cbs_av1.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/pixfmt.h"
#include "cbs.h"
#include "cbs_internal.h"
#include "cbs_av1.h"
#include "internal.h"
#include "cbs_av1_syntax_template.c"

Go to the source code of this file.

Macros
#define	HEADER(name)
#define	CHECK(call)
#define	FUNC_NAME(rw, codec, name)   cbs_ ## codec ## _ ## rw ## _ ## name
#define	FUNC_AV1(rw, name)   FUNC_NAME(rw, av1, name)
#define	FUNC(name)   FUNC_AV1(READWRITE, name)
#define	SUBSCRIPTS(subs,...)   (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)
#define	fb(width, name)   xf(width, name, current->name, 0, MAX_UINT_BITS(width), 0)
#define	fc(width, name, range_min, range_max)   xf(width, name, current->name, range_min, range_max, 0)
#define	flag(name)   fb(1, name)
#define	su(width, name)   xsu(width, name, current->name, 0)
#define	fbs(width, name, subs,...)   xf(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)
#define	fcs(width, name, range_min, range_max, subs,...)   xf(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define	flags(name, subs,...)   xf(1, name, current->name, 0, 1, subs, __VA_ARGS__)
#define	sus(width, name, subs,...)   xsu(width, name, current->name, subs, __VA_ARGS__)
#define	fixed(width, name, value)
#define	READ
#define	READWRITE   read
#define	RWContext   GetBitContext
#define	xf(width, name, var, range_min, range_max, subs,...)
#define	xsu(width, name, var, subs,...)
#define	uvlc(name, range_min, range_max)
#define	ns(max_value, name, subs,...)
#define	increment(name, min, max)
#define	subexp(name, max, subs,...)
#define	delta_q(name)
#define	leb128(name)
#define	infer(name, value)
#define	byte_alignment(rw)   (get_bits_count(rw) % 8)
#define	WRITE
#define	READWRITE   write
#define	RWContext   PutBitContext
#define	xf(width, name, var, range_min, range_max, subs,...)
#define	xsu(width, name, var, subs,...)
#define	uvlc(name, range_min, range_max)
#define	ns(max_value, name, subs,...)
#define	increment(name, min, max)
#define	subexp(name, max, subs,...)
#define	delta_q(name)
#define	leb128(name)
#define	infer(name, value)
#define	byte_alignment(rw)   (put_bits_count(rw) % 8)

Functions
static int	cbs_av1_read_uvlc (CodedBitstreamContext *ctx, GetBitContext *gbc, const char *name, uint32_t *write_to, uint32_t range_min, uint32_t range_max)
static int	cbs_av1_write_uvlc (CodedBitstreamContext *ctx, PutBitContext *pbc, const char *name, uint32_t value, uint32_t range_min, uint32_t range_max)
static int	cbs_av1_read_leb128 (CodedBitstreamContext *ctx, GetBitContext *gbc, const char *name, uint64_t *write_to)
static int	cbs_av1_write_leb128 (CodedBitstreamContext *ctx, PutBitContext *pbc, const char *name, uint64_t value)
static int	cbs_av1_read_su (CodedBitstreamContext *ctx, GetBitContext *gbc, int width, const char *name, const int *subscripts, int32_t *write_to)
static int	cbs_av1_write_su (CodedBitstreamContext *ctx, PutBitContext *pbc, int width, const char *name, const int *subscripts, int32_t value)
static int	cbs_av1_read_ns (CodedBitstreamContext *ctx, GetBitContext *gbc, uint32_t n, const char *name, const int *subscripts, uint32_t *write_to)
static int	cbs_av1_write_ns (CodedBitstreamContext *ctx, PutBitContext *pbc, uint32_t n, const char *name, const int *subscripts, uint32_t value)
static int	cbs_av1_read_increment (CodedBitstreamContext *ctx, GetBitContext *gbc, uint32_t range_min, uint32_t range_max, const char *name, uint32_t *write_to)
static int	cbs_av1_write_increment (CodedBitstreamContext *ctx, PutBitContext *pbc, uint32_t range_min, uint32_t range_max, const char *name, uint32_t value)
static int	cbs_av1_read_subexp (CodedBitstreamContext *ctx, GetBitContext *gbc, uint32_t range_max, const char *name, const int *subscripts, uint32_t *write_to)
static int	cbs_av1_write_subexp (CodedBitstreamContext *ctx, PutBitContext *pbc, uint32_t range_max, const char *name, const int *subscripts, uint32_t value)
static int	cbs_av1_tile_log2 (int blksize, int target)
static int	cbs_av1_get_relative_dist (const AV1RawSequenceHeader *seq, unsigned int a, unsigned int b)
static int	cbs_av1_split_fragment (CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, int header)
static void	cbs_av1_free_tile_data (AV1RawTileData *td)
static void	cbs_av1_free_metadata (AV1RawMetadata *md)
static void	cbs_av1_free_obu (void *unit, uint8_t *content)
static int	cbs_av1_ref_tile_data (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit, GetBitContext *gbc, AV1RawTileData *td)
static int	cbs_av1_read_unit (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit)
static int	cbs_av1_write_obu (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit, PutBitContext *pbc)
static int	cbs_av1_write_unit (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit)
static int	cbs_av1_assemble_fragment (CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
static void	cbs_av1_close (CodedBitstreamContext *ctx)

Variables
const CodedBitstreamType	ff_cbs_type_av1

Macro Definition Documentation

#define HEADER

(

name

)

Value:

do { \
        ff_cbs_trace_header(ctx, name); \
    } while (0)

Definition at line 568 of file cbs_av1.c.

Referenced by application_data(), aud(), comment(), dht(), dqt(), end_of_sequence(), end_of_stream(), extension_data(), filler(), frame(), frame_header(), frame_header_obu(), group_of_pictures_header(), obu_header(), picture_coding_extension(), picture_display_extension(), picture_header(), pps(), quant_matrix_extension(), scan_header(), sei(), sei_buffering_period(), sei_display_orientation(), sei_mastering_display_colour_volume(), sei_pan_scan_rect(), sei_pic_timing(), sei_recovery_point(), sei_user_data_registered(), sei_user_data_unregistered(), sequence_display_extension(), sequence_extension(), sequence_header(), sequence_header_obu(), slice_header(), slice_segment_header(), sps(), sps_extension(), superframe_index(), temporal_delimiter_obu(), tile_group_obu(), user_data(), and vps().

#define CHECK

(

call

)

Value:

do { \
        err = (call); \
        if (err < 0) \
            return err; \
    } while (0)

Definition at line 572 of file cbs_av1.c.

#define FUNC_NAME	(		rw,
			codec,
			name
	)		cbs_ ## codec ## _ ## rw ## _ ## name

Definition at line 578 of file cbs_av1.c.

#define FUNC_AV1	(		rw,
			name
	)		FUNC_NAME(rw, av1, name)

Definition at line 579 of file cbs_av1.c.

#define FUNC

(

name

)

FUNC_AV1(READWRITE, name)

Definition at line 580 of file cbs_av1.c.

#define SUBSCRIPTS	(		subs,
			...
	)		(subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)

Definition at line 582 of file cbs_av1.c.

#define fb	(		width,
			name
	)		xf(width, name, current->name, 0, MAX_UINT_BITS(width), 0)

Definition at line 584 of file cbs_av1.c.

Referenced by cdef_params(), color_config(), decoder_model_info(), delta_lf_params(), delta_q_params(), film_grain_params(), frame_size(), interpolation_filter(), kmsgrab_read_header(), kmsgrab_read_packet(), loop_filter_params(), lr_params(), metadata_hdr_cll(), metadata_itut_t35(), metadata_timecode(), obu_header(), quantization_params(), refine_colors(), render_size(), sequence_header_obu(), superres_params(), tile_group_obu(), tile_info(), tile_list_obu(), and uncompressed_header().

#define fc	(		width,
			name,
			range_min,
			range_max
	)		xf(width, name, current->name, range_min, range_max, 0)

Definition at line 586 of file cbs_av1.c.

Referenced by color_config(), create_vorbis_context(), decode_frame(), ff_lzw_decode(), format_to_name(), gammafilter(), imlt_window_float(), metadata_hdr_mdcv(), nut_write_packet(), obu_header(), opt_default(), sequence_header_obu(), timing_info(), and vorbis_encode_frame().

#define flag

(

name

)

fb(1, name)

Definition at line 588 of file cbs_av1.c.

Referenced by adpcm_decode_frame(), av_opt_flag_is_set(), av_vorbis_parse_frame_flags(), bit_allocation(), cinepak_decode_codebook(), cinepak_decode_vectors(), color_config(), dec_ref_pic_marking(), decode_bmv_frame(), decode_channel_wordlen(), decode_delta_j(), decode_registered_user_data_afd(), decode_registered_user_data_closed_caption(), delta_lf_params(), delta_q_params(), dxv_decompress_opcodes(), epic_decode_run_length(), film_grain_params(), find_and_decode_index(), frame_reference_mode(), hdcd_scan(), hq_decode_mb(), hqa_decode_mb(), hqx_decode_422(), hqx_decode_422a(), hqx_decode_444(), hqx_decode_444a(), hrd_parameters(), imc_decode_block(), initFilter(), interpolation_filter(), loop_filter_params(), main(), mark_ref(), metadata_timecode(), nal_unit_header(), obu_header(), old_codec1(), pps(), pps_range_extension(), pps_scc_extension(), profile_tier_level(), quantization_params(), read_header(), read_high_coeffs(), read_huffman_tables(), read_low_coeffs(), ref_pic_list_modification(), ref_pic_lists_modification(), render_size(), segmentation_params(), sei_display_orientation(), sei_pan_scan_rect(), sei_pic_timestamp(), sei_recovery_point(), sequence_header_obu(), set_af_flag(), set_disposition_bits(), skip_mode_params(), slice_header(), slice_segment_header(), sps(), sps_extension(), sps_range_extension(), sps_scc_extension(), st_ref_pic_set(), superres_params(), sws_init_context(), tile_group_obu(), tile_info(), timing_info(), uncompressed_header(), vorbis_parse_setup_hdr_codebooks(), vps(), vui_parameters(), write_index(), and xan_wc3_decode_frame().

#define su	(		width,
			name
	)		xsu(width, name, current->name, 0)

Definition at line 589 of file cbs_av1.c.

Referenced by atrac1_decode_frame().

#define fbs	(		width,
			name,
			subs,
			...
	)		xf(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)

Definition at line 592 of file cbs_av1.c.

Referenced by cdef_params(), film_grain_params(), lr_params(), segmentation_params(), sequence_header_obu(), and uncompressed_header().

#define fcs	(		width,
			name,
			range_min,
			range_max,
			subs,
			...
	)		xf(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)

Definition at line 594 of file cbs_av1.c.

Referenced by metadata_hdr_mdcv().

#define flags	(		name,
			subs,
			...
	)		xf(1, name, current->name, 0, 1, subs, __VA_ARGS__)

Examples:

ffhash.c.

Definition at line 596 of file cbs_av1.c.

Referenced by add_index_entry(), aom_encode(), aom_init(), ape_tag_read_field(), apply_param_change(), asf_read_stream_properties(), asf_write_packet(), av_get_cpu_flags(), av_opt_query_ranges(), av_opt_set_defaults2(), av_parse_cpu_flags(), av_read_image_line2(), av_timecode_init(), av_vdpau_bind_context(), av_write_image_line2(), avfilter_graph_queue_command(), avfilter_graph_set_auto_convert(), avi_add_ientry(), avi_read_idx1(), avi_write_header(), avi_write_packet_internal(), avio_check(), bidir_refine(), check(), crypto_open2(), decode_frame(), decode_frame_header(), decode_header(), decode_hextile(), decode_init(), decode_mb_b(), decode_rle(), decode_subblock(), decode_subblock3(), decode_tile_info(), device_open(), dnxhd_decode_dct_block(), dump_paramchange(), dump_stream_format(), dxa_read_header(), encode_codebook(), encode_frame(), encode_mode(), epzs_motion_search2(), epzs_motion_search4(), fbdev_read_header(), fbdev_write_header(), ff_ac3_apply_rematrixing(), ff_add_index_entry(), ff_alsa_open(), ff_draw_init(), ff_get_cpu_max_align_aarch64(), ff_get_cpu_max_align_ppc(), ff_get_cpu_max_align_x86(), ff_get_unscaled_swscale(), ff_ip_resolve_host(), ff_mediacodec_dec_send(), ff_mms_asf_header_parser(), ff_mp4_parse_es_descr(), ff_parse_mpeg2_descriptor(), ff_rdt_parse_packet(), ff_vc1_b_intfi_loop_filter(), ff_vc1_i_loop_filter(), ff_vc1_p_intfr_loop_filter(), ff_vc1_p_loop_filter(), ffat_init_encoder(), fileTest(), filter_codec_opts(), filter_frame(), find_prev_closest_index(), flush(), flv_read_header(), flv_read_packet(), flv_write_packet(), frame_size_with_refs(), gdv_decode_frame(), get_audio_flags(), get_mb_score(), get_needed_flags(), get_opt_flags_string(), gif_read_image(), global_motion_params(), hls_read_seek(), hpel_motion_search(), hrd_parameters(), init_context_defaults(), init_noise(), ipvideo_decode_block_opcode_0x7(), ipvideo_decode_block_opcode_0x7_16(), ipvideo_decode_block_opcode_0x8(), ipvideo_decode_block_opcode_0x8_16(), ipvideo_decode_block_opcode_0x9(), ipvideo_decode_block_opcode_0x9_16(), ipvideo_decode_block_opcode_0xA(), ipvideo_decode_block_opcode_0xA_16(), is_animated_webp_packet(), loop_filter_params(), lvf_read_packet(), magy_decode_slice(), magy_decode_slice10(), main(), matroska_parse_block(), matroska_parse_wavpack(), mjpeg_decode_app(), mkv_write_vtt_blocks(), mov_fix_index(), mov_parse_stsd_audio(), mov_read_tfhd(), mov_read_timecode_track(), mov_read_tkhd(), mov_read_trun(), mov_write_tfhd_tag(), mov_write_tkhd_tag(), mov_write_trun_tag(), mpeg_decode_user_data(), mpegps_read_pes_header(), mpegts_push_data(), mpegts_write_pes(), mpegts_write_section1(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mxf_compute_ptses_fake_index(), mxf_parse_physical_source_package(), mxf_parse_structural_metadata(), noise(), nut_write_packet(), nvenc_check_capabilities(), ogg_read_page(), old_codec37(), opt_cpuflags(), opt_loglevel(), parse_MP4SLDescrTag(), parse_opus_ts_header(), parse_pcr(), parse_pixel_format(), pmp_header(), pp_config_props(), pps(), pred_weight_table(), process_command(), profile_tier_level(), qpel_motion_search(), read_desc_chunk(), read_header(), read_moof_duration(), read_packet(), read_part_of_packet(), read_trun_duration(), rm_read_dts(), rm_read_header(), rm_read_packet(), rtp_parse_one_packet(), rtp_parse_packet_internal(), rv10_write_header(), scaling_list_data(), sdl2_write_header(), sdr2_read_packet(), segmentation_params(), sei_pic_timing(), selfTest(), sequence_header_obu(), seqvideo_decode(), show_help_default(), slice_segment_header(), smacker_read_packet(), sps(), st_ref_pic_set(), sub_layer_hrd_parameters(), sws_alloc_set_opts(), sws_getCachedContext(), sws_init_context(), swscale(), thread_get_buffer_internal(), thread_main(), txd_decode_frame(), url_alloc_for_protocol(), vaapi_map_frame(), validate_avframe_allocation(), vmdaudio_decode_frame(), vorbis_packet(), vps(), wmavoice_decode_init(), write_header(), write_sm_data(), and wv_read_block_header().

#define sus	(		width,
			name,
			subs,
			...
	)		xsu(width, name, current->name, subs, __VA_ARGS__)

Definition at line 598 of file cbs_av1.c.

Referenced by loop_filter_params(), and segmentation_params().

#define fixed	(		width,
			name,
			value
	)

Value:

do { \
        av_unused uint32_t fixed_value = value; \
        xf(width, name, fixed_value, value, value, 0); \
    } while (0)

Definition at line 601 of file cbs_av1.c.

Referenced by byte_alignment(), color_config(), filler(), guess_mv(), main(), profile_tier_level(), rbsp_trailing_bits(), sei(), sei_payload(), slice_header(), trailing_bits(), uncompressed_header(), and vps().

#define READ

Definition at line 607 of file cbs_av1.c.

#define READWRITE   read

Definition at line 695 of file cbs_av1.c.

#define RWContext   GetBitContext

Definition at line 696 of file cbs_av1.c.

#define xf	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

do { \
        uint32_t value = range_min; \
        CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \
                                   SUBSCRIPTS(subs, __VA_ARGS__), \
                                   &value, range_min, range_max)); \
        var = value; \
    } while (0)

Definition at line 698 of file cbs_av1.c.

Referenced by adpcm_decode_frame(), avpriv_mpegaudio_decode_header(), checkasm_check_nlmeans(), compute_safe_ssd_integral_image_c(), compute_ssd_integral_image(), decode_fixed_sparse(), decode_frame(), decode_i_block(), dv_write_pack(), dvb_encode_rle4(), dvbsub_parse_pixel_data_block(), encode_dvb_subtitles(), evrc_decode_frame(), ff_get_cpu_flags_x86(), ff_mpa_check_header(), ff_yuv2rgb_init_ppc(), frame_header_obu(), frame_sync_code(), gen_vector_table15(), gen_vector_table16(), gen_vector_table24(), h261_probe(), inverse_quant(), metadata_itut_t35(), modplug_read_packet(), mov_write_d263_tag(), mpegps_read_pes_header(), nvenc_load_libraries(), prores_encode_init(), roq_encode_init(), sbc_synthesize_eight(), sbc_synthesize_four(), trailing_bits(), vc1_b_h_intfi_loop_filter(), vc1_b_v_intfi_loop_filter(), vc1_decode_p_mb_intfr(), vc1_p_h_intfr_loop_filter(), vc1_p_h_loop_filter(), vc1_p_v_intfr_loop_filter(), vc1_p_v_loop_filter(), wavpack_decode_block(), and yop_decode_frame().

#define xsu	(		width,
			name,
			var,
			subs,
			...
	)

Value:

do { \
        int32_t value = 0; \
        CHECK(cbs_av1_read_su(ctx, rw, width, #name, \
                              SUBSCRIPTS(subs, __VA_ARGS__), &value)); \
        var = value; \
    } while (0)

Definition at line 704 of file cbs_av1.c.

#define uvlc	(		name,
			range_min,
			range_max
	)

Value:

do { \
        uint32_t value = range_min; \
        CHECK(cbs_av1_read_uvlc(ctx, rw, #name, \
                                &value, range_min, range_max)); \
        current->name = value; \
    } while (0)

Definition at line 709 of file cbs_av1.c.

Referenced by timing_info().

#define ns	(		max_value,
			name,
			subs,
			...
	)

Value:

do { \
        uint32_t value = 0; \
        CHECK(cbs_av1_read_ns(ctx, rw, max_value, #name, \
                              SUBSCRIPTS(subs, __VA_ARGS__), &value)); \
        current->name = value; \
    } while (0)

Definition at line 714 of file cbs_av1.c.

Referenced by analyze_plane(), event_loop(), output_frame(), and tile_info().

#define increment	(		name,
			min,
			max
	)

Value:

do { \
        uint32_t value = 0; \
        CHECK(cbs_av1_read_increment(ctx, rw, min, max, #name, &value)); \
        current->name = value; \
    } while (0)

Definition at line 720 of file cbs_av1.c.

Referenced by lr_params(), read_tx_mode(), and tile_info().

#define subexp	(		name,
			max,
			subs,
			...
	)

Value:

do { \
        uint32_t value = 0; \
        CHECK(cbs_av1_read_subexp(ctx, rw, max, #name, \
                                  SUBSCRIPTS(subs, __VA_ARGS__), &value)); \
        current->name = value; \
    } while (0)

Definition at line 725 of file cbs_av1.c.

Referenced by global_motion_param().

#define delta_q

(

name

)

Value:

do { \
        uint8_t delta_coded; \
        int8_t delta_q; \
        xf(1, name.delta_coded, delta_coded, 0, 1, 0); \
        if (delta_coded) \
            xsu(1 + 6, name.delta_q, delta_q, 0); \
        else \
            delta_q = 0; \
        current->name = delta_q; \
    } while (0)

Definition at line 731 of file cbs_av1.c.

Referenced by quantization_params().

#define leb128

(

name

)

Value:

do { \
        uint64_t value = 0; \
        CHECK(cbs_av1_read_leb128(ctx, rw, #name, &value)); \
        current->name = value; \
    } while (0)

Definition at line 737 of file cbs_av1.c.

Referenced by metadata_obu().

#define infer	(		name,
			value
	)

Value:

do { \
        current->name = value; \
    } while (0)

Definition at line 741 of file cbs_av1.c.

Referenced by cdef_params(), color_config(), delta_lf_params(), delta_q_params(), film_grain_params(), frame_reference_mode(), hrd_parameters(), interpolation_filter(), loop_filter_params(), lr_params(), pps(), pps_scc_extension(), pred_weight_table(), quantization_params(), read_tx_mode(), segmentation_params(), sei_pic_timestamp(), sequence_header_obu(), skip_mode_params(), slice_header(), slice_segment_header(), sps(), st_ref_pic_set(), superres_params(), tile_group_obu(), tile_info(), uncompressed_header(), vps(), vui_parameters(), and vui_parameters_default().

#define byte_alignment

(

rw

)

(get_bits_count(rw) % 8)

Definition at line 750 of file cbs_av1.c.

Referenced by rbsp_trailing_bits(), sei_payload(), slice_header(), and trailing_bits().

#define WRITE

Definition at line 694 of file cbs_av1.c.

#define READWRITE   write

Definition at line 695 of file cbs_av1.c.

#define RWContext   PutBitContext

Definition at line 696 of file cbs_av1.c.

#define xf	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

do { \
        CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \
                                    SUBSCRIPTS(subs, __VA_ARGS__), \
                                    var, range_min, range_max)); \
    } while (0)

Definition at line 698 of file cbs_av1.c.

#define xsu	(		width,
			name,
			var,
			subs,
			...
	)

Value:

do { \
        CHECK(cbs_av1_write_su(ctx, rw, width, #name, \
                               SUBSCRIPTS(subs, __VA_ARGS__), var)); \
    } while (0)

Definition at line 704 of file cbs_av1.c.

#define uvlc	(		name,
			range_min,
			range_max
	)

Value:

do { \
        CHECK(cbs_av1_write_uvlc(ctx, rw, #name, current->name, \
                                 range_min, range_max)); \
    } while (0)

Definition at line 709 of file cbs_av1.c.

#define ns	(		max_value,
			name,
			subs,
			...
	)

Value:

do { \
        CHECK(cbs_av1_write_ns(ctx, rw, max_value, #name, \
                               SUBSCRIPTS(subs, __VA_ARGS__), \
                               current->name)); \
    } while (0)

Definition at line 714 of file cbs_av1.c.

#define increment	(		name,
			min,
			max
	)

Value:

do { \
        CHECK(cbs_av1_write_increment(ctx, rw, min, max, #name, \
                                      current->name)); \
    } while (0)

Definition at line 720 of file cbs_av1.c.

#define subexp	(		name,
			max,
			subs,
			...
	)

Value:

do { \
        CHECK(cbs_av1_write_subexp(ctx, rw, max, #name, \
                                   SUBSCRIPTS(subs, __VA_ARGS__), \
                                   current->name)); \
    } while (0)

Definition at line 725 of file cbs_av1.c.

#define delta_q

(

name

)

Value:

do { \
        xf(1, name.delta_coded, current->name != 0, 0, 1, 0); \
        if (current->name) \
            xsu(1 + 6, name.delta_q, current->name, 0); \
    } while (0)

Definition at line 731 of file cbs_av1.c.

#define leb128

(

name

)

Value:

do { \
        CHECK(cbs_av1_write_leb128(ctx, rw, #name, current->name)); \
    } while (0)

Definition at line 737 of file cbs_av1.c.

#define infer	(		name,
			value
	)

Value:

do { \
        if (current->name != (value)) { \
            av_log(ctx->log_ctx, AV_LOG_WARNING, "Warning: " \
                   "%s does not match inferred value: " \
                   "%"PRId64", but should be %"PRId64".\n", \
                   #name, (int64_t)current->name, (int64_t)(value)); \
        } \
    } while (0)

Definition at line 741 of file cbs_av1.c.

#define byte_alignment

(

rw

)

(put_bits_count(rw) % 8)

Definition at line 750 of file cbs_av1.c.

Function Documentation

static int cbs_av1_read_uvlc ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, const char *  name, uint32_t *  write_to, uint32_t  range_min, uint32_t  range_max  )

static

Definition at line 28 of file cbs_av1.c.

static int cbs_av1_write_uvlc ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, const char *  name, uint32_t  value, uint32_t  range_min, uint32_t  range_max  )

static

Definition at line 84 of file cbs_av1.c.

static int cbs_av1_read_leb128 ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, const char *  name, uint64_t *  write_to  )

static

Definition at line 128 of file cbs_av1.c.

Referenced by cbs_av1_read_unit(), and cbs_av1_split_fragment().

static int cbs_av1_write_leb128 ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, const char *  name, uint64_t  value  )

static

Definition at line 158 of file cbs_av1.c.

Referenced by cbs_av1_write_obu().

static int cbs_av1_read_su ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, int  width, const char *  name, const int *  subscripts, int32_t *  write_to  )

static

Definition at line 188 of file cbs_av1.c.

static int cbs_av1_write_su ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, int  width, const char *  name, const int *  subscripts, int32_t  value  )

static

Definition at line 225 of file cbs_av1.c.

static int cbs_av1_read_ns ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, uint32_t  n, const char *  name, const int *  subscripts, uint32_t *  write_to  )

static

Definition at line 256 of file cbs_av1.c.

Referenced by cbs_av1_read_subexp().

static int cbs_av1_write_ns ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, uint32_t  n, const char *  name, const int *  subscripts, uint32_t  value  )

static

Definition at line 306 of file cbs_av1.c.

Referenced by cbs_av1_write_subexp().

static int cbs_av1_read_increment ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, uint32_t  range_min, uint32_t  range_max, const char *  name, uint32_t *  write_to  )

static

Definition at line 355 of file cbs_av1.c.

Referenced by cbs_av1_read_subexp().

static int cbs_av1_write_increment ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, uint32_t  range_min, uint32_t  range_max, const char *  name, uint32_t  value  )

static

Definition at line 392 of file cbs_av1.c.

Referenced by cbs_av1_write_subexp().

static int cbs_av1_read_subexp ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, uint32_t  range_max, const char *  name, const int *  subscripts, uint32_t *  write_to  )

static

Definition at line 433 of file cbs_av1.c.

static int cbs_av1_write_subexp ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, uint32_t  range_max, const char *  name, const int *  subscripts, uint32_t  value  )

static

Definition at line 483 of file cbs_av1.c.

static int cbs_av1_tile_log2 ( int  blksize, int  target  )

static

Definition at line 548 of file cbs_av1.c.

Referenced by tile_group_obu(), and tile_info().

static int cbs_av1_get_relative_dist ( const AV1RawSequenceHeader *  seq, unsigned int  a, unsigned int  b  )

static

Definition at line 555 of file cbs_av1.c.

Referenced by skip_mode_params().

static int cbs_av1_split_fragment ( CodedBitstreamContext *  ctx, CodedBitstreamFragment *  frag, int  header  )

static

Definition at line 769 of file cbs_av1.c.

static void cbs_av1_free_tile_data ( AV1RawTileData *  td )

static

Definition at line 849 of file cbs_av1.c.

Referenced by cbs_av1_free_obu().

static void cbs_av1_free_metadata ( AV1RawMetadata *  md )

static

Definition at line 854 of file cbs_av1.c.

Referenced by cbs_av1_free_obu().

static void cbs_av1_free_obu ( void *  unit, uint8_t *  content  )

static

Definition at line 863 of file cbs_av1.c.

Referenced by cbs_av1_read_unit().

static int cbs_av1_ref_tile_data ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit, GetBitContext *  gbc, AV1RawTileData *  td  )

static

Definition at line 885 of file cbs_av1.c.

Referenced by cbs_av1_read_unit().

static int cbs_av1_read_unit ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit  )

static

Definition at line 911 of file cbs_av1.c.

static int cbs_av1_write_obu ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit, PutBitContext *  pbc  )

static

Definition at line 1073 of file cbs_av1.c.

Referenced by cbs_av1_write_unit().

static int cbs_av1_write_unit ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit  )

static

Definition at line 1229 of file cbs_av1.c.

static int cbs_av1_assemble_fragment ( CodedBitstreamContext *  ctx, CodedBitstreamFragment *  frag  )

static

Definition at line 1279 of file cbs_av1.c.

static void cbs_av1_close ( CodedBitstreamContext *  ctx )

static

Definition at line 1307 of file cbs_av1.c.

Variable Documentation

const CodedBitstreamType ff_cbs_type_av1

Initial value:

= {
    .codec_id          = AV_CODEC_ID_AV1,

    .priv_data_size    = sizeof(CodedBitstreamAV1Context),

    .split_fragment    = &cbs_av1_split_fragment,
    .read_unit         = &cbs_av1_read_unit,
    .write_unit        = &cbs_av1_write_unit,
    .assemble_fragment = &cbs_av1_assemble_fragment,

    .close             = &cbs_av1_close,
}

Definition at line 1317 of file cbs_av1.c.