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fftools/ffmpeg: add alpha_mode support

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The implementation exactly mirrors the existing plumbing for color_ranges
and color_spaces.
This commit is contained in:
Niklas Haas
2025-08-13 14:13:21 +02:00
parent 2e2ca4e740
commit f07573f496
5 changed files with 35 additions and 3 deletions
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fftools/ffmpeg_enc.c
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@@ -274,6 +274,7 @@ int enc_open(void *opaque, const AVFrame *frame)
enc_ctx->color_primaries = frame->color_primaries;
enc_ctx->color_trc = frame->color_trc;
enc_ctx->colorspace = frame->colorspace;
enc_ctx->alpha_mode = frame->alpha_mode;
/* Video properties which are not part of filter graph negotiation */
if (enc_ctx->chroma_sample_location == AVCHROMA_LOC_UNSPECIFIED) {