From: Niklas Haas <g...@haasn.dev> --- libavfilter/vf_showinfo.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c index 8109ca7fce..c658cdcc3e 100644 --- a/libavfilter/vf_showinfo.c +++ b/libavfilter/vf_showinfo.c @@ -875,6 +875,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) dump_color_property(ctx, frame); + if (desc->flags & AV_PIX_FMT_FLAG_ALPHA) { + const char *alpha_mode_str = av_alpha_mode_name(frame->alpha_mode); + if (!alpha_mode_str || frame->alpha_mode == AVALPHA_MODE_UNSPECIFIED) + av_log(ctx, AV_LOG_INFO, "alpha_mode:unknown\n"); + else + av_log(ctx, AV_LOG_INFO, "alpha_mode:%s\n", alpha_mode_str); + } + return ff_filter_frame(inlink->dst->outputs[0], frame); } -- 2.47.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".