32 16, 16, 16, 16, 17, 18, 21, 24,
33 16, 16, 16, 16, 17, 19, 22, 25,
34 16, 16, 17, 18, 20, 22, 25, 29,
35 16, 16, 18, 21, 24, 27, 31, 36,
36 17, 17, 20, 24, 30, 35, 41, 47,
37 18, 19, 22, 27, 35, 44, 54, 65,
38 21, 22, 25, 31, 41, 54, 70, 88,
39 24, 25, 29, 36, 47, 65, 88, 115
43 16, 16, 16, 16, 17, 18, 20, 24,
44 16, 16, 16, 17, 18, 20, 24, 25,
45 16, 16, 17, 18, 20, 24, 25, 28,
46 16, 17, 18, 20, 24, 25, 28, 33,
47 17, 18, 20, 24, 25, 28, 33, 41,
48 18, 20, 24, 25, 28, 33, 41, 54,
49 20, 24, 25, 28, 33, 41, 54, 71,
50 24, 25, 28, 33, 41, 54, 71, 91
74 const HEVCSPS *sps,
int is_slice_header)
91 int delta_rps, abs_delta_rps;
95 if (is_slice_header) {
99 "Invalid value of delta_idx in slice header RPS: %d > %d.\n",
109 delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
116 if (used || use_delta_flag) {
117 if (i < rps_ridx->num_delta_pocs)
118 delta_poc = delta_rps + rps_ridx->
delta_poc[i];
120 delta_poc = delta_rps;
138 for (k = i - 1; k >= 0; k--) {
140 if (delta_poc < tmp) {
164 unsigned int prev, nb_positive_pics;
184 for (i = 0; i < nb_positive_pics; i++) {
213 for (i = 0; i < 32; i++)
232 for (i = 0; i < max_num_sub_layers - 1; i++) {
236 if (max_num_sub_layers - 1 > 0)
237 for (i = max_num_sub_layers - 1; i < 8; i++)
239 for (i = 0; i < max_num_sub_layers - 1; i++) {
248 int subpic_params_present)
253 for (i = 0; i < nb_cpb; i++) {
257 if (subpic_params_present) {
269 int nal_params_present = 0, vcl_params_present = 0;
270 int subpic_params_present = 0;
273 if (common_inf_present) {
277 if (nal_params_present || vcl_params_present) {
280 if (subpic_params_present) {
290 if (subpic_params_present)
299 for (i = 0; i < max_sublayers; i++) {
301 unsigned int nb_cpb = 1;
315 if (nal_params_present)
317 if (vcl_params_present)
399 int common_inf_present = 1;
430 vui->
sar = vui_sar[sar_idx];
431 else if (sar_idx == 255) {
436 "Unknown SAR index: %u.\n", sar_idx);
486 "discarding vui default display window, "
487 "original values are l:%u r:%u t:%u b:%u\n",
529 for (matrixId = 0; matrixId < 6; matrixId++) {
531 memset(sl->
sl[0][matrixId], 16, 16);
532 sl->
sl_dc[0][matrixId] = 16;
533 sl->
sl_dc[1][matrixId] = 16;
554 uint8_t scaling_list_pred_mode_flag[4][6];
555 int32_t scaling_list_dc_coef[2][6];
556 int size_id, matrix_id, i, pos;
558 for (size_id = 0; size_id < 4; size_id++)
559 for (matrix_id = 0; matrix_id < (size_id == 3 ? 2 : 6); matrix_id++) {
560 scaling_list_pred_mode_flag[size_id][matrix_id] =
get_bits1(gb);
561 if (!scaling_list_pred_mode_flag[size_id][matrix_id]) {
567 if (matrix_id < delta) {
569 "Invalid delta in scaling list data: %d.\n", delta);
573 memcpy(sl->
sl[size_id][matrix_id],
574 sl->
sl[size_id][matrix_id - delta],
575 size_id > 0 ? 64 : 16);
577 sl->
sl_dc[size_id - 2][matrix_id] = sl->
sl_dc[size_id - 2][matrix_id -
delta];
580 int next_coef, coef_num;
581 int32_t scaling_list_delta_coef;
584 coef_num =
FFMIN(64, 1 << (4 + (size_id << 1)));
586 scaling_list_dc_coef[size_id - 2][matrix_id] =
get_se_golomb(gb) + 8;
587 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
588 sl->
sl_dc[size_id - 2][matrix_id] = next_coef;
590 for (i = 0; i < coef_num; i++) {
599 next_coef = (next_coef + scaling_list_delta_coef + 256) % 256;
600 sl->
sl[size_id][matrix_id][pos] = next_coef;
613 unsigned int sps_id = 0;
614 int log2_diff_max_min_transform_block_size;
615 int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
687 "discarding sps conformance window, "
688 "original values are l:%u r:%u t:%u b:%u\n",
704 if (bit_depth_chroma != sps->
bit_depth) {
706 "Luma bit depth (%d) is different from chroma bit depth (%d), "
707 "this is unsupported.\n",
726 "non-4:2:0 support is currently unspecified.\n");
770 if (!sublayer_ordering_info) {
771 for (i = 0; i < start; i++) {
816 "PCM bit depth (%d) is greater than normal bit depth (%d)\n",
865 "chroma samples to preserve alignment.\n",
880 "Displaying the whole video surface.\n");
929 "max transform block size out of range: %d\n",
936 "Parsed SPS: id %d; coded wxh: %dx%d; "
937 "cropped wxh: %dx%d; pix_fmt: %s.\n",
988 int pic_area_in_ctbs, pic_area_in_min_cbs, pic_area_in_min_tbs;
989 int log2_diff_ctb_min_tb_size;
990 int i, j, x, y, ctb_addr_rs, tile_id;
992 unsigned int pps_id = 0;
1241 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1242 int tb_x = ctb_addr_rs % sps->
ctb_width;
1243 int tb_y = ctb_addr_rs / sps->
ctb_width;
1249 if (tb_x < pps->col_bd[i + 1]) {
1256 if (tb_y < pps->row_bd[i + 1]) {
1262 for (i = 0; i < tile_x; i++)
1264 for (i = 0; i < tile_y; i++)
1268 tb_x - pps->
col_bd[tile_x];
1276 for (y = pps->
row_bd[j]; y < pps->row_bd[j + 1]; y++)
1277 for (x = pps->
col_bd[i]; x < pps->col_bd[i + 1]; x++)
1294 int ctb_addr_rs = sps->
ctb_width * tb_y + tb_x;
1299 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1308 int tb_x = x >> log2_diff_ctb_min_tb_size;
1309 int tb_y = y >> log2_diff_ctb_min_tb_size;
1310 int ctb_addr_rs = sps->
ctb_width * tb_y + tb_x;
1312 (log2_diff_ctb_min_tb_size * 2);
1313 for (i = 0; i < log2_diff_ctb_min_tb_size; i++) {
1315 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
unsigned int log2_min_cb_size
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)
#define CODEC_FLAG_UNALIGNED
Allow decoders to produce frames with data planes that are not aligned to CPU requirements (e...
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
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define CODEC_FLAG2_IGNORE_CROP
Discard cropping information from SPS.
int ff_hevc_decode_nal_sps(HEVCContext *s)
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
uint8_t weighted_bipred_flag
uint8_t seq_loop_filter_across_slices_enabled_flag
uint8_t cabac_init_present_flag
int chroma_loc_info_present_flag
#define FF_ARRAY_ELEMS(a)
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
static const AVRational vui_sar[]
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
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
int restricted_ref_pic_lists_flag
unsigned int log2_max_trafo_size
uint8_t profile_compatibility_flag[32]
unsigned int num_negative_pics
uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS]
int * min_cb_addr_zs
MinCbAddrZS.
static const uint8_t default_scaling_list_inter[]
unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS]
int overscan_info_present_flag
uint8_t vps_timing_info_present_flag
#define FF_PROFILE_HEVC_MAIN
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
static void decode_hrd(HEVCContext *s, int common_inf_present, int max_sublayers)
int ff_hevc_decode_nal_vps(HEVCContext *s)
uint8_t loop_filter_disable_flag
int ff_hevc_decode_nal_pps(HEVCContext *s)
#define FF_PROFILE_HEVC_MAIN_10
int bitstream_restriction_flag
uint8_t transquant_bypass_enable_flag
static void parse_ptl(HEVCContext *s, PTL *ptl, int max_num_sub_layers)
static void decode_profile_tier_level(HEVCContext *s, PTLCommon *ptl)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t frame_only_constraint_flag
unsigned int log2_max_poc_lsb
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
AVBufferRef * vps_list[MAX_VPS_COUNT]
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
void av_log(void *avcl, int level, const char *fmt,...)
int vui_poc_proportional_to_timing_flag
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
uint32_t vps_num_units_in_tick
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
uint8_t lists_modification_present_flag
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...
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
int max_transform_hierarchy_depth_inter
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_...
uint8_t vps_poc_proportional_to_timing_flag
int num_tile_columns
num_tile_columns_minus1 + 1
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE
AVBufferRef * sps_list[MAX_SPS_COUNT]
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
uint8_t output_flag_present_flag
int log2_max_mv_length_vertical
const uint8_t ff_hevc_diag_scan4x4_y[16]
int max_bytes_per_pic_denom
static int scaling_list_data(HEVCContext *s, ScalingList *sl)
int overscan_appropriate_flag
static void set_default_scaling_list_data(ScalingList *sl)
AVBufferRef * pps_list[MAX_PPS_COUNT]
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.
#define AVERROR_PATCHWELCOME
Not yet implemented in Libav, patches welcome.
int colour_description_present_flag
uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS]
enum AVPixelFormat pix_fmt
uint8_t transform_skip_enabled_flag
uint8_t uniform_spacing_flag
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...
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
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)
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)
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]
#define AV_PIX_FMT_YUV420P9
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[]
int tc_offset
tc_offset_div2 * 2
uint8_t transfer_characteristic
int default_display_window_flag
int size
Size of data in bytes.
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
unsigned int log2_diff_max_min_coding_block_size
static void * av_malloc_array(size_t nmemb, size_t size)
unsigned int log2_max_pcm_cb_size
struct HEVCSPS::@23 temporal_layer[MAX_SUB_LAYERS]
int neutra_chroma_indication_flag
int * tile_pos_rs
TilePosRS.
static void decode_vui(HEVCContext *s, HEVCSPS *sps)
const uint8_t ff_hevc_diag_scan8x8_x[64]
A reference to a data buffer.
int max_transform_hierarchy_depth_intra
coded frame dimension in various units
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
int video_full_range_flag
PTLCommon sub_layer_ptl[MAX_SUB_LAYERS]
uint8_t sps_strong_intra_smoothing_enable_flag
int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
const uint8_t ff_hevc_diag_scan4x4_x[16]
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]
static void decode_sublayer_hrd(HEVCContext *s, unsigned int nb_cpb, int subpic_params_present)
int vui_hrd_parameters_present_flag
int diff_cu_qp_delta_depth
const uint8_t ff_hevc_diag_scan8x8_y[64]
uint8_t progressive_source_flag
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 tiles_fixed_structure_flag
uint8_t interlaced_source_flag
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
int vps_sub_layer_ordering_info_present_flag
uint8_t dependent_slice_segments_enabled_flag