return ret;
}
+/* https://www.webmproject.org/vp9/mp4/#codecs-parameter-string */
+static char *
+vp9_caps_get_mime_codec (GstCaps * caps)
+{
+ GstStructure *caps_st;
+ const char *profile_str, *chroma_format_str, *colorimetry_str;
+ guint bitdepth_luma, bitdepth_chroma;
+ guint8 profile = -1, chroma_format = -1, level = -1;
+ gboolean video_full_range;
+ GstVideoColorimetry cinfo = { 0, };
+ GString *codec_string;
+
+ caps_st = gst_caps_get_structure (caps, 0);
+ codec_string = g_string_new ("vp09");
+
+ profile_str = gst_structure_get_string (caps_st, "profile");
+ if (g_strcmp0 (profile_str, "0") == 0) {
+ profile = 0;
+ } else if (g_strcmp0 (profile_str, "1") == 0) {
+ profile = 1;
+ } else if (g_strcmp0 (profile_str, "2") == 0) {
+ profile = 2;
+ } else if (g_strcmp0 (profile_str, "3") == 0) {
+ profile = 3;
+ } else {
+ goto done;
+ }
+
+ /* XXX: hardcoded level */
+ level = 10;
+
+ gst_structure_get (caps_st, "bit-depth-luma", G_TYPE_UINT,
+ &bitdepth_luma, "bit-depth-chroma", G_TYPE_UINT, &bitdepth_chroma, NULL);
+
+ if (bitdepth_luma == 0)
+ goto done;
+ if (bitdepth_luma != bitdepth_chroma)
+ goto done;
+
+ /* mandatory elements */
+ g_string_append_printf (codec_string, ".%02u.%02u.%02u", profile, level,
+ bitdepth_luma);
+
+ colorimetry_str = gst_structure_get_string (caps_st, "colorimetry");
+ if (!colorimetry_str)
+ goto done;
+ if (!gst_video_colorimetry_from_string (&cinfo, colorimetry_str))
+ goto done;
+ video_full_range = cinfo.range == GST_VIDEO_COLOR_RANGE_0_255;
+
+ chroma_format_str = gst_structure_get_string (caps_st, "chroma-format");
+ if (g_strcmp0 (chroma_format_str, "4:2:0") == 0) {
+ const char *chroma_site_str;
+ GstVideoChromaSite chroma_site;
+
+ chroma_site_str = gst_structure_get_string (caps_st, "chroma-site");
+ chroma_site = gst_video_chroma_site_from_string (chroma_site_str);
+ if (chroma_site == GST_VIDEO_CHROMA_SITE_V_COSITED) {
+ chroma_format = 0;
+ } else if (chroma_site == GST_VIDEO_CHROMA_SITE_COSITED) {
+ chroma_format = 1;
+ } else {
+ chroma_format = 1;
+ }
+ } else if (g_strcmp0 (chroma_format_str, "4:2:2") == 0) {
+ chroma_format = 2;
+ } else if (g_strcmp0 (chroma_format_str, "4:4:4") == 0) {
+ chroma_format = 3;
+ } else {
+ goto done;
+ }
+
+ /* optional but all or nothing */
+ g_string_append_printf (codec_string, ".%02u.%02u.%02u.%02u.%02u",
+ chroma_format, gst_video_color_primaries_to_iso (cinfo.primaries),
+ gst_video_transfer_function_to_iso (cinfo.transfer),
+ gst_video_color_matrix_to_iso (cinfo.matrix), video_full_range);
+
+done:
+ return g_string_free (codec_string, FALSE);
+}
+
/**
* gst_codec_utils_caps_get_mime_codec:
* @caps: A #GstCaps to convert to mime codec
* available in the mime codec for vp8. */
mime_codec = g_strdup ("vp08");
} else if (g_strcmp0 (media_type, "video/x-vp9") == 0) {
- /* TODO: most browsers won't play the video unless more codec information is
- * available in the mime codec for vp9. This is documented in
- * https://www.webmproject.org/vp9/mp4/ */
- mime_codec = g_strdup ("vp09");
+ mime_codec = vp9_caps_get_mime_codec (caps);
} else if (g_strcmp0 (media_type, "image/jpeg") == 0) {
mime_codec = g_strdup ("mjpg");
} else if (g_strcmp0 (media_type, "audio/mpeg") == 0) {