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@ -108,17 +108,17 @@ AVFilterFormats *ff_merge_formats(AVFilterFormats *a, AVFilterFormats *b, |
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To avoid that, pretend that there are no common formats to force the |
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insertion of a conversion filter. */ |
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if (type == AVMEDIA_TYPE_VIDEO) |
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for (i = 0; i < a->format_count; i++) |
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for (j = 0; j < b->format_count; j++) { |
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const AVPixFmtDescriptor *adesc = av_pix_fmt_desc_get(a->formats[i]); |
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const AVPixFmtDescriptor *bdesc = av_pix_fmt_desc_get(b->formats[j]); |
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alpha2 |= adesc->flags & bdesc->flags & PIX_FMT_ALPHA; |
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chroma2|= adesc->nb_components > 1 && bdesc->nb_components > 1; |
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if (a->formats[i] == b->formats[j]) { |
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alpha1 |= adesc->flags & PIX_FMT_ALPHA; |
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chroma1|= adesc->nb_components > 1; |
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for (i = 0; i < a->format_count; i++) |
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for (j = 0; j < b->format_count; j++) { |
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const AVPixFmtDescriptor *adesc = av_pix_fmt_desc_get(a->formats[i]); |
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const AVPixFmtDescriptor *bdesc = av_pix_fmt_desc_get(b->formats[j]); |
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alpha2 |= adesc->flags & bdesc->flags & PIX_FMT_ALPHA; |
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chroma2|= adesc->nb_components > 1 && bdesc->nb_components > 1; |
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if (a->formats[i] == b->formats[j]) { |
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alpha1 |= adesc->flags & PIX_FMT_ALPHA; |
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chroma1|= adesc->nb_components > 1; |
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} |
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} |
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} |
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// If chroma or alpha can be lost through merging then do not merge
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if (alpha2 > alpha1 || chroma2 > chroma1) |
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