From c619d20906d039060efbeaa822daf8e949f3ef24 Mon Sep 17 00:00:00 2001 From: Niklas Haas Date: Mon, 5 Feb 2024 19:28:04 +0100 Subject: [PATCH] fftools/ffplay: constrain supported YUV color spaces SDL supports only these three matrices. Actually, it only supports these three combinations: BT.601+JPEG, BT.601+MPEG, BT.709+MPEG, but we have no way to restrict the specific *combination* of YUV range and YUV colorspace with the current filter design. See-Also: https://trac.ffmpeg.org/ticket/10839 Instead of an incorrect conversion result, trying to play a YCgCo file with ffplay will simply error out with a "No conversion possible" error. --- fftools/ffplay.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fftools/ffplay.c b/fftools/ffplay.c index 132f50a5a1..53e6fc0514 100644 --- a/fftools/ffplay.c +++ b/fftools/ffplay.c @@ -940,6 +940,13 @@ static int upload_texture(SDL_Texture **tex, AVFrame *frame) return ret; } +static enum AVColorSpace sdl_supported_color_spaces[] = { + AVCOL_SPC_BT709, + AVCOL_SPC_BT470BG, + AVCOL_SPC_SMPTE170M, + AVCOL_SPC_UNSPECIFIED, +}; + static void set_sdl_yuv_conversion_mode(AVFrame *frame) { #if SDL_VERSION_ATLEAST(2,0,8) @@ -1921,6 +1928,8 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c if ((ret = av_opt_set_int_list(filt_out, "pix_fmts", pix_fmts, AV_PIX_FMT_NONE, AV_OPT_SEARCH_CHILDREN)) < 0) goto fail; + if ((ret = av_opt_set_int_list(filt_out, "color_spaces", sdl_supported_color_spaces, AVCOL_SPC_UNSPECIFIED, AV_OPT_SEARCH_CHILDREN)) < 0) + goto fail; last_filter = filt_out;