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lavfi/formats: avoid using AV_{PIX,SAMPLE}_FMT_NB

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Thatt hardcodes the number of formats into lavfi and will break when a
shared lavu is updated, adding new formats.
This commit is contained in:
Anton Khirnov 2014-05-24 11:15:15 +02:00
parent b03b2d86aa
commit 7cc4c9f32f
1 changed files with 11 additions and 7 deletions
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18
libavfilter/formats.c
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@ -209,15 +209,19 @@ int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout)
AVFilterFormats *ff_all_formats(enum AVMediaType type)
{
AVFilterFormats *ret = NULL;
int fmt;
int num_formats = type == AVMEDIA_TYPE_VIDEO ? AV_PIX_FMT_NB :
type == AVMEDIA_TYPE_AUDIO ? AV_SAMPLE_FMT_NB : 0;
for (fmt = 0; fmt < num_formats; fmt++) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
if ((type != AVMEDIA_TYPE_VIDEO) ||
(type == AVMEDIA_TYPE_VIDEO && !(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)))
if (type == AVMEDIA_TYPE_VIDEO) {
const AVPixFmtDescriptor *desc = NULL;
while ((desc = av_pix_fmt_desc_next(desc))) {
if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
ff_add_format(&ret, av_pix_fmt_desc_get_id(desc));
}
} else if (type == AVMEDIA_TYPE_AUDIO) {
enum AVSampleFormat fmt = 0;
while (av_get_sample_fmt_name(fmt)) {
ff_add_format(&ret, fmt);
fmt++;
}
}
return ret;