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commit 409351e5ebff92ffc93b31159805d0e908788b95 Author: James Almer <[email protected]> AuthorDate: Mon Oct 5 17:57:27 2026 -0300 Commit: James Almer <[email protected]> CommitDate: Mon Oct 12 10:37:31 2026 -0300 avformat/dump: print Gain Map Parameters side data Signed-off-by: James Almer <[email protected]> --- libavformat/dump.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/libavformat/dump.c b/libavformat/dump.c index 0f2eef33c9..c2f9fc6f7b 100644 --- a/libavformat/dump.c +++ b/libavformat/dump.c @@ -25,6 +25,7 @@ #include "libavutil/avstring.h" #include "libavutil/channel_layout.h" #include "libavutil/display.h" +#include "libavutil/gain_map.h" #include "libavutil/iamf.h" #include "libavutil/intreadwrite.h" #include "libavutil/log.h" @@ -468,6 +469,33 @@ static void dump_tdrdi(void *ctx, const AVPacketSideData *sd, int log_level) av_log(ctx, log_level, "number of reference displays: %u", tdrdi->num_ref_displays); } +static void dump_gain_map_params(void *ctx, const AVPacketSideData *sd, int log_level) +{ + const AVGainMapParams *p = (const AVGainMapParams *) sd->data; + + av_log(ctx, log_level, "version=%d, nb_channels=%d, use_base_color_space=%d, " + "base_hdr_headroom=%f, alternate_hdr_headroom=%f, channels={ ", + p->version, p->nb_channels, p->use_base_color_space, + av_q2d(p->base_hdr_headroom), av_q2d(p->alternate_hdr_headroom)); + + if (!(p->nb_channels == 1 || p->nb_channels == 3)) { + av_log(ctx, AV_LOG_ERROR, "invalid data }\n"); + return; + } + + for (int c = 0; c < p->nb_channels; c++) { + const struct AVGainMapChannel *ch = &p->channels[c]; + av_log(ctx, log_level, + "{ gain_map_min=%f, gain_map_max=%f, gamma=%f, " + "base_offset=%f, alternate_offset=%f } ", + av_q2d(ch->gain_map_min), av_q2d(ch->gain_map_max), + av_q2d(ch->gamma), av_q2d(ch->base_offset), + av_q2d(ch->alternate_offset)); + } + + av_log(ctx, log_level, "}"); +} + static void dump_sidedata(void *ctx, const AVPacketSideData *side_data, int nb_side_data, int w, int h, AVRational avg_frame_rate, const char *indent, int log_level) @@ -532,6 +560,9 @@ static void dump_sidedata(void *ctx, const AVPacketSideData *side_data, int nb_s case AV_PKT_DATA_3D_REFERENCE_DISPLAYS: dump_tdrdi(ctx, sd, log_level); break; + case AV_PKT_DATA_GAIN_MAP_PARAMS: + dump_gain_map_params(ctx, sd, log_level); + break; default: if (name) av_log(ctx, log_level, "(%zu bytes)", sd->size); -- To stop receiving notification emails like this one, please contact [email protected]. _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
