+1)*sizeof(char*));
- cards[i] = (char*) malloc (next-found+1);
- strncpy (cards[i], found+1, next-found);
- cards[i][next-found-1] = '\0';
- found = next; i++;
- }
- }
- }
- free (needle);
-
- return cards;
-}
-
- /* ---- LOCAL CALLBACK FUNCTIONS ---- */
-
-void _pulse_context_cb (pa_context *context, void *data) {
-
- pa_context_state_t state = pa_context_get_state (context);
- dev_ctx_pulse_T *dev_ctx_p_t = (dev_ctx_pulse_T *)data;
-
- if (state == PA_CONTEXT_FAILED) {
- fprintf (stderr, "Could not connect to PulseAudio !\n");
- pa_mainloop_quit (dev_ctx_p_t->pa_loop, -1);
- pa_context_disconnect (dev_ctx_p_t->pa_context);
- pa_context_unref (dev_ctx_p_t->pa_context);
- pa_mainloop_free (dev_ctx_p_t->pa_loop);
- }
-
- if (state == PA_CONTEXT_READY)
- pa_context_get_sink_info_list (context, _pulse_sink_list_cb, (void*)dev_ctx_p_t);
-}
-
-void _pulse_sink_list_cb (pa_context *context, const pa_sink_info *info,
- int eol, void *data) {
-
- dev_ctx_pulse_T *dev_ctx_p_t = (dev_ctx_pulse_T *)data;
- const char *device_string;
- char *device, *found;
- char **cards;
- int num, i;
-
- if (eol != 0)
- return;
-
- device_string = pa_proplist_gets (info->proplist, "device.string");
- /* ignore sinks with no cards */
- if (!device_string)
- return;
-
- /* was a sink with similar name already found ? */
- for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T*)); num++) {
- if (dev_ctx_p[num]->sink_name &&
- !strcmp (dev_ctx_p[num]->sink_name, info->name)) {
-
- /* yet it was, did it have the required card ? */
- cards = dev_ctx_p[num]->card_name;
- for (i = 0; i < (sizeof(cards)/sizeof(char*)); i++) {
- if (!strcmp (cards[i], dev_ctx_p_t->card_name[0])) {
- /* it did : stop there and succeed */
- fprintf (stderr, "Found matching sink : %s\n", info->name);
- /* we return num+1 because '0' is already used */
- pa_mainloop_quit (dev_ctx_p_t->pa_loop, num+1);
- pa_context_disconnect (dev_ctx_p_t->pa_context);
- pa_context_unref (dev_ctx_p_t->pa_context);
- pa_mainloop_free (dev_ctx_p_t->pa_loop);
- }
- }
- /* it did not, ignore and return */
- return;
- }
- }
- num++;
-
- /* remove ending ":0",":1"... in device name */
- device = strdup (device_string);
- found = strstr (device, ":");
- if (found) device[found-device] = '\0';
-
- /* new sink, find all the cards it manages, fail if none */
- cards = _pulse_find_cards (device);
- free (device);
- if (!cards)
- return;
-
- /* everything is well, register it in global array */
- dev_ctx_p_t->sink_name = strdup (info->name);
- dev_ctx_p_t->card_name = cards;
- dev_ctx_p_t->mute = info->mute;
- dev_ctx_p_t->volume = info->volume;
- dev_ctx_p_t->thr_should_run = 0;
- dev_ctx_p_t->thr_finished = 0;
- dev_ctx_p[num] = dev_ctx_p_t;
-
- /* does this new sink have the card we are looking for ? */ /* TODO : factorize this */
- for (i = 0; i < (sizeof(cards)/sizeof(char*)); i++) {
- if (!strcmp (cards[i], dev_ctx_p_t->card_name[0])) {
- /* it did : stop there and succeed */
- fprintf (stderr, "Found matching sink : %s\n", info->name);
- /* we return num+1 because '0' is already used */
- pa_mainloop_quit (dev_ctx_p_t->pa_loop, num+1);
- pa_context_disconnect (dev_ctx_p_t->pa_context);
- pa_context_unref (dev_ctx_p_t->pa_context);
- pa_mainloop_free (dev_ctx_p_t->pa_loop);
- }
- }
-}
-
-void _pulse_sink_info_cb (pa_context *context, const pa_sink_info *info,
- int eol, void *data) {
-
- dev_ctx_pulse_T *dev_ctx_p_c = (dev_ctx_pulse_T *)data;
-
- if (eol != 0)
- return;
-
- dev_ctx_p_c->refresh = 0;
- dev_ctx_p_c->mute = info->mute;
- dev_ctx_p_c->volume = info->volume;
-}
-
- /* ---- LOCAL THREADED FUNCTIONS ---- */
-
-void* _pulse_play_thread_fn (void *ctx) {
-
- dev_ctx_pulse_T *dev_ctx_p_c = (dev_ctx_pulse_T *)ctx;
- FILE *file = NULL;
- char *buf = NULL;
- long size;
- int error;
-
- file = fopen (AUDIO_BUFFER, "rb");
-
- while (dev_ctx_p_c->thr_should_run && file && (access (AUDIO_BUFFER, F_OK) != -1) ) {
- fseek (file, 0, SEEK_END);
- size = ftell (file);
- buf = (char*) realloc (buf, size * sizeof(char));
-
- fseek (file, 0, SEEK_SET);
- fread (buf, 1, size, file);
- fflush (file);
-
- if (pa_simple_write (dev_ctx_p_c->pa, buf, size*2, &error) < 0)
- fprintf (stderr, "Error writing to PulseAudio : %s\n", pa_strerror (error));
- /* pa_simple_drain (dev_ctx_p_c->pa); */
- }
- if (buf) free(buf);
- if (file) fclose(file);
-
- dev_ctx_p_c->thr_finished = 1;
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef AUDIO_PULSE_H
-#define AUDIO_PULSE_H
-
-#include <sys/time.h>
-#include <pulse/pulseaudio.h>
-#include <pulse/simple.h>
-#include <pulse/error.h>
-
-#include "audio-alsa.h"
-
-typedef struct dev_ctx_pulse dev_ctx_pulse_T;
-typedef struct alsa_info alsa_info_T;
-
-struct dev_ctx_pulse {
- char *sink_name;
- char **card_name;
- pa_mainloop *pa_loop;
- pa_context *pa_context;
- pa_simple *pa;
- pa_cvolume volume;
- int mute;
- unsigned char refresh;
- pthread_t thr;
- unsigned char thr_should_run;
- unsigned char thr_finished;
-};
-
-struct alsa_info {
- char *device;
- char *synonyms;
-};
-
-unsigned char _pulse_init (const char *, audioCtxHandleT *);
-void _pulse_free (audioCtxHandleT *);
-void _pulse_play (audioCtxHandleT *);
-void _pulse_stop (audioCtxHandleT *);
-unsigned int _pulse_get_volume (audioCtxHandleT *, unsigned int);
-void _pulse_set_volume (audioCtxHandleT *, unsigned int, unsigned int);
-void _pulse_set_volume_all (audioCtxHandleT *, unsigned int);
-unsigned char _pulse_get_mute (audioCtxHandleT *);
-void _pulse_set_mute (audioCtxHandleT *, unsigned char);
-
-void _pulse_context_cb (pa_context *, void *);
-void _pulse_sink_list_cb (pa_context *, const pa_sink_info *, int, void *);
-void _pulse_sink_info_cb (pa_context *, const pa_sink_info *, int, void *);
-void* _pulse_play_thread_fn (void *);
-void _pulse_refresh_sink (dev_ctx_pulse_T *);
-
-#endif /* AUDIO_PULSE_H */
+++ /dev/null
-{ global: afbBindingV1Register; local: *; };
+++ /dev/null
-INCLUDE(FindPkgConfig)
-PKG_CHECK_MODULES(gupnp gupnp-1.0 gupnp-av-1.0 gssdp-1.0 gobject-2.0 gio-2.0)
-
-IF(gupnp_FOUND)
-
- MESSAGE(STATUS "gupnp found ; will compile Media binding... (binding)")
-
- INCLUDE_DIRECTORIES( ${include_dirs} ${gupnp_INCLUDE_DIRS})
- ADD_LIBRARY(media-api MODULE media-api.c media-rygel.c)
- SET_TARGET_PROPERTIES(media-api PROPERTIES
- PREFIX ""
- LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/export.map"
- )
- TARGET_LINK_LIBRARIES(media-api ${link_libraries} ${gupnp_LIBRARIES})
- INSTALL(TARGETS media-api
- LIBRARY DESTINATION ${binding_install_dir})
-
-ENDIF(gupnp_FOUND)
+++ /dev/null
-{ global: afbBindingV1Register; local: *; };
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-
-#include <string.h>
-
-#include <json-c/json.h>
-
-#include "media-api.h"
-#include "media-rygel.h"
-
-#include <afb/afb-binding.h>
-#include <afb/afb-req-itf.h>
-
-json_object* _rygel_list (mediaCtxHandleT *);
-
-/* ------ LOCAL HELPER FUNCTIONS --------- */
-
-/* private client context creation ; default values */
-static mediaCtxHandleT* initMediaCtx () {
-
- mediaCtxHandleT *ctx;
-
- ctx = malloc (sizeof(mediaCtxHandleT));
- ctx->media_server = NULL;
- ctx->index = 0;
-
- return ctx;
-}
-
-/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-
-static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- json_object *jresp;
-
- /* create a private client context */
- if (!ctx) {
- ctx = initMediaCtx();
- afb_req_context_set (request, ctx, free);
- }
-
- /* initialize server connection */
- if (!ctx->media_server)
- _rygel_init (ctx);
-
- jresp = json_object_new_object ();
- json_object_object_add (jresp, "init", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Media - Initialized");
-}
-
-static void list (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- json_object *jresp;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- jresp = _rygel_list (ctx);
-
- if (!jresp) {
- afb_req_fail (request, "failed", "no content found in media server");
- return;
- }
-
- afb_req_success (request, jresp, "Media - Listed");
-}
-
-static void selecting (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
- unsigned int index;
- char index_str[5];
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- /* no "?value=" parameter : return current index */
- if (!value) {
- snprintf (index_str, sizeof(index_str), "%d", ctx->index);
- jresp = json_object_new_object();
- json_object_object_add (jresp, "index", json_object_new_string (index_str));
- }
-
- /* "?value=" parameter is negative */
- else if (atoi(value) < 0) {
- afb_req_fail (request, "failed", "chosen index cannot be negative");
- return;
- }
-
- /* "?value=" parameter is positive */
- else if (atoi(value) >= 0) {
- index = (unsigned int) atoi(value);
-
- if (!_rygel_select (ctx, index)) {
- afb_req_fail (request, "failed", "chosen index superior to current media count");
- return;
- }
-
- ctx->index = index;
- jresp = json_object_new_object();
- json_object_object_add (jresp, "index", json_object_new_string (value));
- }
- else
- jresp = NULL;
-
- afb_req_success (request, jresp, "Media - Listed");
-}
-
-static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- json_object *jresp;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- if (!_rygel_do (ctx, PLAY, NULL)) {
- afb_req_fail (request, "failed", "could not play chosen media");
- return;
- }
-
- jresp = json_object_new_object ();
- json_object_object_add (jresp, "play", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Media - Listed");
-}
-
-static void stop (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- json_object *jresp;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- if (!_rygel_do (ctx, STOP, NULL)) {
- afb_req_fail (request, "failed", "could not stop chosen media");
- return;
- }
-
- jresp = json_object_new_object ();
- json_object_object_add (jresp, "stop", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Media - Stopped");
-}
-
-static void pausing (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- json_object *jresp;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- if (!_rygel_do (ctx, PAUSE, NULL)) {
- afb_req_fail (request, "failed", "could not pause chosen media");
- return;
- }
-
- jresp = json_object_new_object();
- json_object_object_add (jresp, "pause", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Media - Paused");
-}
-
-static void seek (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- /* no "?value=" parameter : return error */
- if (!value) {
- afb_req_fail (request, "failed", "you must provide a time");
- return;
- }
-
- if (!_rygel_do (ctx, SEEK, (char *)value)) {
- afb_req_fail (request, "failed", "could not seek chosen media");
- return;
- }
-
- jresp = json_object_new_object();
- json_object_object_add (jresp, "seek", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Media - Sought");
-}
-
-static char *renamed_filename(struct afb_arg argfile)
-{
- char *result;
- const char *e = strrchr(argfile.path, '/');
- if (e == NULL)
- result = strdup(argfile.value);
- else {
- result = malloc((++e - argfile.path) + strlen(argfile.value) + 1);
- if (result != NULL)
- strcpy(stpncpy(result, argfile.path, e - argfile.path), argfile.value);
- }
- return result;
-}
-
-static void on_uploaded(struct afb_req *prequest, int status)
-{
- struct afb_req request = afb_req_unstore(prequest);
- struct afb_arg argfile = afb_req_get(request, "file-upload");
- char *file = renamed_filename(argfile);
- if (file != NULL)
- unlink(file);
- free(file);
- if (status)
- afb_req_fail (request, "failed", "expected file not received");
- else
- afb_req_success_f (request, NULL, "uploaded file %s", argfile.value);
- afb_req_unref(request);
-}
-
-static void upload (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- mediaCtxHandleT *ctx = afb_req_context_get(request);
- struct afb_req *prequest;
- struct afb_arg argfile;
- char *path;
-
- /* check that context is initialized */
- if (ctx == NULL) {
- afb_req_fail (request, "failed", "uninitialized");
- return;
- }
-
- /* get the file */
- argfile = afb_req_get(request, "file-upload");
- if (!argfile.value || !argfile.path) {
- afb_req_fail (request, "failed", "expected file not received");
- return;
- }
-
- /* rename the file */
- path = renamed_filename(argfile);
- if (path == NULL) {
- afb_req_fail (request, "failed", "out of memory");
- return;
- }
- if (rename(argfile.path, path) != 0) {
- free(path);
- afb_req_fail (request, "failed", "system error");
- return;
- }
-
- /* for asynchronous processing */
- prequest = afb_req_store(request);
- if (path == NULL) {
- unlink(path);
- afb_req_fail (request, "failed", "out of memory");
- }
- else if (!_rygel_upload (ctx, path, (void*)on_uploaded, prequest)) {
- afb_req_unref(afb_req_unstore(prequest));
- unlink(path);
- afb_req_fail (request, "failed", "Error when uploading file to media server... could not complete");
- }
- free(path);
-}
-
-static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
- afb_req_success (request, NULL, "Media - Ping succeeded");
-}
-
-
-static const struct afb_verb_desc_v1 verbs[]= {
- {"init" , AFB_SESSION_CHECK, init , "Media API - init" },
- {"list" , AFB_SESSION_CHECK, list , "Media API - list" },
- {"select" , AFB_SESSION_CHECK, selecting , "Media API - select" },
- {"play" , AFB_SESSION_CHECK, play , "Media API - play" },
- {"stop" , AFB_SESSION_CHECK, stop , "Media API - stop" },
- {"pause" , AFB_SESSION_CHECK, pausing , "Media API - pause" },
- {"seek" , AFB_SESSION_CHECK, seek , "Media API - seek" },
-// {"upload" , AFB_SESSION_CHECK, upload , "Media API - upload" },
- {"ping" , AFB_SESSION_NONE, ping , "Media API - ping" },
- {NULL}
-};
-
-static const struct afb_binding pluginDesc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "Application Framework Binder - Media plugin",
- .prefix = "media",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
-{
- return &pluginDesc;
-}
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef MEDIA_API_H
-#define MEDIA_API_H
-
-/* -------------- PLUGIN DEFINITIONS ----------------- */
-
-/* private client context [will be destroyed when client leaves] */
-typedef struct {
- void *media_server; /* handle to implementation (Rygel...) */
- unsigned int index; /* currently selected media file */
-} mediaCtxHandleT;
-
-#endif /* MEDIA_API_H */
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <string.h>
-
-#include "media-api.h"
-#include "media-rygel.h"
-
-static void _rygel_device_cb (GUPnPControlPoint *, GUPnPDeviceProxy *, gpointer);
-static void _rygel_av_transport_cb (GUPnPControlPoint *, GUPnPDeviceProxy *, gpointer);
-static void _rygel_content_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-static void _rygel_metadata_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-static void _rygel_select_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-static void _rygel_upload_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-static void _rygel_transfer_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-static void _rygel_do_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer);
-
-static unsigned int client_count = 0;
-static struct dev_ctx **dev_ctx = NULL;
-
-/* -------------- MEDIA RYGEL IMPLEMENTATION ---------------- */
-
-/* --- PUBLIC FUNCTIONS --- */
-
-unsigned char _rygel_init (mediaCtxHandleT *ctx) {
-
- GMainContext *loop;
- GUPnPContext *context;
- GUPnPControlPoint *control_point;
- gint handler_cb;
- struct timeval tv_start, tv_now;
-
- context = gupnp_context_new (NULL, NULL, 0, NULL);
-
- control_point = gupnp_control_point_new (context, URN_MEDIA_SERVER);
-
- handler_cb = g_signal_connect (control_point, "device-proxy-available",
- G_CALLBACK (_rygel_device_cb), ctx);
-
- /* start searching for servers */
- gssdp_resource_browser_set_active (GSSDP_RESOURCE_BROWSER (control_point), TRUE);
-
- loop = g_main_context_default ();
-
- /* 5 seconds should be sufficient to find Rygel */
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (loop, FALSE);
-
- if (ctx->media_server)
- break;
- gettimeofday (&tv_now, NULL);
- }
- /* fail if we found no server */
- if (!ctx->media_server)
- return 0;
-
- /* we have found the server ; stop looking for it... */
- g_signal_handler_disconnect (control_point, handler_cb);
-
- dev_ctx[client_count]->loop = loop;
- dev_ctx[client_count]->context = context;
- dev_ctx[client_count]->av_transport = NULL;
- dev_ctx[client_count]->state = STOP;
- dev_ctx[client_count]->target_state = STOP;
- dev_ctx[client_count]->action_args = NULL;
- dev_ctx[client_count]->transfer_started = 0;
-
- client_count++;
-
- return 1;
-}
-
-void _rygel_free (mediaCtxHandleT *ctx) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server;
-
- client_count--;
-
- g_main_context_unref (dev_ctx_c->loop);
- dev_ctx_c->loop = NULL;
- dev_ctx_c->context = NULL;
- dev_ctx_c->device_info = NULL;
- dev_ctx_c->av_transport = NULL;
- dev_ctx_c->content_dir = NULL;
- dev_ctx_c->content_res = NULL;
-}
-
-json_object* _rygel_list (mediaCtxHandleT *ctx) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server;
- json_object *json_o, *json_a;
- char *raw, *start, *end, *id, *title;
- int length, i = 0;
-
- if (!dev_ctx_c)
- return NULL;
-
- raw = _rygel_list_raw (dev_ctx_c, NULL);
- if (!raw)
- return NULL;
-
- start = strstr (raw, "<dc:title>");
- if (!start)
- return NULL;
-
- json_o = json_object_new_object ();
- json_a = json_object_new_array ();
- while (start) {
- json_object *json_i, *json_id, *json_title;
-
- start = strstr (start, "<dc:title>");
- if (!start) break;
- end = strstr (start, "</dc:title>");
- start += 10;
- length = end - start;
-
- asprintf (&id, "%02d", i);
-
- title = (char*) malloc (length+1);
- strncpy (title, start, length);
- title[length] = '\0';
-
- json_i = json_object_new_object ();
- json_id = json_object_new_string (id);
- json_title = json_object_new_string (title);
- json_object_object_add (json_i, "id", json_id);
- json_object_object_add (json_i, "title", json_title);
- json_object_array_add (json_a, json_i);
-
- free (id); free (title);
- i++;
- }
-
- json_object_object_add (json_o, "list", json_a);
-
- return json_o;
-}
-
-unsigned char _rygel_select (mediaCtxHandleT *ctx, unsigned int index) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server;
- unsigned int count;
-
- if (!dev_ctx_c)
- return 0;
-
- if (!_rygel_list_raw (dev_ctx_c, &count) ||
- index >= count)
- return 0;
-
- if (ctx->index != index)
- dev_ctx_c->state = STOP;
-
- return 1;
-}
-
-unsigned char _rygel_upload (mediaCtxHandleT *ctx, const char *path, void (*oncompletion)(void*,int), void *closure) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server;
- char *raw, *upload_id;
-
- if (!dev_ctx_c)
- return 0;
-
- raw = _rygel_list_raw (dev_ctx_c, NULL);
- if (!raw)
- return 0;
-
- /* for now, we always use the same upload container id */
- upload_id = _rygel_find_upload_id (dev_ctx_c, raw);
-
- return _rygel_start_uploading (dev_ctx_c, strdup(path), upload_id);
-}
-
-unsigned char _rygel_do (mediaCtxHandleT *ctx, State state, char *args) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server;
- unsigned int index = ctx->index;
- unsigned int count;
- char *raw, *id, *metadata, *uri;
-
- if (!dev_ctx_c || dev_ctx_c->state == state)
- return 0;
-
- raw = _rygel_list_raw (dev_ctx_c, &count);
- if (!raw || index >= count)
- return 0;
-
- id = _rygel_find_id_for_index (dev_ctx_c, raw, index);
- metadata = _rygel_find_metadata_for_id (dev_ctx_c, id);
- uri = _rygel_find_uri_for_metadata (dev_ctx_c, metadata);
-
- return _rygel_start_doing (dev_ctx_c, uri, metadata, state, args);
-}
-
-/* --- LOCAL HELPER FUNCTIONS --- */
-
-char* _rygel_list_raw (dev_ctx_T* dev_ctx_c, unsigned int *count) {
-
- GUPnPServiceProxy *content_dir_proxy;
- struct timeval tv_start, tv_now;
-
- dev_ctx_c->content_res = NULL;
- dev_ctx_c->content_num = 0;
- content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir);
-
- gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_content_cb, dev_ctx_c,
- "ObjectID", G_TYPE_STRING, "Filesystem",
- "BrowseFlag", G_TYPE_STRING, "BrowseDirectChildren",
- "Filter", G_TYPE_STRING, "@childCount",
- "StartingIndex", G_TYPE_UINT, 0,
- "RequestedCount", G_TYPE_UINT, 64,
- "SortCriteria", G_TYPE_STRING, "",
- NULL);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->content_res)
- break;
- gettimeofday (&tv_now, NULL);
- }
-
- if (count) *count = dev_ctx_c->content_num;
- return dev_ctx_c->content_res;
-}
-
-char* _rygel_find_upload_id (dev_ctx_T* dev_ctx_c, char *raw) {
-
- char *found;
- char id[33];
-
- found = strstr (raw, "parentID=\"");
- found += 10;
-
- /* IDs are 32-bit strings */
- strncpy (id, found, 32);
- id[32] = '\0';
-
- return strdup (id);
-}
-
-char* _rygel_find_id_for_index (dev_ctx_T* dev_ctx_c, char *raw, unsigned int index) {
-
- char *found = raw;
- char id[33];
- int i;
-
- for (i = 0; i <= index; i++) {
- found = strstr (found, "item id=");
- found += 9;
-
- if (i == index) {
- /* IDs are 32-bit strings */
- strncpy (id, found, 32);
- id[32] = '\0';
- }
- }
-
- return strdup (id);
-}
-
-char* _rygel_find_metadata_for_id (dev_ctx_T* dev_ctx_c, char *id) {
-
- GUPnPServiceProxy *content_dir_proxy;
- struct timeval tv_start, tv_now;
-
- dev_ctx_c->content_res = NULL;
-
- content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir);
-
- gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_metadata_cb, dev_ctx_c,
- "ObjectID", G_TYPE_STRING, id,
- "BrowseFlag", G_TYPE_STRING, "BrowseMetadata",
- "Filter", G_TYPE_STRING, "*",
- "StartingIndex", G_TYPE_UINT, 0,
- "RequestedCount", G_TYPE_UINT, 0,
- "SortCriteria", G_TYPE_STRING, "",
- NULL);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->content_res)
- break;
- gettimeofday (&tv_now, NULL);
- }
-
- return dev_ctx_c->content_res;
-}
-
-char* _rygel_find_uri_for_metadata (dev_ctx_T* dev_ctx_c, char *metadata) {
-
- char *start, *end, *uri = NULL;
- int length;
-
- /* position ourselves after the first "<res " tag */
- start = strstr (metadata, "<res ");
-
- while (start) {
- start = strstr (start, "http://");
- if (!start) break;
- end = strstr (start, "</res>");
- length = end - start;
-
-
- uri = (char *)malloc (length + 1);
- strncpy (uri, start, length);
- uri[length] = '\0';
- /* if the URI contains "primary_http", it is the main one ; stop here...*/
- if (strstr (uri, "primary_http"))
- break;
-
- free (uri); start = end;
- }
-
- return uri;
-}
-
-char * _rygel_time_for_string (char *string) {
-
- int total_seconds;
- unsigned int hours, minutes, seconds;
- char *time;
-
- total_seconds = atoi (string);
- hours = total_seconds / 3600;
- minutes = (total_seconds / 60) - (hours * 60);
- seconds = total_seconds - (hours * 3600) - (minutes * 60);
-
- asprintf (&time, "%u:%02u:%02u", hours, minutes, seconds);
-
- return time;
-}
-
-unsigned char _rygel_start_uploading (dev_ctx_T* dev_ctx_c, char *path, char *upload_id) {
-
- GUPnPServiceProxy *content_dir_proxy;
- GUPnPDIDLLiteWriter *didl_writer;
- GUPnPDIDLLiteObject *didl_object;
- char *didl, *content_type, *mime_type, *upnp_class;
- struct timeval tv_start, tv_now;
-
- didl_writer = gupnp_didl_lite_writer_new (NULL);
- didl_object = GUPNP_DIDL_LITE_OBJECT (gupnp_didl_lite_writer_add_item (didl_writer));
-
- /* create the metadata for the file */
- gupnp_didl_lite_object_set_parent_id (didl_object, upload_id);
- gupnp_didl_lite_object_set_id (didl_object, "");
- gupnp_didl_lite_object_set_restricted (didl_object, FALSE);
- gupnp_didl_lite_object_set_title (didl_object, g_path_get_basename (path));
- /* deduce the UPnP class from the MIME type ("audio/ogg" e.g.) */
- content_type = g_content_type_guess (path, NULL, 0, NULL);
- mime_type = g_content_type_get_mime_type (content_type);
- if (strstr (mime_type, "audio/"))
- upnp_class = strdup ("object.item.audioItem.musicTrack");
- else if (strstr (mime_type, "video/"))
- upnp_class = strdup ("object.item.videoItem");
- else if (strstr (mime_type, "image/"))
- upnp_class = strdup ("object.item.imageItem");
- else
- upnp_class = strdup ("object.item");
- gupnp_didl_lite_object_set_upnp_class (didl_object, upnp_class);
- didl = gupnp_didl_lite_writer_get_string (didl_writer);
-
- dev_ctx_c->transfer_path = path;
- dev_ctx_c->transfer_started = 0;
- content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir);
-
- gupnp_service_proxy_begin_action (content_dir_proxy, "CreateObject", _rygel_upload_cb, dev_ctx_c,
- "ContainerID", G_TYPE_STRING, upload_id,
- "Elements", G_TYPE_STRING, didl,
- NULL);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->transfer_started)
- break;
- gettimeofday (&tv_now, NULL);
- }
- if (!dev_ctx_c->transfer_started)
- return 0;
-
- return 1;
-}
-
-unsigned char _rygel_start_doing (dev_ctx_T* dev_ctx_c, char *uri, char *metadata, State state, char *args) {
-
- GUPnPServiceProxy *av_transport_proxy;
- struct timeval tv_start, tv_now;
-
- if (!dev_ctx_c->av_transport) {
- if (!_rygel_find_av_transport (dev_ctx_c))
- return 0;
- }
- dev_ctx_c->target_state = state;
- dev_ctx_c->action_args = args;
- av_transport_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->av_transport);
-
- gupnp_service_proxy_begin_action (av_transport_proxy, "SetAVTransportURI", _rygel_select_cb, dev_ctx_c,
- "InstanceID", G_TYPE_UINT, 0,
- "CurrentURI", G_TYPE_STRING, uri,
- "CurrentURIMetaData", G_TYPE_STRING, metadata,
- NULL);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->state == state)
- break;
- gettimeofday (&tv_now, NULL);
- }
- if (dev_ctx_c->state != state)
- return 0;
-
- return 1;
-}
-
-unsigned char _rygel_find_av_transport (dev_ctx_T* dev_ctx_c) {
-
- GUPnPControlPoint *control_point;
- gint handler_cb;
- struct timeval tv_start, tv_now;
-
- control_point = gupnp_control_point_new (dev_ctx_c->context, URN_MEDIA_RENDERER);
-
- handler_cb = g_signal_connect (control_point, "device-proxy-available",
- G_CALLBACK (_rygel_av_transport_cb), dev_ctx_c);
-
- gssdp_resource_browser_set_active (GSSDP_RESOURCE_BROWSER (control_point), TRUE);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->av_transport)
- break;
- gettimeofday (&tv_now, NULL);
- }
- g_signal_handler_disconnect (control_point, handler_cb);
-
- if (!dev_ctx_c->av_transport)
- return 0;
-
- return 1;
-}
-
-
- /* ---- LOCAL CALLBACK FUNCTIONS ---- */
-
-static void _rygel_device_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy,
- gpointer data) {
-
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)data;
- GUPnPDeviceInfo *device_info;
- GUPnPServiceInfo *content_dir;
- const char *device_name;
-
- device_info = GUPNP_DEVICE_INFO (proxy);
- device_name = gupnp_device_info_get_model_name (device_info);
- content_dir = gupnp_device_info_get_service (device_info, URN_CONTENT_DIR);
-
- if (strcmp (device_name, "Rygel") != 0)
- return;
- if (!content_dir)
- return;
-
- /* allocate the global array if it has not been not done */
- if (!dev_ctx)
- dev_ctx = (dev_ctx_T**) malloc (sizeof(dev_ctx_T));
- else
- dev_ctx = (dev_ctx_T**) realloc (dev_ctx, (client_count+1)*sizeof(dev_ctx_T));
-
- /* create an element for the client in the global array */
- dev_ctx[client_count] = (dev_ctx_T*) malloc (sizeof(dev_ctx_T));
- dev_ctx[client_count]->device_info = device_info;
- dev_ctx[client_count]->content_dir = content_dir;
-
- /* make the client context aware of it */
- ctx->media_server = (void*)dev_ctx[client_count];
-}
-
-static void _rygel_av_transport_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy,
- gpointer data) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GUPnPDeviceInfo *device_info;
- GUPnPServiceInfo *av_transport;
-
- device_info = GUPNP_DEVICE_INFO (proxy);
- av_transport = gupnp_device_info_get_service (device_info, URN_AV_TRANSPORT);
-
- dev_ctx_c->av_transport = av_transport;
-}
-
-static void _rygel_content_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action,
- gpointer data) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GUPnPServiceProxy *content_dir_proxy = GUPNP_SERVICE_PROXY (content_dir);
- GError *error;
- char *result;
- guint32 number_returned;
- guint32 total_matches;
- char *found;
- char subid[33];
-
- gupnp_service_proxy_end_action (content_dir, action, &error,
- "Result", G_TYPE_STRING, &result,
- "NumberReturned", G_TYPE_UINT, &number_returned,
- "TotalMatches", G_TYPE_UINT, &total_matches,
- NULL);
-
- if (number_returned == 0)
- return;
-
- if (number_returned == 1) {
- found = strstr (result, "id=\"");
- found += 4;
- strncpy (subid, found, 32); subid[32] = '\0';
-
- gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_content_cb, dev_ctx_c,
- "ObjectID", G_TYPE_STRING, subid,
- "BrowseFlag", G_TYPE_STRING, "BrowseDirectChildren",
- "Filter", G_TYPE_STRING, "@childCount",
- "StartingIndex", G_TYPE_UINT, 0,
- "RequestedCount", G_TYPE_UINT, 64,
- "SortCriteria", G_TYPE_STRING, "",
- NULL);
- return;
- }
-
- if (number_returned > 1) {
- dev_ctx_c->content_res = result;
- dev_ctx_c->content_num = number_returned;
- }
-}
-
-static void _rygel_metadata_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action,
- gpointer data) {
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GError *error;
- char *result;
-
- gupnp_service_proxy_end_action (content_dir, action, &error,
- "Result", G_TYPE_STRING, &result,
- NULL);
-
- dev_ctx_c->content_res = result;
-}
-
-static void _rygel_select_cb (GUPnPServiceProxy *av_transport, GUPnPServiceProxyAction *action,
- gpointer data)
-{
-
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GUPnPServiceProxy *av_transport_proxy;
- GError *error;
- char *time;
- struct timeval tv_start, tv_now;
-
- av_transport_proxy = GUPNP_SERVICE_PROXY (av_transport);
-
- gupnp_service_proxy_end_action (av_transport, action, &error, NULL);
-
- switch (dev_ctx_c->target_state) {
- case PLAY:
- gupnp_service_proxy_begin_action (av_transport_proxy, "Play", _rygel_do_cb, dev_ctx_c,
- "InstanceID", G_TYPE_UINT, 0,
- "Speed", G_TYPE_STRING, "1",
- NULL);
- break;
- case PAUSE:
- gupnp_service_proxy_begin_action (av_transport_proxy, "Pause", _rygel_do_cb, dev_ctx_c,
- "InstanceID", G_TYPE_UINT, 0,
- NULL);
- break;
- case STOP:
- gupnp_service_proxy_begin_action (av_transport_proxy, "Stop", _rygel_do_cb, dev_ctx_c,
- "InstanceID", G_TYPE_UINT, 0,
- NULL);
- break;
- case SEEK:
- time = _rygel_time_for_string (dev_ctx_c->action_args);
- gupnp_service_proxy_begin_action (av_transport_proxy, "Seek", _rygel_do_cb, dev_ctx_c,
- "InstanceID", G_TYPE_UINT, 0,
- "Unit", G_TYPE_STRING, "ABS_TIME",
- "Target", G_TYPE_STRING, time,
- NULL);
- default:
- break;
- }
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->state == dev_ctx_c->target_state)
- break;
- gettimeofday (&tv_now, NULL);
- }
-}
-
-static void _rygel_upload_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action,
- gpointer data)
-{
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GUPnPServiceProxy *content_dir_proxy;
- GError *error;
- char *result, *start, *end, *dst_uri, *src_uri;
- int length;
- struct timeval tv_start, tv_now;
-
- content_dir_proxy = GUPNP_SERVICE_PROXY (content_dir);
-
- if (!gupnp_service_proxy_end_action (content_dir, action, &error,
- "Result", G_TYPE_STRING, &result,
- NULL))
- return;
-
- start = strstr (result, "<res importUri=\"");
- if (!start)
- return;
-
- start += 16;
- end = strstr (start, "\"");
- length = end - start;
-
- dst_uri = (char*) malloc(length+1);
- strncpy (dst_uri, start, length);
- dst_uri[length] = '\0';
-
- asprintf (&src_uri, "http://%s:%u%s", gupnp_context_get_host_ip (dev_ctx_c->context),
- gupnp_context_get_port (dev_ctx_c->context),
- dev_ctx_c->transfer_path);
-
- /* host the file */
- gupnp_context_host_path (dev_ctx_c->context, dev_ctx_c->transfer_path,
- dev_ctx_c->transfer_path);
-
- gupnp_service_proxy_begin_action (content_dir_proxy, "ImportResource", _rygel_transfer_cb, dev_ctx_c,
- "SourceURI", G_TYPE_STRING, src_uri,
- "DestinationURI", G_TYPE_STRING, dst_uri,
- NULL);
-
- gettimeofday (&tv_start, NULL);
- gettimeofday (&tv_now, NULL);
- while (tv_now.tv_sec - tv_start.tv_sec <= 5) {
-
- g_main_context_iteration (dev_ctx_c->loop, FALSE);
-
- if (dev_ctx_c->transfer_started)
- break;
- gettimeofday (&tv_now, NULL);
- }
-}
-
-static void _rygel_transfer_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action,
- gpointer data)
-{
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GError *error;
- guint transfer_id;
-
- if (!gupnp_service_proxy_end_action (content_dir, action, &error,
- "TransferID", G_TYPE_UINT, &transfer_id,
- NULL))
- return;
-
- dev_ctx_c->transfer_started = 1;
-}
-
-static void _rygel_do_cb (GUPnPServiceProxy *av_transport, GUPnPServiceProxyAction *action,
- gpointer data)
-{
- dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data;
- GError *error;
-
- if (!gupnp_service_proxy_end_action (av_transport, action, &error,
- NULL))
- return;
-
- dev_ctx_c->state = dev_ctx_c->target_state;
-}
+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef MEDIA_RYGEL_H
-#define MEDIA_RYGEL_H
-
-/* --------------- MEDIA RYGEL DEFINITIONS ------------------ */
-
-#include <sys/time.h>
-#include <json-c/json.h>
-#include <libgupnp/gupnp-control-point.h>
-#include <libgupnp-av/gupnp-av.h>
-
-#include "media-api.h"
-
-#define URN_MEDIA_SERVER "urn:schemas-upnp-org:device:MediaServer:1"
-#define URN_MEDIA_RENDERER "urn:schemas-upnp-org:device:MediaRenderer:1"
-#define URN_CONTENT_DIR "urn:schemas-upnp-org:service:ContentDirectory"
-#define URN_AV_TRANSPORT "urn:schemas-upnp-org:service:AVTransport"
-
-typedef enum { PLAY, PAUSE, STOP, SEEK } State;
-typedef struct dev_ctx dev_ctx_T;
-
-struct dev_ctx {
- GMainContext *loop;
- GUPnPContext *context;
- GUPnPDeviceInfo *device_info;
- GUPnPServiceInfo *content_dir;
- GUPnPServiceInfo *av_transport;
- char *content_res;
- int content_num;
- State state;
- State target_state;
- char *action_args;
- char *transfer_path;
- unsigned char transfer_started;
-};
-
-unsigned char _rygel_init (mediaCtxHandleT *);
-void _rygel_free (mediaCtxHandleT *);
-json_object* _rygel_list (mediaCtxHandleT *);
-unsigned char _rygel_select (mediaCtxHandleT *, unsigned int);
-unsigned char _rygel_upload (mediaCtxHandleT *ctx, const char *path, void (*oncompletion)(void*,int), void *closure);
-unsigned char _rygel_do (mediaCtxHandleT *, State, char *);
-
-char* _rygel_list_raw (dev_ctx_T *, unsigned int *);
-char* _rygel_find_upload_id (dev_ctx_T *, char *);
-char* _rygel_find_id_for_index (dev_ctx_T *, char *, unsigned int);
-char* _rygel_find_metadata_for_id (dev_ctx_T *, char *);
-char* _rygel_find_uri_for_metadata (dev_ctx_T *, char *);
-unsigned char _rygel_start_uploading (dev_ctx_T *, char *, char *);
-unsigned char _rygel_start_doing (dev_ctx_T *, char *, char *, State, char *);
-unsigned char _rygel_find_av_transport (dev_ctx_T *);
-#endif /* MEDIA_RYGEL_H */
+++ /dev/null
-INCLUDE(FindPkgConfig)
-PKG_CHECK_MODULES(librtlsdr librtlsdr>=0.5.0)
-
-IF(librtlsdr_FOUND)
-
- MESSAGE(STATUS "librtlsdr found ; will compile Radio binding... (binding)")
- INCLUDE_DIRECTORIES(${include_dirs} ${librtlsdr_INCLUDE_DIRS})
- ADD_LIBRARY(radio-api MODULE radio-api.c radio-rtlsdr.c)
- SET_TARGET_PROPERTIES(radio-api PROPERTIES
- PREFIX ""
- LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/export.map"
- )
- TARGET_LINK_LIBRARIES(radio-api ${link_libraries} ${librtlsdr_LIBRARIES} -lm)
- INSTALL(TARGETS radio-api
- LIBRARY DESTINATION ${binding_install_dir})
-
-ENDIF(librtlsdr_FOUND)
+++ /dev/null
-{ global: afbBindingV1Register; local: *; };
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <strings.h>
-#include <json-c/json.h>
-
-#include "radio-api.h"
-#include "radio-rtlsdr.h"
-
-#include <afb/afb-binding.h>
-#include <afb/afb-req-itf.h>
-
-/* ********************************************************
-
- FULUP integration proposal with client session context
-
- ******************************************************** */
-
-/* ------ LOCAL HELPER FUNCTIONS --------- */
-
-static pluginHandleT *the_radio = NULL;
-
-/* detect new radio devices */
-void updateRadioDevList(pluginHandleT *handle) {
-
- int idx;
-
- // loop on existing radio if any
- for (idx = 0; idx < _radio_dev_count(); idx++) {
- if (idx == MAX_RADIO) break;
- handle->radios[idx] = calloc(1, sizeof(radioDevT)); /* use calloc to set "used" to FALSE */
- handle->radios[idx]->name = (char *) _radio_dev_name(idx);
- }
- handle->devCount = _radio_dev_count();
-}
-
-/* global plugin context creation ; at loading time [radio devices might not be visible] */
-static void initRadioPlugin() {
-
- pluginHandleT *handle;
-
- handle = calloc (1, sizeof(pluginHandleT));
- updateRadioDevList (handle);
- the_radio = handle;
-}
-
-/* private client context creation ; default values */
-static radioCtxHandleT* initRadioCtx () {
-
- radioCtxHandleT *ctx;
-
- ctx = malloc (sizeof(radioCtxHandleT));
- ctx->radio = NULL;
- ctx->idx = -1;
- ctx->mode = FM;
- ctx->freq = 100.0;
- ctx->mute = 0;
- ctx->is_playing = 0;
-
- return ctx;
-}
-
-/* reserve a radio device for requesting client, power it on */
-unsigned char reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
-
- unsigned int idx;
-
- /* loop on all devices, find an unused one */
- for (idx = 0; idx < _radio_dev_count(); idx++) {
- if (idx == MAX_RADIO) break;
- if (handle->radios[idx]->used == FALSE) goto found_radio; /* found one */
- }
- return 0;
-
- found_radio:
- /* try to power it on, passing client context info such as frequency... */
-
- _radio_on (idx, ctx);
- /* TODO : try to re-iterate from the next ones if it failed ! */
-
- /* globally mark it as reserved */
- handle->radios[idx]->used = TRUE;
-
- /* store relevant info to client context (direct pointer, index) */
- ctx->radio = handle->radios[idx];
- ctx->idx = idx;
-
- return 1;
-}
-
-/* free a radio device from requesting client, power it off */
-unsigned char releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
-
- /* stop playing if it was doing this (blocks otherwise) */
- if (ctx->is_playing) {
- ctx->is_playing = 0;
- _radio_stop (ctx->idx);
- }
-
- /* power it off */
- _radio_off (ctx->idx);
-
- /* globally mark it as free */
- handle->radios[ctx->idx]->used = FALSE;
-
- /* clean client context */
- ctx->radio = NULL;
- ctx->idx = -1;
-
- return 1;
-}
-
-/* called when client session dies [e.g. client quits for more than 15mns] */
-static void freeRadio (void *context) {
-
- releaseRadio (the_radio, context);
- free (context);
-}
-
-
-/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-
-static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- json_object *jresp;
-
- /* create a global plugin handle */
- if (!the_radio)
- initRadioPlugin();
-
- /* create a private client context */
- if (!ctx) {
- ctx = initRadioCtx();
- afb_req_context_set (request, ctx, free);
- }
-
- jresp = json_object_new_object();
- json_object_object_add(jresp, "init", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Radio initialized");
-}
-
-static void power (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- pluginHandleT *handle = the_radio;
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- ctx->radio ?
- json_object_object_add (jresp, "power", json_object_new_string ("on"))
- : json_object_object_add (jresp, "power", json_object_new_string ("off"));
- afb_req_success (request, jresp, "Radio - Power status obtained");
- return;
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- if (!ctx->radio) {
- if (!reserveRadio (handle, ctx)) {
- afb_req_fail (request, "failed", "no more radio devices available");
- return;
- }
- }
- json_object_object_add (jresp, "power", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- if (ctx->radio) {
- if (!releaseRadio (handle, ctx)) {
- afb_req_fail (request, "failed", "Unable to release radio device");
- return;
- }
- }
- json_object_object_add (jresp, "power", json_object_new_string ("off"));
- }
- else
- jresp = NULL;
-
- afb_req_success (request, jresp, "Radio - Power set");
-}
-
-static void mode (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->mode ?
- json_object_object_add (jresp, "mode", json_object_new_string ("AM"))
- : json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
- }
-
- /* "?value=" parameter is "1" or "AM" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "AM") ) {
- ctx->mode = AM;
- _radio_set_mode (ctx->idx, ctx->mode);
- json_object_object_add (jresp, "mode", json_object_new_string ("AM"));
- }
-
- /* "?value=" parameter is "0" or "FM" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "FM") ) {
- ctx->mode = FM;
- _radio_set_mode (ctx->idx, ctx->mode);
- json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
- }
-
- afb_req_success (request, jresp, "Radio - Mode set");
-}
-
-static void freq (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
- double freq;
- char freq_str[256];
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
- json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
- }
-
- /* "?value=" parameter, set frequency */
- else {
- freq = strtod (value, NULL);
- _radio_set_freq (ctx->idx, freq);
- ctx->freq = (float)freq;
-
- snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
- json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
- }
-
- afb_req_success (request, jresp, "Radio - Frequency Set");
-}
-
-static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp = json_object_new_object();
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->mute ?
- json_object_object_add (jresp, "mute", json_object_new_string ("on"))
- : json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- ctx->mute = 1;
- _radio_set_mute (ctx->idx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "off") ) {
- ctx->mute = 0;
- _radio_set_mute (ctx->idx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Radio - Mute set");
-}
-
-static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp = json_object_new_object();
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->is_playing ?
- json_object_object_add (jresp, "play", json_object_new_string ("on"))
- : json_object_object_add (jresp, "play", json_object_new_string ("off"));
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- /* radio playback */
- ctx->is_playing = 1;
- _radio_play (ctx->idx);
- json_object_object_add (jresp, "play", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- /* radio stop */
- ctx->is_playing = 0;
- _radio_stop (ctx->idx);
- json_object_object_add (jresp, "play", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Radio - Play succeeded");
-}
-
-static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
- afb_req_success (request, NULL, "Radio - Ping succeeded");
-}
-
-
-static const struct afb_verb_desc_v1 verbs[] = {
- {"init" , AFB_SESSION_CHECK, init , "Radio API - init"},
- {"power" , AFB_SESSION_CHECK, power , "Radio API - power"},
- {"mode" , AFB_SESSION_CHECK, mode , "Radio API - mode"},
- {"freq" , AFB_SESSION_CHECK, freq , "Radio API - freq"},
- {"mute" , AFB_SESSION_CHECK, mute , "Radio API - mute"},
- {"play" , AFB_SESSION_CHECK, play , "Radio API - play"},
- {"ping" , AFB_SESSION_NONE, ping , "Radio API - ping"},
- {NULL}
-};
-
-static const struct afb_binding pluginDesc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "Application Framework Binder - Radio plugin",
- .prefix = "radio",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
-{
- return &pluginDesc;
-}
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef RADIO_API_H
-#define RADIO_API_H
-
-/* -------------- PLUGIN DEFINITIONS ----------------- */
-
-#define MAX_RADIO 10
-typedef enum { FM, AM } Mode;
-
-/* structure holding one radio device with current usage status */
-typedef struct {
- int idx;
- char *name;
- int used;
-} radioDevT;
-
-/* global plugin handle, should store everything we may need */
-typedef struct {
- radioDevT *radios[MAX_RADIO]; // pointer to existing radio
- unsigned int devCount;
-} pluginHandleT;
-
-/* private client context [will be destroyed when client leaves] */
-typedef struct {
- radioDevT *radio; /* pointer to client radio */
- int idx; /* radio index within global array */
- Mode mode; /* radio mode: AM/FM */
- float freq; /* radio frequency (Mhz) */
- unsigned char mute; /* radio muted: 0(false)/1(true) */
- unsigned char is_playing; /* radio is playing: 0(false)/1(true) */
-} radioCtxHandleT;
-
-#endif /* RADIO_API_H */
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "radio-api.h"
-#include "radio-rtlsdr.h"
-
-static void* _dongle_thread_fn (void *);
-static void* _demod_thread_fn (void *);
-static void* _output_thread_fn (void *);
-
-static unsigned int init_dev_count = 0;
-static struct dev_ctx **dev_ctx = NULL;
-
-/* ------------- RADIO RTLSDR IMPLEMENTATION ---------------- */
-
-/* --- PUBLIC FUNCTIONS --- */
-
-/* Radio initialization should be done only when user start the radio and not at plugin initialization
- Making this call too early would impose to restart the binder to detect a radio */
-unsigned char _radio_on (unsigned int num, radioCtxHandleT *ctx) {
-
- if (num >= _radio_dev_count())
- return 0;
-
- if (init_dev_count < _radio_dev_count()) {
- init_dev_count = _radio_dev_count();
- dev_ctx = (dev_ctx_T**) realloc (dev_ctx, init_dev_count * sizeof(dev_ctx_T*));
- }
-
- dev_ctx[num] = (dev_ctx_T*) malloc (sizeof(dev_ctx_T));
- dev_ctx[num]->dev = NULL;
- dev_ctx[num]->mode = ctx->mode;
- dev_ctx[num]->freq = ctx->freq;
- dev_ctx[num]->mute = ctx->mute;
- dev_ctx[num]->should_run = 0;
- dev_ctx[num]->dongle = NULL;
- dev_ctx[num]->demod = NULL;
- dev_ctx[num]->output = NULL;
- _radio_dev_init (dev_ctx[num], num);
-
- return 1;
-}
-
-void _radio_off (unsigned int num) {
-
- if (num >= _radio_dev_count())
- return;
-
- if (dev_ctx[num]) {
- _radio_dev_free (dev_ctx[num]);
- free (dev_ctx[num]);
- }
-
- /* free(dev_ctx); */
-}
-
-void _radio_set_mode (unsigned int num, Mode mode) {
- if (!dev_ctx || !dev_ctx[num])
- return;
-
- dev_ctx[num]->mode = mode;
- _radio_apply_params (dev_ctx[num]);
-}
-
-void _radio_set_freq (unsigned int num, double freq) {
- if (!dev_ctx || !dev_ctx[num])
- return;
-
- dev_ctx[num]->freq = (float)freq;
- _radio_apply_params (dev_ctx[num]);
-}
-
-void _radio_set_mute (unsigned int num, unsigned char mute) {
- if (!dev_ctx || !dev_ctx[num])
- return;
-
- dev_ctx[num]->mute = mute;
- _radio_apply_params (dev_ctx[num]);
-}
-
-void _radio_play (unsigned int num) {
- if (!dev_ctx || !dev_ctx[num])
- return;
-
- _radio_start_threads (dev_ctx[num]);
-}
-
-void _radio_stop (unsigned int num) {
- if (!dev_ctx || !dev_ctx[num])
- return;
-
- _radio_stop_threads (dev_ctx[num]);
-}
-
-unsigned int _radio_dev_count () {
- return rtlsdr_get_device_count();
-}
-
-const char* _radio_dev_name (unsigned int num) {
- return rtlsdr_get_device_name (num);
-}
-
-
-/* --- LOCAL HELPER FUNCTIONS --- */
-
-unsigned char _radio_dev_init (dev_ctx_T *dev_ctx, unsigned int num) {
- rtlsdr_dev_t *dev = dev_ctx->dev;
-
- if (rtlsdr_open (&dev, num) < 0)
- return 0;
-
- rtlsdr_set_tuner_gain_mode (dev, 0);
-
- if (rtlsdr_reset_buffer (dev) < 0)
- return 0;
-
- dev_ctx->dev = dev;
-
- _radio_apply_params (dev_ctx);
-
- return 1;
-}
-
-unsigned char _radio_dev_free (dev_ctx_T *dev_ctx) {
- rtlsdr_dev_t *dev = dev_ctx->dev;
-
- if (rtlsdr_close (dev) < 0)
- return 0;
- dev = NULL;
-
- dev_ctx->dev = dev;
-
- return 1;
-}
-
-void _radio_apply_params (dev_ctx_T *dev_ctx) {
- rtlsdr_dev_t *dev = dev_ctx->dev;
- Mode mode = dev_ctx->mode;
- float freq = dev_ctx->freq;
- int rate;
-
- freq *= 1000000;
- rate = ((1000000 / 200000) + 1) * 200000;
-
- if (mode == FM)
- freq += 16000;
- freq += rate / 4;
-
- rtlsdr_set_center_freq (dev, freq);
- rtlsdr_set_sample_rate (dev, rate);
-
- dev_ctx->dev = dev;
-}
-
-void _radio_start_threads (dev_ctx_T *dev_ctx) {
- dev_ctx->dongle = (dongle_ctx*) malloc (sizeof(dongle_ctx));
- dev_ctx->demod = (demod_ctx*) malloc (sizeof(demod_ctx));
- dev_ctx->output = (output_ctx*) malloc (sizeof(output_ctx));
-
- dongle_ctx *dongle = dev_ctx->dongle;
- demod_ctx *demod = dev_ctx->demod;
- output_ctx *output = dev_ctx->output;
-
- pthread_rwlock_init (&demod->lck, NULL);
- pthread_cond_init (&demod->ok, NULL);
- pthread_mutex_init (&demod->ok_m, NULL);
- pthread_rwlock_init (&output->lck, NULL);
- pthread_cond_init (&output->ok, NULL);
- pthread_mutex_init (&output->ok_m, NULL);
-
- dev_ctx->should_run = 1;
-
- /* dongle thread */
- dongle->thr_finished = 0;
- pthread_create (&dongle->thr, NULL, _dongle_thread_fn, (void*)dev_ctx);
-
- /* demod thread */
- demod->pre_r = demod->pre_j = 0;
- demod->now_r = demod->now_j = 0;
- demod->index = demod->pre_index = demod->now_index = 0;
- demod->thr_finished = 0;
- pthread_create (&demod->thr, NULL, _demod_thread_fn, (void*)dev_ctx);
-
- /* output thread */
- output->thr_finished = 0;
- pthread_create (&output->thr, NULL, _output_thread_fn, (void*)dev_ctx);
-}
-
-void _radio_stop_threads (dev_ctx_T *dev_ctx) {
- rtlsdr_dev_t *dev = dev_ctx->dev;
- dongle_ctx *dongle = dev_ctx->dongle;
- demod_ctx *demod = dev_ctx->demod;
- output_ctx *output = dev_ctx->output;
-
- if (!dongle || !demod || !output)
- return;
-
- /* stop each "while" loop in threads */
- dev_ctx->should_run = 0;
-
- rtlsdr_cancel_async (dev);
- pthread_signal (&demod->ok, &demod->ok_m);
- pthread_signal (&output->ok, &output->ok_m);
-
- while (!dongle->thr_finished ||
- !demod->thr_finished ||
- !output->thr_finished)
- usleep (100000);
-
- pthread_join (dongle->thr, NULL);
- pthread_join (demod->thr, NULL);
- pthread_join (output->thr, NULL);
- pthread_rwlock_destroy (&demod->lck);
- pthread_cond_destroy (&demod->ok);
- pthread_mutex_destroy (&demod->ok_m);
- pthread_rwlock_destroy (&output->lck);
- pthread_cond_destroy (&output->ok);
- pthread_mutex_destroy (&output->ok_m);
-
- free (dongle); dev_ctx->dongle = NULL;
- free (demod); dev_ctx->demod = NULL;
- free (output); dev_ctx->output = NULL;
-}
-
- /* ---- LOCAL THREADED FUNCTIONS ---- */
-
-static void _rtlsdr_callback (unsigned char *buf, uint32_t len, void *ctx) {
- dev_ctx_T *dev_ctx = (dev_ctx_T *)ctx;
- dongle_ctx *dongle = dev_ctx->dongle;
- demod_ctx *demod = dev_ctx->demod;
- unsigned char tmp;
- int i;
-
- if (!dev_ctx->should_run)
- return;
-
- /* rotate 90° */
- for (i = 0; i < (int)len; i += 8) {
- tmp = 255 - buf[i+3];
- buf[i+3] = buf[i+2];
- buf[i+2] = tmp;
-
- buf[i+4] = 255 - buf[i+4];
- buf[i+5] = 255 - buf[i+5];
-
- tmp = 255 - buf[i+6];
- buf[i+6] = buf[i+7];
- buf[i+7] = tmp;
- }
-
- /* write data */
- for (i = 0; i < (int)len; i++)
- dongle->buf[i] = (int16_t)buf[i] - 127;
-
- /* lock demod thread, write to it, unlock */
- pthread_rwlock_wrlock (&demod->lck);
- memcpy (demod->buf, dongle->buf, 2 * len);
- demod->buf_len = len;
- pthread_rwlock_unlock (&demod->lck);
- pthread_signal (&demod->ok, &demod->ok_m);
-}
- /**/
-static void* _dongle_thread_fn (void *ctx) {
- dev_ctx_T *dev_ctx = (dev_ctx_T *)ctx;
- dongle_ctx *dongle = dev_ctx->dongle;
-
- rtlsdr_read_async (dev_ctx->dev, _rtlsdr_callback, dev_ctx, 0, 0);
-
- dongle->thr_finished = 1;
- return 0;
-}
-
-static void _lowpass_demod (void *ctx) {
- demod_ctx *demod = (demod_ctx *)ctx;
- int i=0, i2=0;
-
- while (i < demod->buf_len) {
- demod->now_r += demod->buf[i];
- demod->now_j += demod->buf[i+1];
- i += 2;
- demod->index++;
- if (demod->index < ((1000000 / 200000) + 1))
- continue;
- demod->buf[i2] = demod->now_r;
- demod->buf[i2+1] = demod->now_j;
- demod->index = 0;
- demod->now_r = demod->now_j = 0;
- i2 += 2;
- }
- demod->buf_len = i2;
-}
- /**/
-static void _lowpassreal_demod (void *ctx) {
- demod_ctx *demod = (demod_ctx *)ctx;
- int i=0, i2=0;
- int fast = 200000;
- int slow = 48000;
-
- while (i < demod->res_len) {
- demod->now_index += demod->res[i];
- i++;
- demod->pre_index += slow;
- if (demod->pre_index < fast)
- continue;
- demod->res[i2] = (int16_t)(demod->now_index / (fast/slow));
- demod->pre_index -= fast;
- demod->now_index = 0;
- i2 += 1;
- }
- demod->res_len = i2;
-}
- /**/
-static void _multiply (int ar, int aj, int br, int bj, int *cr, int *cj) {
- *cr = ar*br - aj*bj;
- *cj = aj*br + ar*bj;
-}
- /**/
-static int _polar_discriminant (int ar, int aj, int br, int bj) {
- int cr, cj;
- double angle;
- _multiply (ar, aj, br, -bj, &cr, &cj);
- angle = atan2 ((double)cj, (double)cr);
- return (int)(angle / 3.14159 * (1<<14));
-}
- /**/
-static void _fm_demod (void *ctx) {
- demod_ctx *demod = (demod_ctx *)ctx;
- int16_t *buf = demod->buf;
- int buf_len = demod->buf_len;
- int pcm, i;
-
- pcm = _polar_discriminant (buf[0], buf[1], demod->pre_r, demod->pre_j);
- demod->res[0] = (int16_t)pcm;
-
- for (i = 2; i < (buf_len-1); i += 2) {
- pcm = _polar_discriminant (buf[i], buf[i+1], buf[i-2], buf[i-1]);
- demod->res[i/2] = (int16_t)pcm;
- }
- demod->pre_r = buf[buf_len - 2];
- demod->pre_j = buf[buf_len - 1];
- demod->res_len = buf_len/2;
-}
- /**/
-static void _am_demod (void *ctx) {
- demod_ctx *demod = (demod_ctx *)ctx;
- int16_t *buf = demod->buf;
- int buf_len = demod->buf_len;
- int pcm, i;
-
- for (i = 0; i < buf_len; i += 2) {
- pcm = buf[i] * buf[i];
- pcm += buf[i+1] * buf[i+1];
- demod->res[i/2] = (int16_t)sqrt(pcm);
- }
- demod->res_len = buf_len/2;
-}
- /**/
-static void* _demod_thread_fn (void *ctx) {
- dev_ctx_T *dev_ctx = (dev_ctx_T *)ctx;
- demod_ctx *demod = dev_ctx->demod;
- output_ctx *output = dev_ctx->output;
-
- while(dev_ctx->should_run) {
- pthread_wait (&demod->ok, &demod->ok_m);
- pthread_rwlock_wrlock (&demod->lck);
- _lowpass_demod (demod);
- if (dev_ctx->mode == FM)
- _fm_demod (demod);
- else
- _am_demod (demod);
- _lowpassreal_demod (demod);
- pthread_rwlock_unlock (&demod->lck);
-
- /* lock demod thread, write to it, unlock */
- pthread_rwlock_wrlock (&output->lck);
- memcpy (output->buf, demod->res, 2 * demod->res_len);
- output->buf_len = demod->res_len;
- pthread_rwlock_unlock (&output->lck);
- pthread_signal (&output->ok, &output->ok_m);
- }
-
- demod->thr_finished = 1;
- return 0;
-}
-
-static void* _output_thread_fn (void *ctx) {
- dev_ctx_T *dev_ctx = (dev_ctx_T *)ctx;
- output_ctx *output = dev_ctx->output;
- FILE *file;
-
- file = fopen (AUDIO_BUFFER, "wb");
-
- while (dev_ctx->should_run) {
- pthread_wait (&output->ok, &output->ok_m);
- pthread_rwlock_rdlock (&output->lck);
- if (!dev_ctx->mute && file) {
- fwrite (output->buf, 2, output->buf_len, file);
- fflush (file);
- fseek (file, 0, SEEK_SET);
- }
- pthread_rwlock_unlock (&output->lck);
- }
- if (file) fclose(file);
- unlink (AUDIO_BUFFER);
-
- output->thr_finished = 1;
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef RADIO_RTLSDR_H
-#define RADIO_RTLSDR_H
-
-/* -------------- RADIO RTLSDR DEFINITIONS ------------------ */
-
-#include <math.h>
-#include <pthread.h>
-#include <rtl-sdr.h>
-
-#include "radio-api.h"
-
-#define pthread_signal(n, m) pthread_mutex_lock(m); pthread_cond_signal(n); pthread_mutex_unlock(m)
-#define pthread_wait(n, m) pthread_mutex_lock(m); pthread_cond_wait(n, m); pthread_mutex_unlock(m)
-#define BUF_LEN 16*16384
-#define AUDIO_BUFFER "/tmp/audio_buf"
-
-typedef struct dongle_ctx dongle_ctx;
-typedef struct demod_ctx demod_ctx;
-typedef struct output_ctx output_ctx;
-typedef struct dev_ctx dev_ctx_T;
-
-struct dongle_ctx {
- pthread_t thr;
- unsigned char thr_finished;
- uint16_t buf[BUF_LEN];
- uint32_t buf_len;
-};
-
-struct demod_ctx {
- pthread_t thr;
- unsigned char thr_finished;
- pthread_rwlock_t lck;
- pthread_cond_t ok;
- pthread_mutex_t ok_m;
- int pre_r, pre_j, now_r, now_j, index;
- int pre_index, now_index;
- int16_t buf[BUF_LEN];
- int buf_len;
- int16_t res[BUF_LEN];
- int res_len;
-};
-
-struct output_ctx {
- pthread_t thr;
- unsigned char thr_finished;
- pthread_rwlock_t lck;
- pthread_cond_t ok;
- pthread_mutex_t ok_m;
- int16_t buf[BUF_LEN];
- int buf_len;
-};
-
-struct dev_ctx {
- int used; /* TODO: radio is free ??? */
- rtlsdr_dev_t* dev;
- Mode mode;
- float freq;
- unsigned char mute;
- unsigned char should_run;
- /* thread contexts */
- dongle_ctx *dongle;
- demod_ctx *demod;
- output_ctx *output;
-};
-
-unsigned int _radio_dev_count (void);
-const char* _radio_dev_name (unsigned int);
-
-unsigned char _radio_on (unsigned int, radioCtxHandleT *);
-void _radio_off (unsigned int);
-void _radio_stop (unsigned int);
-void _radio_play (unsigned int);
-void _radio_set_mode (unsigned int, Mode);
-void _radio_set_freq (unsigned int, double);
-void _radio_set_mute (unsigned int, unsigned char);
-
-unsigned char _radio_dev_init (struct dev_ctx *, unsigned int);
-unsigned char _radio_dev_free (struct dev_ctx *);
-void _radio_apply_params (struct dev_ctx *);
-void _radio_start_threads (struct dev_ctx *);
-void _radio_stop_threads (struct dev_ctx *);
-
-#endif /* RADIO_RTLSDR_H */
Code Review / src / app-framework-binder.git / commitdiff