31 16, 16, 16, 16, 17, 18, 21, 24,
32 16, 16, 16, 16, 17, 19, 22, 25,
33 16, 16, 17, 18, 20, 22, 25, 29,
34 16, 16, 18, 21, 24, 27, 31, 36,
35 17, 17, 20, 24, 30, 35, 41, 47,
36 18, 19, 22, 27, 35, 44, 54, 65,
37 21, 22, 25, 31, 41, 54, 70, 88,
38 24, 25, 29, 36, 47, 65, 88, 115
42 16, 16, 16, 16, 17, 18, 20, 24,
43 16, 16, 16, 17, 18, 20, 24, 25,
44 16, 16, 17, 18, 20, 24, 25, 28,
45 16, 17, 18, 20, 24, 25, 28, 33,
46 17, 18, 20, 24, 25, 28, 33, 41,
47 18, 20, 24, 25, 28, 33, 41, 54,
48 20, 24, 25, 28, 33, 41, 54, 71,
49 24, 25, 28, 33, 41, 54, 71, 91
126 unsigned abs_delta_rps;
130 if (is_slice_header) {
134 "Invalid value of delta_idx in slice header RPS: %d > %d.\n",
145 if (abs_delta_rps < 1 || abs_delta_rps > 32768) {
147 "Invalid value of abs_delta_rps: %d\n",
151 delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
158 if (used || use_delta_flag) {
159 if (i < rps_ridx->num_delta_pocs)
160 delta_poc = delta_rps + rps_ridx->
delta_poc[i];
162 delta_poc = delta_rps;
180 for (k = i - 1; k >= 0; k--) {
182 if (delta_poc < tmp) {
206 unsigned int prev, nb_positive_pics;
226 for (i = 0; i < nb_positive_pics; i++) {
260 for (i = 0; i < 32; i++) {
279 PTL *ptl,
int max_num_sub_layers)
290 for (i = 0; i < max_num_sub_layers - 1; i++) {
295 if (max_num_sub_layers - 1> 0)
296 for (i = max_num_sub_layers - 1; i < 8; i++)
298 for (i = 0; i < max_num_sub_layers - 1; i++) {
302 "PTL information for sublayer %i too short\n", i);
308 "Not enough data for sublayer %i level_idc\n", i);
319 int subpic_params_present)
323 for (i = 0; i < nb_cpb; i++) {
327 if (subpic_params_present) {
338 int nal_params_present = 0, vcl_params_present = 0;
339 int subpic_params_present = 0;
342 if (common_inf_present) {
346 if (nal_params_present || vcl_params_present) {
349 if (subpic_params_present) {
359 if (subpic_params_present)
368 for (i = 0; i < max_sublayers; i++) {
370 unsigned int nb_cpb = 1;
383 if (nb_cpb < 1 || nb_cpb > 32) {
389 if (nal_params_present)
391 if (vcl_params_present)
487 int common_inf_present = 1;
520 int apply_defdispwin,
HEVCSPS *sps)
524 int sar_present, alt = 0;
532 vui->
sar = vui_sar[sar_idx];
533 else if (sar_idx == 255) {
538 "Unknown SAR index: %u.\n", sar_idx);
583 memcpy(&backup, gb,
sizeof(backup));
592 if (apply_defdispwin &&
595 "discarding vui default display window, "
596 "original values are l:%u r:%u t:%u b:%u\n",
616 "Strange VUI timing information, retrying...\n");
619 memcpy(gb, &backup,
sizeof(backup));
653 for (matrixId = 0; matrixId < 6; matrixId++) {
655 memset(sl->
sl[0][matrixId], 16, 16);
656 sl->
sl_dc[0][matrixId] = 16;
657 sl->
sl_dc[1][matrixId] = 16;
681 uint8_t scaling_list_pred_mode_flag;
682 int32_t scaling_list_dc_coef[2][6];
683 int size_id, matrix_id, pos;
686 for (size_id = 0; size_id < 4; size_id++)
687 for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
688 scaling_list_pred_mode_flag =
get_bits1(gb);
689 if (!scaling_list_pred_mode_flag) {
695 if (matrix_id < delta) {
697 "Invalid delta in scaling list data: %d.\n", delta);
701 memcpy(sl->
sl[size_id][matrix_id],
702 sl->
sl[size_id][matrix_id - delta],
703 size_id > 0 ? 64 : 16);
705 sl->
sl_dc[size_id - 2][matrix_id] = sl->
sl_dc[size_id - 2][matrix_id -
delta];
708 int next_coef, coef_num;
709 int32_t scaling_list_delta_coef;
712 coef_num =
FFMIN(64, 1 << (4 + (size_id << 1)));
714 scaling_list_dc_coef[size_id - 2][matrix_id] =
get_se_golomb(gb) + 8;
715 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
716 sl->
sl_dc[size_id - 2][matrix_id] = next_coef;
718 for (i = 0; i < coef_num; i++) {
727 next_coef = (next_coef + scaling_list_delta_coef + 256) % 256;
728 sl->
sl[size_id][matrix_id][pos] = next_coef;
734 for (i = 0; i < 64; i++) {
735 sl->
sl[3][1][i] = sl->
sl[2][1][i];
736 sl->
sl[3][2][i] = sl->
sl[2][2][i];
737 sl->
sl[3][4][i] = sl->
sl[2][4][i];
738 sl->
sl[3][5][i] = sl->
sl[2][5][i];
780 "4:2:0, 4:2:2, 4:4:4 supports are currently specified for 8, 10 and 12 bits.\n");
782 "chroma_format_idc is %d, depth is %d",
804 int log2_diff_max_min_transform_block_size;
805 int bit_depth_chroma,
start, vui_present, sublayer_ordering_info;
816 if (vps_list && !vps_list[sps->
vps_id]) {
855 sps->
height, 0, avctx)) < 0)
867 "discarding sps conformance window, "
868 "original values are l:%u r:%u t:%u b:%u\n",
886 "Luma bit depth (%d) is different from chroma bit depth (%d), "
887 "this is unsupported.\n",
925 if (!sublayer_ordering_info) {
926 for (i = 0; i <
start; i++) {
955 if (log2_diff_max_min_transform_block_size < 0 || log2_diff_max_min_transform_block_size > 30) {
956 av_log(avctx,
AV_LOG_ERROR,
"Invalid value %d for log2_diff_max_min_transform_block_size", log2_diff_max_min_transform_block_size);
986 "PCM bit depth (%d) is greater than normal bit depth (%d)\n",
1025 decode_vui(gb, avctx, apply_defdispwin, sps);
1028 int sps_extension_flag[1];
1029 for (i = 0; i < 1; i++)
1032 if (sps_extension_flag[0]) {
1033 int extended_precision_processing_flag;
1034 int high_precision_offsets_enabled_flag;
1035 int cabac_bypass_alignment_enabled_flag;
1043 extended_precision_processing_flag =
get_bits1(gb);
1044 if (extended_precision_processing_flag)
1046 "extended_precision_processing_flag not yet implemented\n");
1049 high_precision_offsets_enabled_flag =
get_bits1(gb);
1050 if (high_precision_offsets_enabled_flag)
1052 "high_precision_offsets_enabled_flag not yet implemented\n");
1056 cabac_bypass_alignment_enabled_flag =
get_bits1(gb);
1057 if (cabac_bypass_alignment_enabled_flag)
1059 "cabac_bypass_alignment_enabled_flag not yet implemented\n");
1062 if (apply_defdispwin) {
1072 "chroma samples to preserve alignment.\n",
1087 "Displaying the whole video surface.\n");
1106 "log2_ctb_size %d differs from the bounds of any known profile\n",
1133 av_log(avctx,
AV_LOG_ERROR,
"max_transform_hierarchy_depth_inter out of range: %d\n",
1138 av_log(avctx,
AV_LOG_ERROR,
"max_transform_hierarchy_depth_intra out of range: %d\n",
1144 "max transform block size out of range: %d\n",
1163 unsigned int sps_id;
1182 "Parsed SPS: id %d; coded wxh: %dx%d; "
1183 "cropped wxh: %dx%d; pix_fmt: %s.\n",
1235 "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n");
1242 "cb_qp_offset_list not tested yet.\n");
1247 "cb_qp_offset_list not tested yet.\n");
1261 int pic_area_in_ctbs;
1262 int i, j, x, y, ctb_addr_rs, tile_id;
1318 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1319 int tb_x = ctb_addr_rs % sps->
ctb_width;
1320 int tb_y = ctb_addr_rs / sps->
ctb_width;
1326 if (tb_x < pps->col_bd[i + 1]) {
1333 if (tb_y < pps->row_bd[i + 1]) {
1339 for (i = 0; i < tile_x; i++)
1341 for (i = 0; i < tile_y; i++)
1345 tb_x - pps->
col_bd[tile_x];
1353 for (y = pps->
row_bd[j]; y < pps->row_bd[j + 1]; y++)
1354 for (x = pps->
col_bd[i]; x < pps->col_bd[i + 1]; x++)
1368 for (y = 0; y < sps->
tb_mask+2; y++) {
1372 for (y = 0; y < sps->
tb_mask+1; y++) {
1373 for (x = 0; x < sps->
tb_mask+1; x++) {
1374 int tb_x = x >> log2_diff;
1375 int tb_y = y >> log2_diff;
1378 for (i = 0; i < log2_diff; i++) {
1380 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1394 unsigned int pps_id = 0;
1590 int pps_range_extensions_flag =
get_bits1(gb);
static unsigned int show_bits_long(GetBitContext *s, int n)
Show 0-32 bits.
unsigned int log2_min_cb_size
const char const char void * val
uint8_t log2_sao_offset_scale_luma
int min_spatial_segmentation_idc
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
ptrdiff_t const GLvoid * data
uint8_t diff_cu_chroma_qp_offset_depth
static int get_se_golomb(GetBitContext *gb)
read signed exp golomb code.
int vui_num_ticks_poc_diff_one_minus1
int max_dec_pic_buffering
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
int transform_skip_rotation_enabled_flag
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
int8_t cb_qp_offset_list[5]
unsigned int * row_height
RowHeight.
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
#define MAX_LOG2_CTB_SIZE
#define FF_DEBUG_BITSTREAM
const uint8_t ff_hevc_diag_scan4x4_x[16]
uint8_t weighted_bipred_flag
int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
uint8_t seq_loop_filter_across_slices_enabled_flag
uint8_t cabac_init_present_flag
int chroma_loc_info_present_flag
static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb, int subpic_params_present)
#define AV_PIX_FMT_YUV420P12
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
int explicit_rdpcm_enabled_flag
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
static const AVRational vui_sar[]
AVBufferRef * vps_list[MAX_VPS_COUNT]
ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT]
int chroma_sample_loc_type_top_field
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
uint8_t entropy_coding_sync_enabled_flag
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
uint8_t log2_sao_offset_scale_chroma
int restricted_ref_pic_lists_flag
#define av_assert0(cond)
assert() equivalent, that is always enabled.
static void remove_vps(HEVCParamSets *s, int id)
unsigned int log2_max_trafo_size
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
uint8_t profile_compatibility_flag[32]
static int decode_hrd(GetBitContext *gb, int common_inf_present, int max_sublayers)
unsigned int num_negative_pics
uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS]
static void remove_pps(HEVCParamSets *s, int id)
static const uint8_t default_scaling_list_inter[]
unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS]
uint8_t log2_max_transform_skip_block_size
int overscan_info_present_flag
uint8_t vps_timing_info_present_flag
#define AV_CODEC_FLAG_UNALIGNED
Allow decoders to produce frames with data planes that are not aligned to CPU requirements (e...
#define FF_PROFILE_HEVC_MAIN
int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
Parse the SPS from the bitstream into the provided HEVCSPS struct.
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
unsigned int log2_min_pcm_cb_size
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
int frame_field_info_present_flag
uint8_t scaling_list_data_present_flag
uint8_t loop_filter_disable_flag
static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
#define AV_PIX_FMT_YUV422P12
#define FF_PROFILE_HEVC_MAIN_10
int bitstream_restriction_flag
uint8_t transquant_bypass_enable_flag
int8_t cr_qp_offset_list[5]
static int get_bits_left(GetBitContext *gb)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t frame_only_constraint_flag
#define AV_CODEC_FLAG2_IGNORE_CROP
Discard cropping information from SPS.
unsigned int log2_max_poc_lsb
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
int persistent_rice_adaptation_enabled_flag
coded frame dimension in various units
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
int vui_timing_info_present_flag
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define MAX_SHORT_TERM_RPS_COUNT
unsigned int log2_ctb_size
int flags
AV_CODEC_FLAG_*.
int vui_poc_proportional_to_timing_flag
#define AV_PIX_FMT_YUV444P10
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
uint8_t vps_temporal_id_nesting_flag
int motion_vectors_over_pic_boundaries_flag
uint8_t tiles_enabled_flag
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
uint32_t vps_num_units_in_tick
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
#define AV_PIX_FMT_YUV422P9
uint8_t lists_modification_present_flag
int * min_tb_addr_zs_tab
MinTbAddrZS.
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx, HEVCPPS *pps, HEVCSPS *sps)
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
#define AV_PIX_FMT_GRAY16
int max_transform_hierarchy_depth_inter
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
uint8_t vps_poc_proportional_to_timing_flag
int num_tile_columns
num_tile_columns_minus1 + 1
AVBufferRef * pps_list[MAX_PPS_COUNT]
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE
int max_bits_per_min_cu_denom
uint8_t cu_qp_delta_enabled_flag
uint8_t used_by_curr_pic_lt_sps_flag[32]
uint8_t sign_data_hiding_flag
#define AV_EF_EXPLODE
abort decoding on minor error detection
uint8_t output_flag_present_flag
int log2_max_mv_length_vertical
#define AV_PIX_FMT_YUV444P9
int max_bytes_per_pic_denom
int overscan_appropriate_flag
static void set_default_scaling_list_data(ScalingList *sl)
int implicit_rdpcm_enabled_flag
#define FF_ARRAY_ELEMS(a)
uint8_t constrained_intra_pred_flag
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
static unsigned get_ue_golomb_long(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
int colour_description_present_flag
uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS]
enum AVPixelFormat pix_fmt
static int get_se_golomb_long(GetBitContext *gb)
#define AV_LOG_INFO
Standard information.
uint8_t transform_skip_enabled_flag
uint8_t uniform_spacing_flag
static void decode_vui(GetBitContext *gb, AVCodecContext *avctx, int apply_defdispwin, HEVCSPS *sps)
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
unsigned int log2_min_pu_size
unsigned int sps_id
seq_parameter_set_id
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
main external API structure.
static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx, PTL *ptl, int max_num_sub_layers)
int log2_max_mv_length_horizontal
int num_extra_slice_header_bits
uint8_t * data
The data buffer.
uint8_t loop_filter_across_tiles_enabled_flag
uint8_t num_long_term_ref_pics_sps
uint8_t cross_component_prediction_enabled_flag
uint32_t vui_num_units_in_tick
AVBufferRef * av_buffer_allocz(int size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
uint8_t deblocking_filter_control_present_flag
static unsigned int get_bits1(GetBitContext *s)
int transform_skip_context_enabled_flag
static void skip_bits1(GetBitContext *s)
#define AV_PIX_FMT_YUV420P10
uint8_t sps_temporal_mvp_enabled_flag
int chroma_sample_loc_type_bottom_field
int num_tile_rows
num_tile_rows_minus1 + 1
static void skip_bits(GetBitContext *s, int n)
uint8_t chroma_qp_offset_list_enabled_flag
const uint8_t ff_hevc_diag_scan8x8_y[64]
rational number numerator/denominator
int vps_num_hrd_parameters
#define MAX_SUB_LAYERS
7.4.2.1
static void hevc_pps_free(void *opaque, uint8_t *data)
unsigned int log2_min_tb_size
uint16_t lt_ref_pic_poc_lsb_sps[32]
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
#define AV_PIX_FMT_YUV420P9
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
static unsigned int get_bits_long(GetBitContext *s, int n)
Read 0-32 bits.
uint8_t scaling_list_enable_flag
static const uint8_t default_scaling_list_intra[]
struct HEVCSPS::@52 temporal_layer[MAX_SUB_LAYERS]
int tc_offset
tc_offset_div2 * 2
uint8_t transfer_characteristic
int default_display_window_flag
int size
Size of data in bytes.
#define AV_PIX_FMT_YUV422P10
unsigned int log2_diff_max_min_coding_block_size
#define AV_PIX_FMT_YUV444P12
static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingList *sl, HEVCSPS *sps)
unsigned int log2_max_pcm_cb_size
static int setup_pps(AVCodecContext *avctx, GetBitContext *gb, HEVCPPS *pps, HEVCSPS *sps)
int neutra_chroma_indication_flag
int * tile_pos_rs
TilePosRS.
A reference to a data buffer.
int max_transform_hierarchy_depth_intra
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
unsigned int * row_bd
RowBd.
uint8_t weighted_pred_flag
unsigned int * col_bd
ColBd.
unsigned int * column_width
ColumnWidth.
uint8_t slice_header_extension_present_flag
static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx, PTLCommon *ptl)
int video_full_range_flag
PTLCommon sub_layer_ptl[MAX_SUB_LAYERS]
uint8_t chroma_qp_offset_list_len_minus1
#define FF_PROFILE_HEVC_REXT
uint8_t sps_strong_intra_smoothing_enable_flag
int rps_idx_num_delta_pocs
unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS]
uint8_t long_term_ref_pics_present_flag
unsigned int vps_max_latency_increase[MAX_SUB_LAYERS]
int flags2
AV_CODEC_FLAG2_*.
int vui_hrd_parameters_present_flag
unsigned int right_offset
int diff_cu_qp_delta_depth
const uint8_t ff_hevc_diag_scan8x8_x[64]
static void remove_sps(HEVCParamSets *s, int id)
uint8_t progressive_source_flag
#define av_malloc_array(a, b)
int video_signal_type_present_flag
uint8_t deblocking_filter_override_enabled_flag
int beta_offset
beta_offset_div2 * 2
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
int * min_tb_addr_zs
MinTbAddrZS.
uint8_t non_packed_constraint_flag
int intra_smoothing_disabled_flag
int tiles_fixed_structure_flag
uint8_t interlaced_source_flag
AVBufferRef * sps_list[MAX_SPS_COUNT]
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
const uint8_t ff_hevc_diag_scan4x4_y[16]
unsigned int bottom_offset
int vps_sub_layer_ordering_info_present_flag
uint8_t dependent_slice_segments_enabled_flag