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Merge pull request #1021 from wader/av1_obu_derive_more
av1_obu: Add more derived values
This commit is contained in:
Mattias Wadman
GitHub
commit
3917383ffe
@ -221,9 +221,7 @@ func obuDecode(d *decode.D) any {
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operatingPointsCntMinus1 := d.FieldU5("operating_points_cnt_minus_1")
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d.FieldArray("operating_points", func(d *decode.D) {
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for i := uint64(0); i <= operatingPointsCntMinus1; i++ {
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d.FieldStruct("operating_point", func(d *decode.D) {
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d.FieldU12("operating_point_idc")
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seqLevelIdx := d.FieldU5("seq_level_idx")
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@ -233,9 +231,7 @@ func obuDecode(d *decode.D) any {
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} else {
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// nop
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}
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})
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if initialDisplayDelayPresentFlag == 1 {
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initialDisplayDelayPresentForThisOp := d.FieldU1("seq_tier")
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if initialDisplayDelayPresentForThisOp == 1 {
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@ -243,15 +239,16 @@ func obuDecode(d *decode.D) any {
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}
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}
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}
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})
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}
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frameWidthBitsMinus1 := d.FieldU4("frame_width_bits_minus_1")
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frameHeightBitsMinus1 := d.FieldU4("frame_height_bits_minus_1")
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d.FieldU("max_frame_width_minus_1", int(frameWidthBitsMinus1)+1)
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d.FieldU("max_frame_height_minus_1", int(frameHeightBitsMinus1)+1)
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frameWidthMinus1 := d.FieldU("max_frame_width_minus_1", int(frameWidthBitsMinus1)+1)
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frameHeightMinus1 := d.FieldU("max_frame_height_minus_1", int(frameHeightBitsMinus1)+1)
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d.FieldValueUint("frame_width", frameWidthMinus1+1)
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d.FieldValueUint("frame_height", frameHeightMinus1+1)
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var frameIdNumbersPresentFlag uint64 = 0
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if reducedStillPictureHeader == 1 {
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@ -301,33 +298,58 @@ func obuDecode(d *decode.D) any {
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d.FieldU1("enable_cdef")
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d.FieldU1("enable_restoration")
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d.FieldStruct("color_config", func(d *decode.D) {
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// https://aomediacodec.github.io/av1-spec/#color-config-syntax
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highBitdepth := d.FieldU1("high_bitdepth")
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var twelveBit uint64
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var bitDepth uint64 = 0 // TODO: what if seqProfile > 2?
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if seqProfile == 2 && highBitdepth == 1 {
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twelveBit = d.FieldU1("twelve_bit")
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}
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var monoChrome uint64 = 0
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if seqProfile == 1 {
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// nop
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if twelveBit == 1 {
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bitDepth = 12
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} else {
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d.FieldU1("mono_chrome")
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bitDepth = 10
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}
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} else if seqProfile <= 2 {
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if highBitdepth == 1 {
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bitDepth = 10
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} else {
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bitDepth = 8
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}
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}
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d.FieldValueUint("bit_depth", bitDepth)
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var monoChrome uint64
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if seqProfile == 1 {
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d.FieldValueUint("mono_chrome", 0)
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monoChrome = 0
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} else {
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monoChrome = d.FieldU1("mono_chrome")
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}
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colorDescriptionPresentFlag := d.FieldU1("color_description_present_flag")
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var colorPrimaries uint64 = 0
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var transferCharacteristics uint64 = 0
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var matrixCoefficients uint64 = 0
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var colorPrimaries uint64 = CP_UNSPECIFIED
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var transferCharacteristics uint64 = TC_UNSPECIFIED
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var matrixCoefficients uint64 = MC_UNSPECIFIED
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if colorDescriptionPresentFlag == 1 {
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colorPrimaries = d.FieldU8("color_primaries", cpTypeNames)
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transferCharacteristics = d.FieldU8("transfer_characteristics", tcTypeNames)
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matrixCoefficients = d.FieldU8("matrix_coefficients", mcTypeNames)
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} else {
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d.FieldValueUint("color_primaries", transferCharacteristics, cpTypeNames)
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d.FieldValueUint("transfer_characteristics", transferCharacteristics, tcTypeNames)
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d.FieldValueUint("matrix_coefficients", matrixCoefficients, mcTypeNames)
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}
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if monoChrome == 1 {
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d.FieldU1("color_range")
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d.FieldValueUint("subsampling_x", 1)
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d.FieldValueUint("subsampling_y", 1)
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} else if colorPrimaries == CP_BT_709 &&
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transferCharacteristics == TC_SRGB &&
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matrixCoefficients == MC_IDENTITY {
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d.FieldValueUint("color_range", 1)
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d.FieldValueUint("subsampling_x", 0)
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d.FieldValueUint("subsampling_y", 0)
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// nop
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} else {
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d.FieldU1("color_range")
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@ -336,16 +358,23 @@ func obuDecode(d *decode.D) any {
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if seqProfile == 0 {
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subsamplingX = 1
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subsamplingY = 1
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d.FieldValueUint("subsampling_x", subsamplingX)
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d.FieldValueUint("subsampling_y", subsamplingY)
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} else if seqProfile == 1 {
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// nop
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d.FieldValueUint("subsampling_x", subsamplingX)
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d.FieldValueUint("subsampling_y", subsamplingY)
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} else {
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if twelveBit == 1 {
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if bitDepth == 12 {
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subsamplingX = d.FieldU1("subsampling_x")
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if subsamplingX == 1 {
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subsamplingY = d.FieldU1("subsampling_y")
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} else {
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d.FieldValueUint("subsampling_y", subsamplingY)
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}
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} else {
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subsamplingX = 1
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d.FieldValueUint("subsampling_x", subsamplingX)
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d.FieldValueUint("subsampling_y", subsamplingY)
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}
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}
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if subsamplingX == 1 && subsamplingY == 1 {
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@ -22,6 +22,8 @@ $ fq -d av1_obu dv av1_obu_seq_header_film_grain_chrome_sample_pos
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0x00| ab | . | frame_height_bits_minus_1: 10 0x6.2-0x6.6 (0.4)
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0x00| ab bf c3 | ... | max_frame_width_minus_1: 1919 0x6.6-0x8.1 (1.3)
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0x00| c3 71 | .q | max_frame_height_minus_1: 1079 0x8.1-0x9.4 (1.3)
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| | | frame_width: 1920
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| | | frame_height: 1080
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0x00| 71 | q | frame_id_numbers_present_flag: 0 0x9.4-0x9.5 (0.1)
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0x00| 71 | q | use_128x128_superblock: 0 0x9.5-0x9.6 (0.1)
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0x00| 71 | q | enable_filter_intra: 0 0x9.6-0x9.7 (0.1)
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@ -41,12 +43,15 @@ $ fq -d av1_obu dv av1_obu_seq_header_film_grain_chrome_sample_pos
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0x00| e6 | . | enable_restoration: 1 0xb.6-0xb.7 (0.1)
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| | | color_config{}: 0xb.7-0xf.6 (3.7)
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0x00| e6 | . | high_bitdepth: 0 0xb.7-0xc (0.1)
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| | | bit_depth: 8
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0x00| 40 | @ | mono_chrome: 0 0xc-0xc.1 (0.1)
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0x00| 40 | @ | color_description_present_flag: 1 0xc.1-0xc.2 (0.1)
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0x00| 40 40 | @@ | color_primaries: "bt_709" (1) 0xc.2-0xd.2 (1)
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0x00| 40 40 | @@ | transfer_characteristics: "bt_709" (1) 0xd.2-0xe.2 (1)
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0x00| 40 43| @C| matrix_coefficients: "bt_709" (1) 0xe.2-0xf.2 (1)
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0x00| 43| C| color_range: 0 0xf.2-0xf.3 (0.1)
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| | | subsampling_x: 1
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| | | subsampling_y: 1
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0x00| 43| C| chroma_sample_position: 0 0xf.3-0xf.5 (0.2)
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0x00| 43| C| separate_uv_delta_q: 0 0xf.5-0xf.6 (0.1)
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0x00| 43| C| film_grain_params_present: 1 0xf.6-0xf.7 (0.1)
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6
format/matroska/testdata/av1.fqtest
vendored
6
format/matroska/testdata/av1.fqtest
vendored
@ -393,6 +393,8 @@ $ fq -d matroska dv av1.mkv
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0x0230| 1e | . | frame_height_bits_minus_1: 7 0x23d.2-0x23d.6 (0.4)
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0x0230| 1e 7f | .. | max_frame_width_minus_1: 319 0x23d.6-0x23e.7 (1.1)
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0x0230| 7f de| ..| max_frame_height_minus_1: 239 0x23e.7-0x23f.7 (1)
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| | | frame_width: 320
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| | | frame_height: 240
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0x0230| de| .| frame_id_numbers_present_flag: 0 0x23f.7-0x240 (0.1)
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0x0240|21 |! | use_128x128_superblock: 0 0x240-0x240.1 (0.1)
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0x0240|21 |! | enable_filter_intra: 0 0x240.1-0x240.2 (0.1)
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@ -412,11 +414,15 @@ $ fq -d matroska dv av1.mkv
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0x0240| d0 | . | enable_restoration: 1 0x242.1-0x242.2 (0.1)
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| | | color_config{}: 0x242.2-0x245.6 (3.4)
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0x0240| d0 | . | high_bitdepth: 0 0x242.2-0x242.3 (0.1)
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| | | bit_depth: 8
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| | | mono_chrome: 0
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0x0240| d0 | . | color_description_present_flag: 1 0x242.3-0x242.4 (0.1)
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0x0240| d0 20 | . | color_primaries: "unspecified" (2) 0x242.4-0x243.4 (1)
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0x0240| 20 20 | | transfer_characteristics: "unspecified" (2) 0x243.4-0x244.4 (1)
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0x0240| 20 25 | % | matrix_coefficients: "unspecified" (2) 0x244.4-0x245.4 (1)
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0x0240| 25 | % | color_range: 0 0x245.4-0x245.5 (0.1)
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| | | subsampling_x: 0
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| | | subsampling_y: 0
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0x0240| 25 | % | separate_uv_delta_q: 1 0x245.5-0x245.6 (0.1)
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0x0240| 25 | % | film_grain_params_present: 0 0x245.6-0x245.7 (0.1)
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0x0240| 25 | % | data: raw bits 0x245.7-0x246 (0.1)
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12
format/mp4/testdata/av1.fqtest
vendored
12
format/mp4/testdata/av1.fqtest
vendored
@ -249,6 +249,8 @@ $ fq -d mp4 dv av1.mp4
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0x13d0| 1e | . | frame_height_bits_minus_1: 7 0x13d1.2-0x13d1.6 (0.4)
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0x13d0| 1e 7f | .. | max_frame_width_minus_1: 319 0x13d1.6-0x13d2.7 (1.1)
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0x13d0| 7f de | .. | max_frame_height_minus_1: 239 0x13d2.7-0x13d3.7 (1)
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| | | frame_width: 320
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| | | frame_height: 240
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0x13d0| de | . | frame_id_numbers_present_flag: 0 0x13d3.7-0x13d4 (0.1)
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0x13d0| 21 | ! | use_128x128_superblock: 0 0x13d4-0x13d4.1 (0.1)
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0x13d0| 21 | ! | enable_filter_intra: 0 0x13d4.1-0x13d4.2 (0.1)
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@ -268,11 +270,15 @@ $ fq -d mp4 dv av1.mp4
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0x13d0| d0 | . | enable_restoration: 1 0x13d6.1-0x13d6.2 (0.1)
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| | | color_config{}: 0x13d6.2-0x13d9.6 (3.4)
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0x13d0| d0 | . | high_bitdepth: 0 0x13d6.2-0x13d6.3 (0.1)
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| | | bit_depth: 8
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| | | mono_chrome: 0
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0x13d0| d0 | . | color_description_present_flag: 1 0x13d6.3-0x13d6.4 (0.1)
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0x13d0| d0 20 | . | color_primaries: "unspecified" (2) 0x13d6.4-0x13d7.4 (1)
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0x13d0| 20 20 | | transfer_characteristics: "unspecified" (2) 0x13d7.4-0x13d8.4 (1)
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0x13d0| 20 25 | % | matrix_coefficients: "unspecified" (2) 0x13d8.4-0x13d9.4 (1)
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0x13d0| 25 | % | color_range: 0 0x13d9.4-0x13d9.5 (0.1)
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| | | subsampling_x: 0
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| | | subsampling_y: 0
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0x13d0| 25 | % | separate_uv_delta_q: 1 0x13d9.5-0x13d9.6 (0.1)
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0x13d0| 25 | % | film_grain_params_present: 0 0x13d9.6-0x13d9.7 (0.1)
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0x13d0| 25 | % | data: raw bits 0x13d9.7-0x13da (0.1)
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@ -388,6 +394,8 @@ $ fq -d mp4 dv av1.mp4
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0x0030| 1e | . | frame_height_bits_minus_1: 7 0x32.2-0x32.6 (0.4)
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0x0030| 1e 7f | .. | max_frame_width_minus_1: 319 0x32.6-0x33.7 (1.1)
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0x0030| 7f de | .. | max_frame_height_minus_1: 239 0x33.7-0x34.7 (1)
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| | | frame_width: 320
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| | | frame_height: 240
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0x0030| de | . | frame_id_numbers_present_flag: 0 0x34.7-0x35 (0.1)
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0x0030| 21 | ! | use_128x128_superblock: 0 0x35-0x35.1 (0.1)
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0x0030| 21 | ! | enable_filter_intra: 0 0x35.1-0x35.2 (0.1)
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@ -407,11 +415,15 @@ $ fq -d mp4 dv av1.mp4
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0x0030| d0 | . | enable_restoration: 1 0x37.1-0x37.2 (0.1)
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| | | color_config{}: 0x37.2-0x3a.6 (3.4)
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0x0030| d0 | . | high_bitdepth: 0 0x37.2-0x37.3 (0.1)
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| | | bit_depth: 8
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| | | mono_chrome: 0
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0x0030| d0 | . | color_description_present_flag: 1 0x37.3-0x37.4 (0.1)
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0x0030| d0 20 | . | color_primaries: "unspecified" (2) 0x37.4-0x38.4 (1)
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0x0030| 20 20 | | transfer_characteristics: "unspecified" (2) 0x38.4-0x39.4 (1)
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0x0030| 20 25 | % | matrix_coefficients: "unspecified" (2) 0x39.4-0x3a.4 (1)
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0x0030| 25 | % | color_range: 0 0x3a.4-0x3a.5 (0.1)
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| | | subsampling_x: 0
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| | | subsampling_y: 0
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0x0030| 25 | % | separate_uv_delta_q: 1 0x3a.5-0x3a.6 (0.1)
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0x0030| 25 | % | film_grain_params_present: 0 0x3a.6-0x3a.7 (0.1)
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0x0030| 25 | % | data: raw bits 0x3a.7-0x3b (0.1)
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