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avcodec/cbs_sei_syntax_template: add sei message sei_display_orientation

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Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
This commit is contained in:
Wu Jianhua
2025-04-27 19:44:42 +08:00
committed by Nuo Mi
parent 23e9912315
commit d140648c31
3 changed files with 31 additions and 0 deletions
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6
libavcodec/cbs_h2645.c
View File

@ -2317,6 +2317,12 @@ static const SEIMessageTypeDescriptor cbs_sei_h274_types[] = {
sizeof(SEIRawFilmGrainCharacteristics),
SEI_MESSAGE_RW(sei, film_grain_characteristics),
},
{
SEI_TYPE_DISPLAY_ORIENTATION,
1, 0,
sizeof(SEIRawDisplayOrientation),
SEI_MESSAGE_RW(sei, display_orientation)
},
SEI_MESSAGE_TYPE_END,
};

7
libavcodec/cbs_sei.h
View File

@ -118,6 +118,13 @@ typedef struct SEIRawFilmGrainCharacteristics {
uint8_t fg_characteristics_persistence_flag;
} SEIRawFilmGrainCharacteristics;
typedef struct SEIRawDisplayOrientation {
uint8_t display_orientation_cancel_flag;
uint8_t display_orientation_persistence_flag;
uint8_t display_orientation_transform_type;
uint8_t display_orientation_reserved_zero_3bits;
} SEIRawDisplayOrientation;
typedef struct SEIRawMessage {
uint32_t payload_type;
uint32_t payload_size;

18
libavcodec/cbs_sei_syntax_template.c
View File

@ -277,6 +277,24 @@ SEI_FUNC(film_grain_characteristics,
return 0;
}
SEI_FUNC(display_orientation, (CodedBitstreamContext *ctx, RWContext *rw,
SEIRawDisplayOrientation *current,
SEIMessageState *state))
{
int err;
HEADER("Display Orientation");
flag(display_orientation_cancel_flag);
if (!current->display_orientation_cancel_flag) {
flag(display_orientation_persistence_flag);
u(3, display_orientation_transform_type, 0, 7);
ub(3, display_orientation_reserved_zero_3bits);
}
return 0;
}
static int FUNC(message)(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawMessage *current)
{