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avviddec: Set colorimetry information from the context if known

Browse source 
But only if upstream did not provide that information.

https://bugzilla.gnome.org/show_bug.cgi?id=750882
This commit is contained in:
Sebastian Dröge 2016-09-29 13:10:58 +03:00
parent 1595ba92b1
commit 5b40fb965b
1 changed files with 119 additions and 15 deletions
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134
ext/libav/gstavviddec.c
View file

@ -1012,6 +1012,7 @@ gst_ffmpegviddec_negotiate (GstFFMpegVidDec * ffmpegdec,
GstVideoCodecState *output_state;
gint fps_n, fps_d;
GstClockTime latency;
GstStructure *in_s;
if (!update_video_context (ffmpegdec, context, picture))
return TRUE;
@ -1036,21 +1037,124 @@ gst_ffmpegviddec_negotiate (GstFFMpegVidDec * ffmpegdec,
else
out_info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
switch (context->chroma_sample_location) {
case AVCHROMA_LOC_LEFT:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_MPEG2;
break;
case AVCHROMA_LOC_CENTER:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_JPEG;
break;
case AVCHROMA_LOC_TOPLEFT:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_DV;
break;
case AVCHROMA_LOC_TOP:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_V_COSITED;
break;
default:
break;
in_s = gst_caps_get_structure (ffmpegdec->input_state->caps, 0);
if (!gst_structure_has_field (in_s, "chroma-site")) {
switch (context->chroma_sample_location) {
case AVCHROMA_LOC_LEFT:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_MPEG2;
break;
case AVCHROMA_LOC_CENTER:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_JPEG;
break;
case AVCHROMA_LOC_TOPLEFT:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_DV;
break;
case AVCHROMA_LOC_TOP:
out_info->chroma_site = GST_VIDEO_CHROMA_SITE_V_COSITED;
break;
default:
break;
}
}
if (!gst_structure_has_field (in_s, "colorimetry")
|| in_info->colorimetry.primaries == GST_VIDEO_COLOR_PRIMARIES_UNKNOWN) {
switch (context->color_primaries) {
case AVCOL_PRI_BT709:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_BT709;
break;
case AVCOL_PRI_BT470M:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_BT470M;
break;
case AVCOL_PRI_BT470BG:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_BT470BG;
break;
case AVCOL_PRI_SMPTE170M:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_SMPTE170M;
break;
case AVCOL_PRI_SMPTE240M:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_SMPTE240M;
break;
case AVCOL_PRI_FILM:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_FILM;
break;
case AVCOL_PRI_BT2020:
out_info->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_BT2020;
break;
default:
break;
}
}
if (!gst_structure_has_field (in_s, "colorimetry")
|| in_info->colorimetry.transfer == GST_VIDEO_TRANSFER_UNKNOWN) {
switch (context->color_trc) {
case AVCOL_TRC_BT2020_10:
case AVCOL_TRC_BT709:
case AVCOL_TRC_SMPTE170M:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_BT709;
break;
case AVCOL_TRC_GAMMA22:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_GAMMA22;
break;
case AVCOL_TRC_GAMMA28:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_GAMMA28;
break;
case AVCOL_TRC_SMPTE240M:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_SMPTE240M;
break;
case AVCOL_TRC_LINEAR:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_GAMMA10;
break;
case AVCOL_TRC_LOG:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_LOG100;
break;
case AVCOL_TRC_LOG_SQRT:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_LOG316;
break;
case AVCOL_TRC_BT2020_12:
out_info->colorimetry.transfer = GST_VIDEO_TRANSFER_BT2020_12;
break;
default:
break;
}
}
if (!gst_structure_has_field (in_s, "colorimetry")
|| in_info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_UNKNOWN) {
switch (context->colorspace) {
case AVCOL_SPC_RGB:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
break;
case AVCOL_SPC_BT709:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_BT709;
break;
case AVCOL_SPC_FCC:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_FCC;
break;
case AVCOL_SPC_BT470BG:
case AVCOL_SPC_SMPTE170M:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_BT601;
break;
case AVCOL_SPC_SMPTE240M:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_SMPTE240M;
break;
case AVCOL_SPC_BT2020_NCL:
out_info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_BT2020;
break;
default:
break;
}
}
if (!gst_structure_has_field (in_s, "colorimetry")
|| in_info->colorimetry.range == GST_VIDEO_COLOR_RANGE_UNKNOWN) {
if (context->color_range == AVCOL_RANGE_JPEG) {
out_info->colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255;
} else {
out_info->colorimetry.range = GST_VIDEO_COLOR_RANGE_16_235;
}
}
/* try to find a good framerate */