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cbs_h264: Add support for mastering display SEI messages

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This commit is contained in:
Mark Thompson 2018-05-07 23:33:36 +01:00
parent d94dda742c
commit ac687add84
4 changed files with 35 additions and 0 deletions
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10
libavcodec/cbs_h264.h
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@ -306,6 +306,15 @@ typedef struct H264RawSEIDisplayOrientation {
uint8_t display_orientation_extension_flag;
} H264RawSEIDisplayOrientation;
typedef struct H264RawSEIMasteringDisplayColourVolume {
uint16_t display_primaries_x[3];
uint16_t display_primaries_y[3];
uint16_t white_point_x;
uint16_t white_point_y;
uint32_t max_display_mastering_luminance;
uint32_t min_display_mastering_luminance;
} H264RawSEIMasteringDisplayColourVolume;
typedef struct H264RawSEIPayload {
uint32_t payload_type;
uint32_t payload_size;
@ -318,6 +327,7 @@ typedef struct H264RawSEIPayload {
H264RawSEIUserDataUnregistered user_data_unregistered;
H264RawSEIRecoveryPoint recovery_point;
H264RawSEIDisplayOrientation display_orientation;
H264RawSEIMasteringDisplayColourVolume mastering_display_colour_volume;
struct {
uint8_t *data;
size_t data_length;

1
libavcodec/cbs_h2645.c
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@ -428,6 +428,7 @@ static void cbs_h264_free_sei_payload(H264RawSEIPayload *payload)
case H264_SEI_TYPE_PAN_SCAN_RECT:
case H264_SEI_TYPE_RECOVERY_POINT:
case H264_SEI_TYPE_DISPLAY_ORIENTATION:
case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
break;
case H264_SEI_TYPE_USER_DATA_REGISTERED:
av_buffer_unref(&payload->payload.user_data_registered.data_ref);

23
libavcodec/cbs_h264_syntax_template.c
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@ -740,6 +740,25 @@ static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext *
return 0;
}
static int FUNC(sei_mastering_display_colour_volume)(CodedBitstreamContext *ctx, RWContext *rw,
H264RawSEIMasteringDisplayColourVolume *current)
{
int err, c;
for (c = 0; c < 3; c++) {
us(16, display_primaries_x[c], 0, 50000, 1, c);
us(16, display_primaries_y[c], 0, 50000, 1, c);
}
u(16, white_point_x, 0, 50000);
u(16, white_point_y, 0, 50000);
u(32, max_display_mastering_luminance, 1, MAX_UINT_BITS(32));
u(32, min_display_mastering_luminance, 0, current->max_display_mastering_luminance - 1);
return 0;
}
static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw,
H264RawSEIPayload *current)
{
@ -787,6 +806,10 @@ static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw,
CHECK(FUNC(sei_display_orientation)
(ctx, rw, &current->payload.display_orientation));
break;
case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
CHECK(FUNC(sei_mastering_display_colour_volume)
(ctx, rw, &current->payload.mastering_display_colour_volume));
break;
default:
{
#ifdef READ

1
libavcodec/h264_sei.h
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@ -35,6 +35,7 @@ typedef enum {
H264_SEI_TYPE_FRAME_PACKING = 45, ///< frame packing arrangement
H264_SEI_TYPE_DISPLAY_ORIENTATION = 47, ///< display orientation
H264_SEI_TYPE_GREEN_METADATA = 56, ///< GreenMPEG information
H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME = 137, ///< mastering display properties
H264_SEI_TYPE_ALTERNATIVE_TRANSFER = 147, ///< alternative transfer
} H264_SEI_Type;