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Rebuild FFmpeg with AV1 CBS compiled in

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Cameron Gutman 2023-11-06 19:00:13 -06:00
parent cb26398414
commit c51caba1ec
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191
libs/FFmpeg/include/libavcodec/av1.h Normal file
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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* AV1 common definitions
*/
#ifndef AVCODEC_AV1_H
#define AVCODEC_AV1_H
// OBU types (section 6.2.2).
typedef enum {
// 0 reserved.
AV1_OBU_SEQUENCE_HEADER = 1,
AV1_OBU_TEMPORAL_DELIMITER = 2,
AV1_OBU_FRAME_HEADER = 3,
AV1_OBU_TILE_GROUP = 4,
AV1_OBU_METADATA = 5,
AV1_OBU_FRAME = 6,
AV1_OBU_REDUNDANT_FRAME_HEADER = 7,
AV1_OBU_TILE_LIST = 8,
// 9-14 reserved.
AV1_OBU_PADDING = 15,
} AV1_OBU_Type;
// Metadata types (section 6.7.1).
enum {
AV1_METADATA_TYPE_HDR_CLL = 1,
AV1_METADATA_TYPE_HDR_MDCV = 2,
AV1_METADATA_TYPE_SCALABILITY = 3,
AV1_METADATA_TYPE_ITUT_T35 = 4,
AV1_METADATA_TYPE_TIMECODE = 5,
};
// Frame types (section 6.8.2).
enum {
AV1_FRAME_KEY = 0,
AV1_FRAME_INTER = 1,
AV1_FRAME_INTRA_ONLY = 2,
AV1_FRAME_SWITCH = 3,
};
// Reference frames (section 6.10.24).
enum {
AV1_REF_FRAME_INTRA = 0,
AV1_REF_FRAME_LAST = 1,
AV1_REF_FRAME_LAST2 = 2,
AV1_REF_FRAME_LAST3 = 3,
AV1_REF_FRAME_GOLDEN = 4,
AV1_REF_FRAME_BWDREF = 5,
AV1_REF_FRAME_ALTREF2 = 6,
AV1_REF_FRAME_ALTREF = 7,
};
// Constants (section 3).
enum {
AV1_MAX_OPERATING_POINTS = 32,
AV1_MAX_SB_SIZE = 128,
AV1_MI_SIZE = 4,
AV1_MAX_TILE_WIDTH = 4096,
AV1_MAX_TILE_AREA = 4096 * 2304,
AV1_MAX_TILE_ROWS = 64,
AV1_MAX_TILE_COLS = 64,
AV1_NUM_REF_FRAMES = 8,
AV1_REFS_PER_FRAME = 7,
AV1_TOTAL_REFS_PER_FRAME = 8,
AV1_PRIMARY_REF_NONE = 7,
AV1_MAX_SEGMENTS = 8,
AV1_SEG_LVL_MAX = 8,
AV1_SEG_LVL_ALT_Q = 0,
AV1_SEG_LVL_ALT_LF_Y_V = 1,
AV1_SEG_LVL_REF_FRAME = 5,
AV1_SEG_LVL_SKIP = 6,
AV1_SEG_LVL_GLOBAL_MV = 7,
AV1_SELECT_SCREEN_CONTENT_TOOLS = 2,
AV1_SELECT_INTEGER_MV = 2,
AV1_SUPERRES_NUM = 8,
AV1_SUPERRES_DENOM_MIN = 9,
AV1_INTERPOLATION_FILTER_SWITCHABLE = 4,
AV1_GM_ABS_ALPHA_BITS = 12,
AV1_GM_ALPHA_PREC_BITS = 15,
AV1_GM_ABS_TRANS_ONLY_BITS = 9,
AV1_GM_TRANS_ONLY_PREC_BITS = 3,
AV1_GM_ABS_TRANS_BITS = 12,
AV1_GM_TRANS_PREC_BITS = 6,
AV1_WARPEDMODEL_PREC_BITS = 16,
AV1_WARP_MODEL_IDENTITY = 0,
AV1_WARP_MODEL_TRANSLATION = 1,
AV1_WARP_MODEL_ROTZOOM = 2,
AV1_WARP_MODEL_AFFINE = 3,
AV1_WARP_PARAM_REDUCE_BITS = 6,
AV1_DIV_LUT_BITS = 8,
AV1_DIV_LUT_PREC_BITS = 14,
AV1_DIV_LUT_NUM = 257,
AV1_MAX_LOOP_FILTER = 63,
};
// The main colour configuration information uses the same ISO/IEC 23001-8
// (H.273) enums as FFmpeg does, so separate definitions are not required.
// Chroma sample position.
enum {
AV1_CSP_UNKNOWN = 0,
AV1_CSP_VERTICAL = 1, // -> AVCHROMA_LOC_LEFT.
AV1_CSP_COLOCATED = 2, // -> AVCHROMA_LOC_TOPLEFT.
};
// Scalability modes (section 6.7.5)
enum {
AV1_SCALABILITY_L1T2 = 0,
AV1_SCALABILITY_L1T3 = 1,
AV1_SCALABILITY_L2T1 = 2,
AV1_SCALABILITY_L2T2 = 3,
AV1_SCALABILITY_L2T3 = 4,
AV1_SCALABILITY_S2T1 = 5,
AV1_SCALABILITY_S2T2 = 6,
AV1_SCALABILITY_S2T3 = 7,
AV1_SCALABILITY_L2T1h = 8,
AV1_SCALABILITY_L2T2h = 9,
AV1_SCALABILITY_L2T3h = 10,
AV1_SCALABILITY_S2T1h = 11,
AV1_SCALABILITY_S2T2h = 12,
AV1_SCALABILITY_S2T3h = 13,
AV1_SCALABILITY_SS = 14,
AV1_SCALABILITY_L3T1 = 15,
AV1_SCALABILITY_L3T2 = 16,
AV1_SCALABILITY_L3T3 = 17,
AV1_SCALABILITY_S3T1 = 18,
AV1_SCALABILITY_S3T2 = 19,
AV1_SCALABILITY_S3T3 = 20,
AV1_SCALABILITY_L3T2_KEY = 21,
AV1_SCALABILITY_L3T3_KEY = 22,
AV1_SCALABILITY_L4T5_KEY = 23,
AV1_SCALABILITY_L4T7_KEY = 24,
AV1_SCALABILITY_L3T2_KEY_SHIFT = 25,
AV1_SCALABILITY_L3T3_KEY_SHIFT = 26,
AV1_SCALABILITY_L4T5_KEY_SHIFT = 27,
AV1_SCALABILITY_L4T7_KEY_SHIFT = 28,
};
// Frame Restoration types (section 6.10.15)
enum {
AV1_RESTORE_NONE = 0,
AV1_RESTORE_WIENER = 1,
AV1_RESTORE_SGRPROJ = 2,
AV1_RESTORE_SWITCHABLE = 3,
};
// TX mode (section 6.8.21)
enum {
AV1_ONLY_4X4 = 0,
AV1_TX_MODE_LARGEST = 1,
AV1_TX_MODE_SELECT = 2,
};
// Sequence Headers are actually unbounded because one can use
// an arbitrary number of leading zeroes when encoding via uvlc.
// The following estimate is based around using the lowest number
// of bits for uvlc encoding.
#define AV1_SANE_SEQUENCE_HEADER_MAX_BITS 3138
#endif /* AVCODEC_AV1_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_CBS_H
#define AVCODEC_CBS_H
#include <stddef.h>
#include <stdint.h>
#include "libavutil/buffer.h"
#include "codec_id.h"
#include "codec_par.h"
#include "defs.h"
#include "packet.h"
/*
* This defines a framework for converting between a coded bitstream
* and structures defining all individual syntax elements found in
* such a stream.
*
* Conversion in both directions is possible. Given a coded bitstream
* (any meaningful fragment), it can be parsed and decomposed into
* syntax elements stored in a set of codec-specific structures.
* Similarly, given a set of those same codec-specific structures the
* syntax elements can be serialised and combined to create a coded
* bitstream.
*/
struct AVCodecContext;
struct CodedBitstreamType;
/**
* The codec-specific type of a bitstream unit.
*
* AV1: obu_type
* H.264 / AVC: nal_unit_type
* H.265 / HEVC: nal_unit_type
* JPEG: marker value (without 0xff prefix)
* MPEG-2: start code value (without prefix)
* VP9: unused, set to zero (every unit is a frame)
*/
typedef uint32_t CodedBitstreamUnitType;
/**
* Coded bitstream unit structure.
*
* A bitstream unit the smallest element of a bitstream which
* is meaningful on its own. For example, an H.264 NAL unit.
*
* See the codec-specific header for the meaning of this for any
* particular codec.
*/
typedef struct CodedBitstreamUnit {
/**
* Codec-specific type of this unit.
*/
CodedBitstreamUnitType type;
/**
* Pointer to the directly-parsable bitstream form of this unit.
*
* May be NULL if the unit currently only exists in decomposed form.
*/
uint8_t *data;
/**
* The number of bytes in the bitstream (including any padding bits
* in the final byte).
*/
size_t data_size;
/**
* The number of bits which should be ignored in the final byte.
*
* This supports non-byte-aligned bitstreams.
*/
size_t data_bit_padding;
/**
* A reference to the buffer containing data.
*
* Must be set if data is not NULL.
*/
AVBufferRef *data_ref;
/**
* Pointer to the decomposed form of this unit.
*
* The type of this structure depends on both the codec and the
* type of this unit. May be NULL if the unit only exists in
* bitstream form.
*/
void *content;
/**
* If content is reference counted, a RefStruct reference backing content.
* NULL if content is not reference counted.
*/
void *content_ref;
} CodedBitstreamUnit;
/**
* Coded bitstream fragment structure, combining one or more units.
*
* This is any sequence of units. It need not form some greater whole,
* though in many cases it will. For example, an H.264 access unit,
* which is composed of a sequence of H.264 NAL units.
*/
typedef struct CodedBitstreamFragment {
/**
* Pointer to the bitstream form of this fragment.
*
* May be NULL if the fragment only exists as component units.
*/
uint8_t *data;
/**
* The number of bytes in the bitstream.
*
* The number of bytes in the bitstream (including any padding bits
* in the final byte).
*/
size_t data_size;
/**
* The number of bits which should be ignored in the final byte.
*/
size_t data_bit_padding;
/**
* A reference to the buffer containing data.
*
* Must be set if data is not NULL.
*/
AVBufferRef *data_ref;
/**
* Number of units in this fragment.
*
* This may be zero if the fragment only exists in bitstream form
* and has not been decomposed.
*/
int nb_units;
/**
* Number of allocated units.
*
* Must always be >= nb_units; designed for internal use by cbs.
*/
int nb_units_allocated;
/**
* Pointer to an array of units of length nb_units_allocated.
* Only the first nb_units are valid.
*
* Must be NULL if nb_units_allocated is zero.
*/
CodedBitstreamUnit *units;
} CodedBitstreamFragment;
struct CodedBitstreamContext;
struct GetBitContext;
struct PutBitContext;
/**
* Callback type for read tracing.
*
* @param ctx User-set trace context.
* @param gbc A GetBitContext set at the start of the syntax
* element. This is a copy, the callee does not
* need to preserve it.
* @param length Length in bits of the syntax element.
* @param name String name of the syntax elements.
* @param subscripts If the syntax element is an array, a pointer to
* an array of subscripts into the array.
* @param value Parsed value of the syntax element.
*/
typedef void (*CBSTraceReadCallback)(void *trace_context,
struct GetBitContext *gbc,
int start_position,
const char *name,
const int *subscripts,
int64_t value);
/**
* Callback type for write tracing.
*
* @param ctx User-set trace context.
* @param pbc A PutBitContext set at the end of the syntax
* element. The user must not modify this, but may
* inspect it to determine state.
* @param length Length in bits of the syntax element.
* @param name String name of the syntax elements.
* @param subscripts If the syntax element is an array, a pointer to
* an array of subscripts into the array.
* @param value Written value of the syntax element.
*/
typedef void (*CBSTraceWriteCallback)(void *trace_context,
struct PutBitContext *pbc,
int start_position,
const char *name,
const int *subscripts,
int64_t value);
/**
* Context structure for coded bitstream operations.
*/
typedef struct CodedBitstreamContext {
/**
* Logging context to be passed to all av_log() calls associated
* with this context.
*/
void *log_ctx;
/**
* Internal codec-specific hooks.
*/
const struct CodedBitstreamType *codec;
/**
* Internal codec-specific data.
*
* This contains any information needed when reading/writing
* bitsteams which will not necessarily be present in a fragment.
* For example, for H.264 it contains all currently visible
* parameter sets - they are required to determine the bitstream
* syntax but need not be present in every access unit.
*/
void *priv_data;
/**
* Array of unit types which should be decomposed when reading.
*
* Types not in this list will be available in bitstream form only.
* If NULL, all supported types will be decomposed.
*/
const CodedBitstreamUnitType *decompose_unit_types;
/**
* Length of the decompose_unit_types array.
*/
int nb_decompose_unit_types;
/**
* Enable trace output during read/write operations.
*/
int trace_enable;
/**
* Log level to use for default trace output.
*
* From AV_LOG_*; defaults to AV_LOG_TRACE.
*/
int trace_level;
/**
* User context pointer to pass to trace callbacks.
*/
void *trace_context;
/**
* Callback for read tracing.
*
* If tracing is enabled then this is called once for each syntax
* element parsed.
*/
CBSTraceReadCallback trace_read_callback;
/**
* Callback for write tracing.
*
* If tracing is enabled then this is called once for each syntax
* element written.
*/
CBSTraceWriteCallback trace_write_callback;
/**
* Write buffer. Used as intermediate buffer when writing units.
* For internal use of cbs only.
*/
uint8_t *write_buffer;
size_t write_buffer_size;
} CodedBitstreamContext;
/**
* Table of all supported codec IDs.
*
* Terminated by AV_CODEC_ID_NONE.
*/
extern const enum AVCodecID ff_cbs_all_codec_ids[];
/**
* Create and initialise a new context for the given codec.
*/
int ff_cbs_init(CodedBitstreamContext **ctx,
enum AVCodecID codec_id, void *log_ctx);
/**
* Reset all internal state in a context.
*/
void ff_cbs_flush(CodedBitstreamContext *ctx);
/**
* Close a context and free all internal state.
*/
void ff_cbs_close(CodedBitstreamContext **ctx);
/**
* Read the extradata bitstream found in codec parameters into a
* fragment, then split into units and decompose.
*
* This also updates the internal state, so will need to be called for
* codecs with extradata to read parameter sets necessary for further
* parsing even if the fragment itself is not desired.
*
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecParameters *par);
/**
* Read the extradata bitstream found in a codec context into a
* fragment, then split into units and decompose.
*
* This acts identical to ff_cbs_read_extradata() for the case where
* you already have a codec context.
*/
int ff_cbs_read_extradata_from_codec(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const struct AVCodecContext *avctx);
int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt);
/**
* Read the data bitstream from a packet into a fragment, then
* split into units and decompose.
*
* This also updates the internal state of the coded bitstream context
* with any persistent data from the fragment which may be required to
* read following fragments (e.g. parameter sets).
*
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read_packet(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt);
/**
* Read a bitstream from a memory region into a fragment, then
* split into units and decompose.
*
* This also updates the internal state of the coded bitstream context
* with any persistent data from the fragment which may be required to
* read following fragments (e.g. parameter sets).
*
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const uint8_t *data, size_t size);
/**
* Write the content of the fragment to its own internal buffer.
*
* Writes the content of all units and then assembles them into a new
* data buffer. When modifying the content of decomposed units, this
* can be used to regenerate the bitstream form of units or the whole
* fragment so that it can be extracted for other use.
*
* This also updates the internal state of the coded bitstream context
* with any persistent data from the fragment which may be required to
* write following fragments (e.g. parameter sets).
*/
int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag);
/**
* Write the bitstream of a fragment to the extradata in codec parameters.
*
* Modifies context and fragment as ff_cbs_write_fragment_data does and
* replaces any existing extradata in the structure.
*/
int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
AVCodecParameters *par,
CodedBitstreamFragment *frag);
/**
* Write the bitstream of a fragment to a packet.
*
* Modifies context and fragment as ff_cbs_write_fragment_data does.
*
* On success, the packet's buf is unreferenced and its buf, data and
* size fields are set to the corresponding values from the newly updated
* fragment; other fields are not touched. On failure, the packet is not
* touched at all.
*/
int ff_cbs_write_packet(CodedBitstreamContext *ctx,
AVPacket *pkt,
CodedBitstreamFragment *frag);
/**
* Free the units contained in a fragment as well as the fragment's
* own data buffer, but not the units array itself.
*/
void ff_cbs_fragment_reset(CodedBitstreamFragment *frag);
/**
* Free the units array of a fragment in addition to what
* ff_cbs_fragment_reset does.
*/
void ff_cbs_fragment_free(CodedBitstreamFragment *frag);
/**
* Allocate a new internal content buffer matching the type of the unit.
*
* The content will be zeroed.
*/
int ff_cbs_alloc_unit_content(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
/**
* Insert a new unit into a fragment with the given content.
*
* If content_ref is supplied, it has to be a RefStruct reference
* backing content; the user keeps ownership of the supplied reference.
* The content structure continues to be owned by the caller if
* content_ref is not supplied.
*/
int ff_cbs_insert_unit_content(CodedBitstreamFragment *frag,
int position,
CodedBitstreamUnitType type,
void *content,
void *content_ref);
/**
* Add a new unit to a fragment with the given data bitstream.
*
* If data_buf is not supplied then data must have been allocated with
* av_malloc() and will on success become owned by the unit after this
* call or freed on error.
*/
int ff_cbs_append_unit_data(CodedBitstreamFragment *frag,
CodedBitstreamUnitType type,
uint8_t *data, size_t data_size,
AVBufferRef *data_buf);
/**
* Delete a unit from a fragment and free all memory it uses.
*
* Requires position to be >= 0 and < frag->nb_units.
*/
void ff_cbs_delete_unit(CodedBitstreamFragment *frag,
int position);
/**
* Make the content of a unit refcounted.
*
* If the unit is not refcounted, this will do a deep copy of the unit
* content to new refcounted buffers.
*
* It is not valid to call this function on a unit which does not have
* decomposed content.
*/
int ff_cbs_make_unit_refcounted(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
/**
* Make the content of a unit writable so that internal fields can be
* modified.
*
* If it is known that there are no other references to the content of
* the unit, does nothing and returns success. Otherwise (including the
* case where the unit content is not refcounted), it does a full clone
* of the content (including any internal buffers) to make a new copy,
* and replaces the existing references inside the unit with that.
*
* It is not valid to call this function on a unit which does not have
* decomposed content.
*/
int ff_cbs_make_unit_writable(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
enum CbsDiscardFlags {
DISCARD_FLAG_NONE = 0,
/**
* keep non-vcl units even if the picture has been dropped.
*/
DISCARD_FLAG_KEEP_NON_VCL = 0x01,
};
/**
* Discard units accroding to 'skip'.
*/
void ff_cbs_discard_units(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
enum AVDiscard skip,
int flags);
/**
* Helper function for read tracing which formats the syntax element
* and logs the result.
*
* Trace context should be set to the CodedBitstreamContext.
*/
void ff_cbs_trace_read_log(void *trace_context,
struct GetBitContext *gbc, int length,
const char *str, const int *subscripts,
int64_t value);
/**
* Helper function for write tracing which formats the syntax element
* and logs the result.
*
* Trace context should be set to the CodedBitstreamContext.
*/
void ff_cbs_trace_write_log(void *trace_context,
struct PutBitContext *pbc, int length,
const char *str, const int *subscripts,
int64_t value);
#endif /* AVCODEC_CBS_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_CBS_AV1_H
#define AVCODEC_CBS_AV1_H
#include <stddef.h>
#include <stdint.h>
#include "av1.h"
#include "cbs.h"
typedef struct AV1RawOBUHeader {
uint8_t obu_forbidden_bit;
uint8_t obu_type;
uint8_t obu_extension_flag;
uint8_t obu_has_size_field;
uint8_t obu_reserved_1bit;
uint8_t temporal_id;
uint8_t spatial_id;
uint8_t extension_header_reserved_3bits;
} AV1RawOBUHeader;
typedef struct AV1RawColorConfig {
uint8_t high_bitdepth;
uint8_t twelve_bit;
uint8_t mono_chrome;
uint8_t color_description_present_flag;
uint8_t color_primaries;
uint8_t transfer_characteristics;
uint8_t matrix_coefficients;
uint8_t color_range;
uint8_t subsampling_x;
uint8_t subsampling_y;
uint8_t chroma_sample_position;
uint8_t separate_uv_delta_q;
} AV1RawColorConfig;
typedef struct AV1RawTimingInfo {
uint32_t num_units_in_display_tick;
uint32_t time_scale;
uint8_t equal_picture_interval;
uint32_t num_ticks_per_picture_minus_1;
} AV1RawTimingInfo;
typedef struct AV1RawDecoderModelInfo {
uint8_t buffer_delay_length_minus_1;
uint32_t num_units_in_decoding_tick;
uint8_t buffer_removal_time_length_minus_1;
uint8_t frame_presentation_time_length_minus_1;
} AV1RawDecoderModelInfo;
typedef struct AV1RawSequenceHeader {
uint8_t seq_profile;
uint8_t still_picture;
uint8_t reduced_still_picture_header;
uint8_t timing_info_present_flag;
uint8_t decoder_model_info_present_flag;
uint8_t initial_display_delay_present_flag;
uint8_t operating_points_cnt_minus_1;
AV1RawTimingInfo timing_info;
AV1RawDecoderModelInfo decoder_model_info;
uint16_t operating_point_idc[AV1_MAX_OPERATING_POINTS];
uint8_t seq_level_idx[AV1_MAX_OPERATING_POINTS];
uint8_t seq_tier[AV1_MAX_OPERATING_POINTS];
uint8_t decoder_model_present_for_this_op[AV1_MAX_OPERATING_POINTS];
uint32_t decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
uint32_t encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
uint8_t low_delay_mode_flag[AV1_MAX_OPERATING_POINTS];
uint8_t initial_display_delay_present_for_this_op[AV1_MAX_OPERATING_POINTS];
uint8_t initial_display_delay_minus_1[AV1_MAX_OPERATING_POINTS];
uint8_t frame_width_bits_minus_1;
uint8_t frame_height_bits_minus_1;
uint16_t max_frame_width_minus_1;
uint16_t max_frame_height_minus_1;
uint8_t frame_id_numbers_present_flag;
uint8_t delta_frame_id_length_minus_2;
uint8_t additional_frame_id_length_minus_1;
uint8_t use_128x128_superblock;
uint8_t enable_filter_intra;
uint8_t enable_intra_edge_filter;
uint8_t enable_interintra_compound;
uint8_t enable_masked_compound;
uint8_t enable_warped_motion;
uint8_t enable_dual_filter;
uint8_t enable_order_hint;
uint8_t enable_jnt_comp;
uint8_t enable_ref_frame_mvs;
uint8_t seq_choose_screen_content_tools;
uint8_t seq_force_screen_content_tools;
uint8_t seq_choose_integer_mv;
uint8_t seq_force_integer_mv;
uint8_t order_hint_bits_minus_1;
uint8_t enable_superres;
uint8_t enable_cdef;
uint8_t enable_restoration;
AV1RawColorConfig color_config;
uint8_t film_grain_params_present;
} AV1RawSequenceHeader;
typedef struct AV1RawFilmGrainParams {
uint8_t apply_grain;
uint16_t grain_seed;
uint8_t update_grain;
uint8_t film_grain_params_ref_idx;
uint8_t num_y_points;
uint8_t point_y_value[14];
uint8_t point_y_scaling[14];
uint8_t chroma_scaling_from_luma;
uint8_t num_cb_points;
uint8_t point_cb_value[10];
uint8_t point_cb_scaling[10];
uint8_t num_cr_points;
uint8_t point_cr_value[10];
uint8_t point_cr_scaling[10];
uint8_t grain_scaling_minus_8;
uint8_t ar_coeff_lag;
uint8_t ar_coeffs_y_plus_128[24];
uint8_t ar_coeffs_cb_plus_128[25];
uint8_t ar_coeffs_cr_plus_128[25];
uint8_t ar_coeff_shift_minus_6;
uint8_t grain_scale_shift;
uint8_t cb_mult;
uint8_t cb_luma_mult;
uint16_t cb_offset;
uint8_t cr_mult;
uint8_t cr_luma_mult;
uint16_t cr_offset;
uint8_t overlap_flag;
uint8_t clip_to_restricted_range;
} AV1RawFilmGrainParams;
typedef struct AV1RawFrameHeader {
uint8_t show_existing_frame;
uint8_t frame_to_show_map_idx;
uint32_t frame_presentation_time;
uint32_t display_frame_id;
uint8_t frame_type;
uint8_t show_frame;
uint8_t showable_frame;
uint8_t error_resilient_mode;
uint8_t disable_cdf_update;
uint8_t allow_screen_content_tools;
uint8_t force_integer_mv;
uint32_t current_frame_id;
uint8_t frame_size_override_flag;
uint8_t order_hint;
uint8_t buffer_removal_time_present_flag;
uint32_t buffer_removal_time[AV1_MAX_OPERATING_POINTS];
uint8_t primary_ref_frame;
uint16_t frame_width_minus_1;
uint16_t frame_height_minus_1;
uint8_t use_superres;
uint8_t coded_denom;
uint8_t render_and_frame_size_different;
uint16_t render_width_minus_1;
uint16_t render_height_minus_1;
uint8_t found_ref[AV1_REFS_PER_FRAME];
uint8_t refresh_frame_flags;
uint8_t allow_intrabc;
uint8_t ref_order_hint[AV1_NUM_REF_FRAMES];
uint8_t frame_refs_short_signaling;
uint8_t last_frame_idx;
uint8_t golden_frame_idx;
int8_t ref_frame_idx[AV1_REFS_PER_FRAME];
uint32_t delta_frame_id_minus1[AV1_REFS_PER_FRAME];
uint8_t allow_high_precision_mv;
uint8_t is_filter_switchable;
uint8_t interpolation_filter;
uint8_t is_motion_mode_switchable;
uint8_t use_ref_frame_mvs;
uint8_t disable_frame_end_update_cdf;
uint8_t uniform_tile_spacing_flag;
uint8_t tile_cols_log2;
uint8_t tile_rows_log2;
uint8_t tile_start_col_sb[AV1_MAX_TILE_COLS];
uint8_t tile_start_row_sb[AV1_MAX_TILE_COLS];
uint8_t width_in_sbs_minus_1[AV1_MAX_TILE_COLS];
uint8_t height_in_sbs_minus_1[AV1_MAX_TILE_ROWS];
uint16_t context_update_tile_id;
uint8_t tile_size_bytes_minus1;
// These are derived values, but it's very unhelpful to have to
// recalculate them all the time so we store them here.
uint16_t tile_cols;
uint16_t tile_rows;
uint8_t base_q_idx;
int8_t delta_q_y_dc;
uint8_t diff_uv_delta;
int8_t delta_q_u_dc;
int8_t delta_q_u_ac;
int8_t delta_q_v_dc;
int8_t delta_q_v_ac;
uint8_t using_qmatrix;
uint8_t qm_y;
uint8_t qm_u;
uint8_t qm_v;
uint8_t segmentation_enabled;
uint8_t segmentation_update_map;
uint8_t segmentation_temporal_update;
uint8_t segmentation_update_data;
uint8_t feature_enabled[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
int16_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
uint8_t delta_q_present;
uint8_t delta_q_res;
uint8_t delta_lf_present;
uint8_t delta_lf_res;
uint8_t delta_lf_multi;
uint8_t loop_filter_level[4];
uint8_t loop_filter_sharpness;
uint8_t loop_filter_delta_enabled;
uint8_t loop_filter_delta_update;
uint8_t update_ref_delta[AV1_TOTAL_REFS_PER_FRAME];
int8_t loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME];
uint8_t update_mode_delta[2];
int8_t loop_filter_mode_deltas[2];
uint8_t cdef_damping_minus_3;
uint8_t cdef_bits;
uint8_t cdef_y_pri_strength[8];
uint8_t cdef_y_sec_strength[8];
uint8_t cdef_uv_pri_strength[8];
uint8_t cdef_uv_sec_strength[8];
uint8_t lr_type[3];
uint8_t lr_unit_shift;
uint8_t lr_uv_shift;
uint8_t tx_mode;
uint8_t reference_select;
uint8_t skip_mode_present;
uint8_t allow_warped_motion;
uint8_t reduced_tx_set;
uint8_t is_global[AV1_TOTAL_REFS_PER_FRAME];
uint8_t is_rot_zoom[AV1_TOTAL_REFS_PER_FRAME];
uint8_t is_translation[AV1_TOTAL_REFS_PER_FRAME];
//AV1RawSubexp gm_params[AV1_TOTAL_REFS_PER_FRAME][6];
uint32_t gm_params[AV1_TOTAL_REFS_PER_FRAME][6];
AV1RawFilmGrainParams film_grain;
} AV1RawFrameHeader;
typedef struct AV1RawTileData {
uint8_t *data;
AVBufferRef *data_ref;
size_t data_size;
} AV1RawTileData;
typedef struct AV1RawTileGroup {
uint8_t tile_start_and_end_present_flag;
uint16_t tg_start;
uint16_t tg_end;
AV1RawTileData tile_data;
} AV1RawTileGroup;
typedef struct AV1RawFrame {
AV1RawFrameHeader header;
AV1RawTileGroup tile_group;
} AV1RawFrame;
typedef struct AV1RawTileList {
uint8_t output_frame_width_in_tiles_minus_1;
uint8_t output_frame_height_in_tiles_minus_1;
uint16_t tile_count_minus_1;
AV1RawTileData tile_data;
} AV1RawTileList;
typedef struct AV1RawMetadataHDRCLL {
uint16_t max_cll;
uint16_t max_fall;
} AV1RawMetadataHDRCLL;
typedef struct AV1RawMetadataHDRMDCV {
uint16_t primary_chromaticity_x[3];
uint16_t primary_chromaticity_y[3];
uint16_t white_point_chromaticity_x;
uint16_t white_point_chromaticity_y;
uint32_t luminance_max;
uint32_t luminance_min;
} AV1RawMetadataHDRMDCV;
typedef struct AV1RawMetadataScalability {
uint8_t scalability_mode_idc;
uint8_t spatial_layers_cnt_minus_1;
uint8_t spatial_layer_dimensions_present_flag;
uint8_t spatial_layer_description_present_flag;
uint8_t temporal_group_description_present_flag;
uint8_t scalability_structure_reserved_3bits;
uint16_t spatial_layer_max_width[4];
uint16_t spatial_layer_max_height[4];
uint8_t spatial_layer_ref_id[4];
uint8_t temporal_group_size;
uint8_t temporal_group_temporal_id[255];
uint8_t temporal_group_temporal_switching_up_point_flag[255];
uint8_t temporal_group_spatial_switching_up_point_flag[255];
uint8_t temporal_group_ref_cnt[255];
uint8_t temporal_group_ref_pic_diff[255][7];
} AV1RawMetadataScalability;
typedef struct AV1RawMetadataITUTT35 {
uint8_t itu_t_t35_country_code;
uint8_t itu_t_t35_country_code_extension_byte;
uint8_t *payload;
AVBufferRef *payload_ref;
size_t payload_size;
} AV1RawMetadataITUTT35;
typedef struct AV1RawMetadataTimecode {
uint8_t counting_type;
uint8_t full_timestamp_flag;
uint8_t discontinuity_flag;
uint8_t cnt_dropped_flag;
uint16_t n_frames;
uint8_t seconds_value;
uint8_t minutes_value;
uint8_t hours_value;
uint8_t seconds_flag;
uint8_t minutes_flag;
uint8_t hours_flag;
uint8_t time_offset_length;
uint32_t time_offset_value;
} AV1RawMetadataTimecode;
typedef struct AV1RawMetadataUnknown {
uint8_t *payload;
AVBufferRef *payload_ref;
size_t payload_size;
} AV1RawMetadataUnknown;
typedef struct AV1RawMetadata {
uint64_t metadata_type;
union {
AV1RawMetadataHDRCLL hdr_cll;
AV1RawMetadataHDRMDCV hdr_mdcv;
AV1RawMetadataScalability scalability;
AV1RawMetadataITUTT35 itut_t35;
AV1RawMetadataTimecode timecode;
AV1RawMetadataUnknown unknown;
} metadata;
} AV1RawMetadata;
typedef struct AV1RawPadding {
uint8_t *payload;
AVBufferRef *payload_ref;
size_t payload_size;
} AV1RawPadding;
typedef struct AV1RawOBU {
AV1RawOBUHeader header;
size_t obu_size;
union {
AV1RawSequenceHeader sequence_header;
AV1RawFrameHeader frame_header;
AV1RawFrame frame;
AV1RawTileGroup tile_group;
AV1RawTileList tile_list;
AV1RawMetadata metadata;
AV1RawPadding padding;
} obu;
} AV1RawOBU;
typedef struct AV1ReferenceFrameState {
int valid; // RefValid
int frame_id; // RefFrameId
int upscaled_width; // RefUpscaledWidth
int frame_width; // RefFrameWidth
int frame_height; // RefFrameHeight
int render_width; // RefRenderWidth
int render_height; // RefRenderHeight
int frame_type; // RefFrameType
int subsampling_x; // RefSubsamplingX
int subsampling_y; // RefSubsamplingY
int bit_depth; // RefBitDepth
int order_hint; // RefOrderHint
int8_t loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME];
int8_t loop_filter_mode_deltas[2];
uint8_t feature_enabled[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
int16_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
} AV1ReferenceFrameState;
typedef struct CodedBitstreamAV1Context {
const AVClass *class;
AV1RawSequenceHeader *sequence_header;
/** A RefStruct reference backing sequence_header. */
AV1RawOBU *sequence_header_ref;
int seen_frame_header;
AVBufferRef *frame_header_ref;
uint8_t *frame_header;
size_t frame_header_size;
int temporal_id;
int spatial_id;
int operating_point_idc;
int bit_depth;
int order_hint;
int frame_width;
int frame_height;
int upscaled_width;
int render_width;
int render_height;
int num_planes;
int coded_lossless;
int all_lossless;
int tile_cols;
int tile_rows;
int tile_num;
AV1ReferenceFrameState ref[AV1_NUM_REF_FRAMES];
// AVOptions
int operating_point;
// When writing, fix the length in bytes of the obu_size field.
// Writing will fail with an error if an OBU larger than can be
// represented by the fixed size is encountered.
int fixed_obu_size_length;
} CodedBitstreamAV1Context;
#endif /* AVCODEC_CBS_AV1_H */

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