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avviddec: Extract HDR information if any

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Convert mastering display information (a.k.a HDR static metadata) and
content light level information provided by FFMPEG to Gstreamer.
This commit is contained in:
Seungha Yang 2019-02-18 20:53:58 +09:00
parent 603c78b1a1
commit 8d9b30695b
1 changed files with 112 additions and 0 deletions
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112
ext/libav/gstavviddec.c
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@ -26,6 +26,7 @@
#include <libavcodec/avcodec.h>
#include <libavutil/stereo3d.h>
#include <libavutil/mastering_display_metadata.h>
#include "gstav.h"
#include "gstavcodecmap.h"
@ -1069,6 +1070,60 @@ stereo_av_to_gst (enum AVStereo3DType type)
return GST_VIDEO_MULTIVIEW_MODE_NONE;
}
static gboolean
mastering_display_metadata_av_to_gst (AVMasteringDisplayMetadata * av,
GstVideoMasteringDisplayInfo * gst)
{
/* Use only complete mastering meta */
if (!av->has_primaries || !av->has_luminance)
return FALSE;
gst->Wx_n = av->white_point[0].num;
gst->Wx_d = av->white_point[0].den;
gst->Wy_n = av->white_point[1].num;
gst->Wy_d = av->white_point[1].den;
gst->Rx_n = av->display_primaries[0][0].num;
gst->Rx_d = av->display_primaries[0][0].den;
gst->Ry_n = av->display_primaries[0][1].num;
gst->Ry_d = av->display_primaries[0][1].den;
gst->Gx_n = av->display_primaries[1][0].num;
gst->Gx_d = av->display_primaries[1][0].den;
gst->Gy_n = av->display_primaries[1][1].num;
gst->Gy_d = av->display_primaries[1][1].den;
gst->Bx_n = av->display_primaries[2][0].num;
gst->Bx_d = av->display_primaries[2][0].den;
gst->By_n = av->display_primaries[2][1].num;
gst->By_d = av->display_primaries[2][1].den;
gst->max_luma_n = av->max_luminance.num;
gst->max_luma_d = av->max_luminance.den;
gst->min_luma_n = av->min_luminance.num;
gst->min_luma_d = av->min_luminance.den;
return TRUE;
}
static gboolean
content_light_metadata_av_to_gst (AVContentLightMetadata * av,
GstVideoContentLightLevel * gst)
{
gst->maxCLL_n = av->MaxCLL;
gst->maxCLL_d = 1;
gst->maxFALL_n = av->MaxFALL;
gst->maxFALL_d = 1;
return TRUE;
}
static gboolean
gst_ffmpegviddec_negotiate (GstFFMpegVidDec * ffmpegdec,
AVCodecContext * context, AVFrame * picture)
@ -1270,6 +1325,63 @@ gst_ffmpegviddec_negotiate (GstFFMpegVidDec * ffmpegdec,
GST_VIDEO_INFO_MULTIVIEW_MODE (out_info) = ffmpegdec->cur_multiview_mode;
GST_VIDEO_INFO_MULTIVIEW_FLAGS (out_info) = ffmpegdec->cur_multiview_flags;
/* To passing HDR information to caps directly */
if (output_state->caps == NULL) {
output_state->caps = gst_video_info_to_caps (out_info);
} else {
output_state->caps = gst_caps_make_writable (output_state->caps);
}
if (!gst_structure_has_field (in_s, "mastering-display-info")) {
AVFrameSideData *sd = av_frame_get_side_data (picture,
AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
GstVideoMasteringDisplayInfo mastering;
if (sd
&& mastering_display_metadata_av_to_gst ((AVMasteringDisplayMetadata *)
sd->data, &mastering)) {
GST_LOG_OBJECT (ffmpegdec, "update mastering display info");
GST_LOG_OBJECT (ffmpegdec, "\tRed (%u/%u, %u/%u)", mastering.Rx_n,
mastering.Rx_d, mastering.Ry_n, mastering.Ry_d);
GST_LOG_OBJECT (ffmpegdec, "\tGreen(%u/%u, %u/%u)", mastering.Gx_n,
mastering.Gx_d, mastering.Gy_n, mastering.Gy_d);
GST_LOG_OBJECT (ffmpegdec, "\tBlue (%u/%u, %u/%u)", mastering.Bx_n,
mastering.Bx_d, mastering.By_n, mastering.By_d);
GST_LOG_OBJECT (ffmpegdec, "\tWhite(%u/%u, %u/%u)", mastering.Wx_n,
mastering.Wx_d, mastering.Wy_n, mastering.Wy_d);
GST_LOG_OBJECT (ffmpegdec,
"\tmax_luminance:(%u/%u), min_luminance:(%u/%u)",
mastering.max_luma_n, mastering.max_luma_d, mastering.min_luma_n,
mastering.min_luma_d);
if (!gst_video_mastering_display_info_add_to_caps (&mastering,
output_state->caps)) {
GST_WARNING_OBJECT (ffmpegdec,
"Couldn't set mastering display info to caps");
}
}
}
if (!gst_structure_has_field (in_s, "content-light-level")) {
AVFrameSideData *sd = av_frame_get_side_data (picture,
AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
GstVideoContentLightLevel level;
if (sd && content_light_metadata_av_to_gst ((AVContentLightMetadata *)
sd->data, &level)) {
GST_LOG_OBJECT (ffmpegdec, "update content light level");
GST_LOG_OBJECT (ffmpegdec,
"\tmaxCLL:(%u/%u), maxFALL:(%u/%u)", level.maxCLL_n, level.maxCLL_d,
level.maxFALL_n, level.maxFALL_d);
if (!gst_video_content_light_level_add_to_caps (&level,
output_state->caps)) {
GST_WARNING_OBJECT (ffmpegdec,
"Couldn't set content light level to caps");
}
}
}
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (ffmpegdec)))
goto negotiate_failed;