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vpxenc: add colorspace information into VP9 bitstream

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/871>
This commit is contained in:
Jakub Adam 2020-08-18 20:16:06 +02:00 committed by GStreamer Marge Bot
parent a75cfa522d
commit 769df2c5d1
1 changed files with 61 additions and 0 deletions
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61
ext/vpx/gstvpxenc.c
View file

@ -1710,6 +1710,60 @@ gst_vpx_enc_get_downstream_profile (GstVPXEnc * encoder, GstVideoInfo * info)
return profile;
}
static vpx_color_space_t
gst_vpx_get_vpx_colorspace (GstVPXEnc * encoder, GstVideoColorimetry * cinfo,
GstVideoFormat format)
{
vpx_color_space_t colorspace = VPX_CS_UNKNOWN;
gchar *colorimetry_str;
guint i;
static const struct
{
const gchar *str;
vpx_color_space_t vpx_color_space;
} colorimetry_map[] = {
{
GST_VIDEO_COLORIMETRY_BT601, VPX_CS_BT_601}, {
GST_VIDEO_COLORIMETRY_BT709, VPX_CS_BT_709}, {
GST_VIDEO_COLORIMETRY_SMPTE240M, VPX_CS_SMPTE_240}, {
GST_VIDEO_COLORIMETRY_BT2020, VPX_CS_BT_2020}
};
colorimetry_str = gst_video_colorimetry_to_string (cinfo);
if (colorimetry_str != NULL) {
for (i = 0; i < G_N_ELEMENTS (colorimetry_map); ++i) {
if (g_strcmp0 (colorimetry_map[i].str, colorimetry_str) == 0) {
colorspace = colorimetry_map[i].vpx_color_space;
break;
}
}
}
if (colorspace == VPX_CS_UNKNOWN) {
if (format == GST_VIDEO_FORMAT_GBR
|| format == GST_VIDEO_FORMAT_GBR_10BE
|| format == GST_VIDEO_FORMAT_GBR_10LE
|| format == GST_VIDEO_FORMAT_GBR_12BE
|| format == GST_VIDEO_FORMAT_GBR_12LE) {
/* Currently has no effect because vp*enc elements only accept YUV video
* formats.
*
* FIXME: Support encoding GST_VIDEO_FORMAT_GBR and its high bits variants.
*/
colorspace = VPX_CS_SRGB;
} else {
GST_WARNING_OBJECT (encoder, "Unsupported colorspace \"%s\"",
GST_STR_NULL (colorimetry_str));
}
}
g_free (colorimetry_str);
return colorspace;
}
static gboolean
gst_vpx_enc_set_format (GstVideoEncoder * video_encoder,
GstVideoCodecState * state)
@ -1914,6 +1968,13 @@ gst_vpx_enc_set_format (GstVideoEncoder * video_encoder,
"Failed to set VP8E_SET_MAX_INTRA_BITRATE_PCT: %s",
gst_vpx_error_name (status));
}
status = vpx_codec_control (&encoder->encoder, VP9E_SET_COLOR_SPACE,
gst_vpx_get_vpx_colorspace (encoder, &GST_VIDEO_INFO_COLORIMETRY (info),
GST_VIDEO_INFO_FORMAT (info)));
if (status != VPX_CODEC_OK) {
GST_WARNING_OBJECT (encoder,
"Failed to set VP9E_SET_COLOR_SPACE: %s", gst_vpx_error_name (status));
}
if (vpx_enc_class->configure_encoder
&& !vpx_enc_class->configure_encoder (encoder)) {