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diff --git a/third_party/aom/CHANGELOG b/third_party/aom/CHANGELOG new file mode 100644 index 0000000000..b243837d3c --- /dev/null +++ b/third_party/aom/CHANGELOG @@ -0,0 +1,828 @@ +2023-11-30 v3.8.0 + This release includes new codec interfaces, compression efficiency and + perceptual improvements, speedup and memory optimizations and many bug + fixes. This release is ABI compatible with the last release. + + - New Features + * New codec controls: + * AV1E_SET_MAX_CONSEC_FRAME_DROP_CBR: Set the maximum number of + consecutive frame drops allowed for the frame dropper in 1 pass + CBR mode. + * Run-time CPU feature detection for all Arm platforms: + CRC, DotProd, I8MM and SVE CPU feature presence is detected at run + time and code paths making use of these features are selected + dynamically. These code paths provide meaningful performance gains + for standard bitdepth RTC and VoD encoding: up to 10% and 20% + respectively, over the Armv8.0-A baseline build. + * RTC: Frame-dropper support added to the rate control library. + * RTC Rate control improvements for low bitrate and for SVC. + + - Compression Efficiency Improvements + * Improved accuracy of cost estimation for loop restoration and + global motion. + * Improved selection of loop restoration unit size - full search up + to (non-realtime) speed 2, retuned static selection at higher + speeds. + * RTC Screen content mode: 3-5% bdrate gains across speeds 7 - 10. + * Good-quality mode: 0.2 - 0.5% bdrate gains across speeds 1 - 4. + + - Perceptual Quality Improvements + * RTC Screen: Improved visual quality for scrolling. + * RTC: Improved color quality for both screen and video mode. + + - Speedup and Memory Optimizations + * Good-quality, single-thread encoder speedups: + o 15% improvement for speed 5. + o 12% improvement for speed 6. + * Arm standard bitdepth VoD (--good): + o 8% speedup for speeds 0 and 1. + o 20% speedup for speed 2. + o 27% speedup for speed 3. + o 30% speedup for speed 4. + o 38% speedup for speeds 5 and 6. + * Arm high bitdepth VoD (--good): + o 206% speedup for speeds 0 and 1. + o 180% speedup for speed 2. + o 51% speedup for speeds 3 and 4. + o 68% speedup for speed 5. + o 72% speedup for speed 6. + * RTC Screen content: 2-6% speedup across speeds 7-10. + * RTC: 2-3% speedup for temporal layers. + * RTC: Speedups to reference scaling in nonrd pickmode. + * Good-quality mode: Simplified global motion estimation, saving + ~1200 lines of code and 1KB of tables while improving quality. + + - Bug Fixes + * Fixes to improve libaom stability in case of memory allocation + failures. + * Fixes to SIMD functions (x86 AVX2/SSE2 and ARM Neon). + * b/310457427, b/310766628: Bug fixes to only use rec_sse in CBR + mode. + +2023-11-17 v3.7.1 + This release includes several bug fixes. This release is ABI + compatible with the last release. See + https://aomedia.googlesource.com/aom/+log/v3.7.0..v3.7.1 for all the + commits in this release. + + - Bug Fixes + * aomedia:3349: heap overflow when increasing resolution + * aomedia:3478: GCC 12.2.0 emits a -Wstringop-overflow warning on + aom/av1/encoder/motion_search_facade.c + * aomedia:3489: Detect encoder and image high bit depth mismatch + * aomedia:3491: heap-buffer-overflow on frame size change (CVE-2023-6879) + * b/303023614: Segfault at encoding time for high bit depth images + +2023-08-10 v3.7.0 + This release includes new codec interfaces, compression efficiency and + perceptual improvements, speedup and memory optimizations and many bug fixes. + This release is ABI compatible with the last release. + + - New Features + * New codec controls: + * AV1E_SET_QUANTIZER_ONE_PASS: Set quantizer for each frame. + * AV1E_ENABLE_RATE_GUIDE_DELTAQ: enable the rate distribution guided delta + quantization in all intra mode. The "enable-rate-guide-deltaq" option is + added for this control. + * AV1E_SET_RATE_DISTRIBUTION_INFO: set the input file for rate + distribution used in all intra mode. The "rate-distribution-info" option + is added for this control. + * AV1E_GET_LUMA_CDEF_STRENGTH + * AV1E_SET_BITRATE_ONE_PASS_CBR + * AOM_SCALING_MODE is extended to include 2/3 and 1/3 scaling. + * aom_tune_metric is extended to include AOM_TUNE_VMAF_SALIENCY_MAP. + The "tune" option is extended to include "vmaf_saliency_map". + * SVC example encoder svc_encoder_rtc is able to use the rate control + library. + * Loopfilter level and CDEF filter level is supported by RTC rate control + library. + * New speed (--cpu-used) 11, intended for RTC screen sharing, added for + faster encoding with ~3% bdrate loss with 16% IC (instruction count) + speedup compared to speed 10. + + - Compression Efficiency Improvements + * Improved VoD encoding performance + * 0.1-0.6% BDrate gains for encoding speeds 2 to 6 + * Rate control accuracy improvement in VBR mode + * RTC encoding improvements + * Screen content mode: 10-19% BDrate gains for speeds 6 - 10 + * Temporal layers video mode, for speed 10: + * 2 temporal layers on low resolutions: 13-15% BDrate gain + * 3 temporal layers on VGA/HD: 3-4% BDrate gain + + - Perceptual Quality Improvements + * Fixed multiple block and color artifacts for RTC screen content by + * Incorporating color into RD cost for IDTX + * Reducing thresholds for palette mode in non RD mode + * Allowing more palette mode testing + * Improved color sensitivity for altref in non-RD mode. + * Reduced video flickering for temporal layer encoding. + + - Speedup and Memory Optimizations + * Speed up the VoD encoder + * 2-5% for encoding speed 2 to 4 + * 9-15% for encoding speed 5 to 6 + * ARM + * Standard bitdepth + * speed 5: +31% + * speed 4: +2% + * speed 3: +9% + * speed 2: +157% + * High bitdepth + * speed 5: +85% + * RTC speedups + * Screen content mode + * 15% IC speedup for speeds 6-8 + * ARM: 7% for speed 9, 3% for speed 10 + * Temporal layers video mode + * 7% speedup for 3 temporal layers on VGA/HD, for speed 10 + * Single layer video + * x86: 2% IC speedup for speeds 7-10 + * ARM: 2-4% speedup across speeds 5-10 + + - Other improvements + * VoD: Major improvements to global motion estimation, now enabled up to + speed 4 + * RTC + * Fixes to make lossless coding work. + * Fixes to make frame dropper (--drop_frames) work for single and temporal + layers. + * Improvements to RPS (reference picture selection) recovery frames. + * Improvements to rate control for temporal layers. + * libwebm is updated to libwebm-1.0.0.29-9-g1930e3c + + - Bug Fixes + * aomedia:3261 Assertion failed when encoding av1 with film grain and + '--monochrome' flag + * aomedia:3276 ensure all allocations are checked (partial fix) + * aomedia:3451 The libaom library calls exit() + * aomedia:3450 enable -Wshadow for C++ sources + * aomedia:3449 Test Seg Faults After + b459af3e345be402db052a143fcc5383d4b74cbd + * aomedia:3416 prune unused symbols / restrict symbol visibility + * aomedia:3443 Jenkins failure: + UninstantiatedParameterizedTestSuite<EstimateNoiseTest> + * aomedia:3434 realtime failures with CONFIG_BITSTREAM_DEBUG=1 + * aomedia:3433 DeltaqModeTest crash w/row_mt=0 + * aomedia:3429 Encoder crash when turn on both ExternalResize and + g_threads > 2 + * aomedia:3438 Build failure with + `-DSANITIZE=address -DBUILD_SHARED_LIBS=ON` when using clang. + * aomedia:3435 Block artifacts when scrolling with AV1 in screen sharing + scenarios + * aomedia:3170 vmaf tune presets produce extreme glitches in one scene + * aomedia:3401 Building shared libaom with MSVC results in a race condition + with the export library + * aomedia:3420 Floating point exception in av1_tpl_get_frame_importance() + * aomedia:3424 heap-buffer-overflow in ScaleFilterCols_16_C() (SIGABRT) + * aomedia:3417 examples/svc_encoder_rtc.c is using internal macros and + functions + * aomedia:3372 SEGV in assign_frame_buffer_p av1_common_int.h + * aomedia:3130 'cpu-features.h' file not found on Android NDK 22 + * aomedia:3415 Encoder/decoder mismatch for svc_encoder_rtc running + 1 SL 3 TL + * aomedia:3412 Lossless Mode Fails Loopback Bit Test + * aomedia:3409 The use of AV1_VAR_OFFS in av1/encoder/var_based_part.c is + incorrect for high bit depths + * aomedia:3403 test_libaom fails with error message + "feenableexcept() failed" on Linux arm + * aomedia:3370 Random color block at fast motion area + * aomedia:3393 Assertion failure in av1_convolve_2d_sr_c() + * aomedia:3392 Strong artifacting for high bit-depth real-time + * aomedia:3376 aomenc --threads=10 --deltaq-mode=3 crashes after + "Allintra: multi-threading of calculating differential contrast" + * aomedia:3380 Crashes and ASan and TSan errors in deltaq-mode=3 + multithreading code + * chromium:1410766 heap-buffer-overflow in aom_yv12_copy_v_c + * Cannot set level via AV1E_SET_TARGET_SEQ_LEVEL_IDX + * Encoding failure due to the use of loop restoration with unintended use of + lossless mode. + * Signed integer overflow in scan_past_frames + * Signed integer overflow in update_a_sep_sym + * Flickering in AV1 1440p/2160p HDR transcodes + * Fixed artifacts with screen share at encoder speed 10 + * Fixed prediction setup for IDTX + +2023-05-08 v3.6.1 + This release includes several bug fixes. This release is ABI + compatible with the last release. See + https://aomedia.googlesource.com/aom/+log/v3.6.0..v3.6.1 for all the + commits in this release. + + - Bug Fixes + * aomedia:2871: Guard the support of the 7.x and 8.x levels for AV1 + under the CONFIG_CWG_C013 config flag, and only output the 7.x and + 8.x levels when explicitly requested. + * aomedia:3382: Choose sb_size by ppi instead of svc. + * aomedia:3384: Fix fullpel search limits. + * aomedia:3388: Replace left shift of xq_active by multiplication. + * aomedia:3389: Fix MV clamping in av1_mv_pred. + * aomedia:3390: set_ld_layer_depth: cap max_layer_depth to + MAX_ARF_LAYERS. + * aomedia:3418: Fix MV clamping in av1_int_pro_motion_estimation. + * aomedia:3429: Move lpf thread data init to lpf_pipeline_mt_init(). + * b:266719111: Fix undefined behavior in Arm Neon code. + * b:269840681: nonrd_opt: align scan tables. + * rtc: Fix is_key_frame setting in variance partition. + * Build: Fix build with clang-cl and Visual Studio. + * Build: Fix module definition file for MinGW/MSYS. + +2023-02-03 v3.6.0 + This release includes compression efficiency and perceptual quality + improvements, speedup and memory optimizations, and some new features. + This release is ABI compatible with the last release. + + - New Features + * New values 20-27 (corresponding to levels 7.0-7.3 and 8.0-8.3) for + the encoder control AV1E_SET_TARGET_SEQ_LEVEL_IDX (note that the + proposal to add the new levels are still in draft status). The + original special value 24 (keep level stats only for level + monitoring) is renumbered as 32. + * New encoder control AV1E_SET_SKIP_POSTPROC_FILTERING to skip the + application of post-processing filters on reconstructed frame in + all intra mode. + * New encoder option "kf-max-pyr-height": Maximum height of pyramid + structure used for the GOP starting with a key frame (-1 to 5). + * Make SVC work for screen content. + * Rate control improvements to reduce frame-size spikes for screen + content coding. + * RISC-V architecture support with gcc toolchain. + + - Compression Efficiency Improvements + * Peak compression efficiency in VOD setting is improved by 1%. + * 0.7% - 2.2% RTC encoding BDrate gains for real time speed 8 to 10. + * 15% RTC encoding BDrate gains for screen content speed 10. + + - Perceptual Quality Improvements + * Resolved a visual quality issue that was reported for high + resolution clips (2K) for speed 4 and above in VOD use case. + * Visual quality improvements to screen content coding. + * Quality improvements to temporal layer RTC coding. + + - Speedup and Memory Optimizations + * RTC single-thread encoder speedup: + o ~6% instruction count reduction for speed 5 and 6. + o ~15% instruction count reduction for speed 7. + o ~10% instruction count reduction for speed 8 to 10 (>=360p + resolutions). + * RTC multi-thread encoder speedup (beyond single-thread speedup): + o 5-8% encode time reduction for speed 7 to 10. + * RTC screen-content encoder speedup: + o 11% instruction count reduction for speed 9 and 10 (>=720p + resolutions). + * ~5% reduction in heap memory requirements for RTC, speed 6 to 10. + * AVIF: + o 4-5% speedup for speed 9 in still-picture encoding mode. + o 3-4% heap memory reduction in still-picture encoding mode for + 360p-720p resolutions with multiple threads. + + - Bug Fixes + * Added a workaround for an AV1 specification bug which makes + TRANSLATION type global motion models unusable. + * Fixed AddressSanitizer global-buffer-overflow errors in + av1/encoder/arm/neon/av1_fwd_txfm2d_neon.c. + * Fixed AddressSanitizer heap-buffer-overflow error in + av1_wiener_convolve_add_src_neon(). + * chromium:1393384 Avoid scene detection on spatial resize. + * aomedia:3308 Remove color artifacts under high motion. + * aomedia:3310 Avoid out of memory failures with Visual Studio 2017, + 2019, and 2022 for Win32 x86 builds. + * aomedia:3346 Make SVC work properly for screen content. + * aomedia:3348 Fix a bug where an uninitialized search_site is used. + * aomedia:3365 Work around what seems like a Visual Studio 2022 + compiler optimization bug. + * aomedia:3369 Incorrect PSNR values reported by libaom for 12-bit + encode. + +2022-08-31 v3.5.0 + This release is ABI compatible with the last one, including speedup and memory + optimizations, and new APIs and features. + + - New Features + * Support for frame parallel encode for larger number of threads. --fp-mt + flag is available for all build configurations. + * New codec control AV1E_GET_NUM_OPERATING_POINTS + + - Speedup and Memory Optimizations + * Speed-up multithreaded encoding for good quality mode for larger number of + threads through frame parallel encoding: + o 30-34% encode time reduction for 1080p, 16 threads, 1x1 tile + configuration (tile_rows x tile_columns) + o 18-28% encode time reduction for 1080p, 16 threads, 2x4 tile + configuration + o 18-20% encode time reduction for 2160p, 32 threads, 2x4 tile + configuration + * 16-20% speed-up for speed=6 to 8 in still-picture encoding mode + * 5-6% heap memory reduction for speed=6 to 10 in real-time encoding mode + * Improvements to the speed for speed=7, 8 in real-time encoding mode + * Improvements to the speed for speed=9, 10 in real-time screen encoding + mode + * Optimizations to improve multi-thread efficiency in real-time encoding + mode + * 10-15% speed up for SVC with temporal layers + * SIMD optimizations: + o Improve av1_quantize_fp_32x32_neon() 1.05x to 1.24x faster + o Add aom_highbd_quantize_b{,_32x32,_64x64}_adaptive_neon() 3.15x to 5.6x + faster than "C" + o Improve av1_quantize_fp_64x64_neon() 1.17x to 1.66x faster + o Add aom_quantize_b_avx2() 1.4x to 1.7x faster than aom_quantize_b_avx() + o Add aom_quantize_b_32x32_avx2() 1.4x to 2.3x faster than + aom_quantize_b_32x32_avx() + o Add aom_quantize_b_64x64_avx2() 2.0x to 2.4x faster than + aom_quantize_b_64x64_ssse3() + o Add aom_highbd_quantize_b_32x32_avx2() 9.0x to 10.5x faster than + aom_highbd_quantize_b_32x32_c() + o Add aom_highbd_quantize_b_64x64_avx2() 7.3x to 9.7x faster than + aom_highbd_quantize_b_64x64_c() + o Improve aom_highbd_quantize_b_avx2() 1.07x to 1.20x faster + o Improve av1_quantize_fp_avx2() 1.13x to 1.49x faster + o Improve av1_quantize_fp_32x32_avx2() 1.07x to 1.54x faster + o Improve av1_quantize_fp_64x64_avx2() 1.03x to 1.25x faster + o Improve av1_quantize_lp_avx2() 1.07x to 1.16x faster + + - Bug fixes including but not limited to + * aomedia:3206 Assert that skip_width > 0 for deconvolve function + * aomedia:3278 row_mt enc: Delay top-right sync when intraBC is enabled + * aomedia:3282 blend_a64_*_neon: fix bus error in armv7 + * aomedia:3283 FRAME_PARALLEL: Propagate border size to all cpis + * aomedia:3283 RESIZE_MODE: Fix incorrect strides being used for motion + search + * aomedia:3286 rtc-svc: Fix to dynamic_enable spatial layers + * aomedia:3289 rtc-screen: Fix to skipping inter-mode test in nonrd + * aomedia:3289 rtc-screen: Fix for skip newmv on flat blocks + * aomedia:3299 Fix build failure with CONFIG_TUNE_VMAF=1 + * aomedia:3296 Fix the conflict --enable-tx-size-search=0 with nonrd mode + --enable-tx-size-search will be ignored in non-rd pick mode + * aomedia:3304 Fix off-by-one error of max w/h in validate_config + * aomedia:3306 Do not use pthread_setname_np on GNU/Hurd + * aomedia:3325 row-multithreading produces invalid bitstream in some cases + * chromium:1346938, chromium:1338114 + * compiler_flags.cmake: fix flag detection w/cmake 3.17-3.18.2 + * tools/*.py: update to python3 + * aom_configure.cmake: detect PIE and set CONFIG_PIC + * test/simd_cmp_impl: use explicit types w/CompareSimd* + * rtc: Fix to disable segm for aq-mode=3 + * rtc: Fix to color_sensitivity in variance partition + * rtc-screen: Fix bsize in model rd computation for intra chroma + * Fixes to ensure the correct behavior of the encoder algorithms (like + segmentation, computation of statistics, etc.) + +2022-06-17 v3.4.0 + This release includes compression efficiency and perceptual quality + improvements, speedup and memory optimizations, and some new features. + There are no ABI or API breaking changes in this release. + + - New Features + * New --dist-metric flag with "qm-psnr" value to use quantization + matrices in the distortion computation for RD search. The default + value is "psnr". + * New command line option "--auto-intra-tools-off=1" to make + all-intra encoding faster for high bit rate under + "--deltaq-mode=3" mode. + * New rate control library aom_av1_rc for real-time hardware + encoders. Supports CBR for both one spatial layer and SVC. + * New image format AOM_IMG_FMT_NV12 can be used as input to the + encoder. The presence of AOM_IMG_FMT_NV12 can be detected at + compile time by checking if the macro AOM_HAVE_IMG_FMT_NV12 is + defined. + * New codec controls for the encoder: + o AV1E_SET_AUTO_INTRA_TOOLS_OFF. Only in effect if + --deltaq-mode=3. + o AV1E_SET_RTC_EXTERNAL_RC + o AV1E_SET_FP_MT. Only supported if libaom is built with + -DCONFIG_FRAME_PARALLEL_ENCODE=1. + o AV1E_GET_TARGET_SEQ_LEVEL_IDX + * New key-value pairs for the key-value API: + o --auto-intra-tools-off=0 (default) or 1. Only in effect if + --deltaq-mode=3. + o --strict-level-conformance=0 (default) or 1 + o --fp-mt=0 (default) or 1. Only supported if libaom is built + with -DCONFIG_FRAME_PARALLEL_ENCODE=1. + * New aomenc options (not supported by the key-value API): + o --nv12 + + - Compression Efficiency Improvements + * Correctly calculate SSE for high bitdepth in skip mode, 0.2% to + 0.6% coding gain. + * RTC at speed 9/10: BD-rate gain of ~4/5% + * RTC screen content coding: many improvements for real-time screen + at speed 10 (quality, speedup, and rate control), up to high + resolutions (1080p). + * RTC-SVC: fixes to make intra-only frames work for spatial layers. + * RTC-SVC: quality improvements for temporal layers. + * AV1 RT: A new passive rate control strategy for screen content, an + average of 7.5% coding gain, with some clips of 20+%. The feature + is turned off by default due to higher bit rate variation. + + - Perceptual Quality Improvements + * RTC: Visual quality improvements for high speeds (9/10) + * Improvements in coding quality for all intra mode + + - Speedup and Memory Optimizations + * ~10% speedup in good quality mode encoding. + * ~7% heap memory reduction in good quality encoding mode for speed + 5 and 6. + * Ongoing improvements to intra-frame encoding performance on Arm + * Faster encoding speed for "--deltaq-mode=3" mode. + * ~10% speedup for speed 5/6, ~15% speedup for speed 7/8, and + ~10% speedup for speed 9/10 in real time encoding mode + * ~20% heap memory reduction in still-picture encoding mode for + 360p-720p resolutions with multiple threads + * ~13% speedup for speed 6 and ~12% speedup for speed 9 in + still-picture encoding mode. + * Optimizations to improve multi-thread efficiency for still-picture + encoding mode. + + - Bug Fixes + * b/204460717: README.md: replace master with main + * b/210677928: libaom disable_order is surprising for + max_reference_frames=3 + * b/222461449: -DCONFIG_TUNE_BUTTERAUGLI=1 broken + * b/227207606: write_greyscale writes incorrect chroma in highbd + mode + * b/229955363: Integer-overflow in linsolve_wiener + * https://crbug.com/aomedia/2032 + * https://crbug.com/aomedia/2397 + * https://crbug.com/aomedia/2563 + * https://crbug.com/aomedia/2815 + * https://crbug.com/aomedia/3009 + * https://crbug.com/aomedia/3018 + * https://crbug.com/aomedia/3045 + * https://crbug.com/aomedia/3101 + * https://crbug.com/aomedia/3130 + * https://crbug.com/aomedia/3173 + * https://crbug.com/aomedia/3184 + * https://crbug.com/aomedia/3187 + * https://crbug.com/aomedia/3190 + * https://crbug.com/aomedia/3195 + * https://crbug.com/aomedia/3197 + * https://crbug.com/aomedia/3201 + * https://crbug.com/aomedia/3202 + * https://crbug.com/aomedia/3204 + * https://crbug.com/aomedia/3205 + * https://crbug.com/aomedia/3207 + * https://crbug.com/aomedia/3208 + * https://crbug.com/aomedia/3209 + * https://crbug.com/aomedia/3213 + * https://crbug.com/aomedia/3214 + * https://crbug.com/aomedia/3219 + * https://crbug.com/aomedia/3222 + * https://crbug.com/aomedia/3223 + * https://crbug.com/aomedia/3225 + * https://crbug.com/aomedia/3226 + * https://crbug.com/aomedia/3228 + * https://crbug.com/aomedia/3232 + * https://crbug.com/aomedia/3236 + * https://crbug.com/aomedia/3237 + * https://crbug.com/aomedia/3238 + * https://crbug.com/aomedia/3240 + * https://crbug.com/aomedia/3243 + * https://crbug.com/aomedia/3244 + * https://crbug.com/aomedia/3246 + * https://crbug.com/aomedia/3248 + * https://crbug.com/aomedia/3250 + * https://crbug.com/aomedia/3251 + * https://crbug.com/aomedia/3252 + * https://crbug.com/aomedia/3255 + * https://crbug.com/aomedia/3257 + * https://crbug.com/aomedia/3259 + * https://crbug.com/aomedia/3260 + * https://crbug.com/aomedia/3267 + * https://crbug.com/aomedia/3268 + * https://crbug.com/aomedia/3269 + * https://crbug.com/aomedia/3276 + * https://crbug.com/aomedia/3278 + * https://crbug.com/chromium/1290068 + * https://crbug.com/chromium/1303237 + * https://crbug.com/chromium/1304990 + * https://crbug.com/chromium/1321141 + * https://crbug.com/chromium/1321388 + * https://crbug.com/oss-fuzz/44846 + * https://crbug.com/oss-fuzz/44856 + * https://crbug.com/oss-fuzz/44862 + * https://crbug.com/oss-fuzz/44904 + * https://crbug.com/oss-fuzz/45056 + +2022-01-28 v3.3.0 + This release includes compression efficiency and perceptual quality + improvements, speedup and memory optimizations, some new features, and + several bug fixes. + + - New Features + * AV1 RT: Introducing CDEF search level 5 + * Changed real time speed 4 to behave the same as real time speed 5 + * Add --deltaq-strength + * rtc: Allow scene-change and overshoot detection for svc + * rtc: Intra-only frame for svc + * AV1 RT: Option 2 for codec control AV1E_SET_ENABLE_CDEF to disable + CDEF on non-ref frames + * New codec controls AV1E_SET_LOOPFILTER_CONTROL and + AOME_GET_LOOPFILTER_LEVEL + * Improvements to three pass encoding + + - Compression Efficiency Improvements + * Overall compression gains: 0.6% + + - Perceptual Quality Improvements + * Improves the perceptual quality of high QP encoding for delta-q mode 4 + * Auto select noise synthesis level for all intra + + - Speedup and Memory Optimizations + * Added many SSE2 optimizations. + * Good quality 2-pass encoder speedups: + o Speed 2: 9% + o Speed 3: 12.5% + o Speed 4: 8% + o Speed 5: 3% + o Speed 6: 4% + * Real time mode encoder speedups: + o Speed 5: 2.6% BDRate gain, 4% speedup + o Speed 6: 3.5% BDRate gain, 4% speedup + o Speed 9: 1% BDRate gain, 3% speedup + o Speed 10: 3% BDRate gain, neutral speedup + * All intra encoding speedups (AVIF): + o Single thread - speed 6: 8% + o Single thread - speed 9: 15% + o Multi thread(8) - speed 6: 14% + o Multi thread(8) - speed 9: 34% + + - Bug Fixes + * Issue 3163: Segmentation fault when using --enable-keyframe-filtering=2 + * Issue 2436: Integer overflow in av1_warp_affine_c() + * Issue 3226: armv7 build failure due to gcc-11 + * Issue 3195: Bug report on libaom (AddressSanitizer: heap-buffer-overflow) + * Issue 3191: Bug report on libaom (AddressSanitizer: SEGV on unknown + address) + * Issue 3176: Some SSE2/SADx4AvgTest.* tests fail on Windows + * Issue 3175: Some SSE2/SADSkipTest.* tests fail on Windows + +2021-10-13 v3.2.0 + This release includes compression efficiency and perceptual quality + improvements, speedup and memory optimizations, as well as some new + features. + + - New Features + * Introduced speeds 7, 8, and 9 for all intra mode. + * Introduced speed 10 for real time mode. + * Introduced an API that allows external partition decisions. + * SVC: added support for compound prediction. + * SVC: added support for fixed SVC modes. + + - Compression Efficiency Improvements + * Intra-mode search improvement. + * Improved real time (RT) mode BDrate savings by ~5% (RT speed 5) + and ~12% (RT speed 6). The improvement was measured on the video + conference set. + * Improved real time mode for nonrd path (speed 7, 8, 9): BDrate + gains of ~3-5%. + * Rate control and RD adjustments based on ML research in VP9. + Gains of ~0.5-1.0% for HD. + + - Perceptual Quality Improvements + * Added a new mode --deltaq-mode=3 to improve perceptual quality + based on a differential contrast model for still images. + * Added a new mode --deltaq-mode=4 to improve perceptual quality + based on user rated cq_level data set for still images. + * Weighting of some intra mode and partition size choices to better + manage and retain texture. + + - Speedup and Memory Optimizations + * Further improved 2-pass good quality encoder speed: + o Speed 2 speedup: 18% + o Speed 3 speedup: 22% + o Speed 4 speedup: 37% + o Speed 5 speedup: 30% + o Speed 6 speedup: 20% + * Optimized the real time encoder (measured on the video conference + set): + o RT speed 5 speedup: 110% + o RT speed 6 speedup: 77% + + - Bug Fixes + * Issue 3069: Fix one-pass mode keyframe placement off-by-one error. + * Issue 3156: Fix a bug in av1_quantize_lp AVX2 optimization. + +2021-09-29 v3.1.3 + This release includes several bug fixes. + + - Bug fixes: + The following four cmake changes should help the people building + libaom using MSVC. + 1. exports: use CMAKE_SHARED_LIBRARY_PREFIX to determine lib name + https://aomedia-review.googlesource.com/c/aom/+/142342 + 2. aom_install: Install lib dlls to bindir + https://aomedia-review.googlesource.com/c/aom/+/146546 + 3. aom_install: use relpath for install + https://aomedia-review.googlesource.com/c/aom/+/146550 + 4. aom_install: don't exclude msvc from install + https://aomedia-review.googlesource.com/c/aom/+/146547 + + aom/aom_encoder.h: remove configure option reference + https://aomedia-review.googlesource.com/c/aom/+/146743 + + Issue 3113: Tests for detecting chroma subsampling in + av1_copy_and_extend_frame() do not work when y_width or y_height is + 1 + + Issue 3115: image2yuvconfig() should calculate uv_crop_width and + uv_crop_height from y_crop_width and y_crop_height + + Issue 3140: rc_overshoot_pct is documented as having a range of + 0-1000, but is range checked against 0-100 + + Issue 3147: Build failure on Apple M1 arm64 + +2021-07-20 v3.1.2 + This release includes several bug fixes. + + - Bug fixes: + exports.cmake: use APPLE and WIN32 and use def for mingw-w64 + https://aomedia-review.googlesource.com/c/aom/+/139882 + + Issue 2993: Incorrect spatial_id when decoding base layer of + multi-layer stream + + Issue 3080: Chroma Resampling by Encoder on Y4M Inputs Files Tagged + as C420mpeg2 + + Issue 3081: Use of uninitialized value $version_extra in + concatenation (.) or string at aom/build/cmake/version.pl line 88. + +2021-06-08 v3.1.1 + This release includes several bug fixes. + + - Bug fixes: + Issue 2965: Cherry-picked the following four commits for the + tune=butteraugli mode. + 1. Add libjxl to pkg_config if enabled: + https://aomedia-review.googlesource.com/c/aom/+/136044 + 2. Declare set_mb_butteraugli_rdmult_scaling static: + https://aomedia-review.googlesource.com/c/aom/+/134506 + 3. Add color range detection in tune=butteraugli mode: + https://aomedia-review.googlesource.com/c/aom/+/135521 + 4. Enable tune=butteraugli in all-intra mode: + https://aomedia-review.googlesource.com/c/aom/+/136082 + + Issue 3021: Fix vmaf model initialization error when not set to + tune=vmaf + + Issue 3050: Compilation fails with -DCONFIG_TUNE_VMAF=1 + + Issue 3054: Consistent crash on near-static screen content, keyframe + related + +2021-05-03 v3.1.0 + This release adds an "all intra" mode to the encoder, which significantly + speeds up the encoding of AVIF still images at speed 6. + + - Upgrading: + All intra mode for encoding AVIF still images and AV1 all intra videos: + AOM_USAGE_ALL_INTRA (2) can be passed as the 'usage' argument to + aom_codec_enc_config_default(). + + New encoder control IDs added: + - AV1E_SET_ENABLE_DIAGONAL_INTRA: Enable diagonal (D45 to D203) intra + prediction modes (0: false, 1: true (default)). Also available as + "enable-diagonal-intra" for the aom_codec_set_option() function. + + New aom_tune_metric enum value: AOM_TUNE_BUTTERAUGLI. The new aomenc option + --tune=butteraugli was added to optimize the encoder's perceptual quality by + optimizing the Butteraugli metric. Install libjxl (JPEG XL) and then pass + -DCONFIG_TUNE_BUTTERAUGLI=1 to the cmake command to enable it. + + Addition of support for libvmaf 2.x. + + - Enhancements: + Heap memory consumption for encoding AVIF still images is significantly + reduced. + + - Bug fixes: + Issue 2601: third_party/libaom fails licensecheck + + Issue 2950: Conditional expression for rc->this_key_frame_forced is always + true in find_next_key_frame() + + Issue 2988: "make install" installs the aom.h header twice + + Issue 2992: Incorrectly printing the temporal_id twice in dump_obu tool + + Issue 2998: + + Issue 2999: + + Issue 3000: + +2021-02-24 v3.0.0 + This release includes compression efficiency improvement, speed improvement + for realtime mode, as well as some new APIs. + + - Upgrading: + Support for PSNR calculation based on stream bit-depth. + + New encoder control IDs added: + - AV1E_SET_ENABLE_RECT_TX + - AV1E_SET_VBR_CORPUS_COMPLEXITY_LAP + - AV1E_GET_BASELINE_GF_INTERVAL + - AV1E_SET_ENABLE_DNL_DENOISING + + New decoder control IDs added: + - AOMD_GET_FWD_KF_PRESENT + - AOMD_GET_FRAME_FLAGS + - AOMD_GET_ALTREF_PRESENT + - AOMD_GET_TILE_INFO + - AOMD_GET_SCREEN_CONTENT_TOOLS_INFO + - AOMD_GET_STILL_PICTURE + - AOMD_GET_SB_SIZE + - AOMD_GET_SHOW_EXISTING_FRAME_FLAG + - AOMD_GET_S_FRAME_INFO + + New aom_tune_content enum value: AOM_CONTENT_FILM + + New aom_tune_metric enum value: AOM_TUNE_VMAF_NEG_MAX_GAIN + + Coefficient and mode update can be turned off via + AV1E_SET_{COEFF/MODE}_COST_UPD_FREQ. + + New key & value API added, available with aom_codec_set_option() function. + + Scaling API expanded to include 1/4, 3/4 and 1/8. + + - Enhancements: + Better multithreading performance with realtime mode. + + New speed 9 setting for faster realtime encoding. + + Smaller binary size with low bitdepth and realtime only build. + + Temporal denoiser and its optimizations on x86 and Neon. + + Optimizations for scaling. + + Faster encoding with speed settings 2 to 6 for good encoding mode. + + Improved documentation throughout the library, with function level + documentation, tree view and support for the dot tool. + + - Bug fixes: + Aside from those mentioned in v2.0.1 and v2.0.2, this release includes the + following bug fixes: + + Issue 2940: Segfault when encoding with --use-16bit-internal and --limit > 1 + + Issue 2941: Decoder mismatch with --rt --bit-depth=10 and --cpu-used=8 + + Issue 2895: mingw-w64 i686 gcc fails to build + + Issue 2874: Separate ssse3 functions from sse2 file. + +2021-02-09 v2.0.2 + This release includes several bug fixes. + + - Bug fixes: + Issue 2643: Modify the assertion in temporal filter intrinsics. + + Issue 2648: Fix unit test ThreadTestLarge.EncoderResultTest/49 + assertion failure. + + Issue 2869: Add -Wimplicit-function-declaration as C flag only. + + Issue 2878: Avoid memset in the av1_filter_intra_predictor module + functions. + + Issue 2903: Fix a typo bug in apply_temporal_filter_planewise. + + Call av1_setup_frame_size() when dropping a frame in the + encode_frame_to_data_rate() function in av1/encoder/encoder.c. + +2020-11-25 v2.0.1 + This release includes two bug fixes. + + - Bug fixes: + Issue 2723: Fix crash in chroma_check() when generating a monochrome + encoded stream in real-time mode. + + Issue 2833: Fix crash on some input when reduced still picture header is + used in real-time mode and speed >=7. + +2020-05-07 v2.0.0 "Applejack" + First official release of libaom. + This release includes new real-time mode and SVC support. + + - Upgrading: + AOM_SET_POSTPROC, AOM_CODEC_CAP_POSTPROC and AOM_CODEC_USE_POSTPROC are + removed. + + AOM_SET_DBG_* is removed. + + Multi-resolution encoding is removed. + + put_frame and put_slice callbacks are removed. + + - Enhancements: + Full-sweep document update for codec controls. + +2018-06-28 v1.0.0 + AOMedia Codec Workgroup Approved version 1.0 + +2016-04-07 v0.1.0 "AOMedia Codec 1" + This release is the first Alliance for Open Media codec. |