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AV1Deserialize.cpp
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#include "AV1Deserialize.h"
#include <cstdint>
#include <memory>
#include "AV1Common.h"
#include "AV1Ultis.h"
#define XXX_U8_RB(bits) (uint8_t)br->f(bits)
#define XXX_U16_RB(bits) (uint16_t)br->f(bits)
#define XXX_U32_RB(bits) (uint32_t)br->f(bits)
#define XXX_U64_RB(bits) (uint64_t)br->f(bits)
#define XXX_ABS(x) ((x) > 0 ? (x) : -(x))
#define XXX_CLIP3(x, y, z) ((z) < ((x)) ? ((x)) : ((z) > (y) ? (y) : (z)))
#define XXX_CLIP1(x, BitDepth) XXX_CLIP3(0, 2 << (BitDepth) - 1, (x))
#define XXX_MIN(x, y) ((x) <= (y) ? (x) : (y))
#define XXX_MAX(x, y) ((x) >= (y) ? (x) : (y))
#define XXX_ROUND2(x, n) (((x) + (2 << ((n)-1)))/(2 << (n)))
#define XXX_ROUND2SIGNED(x, n) ((x) >= 0 ? XXX_ROUND2((x), (n)) : XXX_ROUND2(-(x), (n)))
namespace Mmp
{
namespace Codec
{
AV1Deserialize::AV1Deserialize()
{
}
AV1Deserialize::~AV1Deserialize()
{
}
bool AV1Deserialize::DeserializeFrameSizeWithRefsSyntax(AV1BinaryReader::ptr br, AV1FrameSizeWithRefsSyntax::ptr frameSizeWithRefs, AV1UncompressedHeaderSyntax::ptr uncompressedHeader, AV1SequenceHeaderSyntax::ptr sequenceHeader, int8_t ref_frame_idx[AV1_SYMBOL(REFS_PER_FRAME)])
{
// See also : 5.9.7. Frame size with refs syntax
try
{
for (size_t i=0; i<AV1_SYMBOL(REFS_PER_FRAME); i++)
{
frameSizeWithRefs->found_ref = XXX_U8_RB(1);
if (frameSizeWithRefs->found_ref == 1 && (ref_frame_idx[i] >= 0 && ref_frame_idx[i] <= AV1_SYMBOL(NUM_REF_FRAMES)))
{
_curFrameContext.UpscaledWidth = _referenceFrameContext[(size_t)ref_frame_idx[i]].UpscaledWidth;
_curFrameContext.FrameWidth = _curFrameContext.UpscaledWidth;
_curFrameContext.FrameHeight = _referenceFrameContext[(size_t)ref_frame_idx[i]].FrameHeight;
_curFrameContext.RenderWidth = _referenceFrameContext[(size_t)ref_frame_idx[i]].RenderWidth;
_curFrameContext.RenderHeight = _referenceFrameContext[(size_t)ref_frame_idx[i]].RenderHeight;
break;
}
}
if (frameSizeWithRefs->found_ref == 1)
{
frameSizeWithRefs->frame_size = std::make_shared<AV1FrameSizeSyntax>();
if (!DeserializeFrameSizeSyntax(br, frameSizeWithRefs->frame_size, uncompressedHeader, sequenceHeader))
{
AV1_LOG_ERROR << "DeserializeFrameSizeSyntax fail";
return false;
}
frameSizeWithRefs->render_size = std::make_shared<AV1RenderSizeSyntax>();
if (!DeserializeRenderSizeSyntax(br, frameSizeWithRefs->render_size))
{
AV1_LOG_ERROR << "DeserializeRenderSizeSyntax fail";
return false;
}
}
else
{
frameSizeWithRefs->superres_params = std::make_shared<AV1SuperresParamsSyntax>();
if (!DeserializeSuperresParamsSyntax(br, frameSizeWithRefs->superres_params, sequenceHeader))
{
AV1_LOG_ERROR << "DeserializeSuperresParamsSyntax fail";
return false;
}
compute_image_size();
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeSequenceHeaderSyntax(AV1BinaryReader::ptr br, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
try
{
sequenceHeader->seq_profile = XXX_U8_RB(3);
MPP_AV1_SYNTAXT_STRICT_CHECK((sequenceHeader->seq_profile >= (uint8_t)AV1ProfilesType::AV1_Main && sequenceHeader->seq_profile<= (uint8_t)AV1ProfilesType::AV1_Professional), "seq_profile is not greater than 2", return false;);
sequenceHeader->still_picture = XXX_U8_RB(1);
sequenceHeader->reduced_still_picture_header = XXX_U8_RB(1);
if (sequenceHeader->reduced_still_picture_header)
{
{
sequenceHeader->operating_point_idc.resize(1);
sequenceHeader->seq_level_idx.resize(1);
sequenceHeader->seq_tier.resize(1);
sequenceHeader->decoder_model_present_for_this_op.resize(1);
sequenceHeader->initial_display_delay_present_for_this_op.resize(1);
}
sequenceHeader->timing_info_present_flag = 0;
sequenceHeader->decoder_model_info_present_flag = 0;
sequenceHeader->initial_display_delay_present_flag = 0;
sequenceHeader->operating_points_cnt_minus_1 = 0;
sequenceHeader->operating_point_idc[0] = 0;
sequenceHeader->seq_level_idx[0] = XXX_U8_RB(5);
sequenceHeader->seq_tier[0] = 0;
sequenceHeader->decoder_model_present_for_this_op[0] = 0;
sequenceHeader->initial_display_delay_present_for_this_op[0] = 0;
}
else
{
sequenceHeader->timing_info_present_flag = XXX_U8_RB(1);
if (sequenceHeader->timing_info_present_flag)
{
sequenceHeader->timing_info = std::make_shared<AV1TimingInfoSyntax>();
if (!DeserializeTimingInfoSyntax(br, sequenceHeader->timing_info))
{
AV1_LOG_ERROR << "DeserializeTimingInfoSyntax fail";
return false;
}
sequenceHeader->decoder_model_info_present_flag = XXX_U8_RB(1);
if (sequenceHeader->decoder_model_info_present_flag)
{
sequenceHeader->decoder_model_info = std::make_shared<AV1DecoderModelInfoSyntax>();
if (!DeserializeDecoderModelInfoSyntax(br, sequenceHeader->decoder_model_info))
{
AV1_LOG_ERROR << "DeserializeDecoderModelInfoSyntax fail";
return false;
}
}
}
else
{
sequenceHeader->decoder_model_info_present_flag = 0;
}
sequenceHeader->initial_display_delay_present_flag = XXX_U8_RB(1);
sequenceHeader->operating_points_cnt_minus_1 = XXX_U8_RB(5);
{
sequenceHeader->operating_point_idc.resize(sequenceHeader->operating_points_cnt_minus_1 + 1);
sequenceHeader->seq_level_idx.resize(sequenceHeader->operating_points_cnt_minus_1 + 1);
sequenceHeader->seq_tier.resize(sequenceHeader->operating_points_cnt_minus_1 + 1);
sequenceHeader->decoder_model_present_for_this_op.resize(sequenceHeader->operating_points_cnt_minus_1 + 1);
sequenceHeader->initial_display_delay_minus_1.resize(sequenceHeader->operating_points_cnt_minus_1 + 1);
}
for (uint8_t i=0; i<=sequenceHeader->operating_points_cnt_minus_1; i++)
{
sequenceHeader->operating_point_idc[i] = XXX_U16_RB(12);
sequenceHeader->seq_level_idx[i] = XXX_U8_RB(5);
if (sequenceHeader->seq_level_idx[i] > 7)
{
sequenceHeader->seq_tier[i] = XXX_U8_RB(1);
}
else
{
sequenceHeader->seq_tier[i] = 0;
}
if (sequenceHeader->decoder_model_info_present_flag)
{
sequenceHeader->decoder_model_present_for_this_op[i] = XXX_U8_RB(1);
AV1OperatingParametersInfoSyntax::ptr operating_parameters_info = std::make_shared<AV1OperatingParametersInfoSyntax>();
if (DeserializeOperatingParametersInfoSyntax(br, operating_parameters_info, sequenceHeader->decoder_model_info->buffer_delay_length_minus_1))
{
AV1_LOG_ERROR << "DeserializeOperatingParametersInfoSyntax(" << i << ") fail";
return false;
}
else
{
sequenceHeader->operating_parameters_info.push_back(operating_parameters_info);
}
}
else
{
sequenceHeader->decoder_model_present_for_this_op[i] = 0;
}
if (sequenceHeader->initial_display_delay_present_flag)
{
sequenceHeader->initial_display_delay_present_for_this_op[i] = XXX_U8_RB(1);
if (sequenceHeader->initial_display_delay_present_for_this_op[i])
{
sequenceHeader->initial_display_delay_minus_1[i] = XXX_U8_RB(4);
}
}
}
}
sequenceHeader->frame_width_bits_minus_1 = XXX_U8_RB(4);
sequenceHeader->frame_height_bits_minus_1 =XXX_U8_RB(4);
sequenceHeader->max_frame_width_minus_1 = XXX_U16_RB(sequenceHeader->frame_width_bits_minus_1 + 1);
sequenceHeader->max_frame_height_minus_1 = XXX_U16_RB(sequenceHeader->max_frame_width_minus_1 + 1);
if (sequenceHeader->reduced_still_picture_header)
{
sequenceHeader->frame_id_numbers_present_flag = 0;
}
else
{
sequenceHeader->frame_id_numbers_present_flag = XXX_U8_RB(1);
}
if (sequenceHeader->frame_id_numbers_present_flag)
{
sequenceHeader->delta_frame_id_length_minus_2 = XXX_U8_RB(4);
sequenceHeader->additional_frame_id_length_minus_1 = XXX_U8_RB(3);
}
sequenceHeader->use_128x128_superblock = XXX_U8_RB(1);
sequenceHeader->enable_filter_intra = XXX_U8_RB(1);
sequenceHeader->enable_intra_edge_filter = XXX_U8_RB(1);
if (sequenceHeader->reduced_still_picture_header)
{
sequenceHeader->enable_interintra_compound = 0;
sequenceHeader->enable_masked_compound = 0;
sequenceHeader->enable_warped_motion = 0;
sequenceHeader->enable_dual_filter = 0;
sequenceHeader->enable_order_hint = 0;
sequenceHeader->enable_jnt_comp = 0;
sequenceHeader->enable_ref_frame_mvs = 0;
sequenceHeader->seq_force_screen_content_tools = AV1_SYMBOL(SELECT_SCREEN_CONTENT_TOOLS);
sequenceHeader->seq_force_integer_mv = AV1_SYMBOL(SELECT_INTEGER_MV);
}
else
{
sequenceHeader->enable_interintra_compound = XXX_U8_RB(1);
sequenceHeader->enable_masked_compound = XXX_U8_RB(1);
sequenceHeader->enable_warped_motion = XXX_U8_RB(1);
sequenceHeader->enable_dual_filter = XXX_U8_RB(1);
sequenceHeader->enable_order_hint = XXX_U8_RB(1);
if (sequenceHeader->enable_order_hint)
{
sequenceHeader->enable_jnt_comp = XXX_U8_RB(1);
sequenceHeader->enable_ref_frame_mvs = XXX_U8_RB(1);
}
else
{
sequenceHeader->enable_jnt_comp = 0;
sequenceHeader->enable_ref_frame_mvs = 0;
}
sequenceHeader->seq_choose_screen_content_tool = XXX_U8_RB(1);
if (sequenceHeader->seq_choose_screen_content_tool)
{
sequenceHeader->seq_force_screen_content_tools = AV1_SYMBOL(SELECT_SCREEN_CONTENT_TOOLS);
}
else
{
sequenceHeader->seq_force_screen_content_tools = XXX_U8_RB(1);
}
if (sequenceHeader->seq_force_screen_content_tools > 0)
{
sequenceHeader->seq_choose_integer_mv = XXX_U8_RB(1);
if (sequenceHeader->seq_choose_integer_mv)
{
sequenceHeader->seq_force_integer_mv = AV1_SYMBOL(SELECT_INTEGER_MV);
}
else
{
sequenceHeader->seq_choose_integer_mv = XXX_U8_RB(1);
}
}
else
{
sequenceHeader->seq_choose_integer_mv = AV1_SYMBOL(SELECT_INTEGER_MV);
}
if (sequenceHeader->enable_order_hint)
{
sequenceHeader->order_hint_bits_minus_1 = XXX_U8_RB(3);
}
sequenceHeader->enable_superres = XXX_U8_RB(1);
sequenceHeader->enable_cdef = XXX_U8_RB(1);
sequenceHeader->enable_restoration = XXX_U8_RB(1);
sequenceHeader->color_config = std::make_shared<AV1ColorConfigSyntax>();
if (DeserializeColorConfigSyntax(br, sequenceHeader->color_config, sequenceHeader))
{
AV1_LOG_ERROR << "DeserializeColorConfigSyntax fail";
return false;
}
sequenceHeader->film_grain_params_present = XXX_U8_RB(1);
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeLoopRestorationParamsSyntax(AV1BinaryReader::ptr br, AV1LoopRestorationParamsSyntax::ptr loopRestorationParams, AV1UncompressedHeaderSyntax::ptr uncompressedHeader, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.9.20. Loop restoration params syntax
try
{
if (_curFrameContext.AllLossless || uncompressedHeader->allow_intrabc ||
!sequenceHeader->enable_restoration
)
{
_curFrameContext.FrameRestorationType[0] = (uint8_t)AV1FrameRestorationType::AV1_RESTORE_NONE;
_curFrameContext.FrameRestorationType[1] = (uint8_t)AV1FrameRestorationType::AV1_RESTORE_NONE;
_curFrameContext.FrameRestorationType[2] = (uint8_t)AV1FrameRestorationType::AV1_RESTORE_NONE;
_curFrameContext.UsesLr = 0;
return true;
}
_curFrameContext.UsesLr = 0;
_curFrameContext.usesChromaLr = 0;
for (uint8_t i=0; i<_curFrameContext.NumPlanes; i++)
{
uint8_t lr_type = XXX_U8_RB(2);
_curFrameContext.FrameRestorationType[i] = Remap_Lr_Type[lr_type];
if (_curFrameContext.FrameRestorationType[i] != (uint8_t)AV1FrameRestorationType::AV1_RESTORE_NONE)
{
_curFrameContext.UsesLr = 1;
if (i > 0)
{
_curFrameContext.usesChromaLr = 1;
}
}
loopRestorationParams->lr_type.push_back(lr_type);
}
if (_curFrameContext.UsesLr)
{
if (sequenceHeader->use_128x128_superblock)
{
loopRestorationParams->lr_unit_shift = XXX_U8_RB(1);
loopRestorationParams->lr_unit_shift++;
}
else
{
loopRestorationParams->lr_unit_shift = XXX_U8_RB(1);
if (loopRestorationParams->lr_unit_shift)
{
loopRestorationParams->lr_unit_extra_shift = XXX_U8_RB(1);
loopRestorationParams->lr_unit_shift += loopRestorationParams->lr_unit_extra_shift;
}
}
_curFrameContext.LoopRestorationSize[0] = AV1_SYMBOL(RESTORATION_TILESIZE_MAX) >> (2 - loopRestorationParams->lr_unit_shift);
if (sequenceHeader->color_config->subsampling_x && sequenceHeader->color_config->subsampling_y && _curFrameContext.usesChromaLr)
{
loopRestorationParams->lr_uv_shift = XXX_U8_RB(1);
}
else
{
loopRestorationParams->lr_uv_shift = 0;
}
_curFrameContext.LoopRestorationSize[1] = _curFrameContext.LoopRestorationSize[0] >> loopRestorationParams->lr_uv_shift;
_curFrameContext.LoopRestorationSize[2] = _curFrameContext.LoopRestorationSize[0] >> loopRestorationParams->lr_uv_shift;
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeFrameReferenceModeSyntax(AV1BinaryReader::ptr br, AV1FrameReferenceModeSyntax::ptr frameReferenceMode)
{
// See also : 5.9.23. Frame reference mode syntax
try
{
if (_curFrameContext.FrameIsIntra)
{
frameReferenceMode->reference_select = 0;
}
else
{
frameReferenceMode->reference_select = XXX_U8_RB(1);
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeTxModeSyntax(AV1BinaryReader::ptr br, AV1TxModeSyntax::ptr txMode)
{
// See also : 5.9.21. TX mode syntax
try
{
if (_curFrameContext.CodedLossless == 1)
{
_curFrameContext.TxMode = (uint8_t)AV1TxMode::AV1_ONLY_4X4;
}
else
{
txMode->tx_mode_select = XXX_U8_RB(1);
if (txMode->tx_mode_select)
{
_curFrameContext.TxMode = (uint8_t)AV1TxMode::AV1_TX_MODE_SELECT;
}
else
{
_curFrameContext.TxMode = (uint8_t)AV1TxMode::AV1_TX_MODE_LARGEST;
}
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeGeneralFrameHeaderOBUSyntax(AV1BinaryReader::ptr br, AV1GeneralFrameHeaderOBUSyntax::ptr generalFrameHeaderOBU, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.9.1. General frame header OBU syntax
try
{
if (_curFrameContext.SeenFrameHeader == 1)
{
// TODO
}
else
{
_curFrameContext.SeenFrameHeader = 1;
generalFrameHeaderOBU->uncompressed_header = std::make_shared<AV1UncompressedHeaderSyntax>();
if (DeserializeUncompressedHeaderSyntax(br, generalFrameHeaderOBU->uncompressed_header, sequenceHeader))
{
AV1_LOG_ERROR << "DeserializeUncompressedHeaderSyntax fail";
return false;
}
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeGeneralTileGroupOBUSyntax(AV1BinaryReader::ptr br, AV1GeneralTileGroupOBUSyntax::ptr generalTileGroupOBU, AV1QuantizationParamsSyntax::ptr quantizationParams, size_t sz)
{
// See also : 5.11.1. General tile group OBU syntax
try
{
size_t startBitPos = 0, endBitPos = 0, headerBytes = 0;
_curFrameContext.NumTiles = _curFrameContext.TileCols * _curFrameContext.TileRows;
startBitPos = br->get_position();
generalTileGroupOBU->tile_start_and_end_present_flag = 0;
if (_curFrameContext.NumTiles > 1)
{
generalTileGroupOBU->tile_start_and_end_present_flag = XXX_U8_RB(1);
}
if (_curFrameContext.NumTiles == 1 || !generalTileGroupOBU->tile_start_and_end_present_flag)
{
generalTileGroupOBU->tg_start = 0;
generalTileGroupOBU->tg_end = _curFrameContext.NumTiles - 1;
}
else
{
uint64_t tileBits = _curFrameContext.TileColsLog2 + _curFrameContext.TileRowsLog2;
generalTileGroupOBU->tg_start = XXX_U64_RB((size_t)tileBits);
generalTileGroupOBU->tg_end = XXX_U64_RB((size_t)tileBits);
}
br->byte_alignment();
endBitPos = br->get_position();
headerBytes = (endBitPos - startBitPos) / 8;
sz -= headerBytes;
for (uint64_t TileNum = generalTileGroupOBU->tg_start; TileNum <= generalTileGroupOBU->tg_end; TileNum++)
{
uint64_t tileRow = TileNum / _curFrameContext.TileCols;
uint64_t tileCol = TileNum % _curFrameContext.TileCols;
uint64_t tileSize = 0;
bool lastTile = (TileNum == generalTileGroupOBU->tg_end);
if (lastTile)
{
tileSize = sz;
}
else
{
generalTileGroupOBU->tile_size_minus_1 = br->le(_curFrameContext.TileSizeBytes);
tileSize = (size_t)generalTileGroupOBU->tile_size_minus_1 + 1;
sz -= tileSize + (uint64_t)_curFrameContext.TileSizeBytes;
}
_curFrameContext.MiRowStart = _curFrameContext.MiRowStarts[tileRow];
_curFrameContext.MiRowEnd = _curFrameContext.MiRowStarts[tileRow + 1];
_curFrameContext.MiColStrart = _curFrameContext.MiColStarts[tileCol];
_curFrameContext.MiColEnd = _curFrameContext.MiColStarts[tileCol + 1];
_curFrameContext.CurrentQIndex = quantizationParams->base_q_idx;
// TODO
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeCdefParamsSyntax(AV1BinaryReader::ptr br, AV1CdefParamsSyntax::ptr cdefParams, AV1UncompressedHeaderSyntax::ptr uncompressedHeader, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.9.19. CDEF params syntax
try
{
if (_curFrameContext.CodedLossless || uncompressedHeader->allow_intrabc ||
!sequenceHeader->enable_cdef
)
{
cdefParams->cdef_bits = 0;
{
{
cdefParams->cdef_y_pri_strength.resize(1);
cdefParams->cdef_y_sec_strength.resize(1);
cdefParams->cdef_uv_pri_strength.resize(1);
cdefParams->cdef_uv_sec_strength.resize(1);
}
cdefParams->cdef_y_pri_strength[0] = 0;
cdefParams->cdef_y_sec_strength[0] = 0;
cdefParams->cdef_uv_pri_strength[0] = 0;
cdefParams->cdef_uv_sec_strength[0] = 0;
_curFrameContext.CdefDamping = 3;
return true;
}
}
cdefParams->cdef_damping_minus_3 = XXX_U8_RB(2);
_curFrameContext.CdefDamping = cdefParams->cdef_damping_minus_3 + 3;
cdefParams->cdef_bits = XXX_U8_RB(2);
{
cdefParams->cdef_y_pri_strength.resize(1 << cdefParams->cdef_bits);
cdefParams->cdef_y_sec_strength.resize(1 << cdefParams->cdef_bits);
cdefParams->cdef_uv_pri_strength.resize(1 << cdefParams->cdef_bits);
cdefParams->cdef_uv_sec_strength.resize(1 << cdefParams->cdef_bits);
}
for (size_t i=0; i<(size_t)(1 << cdefParams->cdef_bits); i++)
{
cdefParams->cdef_y_pri_strength[i] = XXX_U8_RB(4);
cdefParams->cdef_y_sec_strength[i] = XXX_U8_RB(2);
if (cdefParams->cdef_y_sec_strength[i] == 3)
{
cdefParams->cdef_y_sec_strength[i] += 1;
}
if (_curFrameContext.NumPlanes > 1)
{
cdefParams->cdef_uv_pri_strength[i] = XXX_U8_RB(4);
cdefParams->cdef_uv_sec_strength[i] = XXX_U8_RB(2);
if (cdefParams->cdef_uv_sec_strength[i] == 3)
{
cdefParams->cdef_uv_sec_strength[i] += 1;
}
}
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeInterpolationFilterSyntax(AV1BinaryReader::ptr br, AV1InterpolationFilterSyntax::ptr interpolationFilter)
{
// See also : 5.9.10. Interpolation filter syntax
try
{
interpolationFilter->is_filter_switchable = XXX_U8_RB(1);
if (interpolationFilter->is_filter_switchable == 1)
{
interpolationFilter->interpolation_filter = (uint8_t)AV1InterpolationFilterType::AV1_SWITCHABLE;
}
else
{
interpolationFilter->interpolation_filter = XXX_U8_RB(2);
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeQuantizerIndexDeltaParametersSyntax(AV1BinaryReader::ptr br, AV1QuantizerIndexDeltaParametersSyntax::ptr quantizerIndexDeltaParameters, AV1QuantizationParamsSyntax::ptr quantizationParams)
{
// See also : 5.9.17. Quantizer index delta parameters syntax
try
{
quantizerIndexDeltaParameters->delta_q_res = 0;
quantizerIndexDeltaParameters->delta_q_present = 0;
if (quantizationParams->base_q_idx > 0)
{
quantizerIndexDeltaParameters->delta_q_present = XXX_U8_RB(1);
}
if (quantizerIndexDeltaParameters->delta_q_present)
{
quantizerIndexDeltaParameters->delta_q_res = XXX_U8_RB(2);
}
assert(false);
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeQuantizationParamsSyntax(AV1BinaryReader::ptr br, AV1QuantizationParamsSyntax::ptr quantizationParams, AV1ColorConfigSyntax::ptr colorConfig)
{
// See also : 5.9.12. Quantization params syntax
try
{
quantizationParams->base_q_idx = XXX_U8_RB(8);
_curFrameContext.DeltaQYDc = (uint8_t)br->read_delta_q();
if (_curFrameContext.NumPlanes > 1)
{
if (colorConfig->separate_uv_delta_q)
{
quantizationParams->diff_uv_delta = XXX_U8_RB(1);
}
else
{
quantizationParams->diff_uv_delta = 0;
}
_curFrameContext.DeltaQUDc = (uint8_t)br->read_delta_q();
_curFrameContext.DeltaQUAc = (uint8_t)br->read_delta_q();
if (quantizationParams->diff_uv_delta)
{
_curFrameContext.DeltaQVDc = (uint8_t)br->read_delta_q();
_curFrameContext.DeltaQVAc = (uint8_t)br->read_delta_q();
}
else
{
_curFrameContext.DeltaQVDc = _curFrameContext.DeltaQUDc;
_curFrameContext.DeltaQVAc = _curFrameContext.DeltaQUAc;
}
}
else
{
_curFrameContext.DeltaQUDc = 0;
_curFrameContext.DeltaQUAc = 0;
_curFrameContext.DeltaQVDc = 0;
_curFrameContext.DeltaQVAc = 0;
}
quantizationParams->using_qmatrix = XXX_U8_RB(1);
if (quantizationParams->using_qmatrix)
{
quantizationParams->qm_y = XXX_U8_RB(4);
quantizationParams->qm_u = XXX_U8_RB(4);
if (!colorConfig->separate_uv_delta_q)
{
quantizationParams->qm_v = quantizationParams->qm_u;
}
else
{
quantizationParams->qm_v = XXX_U8_RB(4);
}
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeRenderSizeSyntax(AV1BinaryReader::ptr br, AV1RenderSizeSyntax::ptr renderSize)
{
// See also : 5.9.6. Render size syntax
try
{
renderSize->render_and_frame_size_different = XXX_U8_RB(1);
if (renderSize->render_and_frame_size_different == 1)
{
renderSize->render_width_minus_1 = XXX_U16_RB(16);
renderSize->render_height_minus_1 = XXX_U16_RB(16);
_curFrameContext.RenderWidth = renderSize->render_width_minus_1 + 1;
_curFrameContext.RenderHeight = renderSize->render_height_minus_1 + 1;
}
else
{
_curFrameContext.RenderWidth = _curFrameContext.UpscaledWidth;
_curFrameContext.RenderHeight = _curFrameContext.FrameHeight;
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeTemporalDelimiterObuSyntax(AV1BinaryReader::ptr br, AV1TemporalDelimiterObuSyntax::ptr temporalDelimiterObu)
{
// See also : 5.6. Temporal delimiter obu syntax
try
{
_curFrameContext.SeenFrameHeader = 0;
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeColorConfigSyntax(AV1BinaryReader::ptr br, AV1ColorConfigSyntax::ptr colorConfig, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.5.2. Color config syntax
try
{
colorConfig->high_bitdepth = XXX_U8_RB(1);
if (sequenceHeader->seq_profile == (uint8_t)AV1ProfilesType::AV1_Professional && colorConfig->high_bitdepth)
{
colorConfig->twelve_bit = XXX_U8_RB(1);
_curFrameContext.BitDepth = colorConfig->twelve_bit ? 12 : 10;
}
else if (sequenceHeader->seq_profile <= (uint8_t)AV1ProfilesType::AV1_Professional)
{
_curFrameContext.BitDepth = colorConfig->high_bitdepth ? 10 : 8;
}
if (sequenceHeader->seq_profile == (uint8_t)AV1ProfilesType::AV1_High)
{
colorConfig->mono_chrome = 0;
}
else
{
colorConfig->mono_chrome = XXX_U8_RB(1);
}
_curFrameContext.NumPlanes = colorConfig->mono_chrome ? 1 : 3;
colorConfig->color_description_present_flag = XXX_U8_RB(1);
if (colorConfig->color_description_present_flag)
{
colorConfig->color_primaries = XXX_U8_RB(8);
colorConfig->transfer_characteristics = XXX_U8_RB(8);
colorConfig->matrix_coefficients = XXX_U8_RB(8);
}
else
{
colorConfig->color_primaries = (uint8_t)AV1ColorPrimariesType::AV1_CP_UNSPECIFIED;
colorConfig->transfer_characteristics = (uint8_t)AV1TransferCharacteristicsType::AV1_TC_UNSPECIFIED;
colorConfig->matrix_coefficients = (uint8_t)AV1MatrixCoefficientsType::AV1_MC_UNSPECIFIED;
}
if (colorConfig->mono_chrome)
{
colorConfig->color_range = XXX_U8_RB(1);
colorConfig->subsampling_x = 1;
colorConfig->subsampling_y = 1;
colorConfig->chroma_sample_position = (uint8_t)AV1ChromaSamplePositionType::AV1_CSP_UNKNOWN;
colorConfig->separate_uv_delta_q = 0;
}
else if (colorConfig->color_primaries == (uint8_t)AV1ColorPrimariesType::AV1_CP_BT_709 &&
colorConfig->transfer_characteristics == (uint8_t)AV1TransferCharacteristicsType::AV1_TC_SRGB &&
colorConfig->matrix_coefficients == (uint8_t)AV1MatrixCoefficientsType::AV1_MC_IDENTITY
)
{
colorConfig->color_range = 1;
colorConfig->subsampling_x = 0;
colorConfig->subsampling_y = 0;
}
else
{
colorConfig->color_range = XXX_U8_RB(1);
if (sequenceHeader->seq_profile == (uint8_t)AV1ProfilesType::AV1_Main)
{
colorConfig->subsampling_x = 1;
colorConfig->subsampling_y = 1;
}
else if (sequenceHeader->seq_profile == 1)
{
colorConfig->subsampling_x = 0;
colorConfig->subsampling_y = 0;
}
else
{
if (_curFrameContext.BitDepth == 12)
{
colorConfig->subsampling_x = XXX_U8_RB(1);
if (colorConfig->subsampling_x)
{
colorConfig->subsampling_y = XXX_U8_RB(1);
}
else
{
colorConfig->subsampling_y = 0;
}
}
else
{
colorConfig->subsampling_x = 1;
colorConfig->subsampling_y = 0;
}
}
if (colorConfig->subsampling_x && colorConfig->subsampling_y)
{
colorConfig->chroma_sample_position = XXX_U8_RB(2);
}
colorConfig->separate_uv_delta_q = XXX_U8_RB(1);
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeTimingInfoSyntax(AV1BinaryReader::ptr br, AV1TimingInfoSyntax::ptr timingInfo)
{
// See also : 5.5.3. Timing info syntax
try
{
timingInfo->num_units_in_display_tick = XXX_U32_RB(32);
MPP_AV1_SYNTAXT_STRICT_CHECK(timingInfo->num_units_in_display_tick >= 0, "num_units_in_display_tick is greater than 0", return false;);
timingInfo->time_scale = XXX_U32_RB(32);
MPP_AV1_SYNTAXT_STRICT_CHECK(timingInfo->time_scale >= 0, "time_scale is greater than 0 is greater than 0", return false;);
timingInfo->equal_picture_interval = XXX_U8_RB(1);
if (timingInfo->equal_picture_interval)
{
timingInfo->num_ticks_per_picture_minus_1 = (uint32_t)br->uvlc();
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeDecoderModelInfoSyntax(AV1BinaryReader::ptr br, AV1DecoderModelInfoSyntax::ptr decoderModelInfo)
{
// See also : 5.5.4. Decoder model info syntax
try
{
decoderModelInfo->buffer_delay_length_minus_1 = XXX_U8_RB(5);
decoderModelInfo->num_units_in_decoding_tick = XXX_U32_RB(32);
decoderModelInfo->buffer_removal_time_length_minus_1 = XXX_U8_RB(5);
decoderModelInfo->frame_presentation_time_length_minus_1 = XXX_U8_RB(5);
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeOperatingParametersInfoSyntax(AV1BinaryReader::ptr br, AV1OperatingParametersInfoSyntax::ptr operatingParametersInfo, size_t buffer_delay_length_minus_1)
{
// See also : 5.5.5. Operating parameters info syntax
try
{
size_t n = buffer_delay_length_minus_1 + 1;
operatingParametersInfo->decoder_buffer_delay = XXX_U64_RB(n);
operatingParametersInfo->encoder_buffer_delay = XXX_U64_RB(n);
operatingParametersInfo->low_delay_mode_flag = XXX_U8_RB(1);
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeObuHeaderSyntax(AV1BinaryReader::ptr br, AV1ObuHeaderSyntax::ptr obuHeader)
{
// See also : 5.3.2. OBU header syntax
try
{
obuHeader->obu_forbidden_bit = XXX_U8_RB(1);
MPP_AV1_SYNTAXT_STRICT_CHECK(obuHeader->obu_forbidden_bit == 0, "obu_forbidden_bit must be set to 0", return false;);
obuHeader->obu_type = XXX_U8_RB(4);
obuHeader->obu_extension_flag = XXX_U8_RB(1);
obuHeader->obu_has_size_field = XXX_U8_RB(1);
obuHeader->obu_reserved_1bit = XXX_U8_RB(1);
if (obuHeader->obu_extension_flag == 1)
{
obuHeader->obu_extension_header = std::make_shared<AV1ObuExtensionHeaderSyntax>();
if (!DeserializeObuExtensionHeaderSyntax(br, obuHeader->obu_extension_header))
{
AV1_LOG_ERROR << "DeserializeObuExtensionHeaderSyntax fail";
return false;
}
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeObuExtensionHeaderSyntax(AV1BinaryReader::ptr br, AV1ObuExtensionHeaderSyntax::ptr obuExtensionHeader)
{
// See also : 5.3.3. OBU extension header syntax
try
{
obuExtensionHeader->temporal_id = XXX_U8_RB(3);
obuExtensionHeader->spatial_id = XXX_U8_RB(2);
obuExtensionHeader->extension_header_reserved_3bits = XXX_U8_RB(3);
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeSuperresParamsSyntax(AV1BinaryReader::ptr br, AV1SuperresParamsSyntax::ptr superresParams, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.9.8. Superres params syntax
try
{
if (sequenceHeader->enable_superres)
{
superresParams->use_superres = XXX_U8_RB(1);
}
else
{
superresParams->use_superres = 0;
}
if (superresParams->use_superres)
{
superresParams->coded_denom = (uint32_t)br->f(AV1_SYMBOL(SUPERRES_DENOM_BITS));
_curFrameContext.SuperresDenom = superresParams->coded_denom + AV1_SYMBOL(SUPERRES_DENOM_MIN);
}
else
{
_curFrameContext.SuperresDenom = AV1_SYMBOL(SUPERRES_NUM);
}
_curFrameContext.UpscaledWidth = _curFrameContext.FrameWidth;
_curFrameContext.FrameWidth = (_curFrameContext.UpscaledWidth * AV1_SYMBOL(SUPERRES_NUM) + (_curFrameContext.SuperresDenom / 2)) / _curFrameContext.SuperresDenom;
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeFrameSizeSyntax(AV1BinaryReader::ptr br, AV1FrameSizeSyntax::ptr frameSize, AV1UncompressedHeaderSyntax::ptr uncompressedHeader, AV1SequenceHeaderSyntax::ptr sequenceHeader)
{
// See also : 5.9.5. Frame size syntax
try
{
if (uncompressedHeader->frame_size_override_flag)
{
size_t n = 0;
n = sequenceHeader->frame_width_bits_minus_1 + 1;
frameSize->frame_width_minus_1 = XXX_U32_RB(n);
n = sequenceHeader->frame_height_bits_minus_1 + 1;
frameSize->frame_height_minus_1 = XXX_U32_RB(n);
_curFrameContext.FrameWidth = frameSize->frame_width_minus_1 + 1;
_curFrameContext.FrameHeight = frameSize->frame_height_minus_1 + 1;
}
else
{
_curFrameContext.FrameWidth = sequenceHeader->max_frame_width_minus_1 + 1;
_curFrameContext.FrameHeight = sequenceHeader->max_frame_height_minus_1 + 1;
}
frameSize->superres_params = std::make_shared<AV1SuperresParamsSyntax>();
if (!DeserializeSuperresParamsSyntax(br, frameSize->superres_params, sequenceHeader))
{
AV1_LOG_ERROR << "DeserializeSuperresParamsSyntax fail";
return false;
}
compute_image_size();
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeGeneralTileListOBUSyntax(AV1BinaryReader::ptr br, AV1GeneralTileListOBUSyntax::ptr generalTileListOBU)
{
// See also : 5.12.1. General tile list OBU syntax
try
{
generalTileListOBU->output_frame_width_in_tiles_minus_1 = XXX_U8_RB(8);
generalTileListOBU->output_frame_height_in_tiles_minus_1 = XXX_U8_RB(8);
generalTileListOBU->tile_count_minus_1 = XXX_U16_RB(16);
for (size_t tile = 0; tile <= generalTileListOBU->tile_count_minus_1; tile++)
{
AV1TileListEntrySyntax::ptr tile_list_entry = std::make_shared<AV1TileListEntrySyntax>();
if (!DeserializeTileListEntrySyntax(br, tile_list_entry))
{
AV1_LOG_ERROR << "DeserializeTileListEntrySyntax fail";
return false;
}
generalTileListOBU->tile_list_entry.push_back(tile_list_entry);
}
return true;
}
catch (...)
{
return false;
}
}
bool AV1Deserialize::DeserializeTileListEntrySyntax(AV1BinaryReader::ptr br, AV1TileListEntrySyntax::ptr tileListEntry)
{
// See also : 5.12.2. Tile list entry syntax
try
{
tileListEntry->anchor_frame_idx = XXX_U8_RB(8);
tileListEntry->anchor_tile_row = XXX_U8_RB(8);
tileListEntry->anchor_tile_col = XXX_U8_RB(8);
tileListEntry->tile_data_size_minus_1 = XXX_U16_RB(16);
size_t N = 8 * (tileListEntry->tile_data_size_minus_1 + 1);
tileListEntry->coded_tile_data = br->f(N);