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avformat/av1: add color config values to AV1SequenceParameters 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-07-30 11:43:02 -03:00
parent db6ed2b828
commit 0c7cfd2c19
1 changed files with 18 additions and 14 deletions
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32
libavformat/av1.c
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@ -86,6 +86,11 @@ typedef struct AV1SequenceParameters {
uint8_t chroma_subsampling_x;
uint8_t chroma_subsampling_y;
uint8_t chroma_sample_position;
uint8_t color_description_present_flag;
uint8_t color_primaries;
uint8_t transfer_characteristics;
uint8_t matrix_coefficients;
uint8_t color_range;
} AV1SequenceParameters;
static inline void uvlc(GetBitContext *gb)
@ -106,8 +111,6 @@ static inline void uvlc(GetBitContext *gb)
static int parse_color_config(AV1SequenceParameters *seq_params, GetBitContext *gb)
{
int color_primaries, transfer_characteristics, matrix_coefficients;
seq_params->high_bitdepth = get_bits1(gb);
if (seq_params->seq_profile == FF_PROFILE_AV1_PROFESSIONAL && seq_params->high_bitdepth)
seq_params->twelve_bit = get_bits1(gb);
@ -117,29 +120,30 @@ static int parse_color_config(AV1SequenceParameters *seq_params, GetBitContext *
else
seq_params->monochrome = get_bits1(gb);
if (get_bits1(gb)) { // color_description_present_flag
color_primaries = get_bits(gb, 8);
transfer_characteristics = get_bits(gb, 8);
matrix_coefficients = get_bits(gb, 8);
seq_params->color_description_present_flag = get_bits1(gb);
if (seq_params->color_description_present_flag) {
seq_params->color_primaries = get_bits(gb, 8);
seq_params->transfer_characteristics = get_bits(gb, 8);
seq_params->matrix_coefficients = get_bits(gb, 8);
} else {
color_primaries = AVCOL_PRI_UNSPECIFIED;
transfer_characteristics = AVCOL_TRC_UNSPECIFIED;
matrix_coefficients = AVCOL_SPC_UNSPECIFIED;
seq_params->color_primaries = AVCOL_PRI_UNSPECIFIED;
seq_params->transfer_characteristics = AVCOL_TRC_UNSPECIFIED;
seq_params->matrix_coefficients = AVCOL_SPC_UNSPECIFIED;
}
if (seq_params->monochrome) {
skip_bits1(gb); // color_range
seq_params->color_range = get_bits1(gb);
seq_params->chroma_subsampling_x = 1;
seq_params->chroma_subsampling_y = 1;
seq_params->chroma_sample_position = 0;
return 0;
} else if (color_primaries == AVCOL_PRI_BT709 &&
transfer_characteristics == AVCOL_TRC_IEC61966_2_1 &&
matrix_coefficients == AVCOL_SPC_RGB) {
} else if (seq_params->color_primaries == AVCOL_PRI_BT709 &&
seq_params->transfer_characteristics == AVCOL_TRC_IEC61966_2_1 &&
seq_params->matrix_coefficients == AVCOL_SPC_RGB) {
seq_params->chroma_subsampling_x = 0;
seq_params->chroma_subsampling_y = 0;
} else {
skip_bits1(gb); // color_range
seq_params->color_range = get_bits1(gb);
if (seq_params->seq_profile == FF_PROFILE_AV1_MAIN) {
seq_params->chroma_subsampling_x = 1;