RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

src_buffer: implement audio buffer copy.

This commit is contained in:
Nicolas George 2012-04-28 14:54:04 +02:00
parent d8407bba0e
commit a96cd73ff2
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libavfilter/src_buffer.c
View File

@ -220,6 +220,7 @@ static AVFilterBufferRef *copy_buffer_ref(AVFilterContext *ctx,
{
AVFilterLink *outlink = ctx->outputs[0];
AVFilterBufferRef *buf;
int channels, data_size, i;
switch (outlink->type) {
@ -231,6 +232,17 @@ static AVFilterBufferRef *copy_buffer_ref(AVFilterContext *ctx,
ref->format, ref->video->w, ref->video->h);
break;
case AVMEDIA_TYPE_AUDIO:
buf = avfilter_get_audio_buffer(outlink, AV_PERM_WRITE,
ref->audio->nb_samples);
channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout);
data_size = av_samples_get_buffer_size(NULL, channels,
ref->audio->nb_samples,
ref->format, 1);
for (i = 0; i < FF_ARRAY_ELEMS(ref->buf->data) && ref->buf->data[i]; i++)
memcpy(buf->buf->data[i], ref->buf->data[i], data_size);
break;
default:
return NULL;
}