Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

avfilter/af_silenceremove: add support for more sample formats

Browse Source
pull/360/head
Paul B Mahol 3 years ago
parent 6f0f7bc7fe
commit d08deb11d2
1 changed files with 365 additions and 98 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 461
      libavfilter/af_silenceremove.c

461
libavfilter/af_silenceremove.c
Unescape View File

@ -69,16 +69,16 @@ typedef struct SilenceRemoveContext {
int64_t stop_silence_opt;
int stop_mode;
double *start_holdoff;
double *start_silence_hold;
AVFrame *start_holdoff;
AVFrame *start_silence_hold;
size_t start_holdoff_offset;
size_t start_holdoff_end;
size_t start_silence_offset;
size_t start_silence_end;
int start_found_periods;
double *stop_holdoff;
double *stop_silence_hold;
AVFrame *stop_holdoff;
AVFrame *stop_silence_hold;
size_t stop_holdoff_offset;
size_t stop_holdoff_end;
size_t stop_silence_offset;
@ -96,8 +96,10 @@ typedef struct SilenceRemoveContext {
int64_t next_pts;
int detection;
void (*update)(struct SilenceRemoveContext *s, double sample);
double(*compute)(struct SilenceRemoveContext *s, double sample);
void (*update)(struct SilenceRemoveContext *s, AVFrame *frame, int ch, int offset);
double (*compute)(struct SilenceRemoveContext *s, AVFrame *frame, int ch, int offset);
void (*copy)(struct SilenceRemoveContext *s, AVFrame *out, AVFrame *in,
int ch, int out_offset, int in_offset);
} SilenceRemoveContext;
#define OFFSET(x) offsetof(SilenceRemoveContext, x)
@ -125,8 +127,158 @@ static const AVOption silenceremove_options[] = {
AVFILTER_DEFINE_CLASS(silenceremove);
static double compute_peak(SilenceRemoveContext *s, double sample)
static void copy_double(SilenceRemoveContext *s, AVFrame *out, AVFrame *in,
int ch, int out_offset, int in_offset)
{
const double *srcp = (const double *)in->data[0];
const double src = srcp[in->channels * in_offset + ch];
double *dstp = (double *)out->data[0];
dstp[out->channels * out_offset + ch] = src;
}
static void copy_doublep(SilenceRemoveContext *s, AVFrame *out, AVFrame *in,
int ch, int out_offset, int in_offset)
{
const double *srcp = (const double *)in->data[ch];
const double src = srcp[in_offset];
double *dstp = (double *)out->data[ch];
dstp[out_offset] = src;
}
static void copy_float(SilenceRemoveContext *s, AVFrame *out, AVFrame *in,
int ch, int out_offset, int in_offset)
{
const float *srcp = (const float *)in->data[0];
const float src = srcp[in->channels * in_offset + ch];
float *dstp = (float *)out->data[0];
dstp[out->channels * out_offset + ch] = src;
}
static void copy_floatp(SilenceRemoveContext *s, AVFrame *out, AVFrame *in,
int ch, int out_offset, int in_offset)
{
const float *srcp = (const float *)in->data[ch];
const float src = srcp[in_offset];
float *dstp = (float *)out->data[ch];
dstp[out_offset] = src;
}
static double compute_peak_double(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[0];
double sample = samples[frame->channels * offset + ch];
double new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += fabs(sample);
return new_sum / s->window_size;
}
static void update_peak_double(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[0];
double sample = samples[frame->channels * offset + ch];
s->sum -= *s->window_current;
*s->window_current = fabs(sample);
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_peak_float(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[0];
float sample = samples[frame->channels * offset + ch];
float new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += fabs(sample);
return new_sum / s->window_size;
}
static void update_peak_float(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[0];
float sample = samples[frame->channels * offset + ch];
s->sum -= *s->window_current;
*s->window_current = fabs(sample);
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_rms_double(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[0];
double sample = samples[frame->channels * offset + ch];
double new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += sample * sample;
return sqrt(new_sum / s->window_size);
}
static void update_rms_double(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[0];
double sample = samples[frame->channels * offset + ch];
s->sum -= *s->window_current;
*s->window_current = sample * sample;
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_rms_float(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[0];
float sample = samples[frame->channels * offset + ch];
float new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += sample * sample;
return sqrtf(new_sum / s->window_size);
}
static void update_rms_float(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[0];
float sample = samples[frame->channels * offset + ch];
s->sum -= *s->window_current;
*s->window_current = sample * sample;
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_peak_doublep(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[ch];
double sample = samples[offset];
double new_sum;
new_sum = s->sum;
@ -136,8 +288,38 @@ static double compute_peak(SilenceRemoveContext *s, double sample)
return new_sum / s->window_size;
}
static void update_peak(SilenceRemoveContext *s, double sample)
static void update_peak_doublep(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[ch];
double sample = samples[offset];
s->sum -= *s->window_current;
*s->window_current = fabs(sample);
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_peak_floatp(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[ch];
float sample = samples[offset];
float new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += fabs(sample);
return new_sum / s->window_size;
}
static void update_peak_floatp(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[ch];
float sample = samples[offset];
s->sum -= *s->window_current;
*s->window_current = fabs(sample);
s->sum += *s->window_current;
@ -147,8 +329,10 @@ static void update_peak(SilenceRemoveContext *s, double sample)
s->window_current = s->window;
}
static double compute_rms(SilenceRemoveContext *s, double sample)
static double compute_rms_doublep(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[ch];
double sample = samples[offset];
double new_sum;
new_sum = s->sum;
@ -158,8 +342,38 @@ static double compute_rms(SilenceRemoveContext *s, double sample)
return sqrt(new_sum / s->window_size);
}
static void update_rms(SilenceRemoveContext *s, double sample)
static void update_rms_doublep(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const double *samples = (const double *)frame->data[ch];
double sample = samples[offset];
s->sum -= *s->window_current;
*s->window_current = sample * sample;
s->sum += *s->window_current;
s->window_current++;
if (s->window_current >= s->window_end)
s->window_current = s->window;
}
static double compute_rms_floatp(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[ch];
float sample = samples[offset];
float new_sum;
new_sum = s->sum;
new_sum -= *s->window_current;
new_sum += sample * sample;
return sqrtf(new_sum / s->window_size);
}
static void update_rms_floatp(SilenceRemoveContext *s, AVFrame *frame, int ch, int offset)
{
const float *samples = (const float *)frame->data[ch];
float sample = samples[offset];
s->sum -= *s->window_current;
*s->window_current = sample * sample;
s->sum += *s->window_current;
@ -178,17 +392,6 @@ static av_cold int init(AVFilterContext *ctx)
s->restart = 1;
}
switch (s->detection) {
case D_PEAK:
s->update = update_peak;
s->compute = compute_peak;
break;
case D_RMS:
s->update = update_rms;
s->compute = compute_rms;
break;
}
return 0;
}
@ -223,15 +426,13 @@ static int config_input(AVFilterLink *inlink)
s->stop_silence = av_rescale(s->stop_silence_opt, inlink->sample_rate,
AV_TIME_BASE);
s->start_holdoff = av_malloc_array(FFMAX(s->start_duration, 1),
sizeof(*s->start_holdoff) *
inlink->channels);
s->start_holdoff = ff_get_audio_buffer(ctx->outputs[0],
FFMAX(s->start_duration, 1));
if (!s->start_holdoff)
return AVERROR(ENOMEM);
s->start_silence_hold = av_malloc_array(FFMAX(s->start_silence, 1),
sizeof(*s->start_silence_hold) *
inlink->channels);
s->start_silence_hold = ff_get_audio_buffer(ctx->outputs[0],
FFMAX(s->start_silence, 1));
if (!s->start_silence_hold)
return AVERROR(ENOMEM);
@ -239,15 +440,13 @@ static int config_input(AVFilterLink *inlink)
s->start_holdoff_end = 0;
s->start_found_periods = 0;
s->stop_holdoff = av_malloc_array(FFMAX(s->stop_duration, 1),
sizeof(*s->stop_holdoff) *
inlink->channels);
s->stop_holdoff = ff_get_audio_buffer(ctx->outputs[0],
FFMAX(s->stop_duration, 1));
if (!s->stop_holdoff)
return AVERROR(ENOMEM);
s->stop_silence_hold = av_malloc_array(FFMAX(s->stop_silence, 1),
sizeof(*s->stop_silence_hold) *
inlink->channels);
s->stop_silence_hold = ff_get_audio_buffer(ctx->outputs[0],
FFMAX(s->stop_silence, 1));
if (!s->stop_silence_hold)
return AVERROR(ENOMEM);
@ -260,6 +459,61 @@ static int config_input(AVFilterLink *inlink)
else
s->mode = SILENCE_COPY;
switch (inlink->format) {
case AV_SAMPLE_FMT_DBL:
s->copy = copy_double;
switch (s->detection) {
case D_PEAK:
s->update = update_peak_double;
s->compute = compute_peak_double;
break;
case D_RMS:
s->update = update_rms_double;
s->compute = compute_rms_double;
break;
}
break;
case AV_SAMPLE_FMT_FLT:
s->copy = copy_float;
switch (s->detection) {
case D_PEAK:
s->update = update_peak_float;
s->compute = compute_peak_float;
break;
case D_RMS:
s->update = update_rms_float;
s->compute = compute_rms_float;
break;
}
break;
case AV_SAMPLE_FMT_DBLP:
s->copy = copy_doublep;
switch (s->detection) {
case D_PEAK:
s->update = update_peak_doublep;
s->compute = compute_peak_doublep;
break;
case D_RMS:
s->update = update_rms_doublep;
s->compute = compute_rms_doublep;
break;
}
break;
case AV_SAMPLE_FMT_FLTP:
s->copy = copy_floatp;
switch (s->detection) {
case D_PEAK:
s->update = update_peak_floatp;
s->compute = compute_peak_floatp;
break;
case D_RMS:
s->update = update_rms_floatp;
s->compute = compute_rms_floatp;
break;
}
break;
}
return 0;
}
@ -270,7 +524,7 @@ static void flush(SilenceRemoveContext *s,
AVFrame *silence;
if (*nb_samples_written) {
out->nb_samples = *nb_samples_written / outlink->channels;
out->nb_samples = *nb_samples_written;
out->pts = s->next_pts;
s->next_pts += av_rescale_q(out->nb_samples,
@ -288,22 +542,24 @@ static void flush(SilenceRemoveContext *s,
if (s->stop_silence_end <= 0 || !flush_silence)
return;
silence = ff_get_audio_buffer(outlink, s->stop_silence_end / outlink->channels);
silence = ff_get_audio_buffer(outlink, s->stop_silence_end);
if (!silence) {
*ret = AVERROR(ENOMEM);
return;
}
if (s->stop_silence_offset < s->stop_silence_end) {
memcpy(silence->data[0],
&s->stop_silence_hold[s->stop_silence_offset],
(s->stop_silence_end - s->stop_silence_offset) * sizeof(double));
av_samples_copy(silence->data, s->stop_silence_hold->data, 0,
s->stop_silence_offset,
s->stop_silence_end - s->stop_silence_offset,
outlink->channels, outlink->format);
}
if (s->stop_silence_offset > 0) {
memcpy(silence->data[0] + (s->stop_silence_end - s->stop_silence_offset) * sizeof(double),
&s->stop_silence_hold[0],
s->stop_silence_offset * sizeof(double));
av_samples_copy(silence->data, s->stop_silence_hold->data,
s->stop_silence_end - s->stop_silence_offset,
0, s->stop_silence_offset,
outlink->channels, outlink->format);
}
s->stop_silence_offset = 0;
@ -324,7 +580,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
SilenceRemoveContext *s = ctx->priv;
int i, j, threshold, ret = 0;
int nbs, nb_samples_read, nb_samples_written;
double *obuf, *ibuf = (double *)in->data[0];
AVFrame *out;
nb_samples_read = nb_samples_written = 0;
@ -335,7 +590,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
switch (s->mode) {
case SILENCE_TRIM:
silence_trim:
nbs = in->nb_samples - nb_samples_read / outlink->channels;
nbs = in->nb_samples - nb_samples_read;
if (!nbs)
break;
@ -343,23 +598,24 @@ silence_trim:
if (s->start_mode == T_ANY) {
threshold = 0;
for (j = 0; j < outlink->channels; j++) {
threshold |= s->compute(s, ibuf[j]) > s->start_threshold;
threshold |= s->compute(s, in, j, nb_samples_read) > s->start_threshold;
}
} else {
threshold = 1;
for (j = 0; j < outlink->channels; j++) {
threshold &= s->compute(s, ibuf[j]) > s->start_threshold;
threshold &= s->compute(s, in, j, nb_samples_read) > s->start_threshold;
}
}
if (threshold) {
for (j = 0; j < outlink->channels; j++) {
s->update(s, *ibuf);
s->start_holdoff[s->start_holdoff_end++] = *ibuf++;
s->update(s, in, j, nb_samples_read);
s->copy(s, s->start_holdoff, in, j, s->start_holdoff_end, nb_samples_read);
}
nb_samples_read += outlink->channels;
s->start_holdoff_end++;
nb_samples_read++;
if (s->start_holdoff_end >= s->start_duration * outlink->channels) {
if (s->start_holdoff_end >= s->start_duration) {
if (++s->start_found_periods >= s->start_periods) {
s->mode = SILENCE_TRIM_FLUSH;
goto silence_trim_flush;
@ -374,30 +630,30 @@ silence_trim:
s->start_holdoff_end = 0;
for (j = 0; j < outlink->channels; j++) {
s->update(s, ibuf[j]);
s->update(s, in, j, nb_samples_read);
if (s->start_silence)
s->copy(s, s->start_silence_hold, in, j, s->start_silence_offset, nb_samples_read);
}
nb_samples_read++;
s->start_silence_offset++;
if (s->start_silence) {
s->start_silence_hold[s->start_silence_offset++] = ibuf[j];
s->start_silence_end = FFMIN(s->start_silence_end + 1, outlink->channels * s->start_silence);
if (s->start_silence_offset >= outlink->channels * s->start_silence) {
s->start_silence_end = FFMIN(s->start_silence_end + 1, s->start_silence);
if (s->start_silence_offset >= s->start_silence)
s->start_silence_offset = 0;
}
}
}
ibuf += outlink->channels;
nb_samples_read += outlink->channels;
}
}
break;
case SILENCE_TRIM_FLUSH:
silence_trim_flush:
nbs = s->start_holdoff_end - s->start_holdoff_offset;
nbs -= nbs % outlink->channels;
if (!nbs)
break;
out = ff_get_audio_buffer(outlink, nbs / outlink->channels + s->start_silence_end / outlink->channels);
out = ff_get_audio_buffer(outlink, nbs + s->start_silence_end);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
@ -405,21 +661,24 @@ silence_trim_flush:
if (s->start_silence_end > 0) {
if (s->start_silence_offset < s->start_silence_end) {
memcpy(out->data[0],
&s->start_silence_hold[s->start_silence_offset],
(s->start_silence_end - s->start_silence_offset) * sizeof(double));
av_samples_copy(out->data, s->start_silence_hold->data, 0,
s->start_silence_offset,
s->start_silence_end - s->start_silence_offset,
outlink->channels, outlink->format);
}
if (s->start_silence_offset > 0) {
memcpy(out->data[0] + (s->start_silence_end - s->start_silence_offset) * sizeof(double),
&s->start_silence_hold[0],
s->start_silence_offset * sizeof(double));
av_samples_copy(out->data, s->start_silence_hold->data,
s->start_silence_end - s->start_silence_offset,
0, s->start_silence_offset,
outlink->channels, outlink->format);
}
}
memcpy(out->data[0] + s->start_silence_end * sizeof(double),
&s->start_holdoff[s->start_holdoff_offset],
nbs * sizeof(double));
av_samples_copy(out->data, s->start_holdoff->data,
s->start_silence_end,
s->start_holdoff_offset, nbs,
outlink->channels, outlink->format);
out->pts = s->next_pts;
s->next_pts += av_rescale_q(out->nb_samples,
@ -442,7 +701,7 @@ silence_trim_flush:
case SILENCE_COPY:
silence_copy:
nbs = in->nb_samples - nb_samples_read / outlink->channels;
nbs = in->nb_samples - nb_samples_read;
if (!nbs)
break;
@ -451,19 +710,18 @@ silence_copy:
av_frame_free(&in);
return AVERROR(ENOMEM);
}
obuf = (double *)out->data[0];
if (s->stop_periods) {
for (i = 0; i < nbs; i++) {
if (s->stop_mode == T_ANY) {
threshold = 0;
for (j = 0; j < outlink->channels; j++) {
threshold |= s->compute(s, ibuf[j]) > s->stop_threshold;
threshold |= s->compute(s, in, j, nb_samples_read) > s->stop_threshold;
}
} else {
threshold = 1;
for (j = 0; j < outlink->channels; j++) {
threshold &= s->compute(s, ibuf[j]) > s->stop_threshold;
threshold &= s->compute(s, in, j, nb_samples_read) > s->stop_threshold;
}
}
@ -473,27 +731,29 @@ silence_copy:
goto silence_copy_flush;
} else if (threshold) {
for (j = 0; j < outlink->channels; j++) {
s->update(s, *ibuf);
*obuf++ = *ibuf++;
s->update(s, in, j, nb_samples_read);
s->copy(s, out, in, j, nb_samples_written, nb_samples_read);
}
nb_samples_read += outlink->channels;
nb_samples_written += outlink->channels;
nb_samples_read++;
nb_samples_written++;
} else if (!threshold) {
for (j = 0; j < outlink->channels; j++) {
s->update(s, *ibuf);
s->update(s, in, j, nb_samples_read);
if (s->stop_silence) {
s->stop_silence_hold[s->stop_silence_offset++] = *ibuf;
s->stop_silence_end = FFMIN(s->stop_silence_end + 1, outlink->channels * s->stop_silence);
if (s->stop_silence_offset >= outlink->channels * s->stop_silence) {
s->copy(s, s->stop_silence_hold, in, j, s->stop_silence_offset, nb_samples_read);
s->stop_silence_end = FFMIN(s->stop_silence_end + 1, s->stop_silence);
if (s->stop_silence_offset >= s->stop_silence) {
s->stop_silence_offset = 0;
}
}
s->stop_holdoff[s->stop_holdoff_end++] = *ibuf++;
s->copy(s, s->stop_holdoff, in, j, s->stop_holdoff_end, nb_samples_read);
}
nb_samples_read += outlink->channels;
nb_samples_read++;
s->stop_holdoff_end++;
if (s->stop_holdoff_end >= s->stop_duration * outlink->channels) {
if (s->stop_holdoff_end >= s->stop_duration) {
if (++s->stop_found_periods >= s->stop_periods) {
s->stop_holdoff_offset = 0;
s->stop_holdoff_end = 0;
@ -523,7 +783,10 @@ silence_copy:
}
flush(s, out, outlink, &nb_samples_written, &ret, 0);
} else {
memcpy(obuf, ibuf, sizeof(double) * nbs * outlink->channels);
av_samples_copy(out->data, in->data,
nb_samples_written,
nb_samples_read, nbs,
outlink->channels, outlink->format);
out->pts = s->next_pts;
s->next_pts += av_rescale_q(out->nb_samples,
@ -537,18 +800,19 @@ silence_copy:
case SILENCE_COPY_FLUSH:
silence_copy_flush:
nbs = s->stop_holdoff_end - s->stop_holdoff_offset;
nbs -= nbs % outlink->channels;
if (!nbs)
break;
out = ff_get_audio_buffer(outlink, nbs / outlink->channels);
out = ff_get_audio_buffer(outlink, nbs);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
}
memcpy(out->data[0], &s->stop_holdoff[s->stop_holdoff_offset],
nbs * sizeof(double));
av_samples_copy(out->data, s->stop_holdoff->data, 0,
s->stop_holdoff_offset, nbs,
outlink->channels, outlink->format);
s->stop_holdoff_offset += nbs;
out->pts = s->next_pts;
@ -590,12 +854,13 @@ static int request_frame(AVFilterLink *outlink)
if (nbs) {
AVFrame *frame;
frame = ff_get_audio_buffer(outlink, nbs / outlink->channels);
frame = ff_get_audio_buffer(outlink, nbs);
if (!frame)
return AVERROR(ENOMEM);
memcpy(frame->data[0], &s->stop_holdoff[s->stop_holdoff_offset],
nbs * sizeof(double));
av_samples_copy(frame->data, s->stop_holdoff->data, 0,
s->stop_holdoff_offset, nbs,
outlink->channels, outlink->format);
frame->pts = s->next_pts;
s->next_pts += av_rescale_q(frame->nb_samples,
@ -614,7 +879,9 @@ static int query_formats(AVFilterContext *ctx)
AVFilterFormats *formats = NULL;
AVFilterChannelLayouts *layouts = NULL;
static const enum AVSampleFormat sample_fmts[] = {
AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_NONE
AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBLP,
AV_SAMPLE_FMT_NONE
};
int ret;
@ -642,10 +909,10 @@ static av_cold void uninit(AVFilterContext *ctx)
{
SilenceRemoveContext *s = ctx->priv;
av_freep(&s->start_holdoff);
av_freep(&s->start_silence_hold);
av_freep(&s->stop_holdoff);
av_freep(&s->stop_silence_hold);
av_frame_free(&s->start_holdoff);
av_frame_free(&s->start_silence_hold);
av_frame_free(&s->stop_holdoff);
av_frame_free(&s->stop_silence_hold);
av_freep(&s->window);
}

Write Preview
Loading…
Cancel
Save