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vf_fieldorder: avoid using AV_PIX_FMT_NB 

That hardcodes the number of pixel formats into lavfi and will break
when a shared lavu is updated, adding new pixel formats.
This commit is contained in:
Anton Khirnov 2014-05-24 11:15:15 +02:00
parent 862f33c10e
commit a7d070acb5
1 changed files with 3 additions and 2 deletions
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5
libavfilter/vf_fieldorder.c
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@ -50,9 +50,10 @@ static int query_formats(AVFilterContext *ctx)
/** accept any input pixel format that is not hardware accelerated, not
* a bitstream format, and does not have vertically sub-sampled chroma */
if (ctx->inputs[0]) {
const AVPixFmtDescriptor *desc = NULL;
formats = NULL;
for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
while ((desc = av_pix_fmt_desc_next(desc))) {
pix_fmt = av_pix_fmt_desc_get_id(desc);
if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL ||
desc->flags & AV_PIX_FMT_FLAG_BITSTREAM) &&
desc->nb_components && !desc->log2_chroma_h &&