mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-23 10:11:08 +00:00
Code Issues 1 Projects Releases Wiki Activity

h265parser: Add parsing mastering display colour volume SEI message

Browse source 
... and content light level SEI message. Those SEI messages are required
for HDR rendering.
This commit is contained in:
Seungha Yang 2019-04-26 20:11:12 +09:00 committed by Sebastian Dröge
parent 1465a7ecdd
commit bd91ebd6e4
2 changed files with 91 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

49
gst-libs/gst/codecparsers/gsth265parser.c
View file

@ -1182,6 +1182,47 @@ error:
return GST_H265_PARSER_ERROR;
}
static GstH265ParserResult
gst_h265_parser_parse_mastering_display_colour_volume (GstH265Parser * parser,
GstH265MasteringDisplayColourVolume * mdcv, NalReader * nr)
{
guint i;
GST_DEBUG ("parsing \"Mastering display colour volume\"");
for (i = 0; i < 3; i++) {
READ_UINT16 (nr, mdcv->display_primaries_x[i], 16);
READ_UINT16 (nr, mdcv->display_primaries_y[i], 16);
}
READ_UINT16 (nr, mdcv->white_point_x, 16);
READ_UINT16 (nr, mdcv->white_point_y, 16);
READ_UINT32 (nr, mdcv->max_display_mastering_luminance, 32);
READ_UINT32 (nr, mdcv->min_display_mastering_luminance, 32);
return GST_H265_PARSER_OK;
error:
GST_WARNING ("error parsing \"Mastering display colour volume\"");
return GST_H265_PARSER_ERROR;
}
static GstH265ParserResult
gst_h265_parser_parse_content_light_level_info (GstH265Parser * parser,
GstH265ContentLightLevel * cll, NalReader * nr)
{
GST_DEBUG ("parsing \"Content light level\"");
READ_UINT16 (nr, cll->max_content_light_level, 16);
READ_UINT16 (nr, cll->max_pic_average_light_level, 16);
return GST_H265_PARSER_OK;
error:
GST_WARNING ("error parsing \"Content light level\"");
return GST_H265_PARSER_ERROR;
}
/******** API *************/
/**
@ -2441,6 +2482,14 @@ gst_h265_parser_parse_sei_message (GstH265Parser * parser,
res = gst_h265_parser_parse_time_code (parser,
&sei->payload.time_code, nr);
break;
case GST_H265_SEI_MASTERING_DISPLAY_COLOUR_VOLUME:
res = gst_h265_parser_parse_mastering_display_colour_volume (parser,
&sei->payload.mastering_display_colour_volume, nr);
break;
case GST_H265_SEI_CONTENT_LIGHT_LEVEL:
res = gst_h265_parser_parse_content_light_level_info (parser,
&sei->payload.content_light_level, nr);
break;
default:
/* Just consume payloadSize bytes, which does not account for
emulation prevention bytes */

42
gst-libs/gst/codecparsers/gsth265parser.h
View file

@ -222,6 +222,8 @@ typedef enum
* @GST_H265_SEI_PIC_TIMING: Picture Timing SEI Message
* @GST_H265_SEI_RECOVERY_POINT: Recovery Point SEI Message (D.3.8)
* @GST_H265_SEI_TIME_CODE: Time code SEI message (D.2.27) (Since: 1.16)
* @GST_H265_SEI_MASTERING_DISPLAY_COLOUR_VOLUME: Mastering display colour volume information SEI message (D.2.28) (Since: 1.18)
* @GST_H265_SEI_CONTENT_LIGHT_LEVEL: Content light level information SEI message (D.2.35) (Since: 1.18)
* ...
*
* The type of SEI message.
@ -232,6 +234,8 @@ typedef enum
GST_H265_SEI_PIC_TIMING = 1,
GST_H265_SEI_RECOVERY_POINT = 6,
GST_H265_SEI_TIME_CODE = 136,
GST_H265_SEI_MASTERING_DISPLAY_COLOUR_VOLUME = 137,
GST_H265_SEI_CONTENT_LIGHT_LEVEL = 144,
/* and more... */
} GstH265SEIPayloadType;
@ -321,6 +325,8 @@ typedef struct _GstH265PicTiming GstH265PicTiming;
typedef struct _GstH265BufferingPeriod GstH265BufferingPeriod;
typedef struct _GstH265RecoveryPoint GstH265RecoveryPoint;
typedef struct _GstH265TimeCode GstH265TimeCode;
typedef struct _GstH265MasteringDisplayColourVolume GstH265MasteringDisplayColourVolume;
typedef struct _GstH265ContentLightLevel GstH265ContentLightLevel;
typedef struct _GstH265SEIMessage GstH265SEIMessage;
/**
@ -1199,6 +1205,40 @@ struct _GstH265TimeCode
guint32 time_offset_value[3];
};
/**
* GstH265MasteringDisplayColourVolume:
* The colour volume (primaries, white point and luminance range) of display
* defined by SMPTE ST 2086.
*
* D.2.28
*
* Since: 1.18
*/
struct _GstH265MasteringDisplayColourVolume
{
guint16 display_primaries_x[3];
guint16 display_primaries_y[3];
guint16 white_point_x;
guint16 white_point_y;
guint32 max_display_mastering_luminance;
guint32 min_display_mastering_luminance;
};
/**
* GstH265ContentLightLevel:
* The upper bounds for the nominal target brightness light level
* as specified in CEA-861.3
*
* D.2.35
*
* Since: 1.18
*/
struct _GstH265ContentLightLevel
{
guint16 max_content_light_level;
guint16 max_pic_average_light_level;
};
struct _GstH265SEIMessage
{
GstH265SEIPayloadType payloadType;
@ -1208,6 +1248,8 @@ struct _GstH265SEIMessage
GstH265PicTiming pic_timing;
GstH265RecoveryPoint recovery_point;
GstH265TimeCode time_code;
GstH265MasteringDisplayColourVolume mastering_display_colour_volume;
GstH265ContentLightLevel content_light_level;
/* ... could implement more */
} payload;
};