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Code Issues Releases Activity

src_buffer: move format change check in a separate function.

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This will make merging the check with the audio part easier.
This commit is contained in:
Nicolas George 2012-04-27 20:11:00 +02:00
parent 3985ec0ee6
commit f94b150a03
1 changed files with 39 additions and 18 deletions
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57
libavfilter/src_buffer.c
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@ -69,27 +69,12 @@ typedef struct {
return AVERROR(EINVAL);\
}
int av_buffersrc_add_ref(AVFilterContext *buffer_filter,
AVFilterBufferRef *picref, int flags)
static int check_format_change_video(AVFilterContext *buffer_filter,
AVFilterBufferRef *picref)
{
BufferSourceContext *c = buffer_filter->priv;
AVFilterLink *outlink = buffer_filter->outputs[0];
AVFilterBufferRef *buf;
int ret;
if (!picref) {
c->eof = 1;
return 0;
} else if (c->eof)
return AVERROR(EINVAL);
if (!av_fifo_space(c->fifo) &&
(ret = av_fifo_realloc2(c->fifo, av_fifo_size(c->fifo) +
sizeof(buf))) < 0)
return ret;
if (!(flags & AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT)) {
/* TODO reindent */
if (picref->video->w != c->w || picref->video->h != c->h || picref->format != c->pix_fmt) {
AVFilterContext *scale = buffer_filter->outputs[0]->dst;
AVFilterLink *link;
@ -134,8 +119,44 @@ int av_buffersrc_add_ref(AVFilterContext *buffer_filter,
if ((ret = link->srcpad->config_props(link)) < 0)
return ret;
}
}
return 0;
}
static int check_format_change(AVFilterContext *buffer_filter,
AVFilterBufferRef *picref)
{
switch (buffer_filter->outputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
return check_format_change_video(buffer_filter, picref);
default:
return AVERROR(ENOSYS);
}
}
int av_buffersrc_add_ref(AVFilterContext *buffer_filter,
AVFilterBufferRef *picref, int flags)
{
BufferSourceContext *c = buffer_filter->priv;
AVFilterLink *outlink = buffer_filter->outputs[0];
AVFilterBufferRef *buf;
int ret;
if (!picref) {
c->eof = 1;
return 0;
} else if (c->eof)
return AVERROR(EINVAL);
if (!av_fifo_space(c->fifo) &&
(ret = av_fifo_realloc2(c->fifo, av_fifo_size(c->fifo) +
sizeof(buf))) < 0)
return ret;
if (!(flags & AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT)) {
ret = check_format_change(buffer_filter, picref);
if (ret < 0)
return ret;
}
if (flags & AV_BUFFERSRC_FLAG_NO_COPY) {
buf = picref;
} else {