X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=plugins%2Faudio%2Faudio-alsa.c;h=afbff421e308bbb418e85b39cd45ed8bb8f70a36;hb=93daafca4d0419707cdcde181180a689a7fccbfb;hp=8e56e52d20db6aefa7ebf11b8ba64b34f1e2051c;hpb=5bad34ac9278831eb65499c8aa887116aafa33b2;p=src%2Fapp-framework-binder.git diff --git a/plugins/audio/audio-alsa.c b/plugins/audio/audio-alsa.c index 8e56e52d..afbff421 100644 --- a/plugins/audio/audio-alsa.c +++ b/plugins/audio/audio-alsa.c @@ -19,6 +19,17 @@ #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 +}; + PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) { snd_pcm_t *dev; @@ -26,9 +37,10 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) { 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; + int num, i; if (snd_pcm_open (&dev, name, SND_PCM_STREAM_PLAYBACK, 0) < 0) return 0; @@ -58,6 +70,8 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) { 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; @@ -65,9 +79,15 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) { 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), "Master") || - strstr (snd_mixer_selem_id_get_name (mixer_sid), "Playback")) + 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; + } } } @@ -99,13 +119,15 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) { dev_ctx[num]->dev = dev; dev_ctx[num]->params = params; dev_ctx[num]->mixer_elm = mixer_elm; + dev_ctx[num]->mixer_elm_m = mixer_elm_m; dev_ctx[num]->vol_max = vol_max; dev_ctx[num]->vol = vol; dev_ctx[num]->thr_should_run = 0; dev_ctx[num]->thr_finished = 0; /* make the client context aware of current card state */ - ctx->volume = _alsa_get_volume (num); + for (i = 0; i < 8; i++) + ctx->volume[i] = _alsa_get_volume (num, i); ctx->mute = _alsa_get_mute (num); ctx->idx = num; @@ -155,47 +177,72 @@ PUBLIC void _alsa_stop (unsigned int num) { pthread_join(dev_ctx[num]->thr, NULL); } -PUBLIC unsigned int _alsa_get_volume (unsigned int num) { +PUBLIC int _alsa_get_volume (unsigned int num, unsigned int channel) { if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm) return; - snd_mixer_selem_get_playback_volume (dev_ctx[num]->mixer_elm, SND_MIXER_SCHN_FRONT_LEFT, &dev_ctx[num]->vol); + snd_mixer_selem_get_playback_volume (dev_ctx[num]->mixer_elm, SCHANNELS[channel], &dev_ctx[num]->vol); - return (unsigned int)(dev_ctx[num]->vol*100)/dev_ctx[num]->vol_max; + return (int)(dev_ctx[num]->vol*100)/dev_ctx[num]->vol_max; } -PUBLIC unsigned int _alsa_set_volume (unsigned int num, unsigned int vol) { +PUBLIC void _alsa_set_volume (unsigned int num, unsigned int channel, int vol) { - if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm || vol > 100) + if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm || + 0 > vol > 100) return; - snd_mixer_selem_set_playback_volume_all (dev_ctx[num]->mixer_elm, (vol*dev_ctx[num]->vol_max)/100); + snd_mixer_selem_set_playback_volume (dev_ctx[num]->mixer_elm, SCHANNELS[channel], (vol*dev_ctx[num]->vol_max)/100); + +} + +PUBLIC void _alsa_set_volume_all (unsigned int num, int vol) { + + if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm || + 0 > vol > 100) + + snd_mixer_selem_set_playback_volume_all (dev_ctx[num]->mixer_elm, (vol*dev_ctx[num]->vol_max)/100); } PUBLIC unsigned char _alsa_get_mute (unsigned int num) { int mute = 0; + snd_mixer_elem_t *elm_m; if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm) return; - if (snd_mixer_selem_has_playback_switch (dev_ctx[num]->mixer_elm)) { - snd_mixer_selem_get_playback_switch (dev_ctx[num]->mixer_elm, SND_MIXER_SCHN_FRONT_LEFT, &mute); - snd_mixer_selem_get_playback_switch (dev_ctx[num]->mixer_elm, SND_MIXER_SCHN_FRONT_RIGHT, &mute); + dev_ctx[num]->mixer_elm_m ? (elm_m = dev_ctx[num]->mixer_elm_m) : + (elm_m = dev_ctx[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); } - return (unsigned char)!mute; + if (dev_ctx[num]->mixer_elm_m) + return (unsigned char)mute; + else + return (unsigned char)!mute; } PUBLIC void _alsa_set_mute (unsigned int num, unsigned char mute) { + snd_mixer_elem_t *elm_m; + if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm || 1 < mute < 0) return; - if (snd_mixer_selem_has_playback_switch (dev_ctx[num]->mixer_elm)) - snd_mixer_selem_set_playback_switch_all (dev_ctx[num]->mixer_elm, !mute); + if (dev_ctx[num]->mixer_elm_m) { + elm_m = dev_ctx[num]->mixer_elm_m; + mute = !mute; + } else { + elm_m = dev_ctx[num]->mixer_elm; + } + + if (snd_mixer_selem_has_playback_switch (elm_m)) + snd_mixer_selem_set_playback_switch_all (elm_m, !mute); } PUBLIC void _alsa_set_rate (unsigned int num, unsigned int rate) {