|
|
|
@ -33,38 +33,6 @@ AVFilterBufferRef *ff_null_get_audio_buffer(AVFilterLink *link, int perms, |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
AVFilterBufferRef *ff_default_get_audio_buffer(AVFilterLink *link, int perms, |
|
|
|
|
int nb_samples) |
|
|
|
|
{ |
|
|
|
|
AVFilterBufferRef *samplesref = NULL; |
|
|
|
|
int linesize[8] = {0}; |
|
|
|
|
uint8_t *data[8] = {0}; |
|
|
|
|
int ch, nb_channels = av_get_channel_layout_nb_channels(link->channel_layout); |
|
|
|
|
|
|
|
|
|
/* right now we don't support more than 8 channels */ |
|
|
|
|
av_assert0(nb_channels <= 8); |
|
|
|
|
|
|
|
|
|
/* Calculate total buffer size, round to multiple of 16 to be SIMD friendly */ |
|
|
|
|
if (av_samples_alloc(data, linesize, |
|
|
|
|
nb_channels, nb_samples, |
|
|
|
|
av_get_alt_sample_fmt(link->format, link->planar), |
|
|
|
|
16) < 0) |
|
|
|
|
return NULL; |
|
|
|
|
|
|
|
|
|
for (ch = 1; link->planar && ch < nb_channels; ch++) |
|
|
|
|
linesize[ch] = linesize[0]; |
|
|
|
|
samplesref = |
|
|
|
|
avfilter_get_audio_buffer_ref_from_arrays(data, linesize, perms, |
|
|
|
|
nb_samples, link->format, |
|
|
|
|
link->channel_layout, link->planar); |
|
|
|
|
if (!samplesref) { |
|
|
|
|
av_free(data[0]); |
|
|
|
|
return NULL; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return samplesref; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static AVFilterBufferRef *ff_default_get_audio_buffer_alt(AVFilterLink *link, int perms, |
|
|
|
|
int nb_samples) |
|
|
|
|
{ |
|
|
|
|
AVFilterBufferRef *samplesref = NULL; |
|
|
|
@ -80,7 +48,7 @@ static AVFilterBufferRef *ff_default_get_audio_buffer_alt(AVFilterLink *link, in |
|
|
|
|
if (av_samples_alloc(data, &linesize, nb_channels, nb_samples, link->format, 0) < 0) |
|
|
|
|
goto fail; |
|
|
|
|
|
|
|
|
|
samplesref = avfilter_get_audio_buffer_ref_from_arrays_alt(data, linesize, perms, |
|
|
|
|
samplesref = avfilter_get_audio_buffer_ref_from_arrays(data, linesize, perms, |
|
|
|
|
nb_samples, link->format, |
|
|
|
|
link->channel_layout); |
|
|
|
|
if (!samplesref) |
|
|
|
@ -112,49 +80,7 @@ AVFilterBufferRef *ff_get_audio_buffer(AVFilterLink *link, int perms, |
|
|
|
|
return ret; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
AVFilterBufferRef * |
|
|
|
|
avfilter_get_audio_buffer_ref_from_arrays(uint8_t *data[8], int linesize[8], int perms, |
|
|
|
|
int nb_samples, enum AVSampleFormat sample_fmt, |
|
|
|
|
uint64_t channel_layout, int planar) |
|
|
|
|
{ |
|
|
|
|
AVFilterBuffer *samples = av_mallocz(sizeof(AVFilterBuffer)); |
|
|
|
|
AVFilterBufferRef *samplesref = av_mallocz(sizeof(AVFilterBufferRef)); |
|
|
|
|
|
|
|
|
|
if (!samples || !samplesref) |
|
|
|
|
goto fail; |
|
|
|
|
|
|
|
|
|
samplesref->buf = samples; |
|
|
|
|
samplesref->buf->free = ff_avfilter_default_free_buffer; |
|
|
|
|
if (!(samplesref->audio = av_mallocz(sizeof(AVFilterBufferRefAudioProps)))) |
|
|
|
|
goto fail; |
|
|
|
|
|
|
|
|
|
samplesref->audio->nb_samples = nb_samples; |
|
|
|
|
samplesref->audio->channel_layout = channel_layout; |
|
|
|
|
samplesref->audio->planar = planar; |
|
|
|
|
|
|
|
|
|
/* make sure the buffer gets read permission or it's useless for output */ |
|
|
|
|
samplesref->perms = perms | AV_PERM_READ; |
|
|
|
|
|
|
|
|
|
samples->refcount = 1; |
|
|
|
|
samplesref->type = AVMEDIA_TYPE_AUDIO; |
|
|
|
|
samplesref->format = sample_fmt; |
|
|
|
|
|
|
|
|
|
memcpy(samples->data, data, sizeof(samples->data)); |
|
|
|
|
memcpy(samples->linesize, linesize, sizeof(samples->linesize)); |
|
|
|
|
memcpy(samplesref->data, data, sizeof(samplesref->data)); |
|
|
|
|
memcpy(samplesref->linesize, linesize, sizeof(samplesref->linesize)); |
|
|
|
|
|
|
|
|
|
return samplesref; |
|
|
|
|
|
|
|
|
|
fail: |
|
|
|
|
if (samplesref && samplesref->audio) |
|
|
|
|
av_freep(&samplesref->audio); |
|
|
|
|
av_freep(&samplesref); |
|
|
|
|
av_freep(&samples); |
|
|
|
|
return NULL; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
AVFilterBufferRef* avfilter_get_audio_buffer_ref_from_arrays_alt(uint8_t **data, |
|
|
|
|
AVFilterBufferRef* avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data, |
|
|
|
|
int linesize,int perms, |
|
|
|
|
int nb_samples, |
|
|
|
|
enum AVSampleFormat sample_fmt, |
|
|
|
|