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h264parse: Expose parsed colorimetry when VUI provided it

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... and also if upstream did not specify the colorimetry.
This commit is contained in:
Seungha Yang 2019-07-16 09:40:01 +09:00
parent c64cdf2ff3
commit 375acd5a79
2 changed files with 50 additions and 5 deletions
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54
gst/videoparsers/gsth264parse.c
View file

@ -214,6 +214,11 @@ gst_h264_parse_reset_stream_info (GstH264Parse * h264parse)
h264parse->upstream_par_d = -1;
h264parse->parsed_par_n = 0;
h264parse->parsed_par_d = 0;
h264parse->parsed_colorimetry.range = GST_VIDEO_COLOR_RANGE_UNKNOWN;
h264parse->parsed_colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_UNKNOWN;
h264parse->parsed_colorimetry.transfer = GST_VIDEO_TRANSFER_UNKNOWN;
h264parse->parsed_colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_UNKNOWN;
h264parse->have_pps = FALSE;
h264parse->have_sps = FALSE;
@ -1904,6 +1909,8 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
gint crop_width, crop_height;
gint fps_num, fps_den;
gint par_n, par_d;
GstH264VUIParams *vui = &sps->vui_parameters;
gchar *colorimetry = NULL;
if (sps->frame_cropping_flag) {
crop_width = sps->crop_rect_width;
@ -1934,16 +1941,46 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
modified = TRUE;
}
if (sps->vui_parameters.aspect_ratio_info_present_flag) {
if (G_UNLIKELY ((h264parse->parsed_par_n != sps->vui_parameters.par_n)
|| (h264parse->parsed_par_d != sps->vui_parameters.par_d))) {
h264parse->parsed_par_n = sps->vui_parameters.par_n;
h264parse->parsed_par_d = sps->vui_parameters.par_d;
if (vui->aspect_ratio_info_present_flag) {
if (G_UNLIKELY ((h264parse->parsed_par_n != vui->par_n)
|| (h264parse->parsed_par_d != vui->par_d))) {
h264parse->parsed_par_n = vui->par_n;
h264parse->parsed_par_d = vui->par_d;
GST_INFO_OBJECT (h264parse, "pixel aspect ratio has been changed %d/%d",
h264parse->parsed_par_n, h264parse->parsed_par_d);
}
}
if (vui->video_signal_type_present_flag &&
vui->colour_description_present_flag) {
GstVideoColorimetry ci = { 0, };
gchar *old_colorimetry = NULL;
if (vui->video_full_range_flag)
ci.range = GST_VIDEO_COLOR_RANGE_0_255;
else
ci.range = GST_VIDEO_COLOR_RANGE_16_235;
ci.matrix = gst_video_color_matrix_from_iso (vui->matrix_coefficients);
ci.transfer =
gst_video_color_transfer_from_iso (vui->transfer_characteristics);
ci.primaries = gst_video_color_primaries_from_iso (vui->colour_primaries);
old_colorimetry =
gst_video_colorimetry_to_string (&h264parse->parsed_colorimetry);
colorimetry = gst_video_colorimetry_to_string (&ci);
if (colorimetry && g_strcmp0 (old_colorimetry, colorimetry)) {
GST_INFO_OBJECT (h264parse,
"colorimetry has been changed from %s to %s",
GST_STR_NULL (old_colorimetry), colorimetry);
h264parse->parsed_colorimetry = ci;
modified = TRUE;
}
g_free (old_colorimetry);
}
if (G_UNLIKELY (modified || h264parse->update_caps)) {
GstVideoInterlaceMode imode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
gint width, height;
@ -2060,7 +2097,14 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
"chroma-format", G_TYPE_STRING, chroma_format,
"bit-depth-luma", G_TYPE_UINT, sps->bit_depth_luma_minus8 + 8,
"bit-depth-chroma", G_TYPE_UINT, bit_depth_chroma, NULL);
if (colorimetry && s && !gst_structure_has_field (s, "colorimetry")) {
gst_caps_set_simple (caps, "colorimetry", G_TYPE_STRING, colorimetry,
NULL);
}
}
g_free (colorimetry);
}
if (caps) {

1
gst/videoparsers/gsth264parse.h
View file

@ -60,6 +60,7 @@ struct _GstH264Parse
gint upstream_par_n, upstream_par_d;
gint parsed_par_n, parsed_par_d;
gint parsed_fps_n, parsed_fps_d;
GstVideoColorimetry parsed_colorimetry;
/* current codec_data in output caps, if any */
GstBuffer *codec_data;
/* input codec_data, if any */