--- /dev/null
+From 7757059ffc6e63ea20ba9013682d72d619e7aefc Mon Sep 17 00:00:00 2001
+From: Sangchul Lee <sangchul1011@gmail.com>
+Date: Sat, 27 Aug 2016 21:33:16 +0900
+Subject: [PATCH 2/6] volume ramp: additions to the low level infra
+
+The original patch is
+ - https://review.tizen.org/git/?p=platform/upstream/pulseaudio.git;a=commit;h=df1c4275ed79e0b708c75b92f9d247e0492bc1f0
+ - by Jaska Uimonen <jaska.uimonen <at> helsinki.fi>
+
+Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>
+---
+ src/map-file | 4 +
+ src/pulse/def.h | 13 ++-
+ src/pulse/volume.c | 74 ++++++++++++-
+ src/pulse/volume.h | 33 ++++++
+ src/pulsecore/mix.c | 310 ++++++++++++++++++++++++++++++++++++++++++++++++++++
+ src/pulsecore/mix.h | 27 +++++
+ 6 files changed, 459 insertions(+), 2 deletions(-)
+
+diff --git a/src/map-file b/src/map-file
+index 93a62b8..ef9b57d 100644
+--- a/src/map-file
++++ b/src/map-file
+@@ -138,6 +138,10 @@ pa_cvolume_max_mask;
+ pa_cvolume_merge;
+ pa_cvolume_min;
+ pa_cvolume_min_mask;
++pa_cvolume_ramp_equal;
++pa_cvolume_ramp_init;
++pa_cvolume_ramp_set;
++pa_cvolume_ramp_channel_ramp_set;
+ pa_cvolume_remap;
+ pa_cvolume_scale;
+ pa_cvolume_scale_mask;
+diff --git a/src/pulse/def.h b/src/pulse/def.h
+index 680bdc9..bc3cedd 100644
+--- a/src/pulse/def.h
++++ b/src/pulse/def.h
+@@ -347,11 +347,15 @@ typedef enum pa_stream_flags {
+ * consider absolute when the sink is in flat volume mode,
+ * relative otherwise. \since 0.9.20 */
+
+- PA_STREAM_PASSTHROUGH = 0x80000U
++ PA_STREAM_PASSTHROUGH = 0x80000U,
+ /**< Used to tag content that will be rendered by passthrough sinks.
+ * The data will be left as is and not reformatted, resampled.
+ * \since 1.0 */
+
++ PA_STREAM_START_RAMP_MUTED = 0x100000U
++ /**< Used to tag content that the stream will be started ramp volume
++ * muted so that you can nicely fade it in */
++
+ } pa_stream_flags_t;
+
+ /** \cond fulldocs */
+@@ -380,6 +384,7 @@ typedef enum pa_stream_flags {
+ #define PA_STREAM_FAIL_ON_SUSPEND PA_STREAM_FAIL_ON_SUSPEND
+ #define PA_STREAM_RELATIVE_VOLUME PA_STREAM_RELATIVE_VOLUME
+ #define PA_STREAM_PASSTHROUGH PA_STREAM_PASSTHROUGH
++#define PA_STREAM_START_RAMP_MUTED PA_STREAM_START_RAMP_MUTED
+
+ /** \endcond */
+
+@@ -1047,6 +1052,12 @@ typedef enum pa_port_available {
+ /** \endcond */
+ #endif
+
++/** \cond fulldocs */
++#define PA_VOLUMER_RAMP_TYPE_LINEAR PA_VOLUMER_RAMP_TYPE_LINEAR
++#define PA_VOLUMER_RAMP_TYPE_LOGARITHMIC PA_VOLUMER_RAMP_TYPE_LOGARITHMIC
++#define PA_VOLUMER_RAMP_TYPE_CUBIC PA_VOLUMER_RAMP_TYPE_CUBIC
++/** \endcond */
++
+ PA_C_DECL_END
+
+ #endif
+diff --git a/src/pulse/volume.c b/src/pulse/volume.c
+index 1667b94..85072c1 100644
+--- a/src/pulse/volume.c
++++ b/src/pulse/volume.c
+@@ -445,7 +445,10 @@ int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v) {
+ unsigned c;
+ pa_assert(a);
+
+- pa_return_val_if_fail(pa_cvolume_valid(a), 0);
++ if (pa_cvolume_valid(a) == 0)
++ abort();
++
++ /* pa_return_val_if_fail(pa_cvolume_valid(a), 0); */
+ pa_return_val_if_fail(PA_VOLUME_IS_VALID(v), 0);
+
+ for (c = 0; c < a->channels; c++)
+@@ -977,3 +980,72 @@ pa_cvolume* pa_cvolume_dec(pa_cvolume *v, pa_volume_t dec) {
+
+ return pa_cvolume_scale(v, m);
+ }
++
++int pa_cvolume_ramp_equal(const pa_cvolume_ramp *a, const pa_cvolume_ramp *b) {
++ int i;
++ pa_assert(a);
++ pa_assert(b);
++
++ if (PA_UNLIKELY(a == b))
++ return 1;
++
++ if (a->channels != b->channels)
++ return 0;
++
++ for (i = 0; i < a->channels; i++) {
++ if (a->ramps[i].type != b->ramps[i].type ||
++ a->ramps[i].length != b->ramps[i].length ||
++ a->ramps[i].target != b->ramps[i].target)
++ return 0;
++ }
++
++ return 1;
++}
++
++pa_cvolume_ramp* pa_cvolume_ramp_init(pa_cvolume_ramp *ramp) {
++ unsigned c;
++
++ pa_assert(ramp);
++
++ ramp->channels = 0;
++
++ for (c = 0; c < PA_CHANNELS_MAX; c++) {
++ ramp->ramps[c].type = PA_VOLUME_RAMP_TYPE_LINEAR;
++ ramp->ramps[c].length = 0;
++ ramp->ramps[c].target = PA_VOLUME_INVALID;
++ }
++
++ return ramp;
++}
++
++pa_cvolume_ramp* pa_cvolume_ramp_set(pa_cvolume_ramp *ramp, unsigned channels, pa_volume_ramp_type_t type, long time, pa_volume_t vol) {
++ int i;
++
++ pa_assert(ramp);
++ pa_assert(channels > 0);
++ pa_assert(time >= 0);
++ pa_assert(channels <= PA_CHANNELS_MAX);
++
++ ramp->channels = (uint8_t) channels;
++
++ for (i = 0; i < ramp->channels; i++) {
++ ramp->ramps[i].type = type;
++ ramp->ramps[i].length = time;
++ ramp->ramps[i].target = PA_CLAMP_VOLUME(vol);
++ }
++
++ return ramp;
++}
++
++pa_cvolume_ramp* pa_cvolume_ramp_channel_ramp_set(pa_cvolume_ramp *ramp, unsigned channel, pa_volume_ramp_type_t type, long time, pa_volume_t vol) {
++
++ pa_assert(ramp);
++ pa_assert(channel <= ramp->channels);
++ pa_assert(time >= 0);
++
++ ramp->ramps[channel].type = type;
++ ramp->ramps[channel].length = time;
++ ramp->ramps[channel].target = PA_CLAMP_VOLUME(vol);
++
++ return ramp;
++}
+diff --git a/src/pulse/volume.h b/src/pulse/volume.h
+index 8cf4fa4..2ae3451 100644
+--- a/src/pulse/volume.h
++++ b/src/pulse/volume.h
+@@ -431,6 +431,39 @@ pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc);
+ * the channels are kept. \since 0.9.16 */
+ pa_cvolume* pa_cvolume_dec(pa_cvolume *v, pa_volume_t dec);
+
++/** Volume ramp type
++*/
++typedef enum pa_volume_ramp_type {
++ PA_VOLUME_RAMP_TYPE_LINEAR = 0, /**< linear */
++ PA_VOLUME_RAMP_TYPE_LOGARITHMIC = 1, /**< logarithmic */
++ PA_VOLUME_RAMP_TYPE_CUBIC = 2,
++} pa_volume_ramp_type_t;
++
++/** A structure encapsulating a volume ramp */
++typedef struct pa_volume_ramp_t {
++ pa_volume_ramp_type_t type;
++ long length;
++ pa_volume_t target;
++} pa_volume_ramp_t;
++
++/** A structure encapsulating a multichannel volume ramp */
++typedef struct pa_cvolume_ramp {
++ uint8_t channels;
++ pa_volume_ramp_t ramps[PA_CHANNELS_MAX];
++} pa_cvolume_ramp;
++
++/** Return non-zero when *a == *b */
++int pa_cvolume_ramp_equal(const pa_cvolume_ramp *a, const pa_cvolume_ramp *b);
++
++/** Init volume ramp struct */
++pa_cvolume_ramp* pa_cvolume_ramp_init(pa_cvolume_ramp *ramp);
++
++/** Set first n channels of ramp struct to certain value */
++pa_cvolume_ramp* pa_cvolume_ramp_set(pa_cvolume_ramp *ramp, unsigned channel, pa_volume_ramp_type_t type, long time, pa_volume_t vol);
++
++/** Set individual channel in the channel struct */
++pa_cvolume_ramp* pa_cvolume_ramp_channel_ramp_set(pa_cvolume_ramp *ramp, unsigned channel, pa_volume_ramp_type_t type, long time, pa_volume_t vol);
++
+ PA_C_DECL_END
+
+ #endif
+diff --git a/src/pulsecore/mix.c b/src/pulsecore/mix.c
+index 59622d7..1e4cc1e 100644
+--- a/src/pulsecore/mix.c
++++ b/src/pulsecore/mix.c
+@@ -724,3 +724,313 @@ void pa_volume_memchunk(
+
+ pa_memblock_release(c->memblock);
+ }
++
++static void calc_linear_integer_volume_no_mapping(int32_t linear[], float volume[], unsigned nchannels) {
++ unsigned channel, padding;
++
++ pa_assert(linear);
++ pa_assert(volume);
++
++ for (channel = 0; channel < nchannels; channel++)
++ linear[channel] = (int32_t) lrint(volume[channel] * 0x10000U);
++
++ for (padding = 0; padding < VOLUME_PADDING; padding++, channel++)
++ linear[channel] = linear[padding];
++}
++
++static void calc_linear_float_volume_no_mapping(float linear[], float volume[], unsigned nchannels) {
++ unsigned channel, padding;
++
++ pa_assert(linear);
++ pa_assert(volume);
++
++ for (channel = 0; channel < nchannels; channel++)
++ linear[channel] = volume[channel];
++
++ for (padding = 0; padding < VOLUME_PADDING; padding++, channel++)
++ linear[channel] = linear[padding];
++}
++
++typedef void (*pa_calc_volume_no_mapping_func_t) (void *volumes, float *volume, int channels);
++
++static const pa_calc_volume_no_mapping_func_t calc_volume_table_no_mapping[] = {
++ [PA_SAMPLE_U8] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_ALAW] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_ULAW] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S16LE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S16BE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_FLOAT32LE] = (pa_calc_volume_no_mapping_func_t) calc_linear_float_volume_no_mapping,
++ [PA_SAMPLE_FLOAT32BE] = (pa_calc_volume_no_mapping_func_t) calc_linear_float_volume_no_mapping,
++ [PA_SAMPLE_S32LE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S32BE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S24LE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S24BE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S24_32LE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping,
++ [PA_SAMPLE_S24_32BE] = (pa_calc_volume_no_mapping_func_t) calc_linear_integer_volume_no_mapping
++};
++
++static const unsigned format_sample_size_table[] = {
++ [PA_SAMPLE_U8] = 1,
++ [PA_SAMPLE_ALAW] = 1,
++ [PA_SAMPLE_ULAW] = 1,
++ [PA_SAMPLE_S16LE] = 2,
++ [PA_SAMPLE_S16BE] = 2,
++ [PA_SAMPLE_FLOAT32LE] = 4,
++ [PA_SAMPLE_FLOAT32BE] = 4,
++ [PA_SAMPLE_S32LE] = 4,
++ [PA_SAMPLE_S32BE] = 4,
++ [PA_SAMPLE_S24LE] = 3,
++ [PA_SAMPLE_S24BE] = 3,
++ [PA_SAMPLE_S24_32LE] = 4,
++ [PA_SAMPLE_S24_32BE] = 4
++};
++
++static float calc_volume_ramp_linear(pa_volume_ramp_int_t *ramp) {
++ pa_assert(ramp);
++ pa_assert(ramp->length > 0);
++
++ /* basic linear interpolation */
++ return ramp->start + (ramp->length - ramp->left) * (ramp->end - ramp->start) / (float) ramp->length;
++}
++
++static float calc_volume_ramp_logarithmic(pa_volume_ramp_int_t *ramp) {
++ float x_val, s, e;
++ long temp;
++
++ pa_assert(ramp);
++ pa_assert(ramp->length > 0);
++
++ if (ramp->end > ramp->start) {
++ temp = ramp->left;
++ s = ramp->end;
++ e = ramp->start;
++ } else {
++ temp = ramp->length - ramp->left;
++ s = ramp->start;
++ e = ramp->end;
++ }
++
++ x_val = temp == 0 ? 0.0 : powf(temp, 10);
++
++ /* base 10 logarithmic interpolation */
++ return s + x_val * (e - s) / powf(ramp->length, 10);
++}
++
++static float calc_volume_ramp_cubic(pa_volume_ramp_int_t *ramp) {
++ float x_val, s, e;
++ long temp;
++
++ pa_assert(ramp);
++ pa_assert(ramp->length > 0);
++
++ if (ramp->end > ramp->start) {
++ temp = ramp->left;
++ s = ramp->end;
++ e = ramp->start;
++ } else {
++ temp = ramp->length - ramp->left;
++ s = ramp->start;
++ e = ramp->end;
++ }
++
++ x_val = temp == 0 ? 0.0 : cbrtf(temp);
++
++ /* cubic interpolation */
++ return s + x_val * (e - s) / cbrtf(ramp->length);
++}
++
++typedef float (*pa_calc_volume_ramp_func_t) (pa_volume_ramp_int_t *);
++
++static const pa_calc_volume_ramp_func_t calc_volume_ramp_table[] = {
++ [PA_VOLUME_RAMP_TYPE_LINEAR] = (pa_calc_volume_ramp_func_t) calc_volume_ramp_linear,
++ [PA_VOLUME_RAMP_TYPE_LOGARITHMIC] = (pa_calc_volume_ramp_func_t) calc_volume_ramp_logarithmic,
++ [PA_VOLUME_RAMP_TYPE_CUBIC] = (pa_calc_volume_ramp_func_t) calc_volume_ramp_cubic
++};
++
++static void calc_volume_ramps(pa_cvolume_ramp_int *ram, float *vol)
++{
++ int i;
++
++ for (i = 0; i < ram->channels; i++) {
++ if (ram->ramps[i].left <= 0) {
++ if (ram->ramps[i].target == PA_VOLUME_NORM) {
++ vol[i] = 1.0;
++ }
++ } else {
++ vol[i] = ram->ramps[i].curr = calc_volume_ramp_table[ram->ramps[i].type] (&ram->ramps[i]);
++ ram->ramps[i].left--;
++ }
++ }
++}
++
++void pa_volume_ramp_memchunk(
++ pa_memchunk *c,
++ const pa_sample_spec *spec,
++ pa_cvolume_ramp_int *ramp) {
++
++ void *ptr;
++ volume_val linear[PA_CHANNELS_MAX + VOLUME_PADDING];
++ float vol[PA_CHANNELS_MAX + VOLUME_PADDING];
++ pa_do_volume_func_t do_volume;
++ long length_in_frames;
++ int i;
++
++ pa_assert(c);
++ pa_assert(spec);
++ pa_assert(pa_frame_aligned(c->length, spec));
++ pa_assert(ramp);
++
++ length_in_frames = c->length / format_sample_size_table[spec->format] / spec->channels;
++
++ if (pa_memblock_is_silence(c->memblock)) {
++ for (i = 0; i < ramp->channels; i++) {
++ if (ramp->ramps[i].length > 0)
++ ramp->ramps[i].length -= length_in_frames;
++ }
++ return;
++ }
++
++ if (spec->format < 0 || spec->format >= PA_SAMPLE_MAX) {
++ pa_log_warn("Unable to change volume of format");
++ return;
++ }
++
++ do_volume = pa_get_volume_func(spec->format);
++ pa_assert(do_volume);
++
++ ptr = (uint8_t*) pa_memblock_acquire(c->memblock) + c->index;
++
++ for (i = 0; i < length_in_frames; i++) {
++ calc_volume_ramps(ramp, vol);
++ calc_volume_table_no_mapping[spec->format] ((void *)linear, vol, spec->channels);
++
++ /* we only process one frame per iteration */
++ do_volume (ptr, (void *)linear, spec->channels, format_sample_size_table[spec->format] * spec->channels);
++
++ /* pa_log_debug("1: %d 2: %d", linear[0], linear[1]); */
++
++ ptr = (uint8_t*)ptr + format_sample_size_table[spec->format] * spec->channels;
++ }
++
++ pa_memblock_release(c->memblock);
++}
++
++pa_cvolume_ramp_int* pa_cvolume_ramp_convert(const pa_cvolume_ramp *src, pa_cvolume_ramp_int *dst, int sample_rate) {
++
++ int i, j, channels, remaining_channels;
++ float temp;
++
++ if (dst->channels < src->channels) {
++ channels = dst->channels;
++ remaining_channels = 0;
++ }
++ else {
++ channels = src->channels;
++ remaining_channels = dst->channels;
++ }
++
++ for (i = 0; i < channels; i++) {
++ dst->ramps[i].type = src->ramps[i].type;
++ /* ms to samples */
++ dst->ramps[i].length = src->ramps[i].length * sample_rate / 1000;
++ dst->ramps[i].left = dst->ramps[i].length;
++ dst->ramps[i].start = dst->ramps[i].end;
++ dst->ramps[i].target = src->ramps[i].target;
++ /* scale to pulse internal mapping so that when ramp is over there's no glitch in volume */
++ temp = src->ramps[i].target / (float)0x10000U;
++ dst->ramps[i].end = temp * temp * temp;
++ }
++
++ j = i;
++
++ for (i--; j < remaining_channels; j++) {
++ dst->ramps[j].type = dst->ramps[i].type;
++ dst->ramps[j].length = dst->ramps[i].length;
++ dst->ramps[j].left = dst->ramps[i].left;
++ dst->ramps[j].start = dst->ramps[i].start;
++ dst->ramps[j].target = dst->ramps[i].target;
++ dst->ramps[j].end = dst->ramps[i].end;
++ }
++
++ return dst;
++}
++
++bool pa_cvolume_ramp_active(pa_cvolume_ramp_int *ramp) {
++ int i;
++
++ for (i = 0; i < ramp->channels; i++) {
++ if (ramp->ramps[i].left > 0)
++ return true;
++ }
++
++ return false;
++}
++
++bool pa_cvolume_ramp_target_active(pa_cvolume_ramp_int *ramp) {
++ int i;
++
++ for (i = 0; i < ramp->channels; i++) {
++ if (ramp->ramps[i].target != PA_VOLUME_NORM)
++ return true;
++ }
++
++ return false;
++}
++
++pa_cvolume * pa_cvolume_ramp_get_targets(pa_cvolume_ramp_int *ramp, pa_cvolume *volume) {
++ int i = 0;
++
++ volume->channels = ramp->channels;
++
++ for (i = 0; i < ramp->channels; i++)
++ volume->values[i] = ramp->ramps[i].target;
++
++ return volume;
++}
++
++pa_cvolume_ramp_int* pa_cvolume_ramp_start_from(pa_cvolume_ramp_int *src, pa_cvolume_ramp_int *dst) {
++ int i;
++
++ for (i = 0; i < src->channels; i++) {
++ /* if new vols are invalid, copy old ramp i.e. no effect */
++ if (dst->ramps[i].target == PA_VOLUME_INVALID)
++ dst->ramps[i] = src->ramps[i];
++ /* if there's some old ramp still left */
++ else if (src->ramps[i].left > 0)
++ dst->ramps[i].start = src->ramps[i].curr;
++ }
++
++ return dst;
++}
++
++pa_cvolume_ramp_int* pa_cvolume_ramp_int_init(pa_cvolume_ramp_int *src, pa_volume_t vol, int channels) {
++ int i;
++ float temp;
++
++ src->channels = channels;
++
++ for (i = 0; i < channels; i++) {
++ src->ramps[i].type = PA_VOLUME_RAMP_TYPE_LINEAR;
++ src->ramps[i].length = 0;
++ src->ramps[i].left = 0;
++ if (vol == PA_VOLUME_NORM) {
++ src->ramps[i].start = 1.0;
++ src->ramps[i].end = 1.0;
++ src->ramps[i].curr = 1.0;
++ }
++ else if (vol == PA_VOLUME_MUTED) {
++ src->ramps[i].start = 0.0;
++ src->ramps[i].end = 0.0;
++ src->ramps[i].curr = 0.0;
++ }
++ else {
++ temp = vol / (float)0x10000U;
++ src->ramps[i].start = temp * temp * temp;
++ src->ramps[i].end = src->ramps[i].start;
++ src->ramps[i].curr = src->ramps[i].start;
++ }
++ src->ramps[i].target = vol;
++ }
++
++ return src;
++}
+diff --git a/src/pulsecore/mix.h b/src/pulsecore/mix.h
+index 8102bcd..0f86b6f 100644
+--- a/src/pulsecore/mix.h
++++ b/src/pulsecore/mix.h
+@@ -59,4 +59,31 @@ void pa_volume_memchunk(
+ const pa_sample_spec *spec,
+ const pa_cvolume *volume);
+
++typedef struct pa_volume_ramp_int_t {
++ pa_volume_ramp_type_t type;
++ long length;
++ long left;
++ float start;
++ float end;
++ float curr;
++ pa_volume_t target;
++} pa_volume_ramp_int_t;
++
++typedef struct pa_cvolume_ramp_int {
++ uint8_t channels;
++ pa_volume_ramp_int_t ramps[PA_CHANNELS_MAX];
++} pa_cvolume_ramp_int;
++
++pa_cvolume_ramp_int* pa_cvolume_ramp_convert(const pa_cvolume_ramp *src, pa_cvolume_ramp_int *dst, int sample_rate);
++bool pa_cvolume_ramp_active(pa_cvolume_ramp_int *ramp);
++bool pa_cvolume_ramp_target_active(pa_cvolume_ramp_int *ramp);
++pa_cvolume_ramp_int* pa_cvolume_ramp_start_from(pa_cvolume_ramp_int *src, pa_cvolume_ramp_int *dst);
++pa_cvolume_ramp_int* pa_cvolume_ramp_int_init(pa_cvolume_ramp_int *src, pa_volume_t vol, int channels);
++pa_cvolume * pa_cvolume_ramp_get_targets(pa_cvolume_ramp_int *ramp, pa_cvolume *volume);
++
++void pa_volume_ramp_memchunk(
++ pa_memchunk *c,
++ const pa_sample_spec *spec,
++ pa_cvolume_ramp_int *ramp);
++
+ #endif
+--
+1.9.1
+
Code Review / AGL / meta-agl.git / blobdiff