CHANGELOG for v3.9.0 Bug: aomedia:3548 Change-Id: I65674e08af030fb1a722921cb5b3ac822d041855
diff --git a/CHANGELOG b/CHANGELOG index b8a3e4a..673d080 100644 --- a/CHANGELOG +++ b/CHANGELOG
@@ -1,3 +1,90 @@ +2024-04-09 v3.9.0 + This release includes new codec interfaces, compression efficiency and + perceptual improvements, speedup for RTC for both video and screen content, + and many bug fixes. This release is ABI compatible with the previous release. + + - New Features + * New codec control + * AV1E_SET_SVC_FRAME_DROP_MODE is added to configure the SVC encoder to + only drop spatial layers or the whole superframe. + * Active Map is fixed and tested for RTC. + * CONFIG_QUANT_MATRIX is added to disable quantization matrices when aom + decoder is disabled with CONFIG_AV1_DECODER. Reduces ~10% binary size when + both are disabled. + * libwebm is updated to libwebm-1.0.0.31-1-gaffd7f4. + + - Compression Efficiency Improvements + * RTC encoding improvements + * 1-2% BD-rate gain for screen content with temporal layers; 5% BD-rate + gain on scrolling content. + + - Perceptual Quality Improvements + * For RTC screen content + * Reduced color artifacts for RTC screen content + * Visual quality improved for scene changes for SVC with quality layers. + * Removed visual artifacts for speed 11 + + - RTC speedups: + * Speed 11: aggressive speedup setting added for video mode, + resolutions <= VGA: ~30% faster than speed 10. + * Arm specific SIMD improvements + + - Other improvements + * Further improvements to global motion estimation. + * Documented minimum required SIMD support: SSE4.1 on x86, Neon on Arm. + * Remove unneeded SIMD functions, saving >100 KiB from binary size. + * Cleaned up and improved pattern_search. + * Added end-to-end c vs SIMD bit-exactness test. + * Added config flag to calc psnr using libvmaf peak: use a slightly + different peak value for PSNR (1020 and 2040 for 10- and 12-bit) + + - Bug Fixes + * Fuzzing bug fixes + * b/329485898 Null-dereference WRITE in av1_cdef_frame_mt + * b/329810149 Null-dereference WRITE in av1_cdef_copy_sb8_16 + * b/329813868 Ill in av1_cdef_frame_mt + * chromium:327882824 Null-dereference WRITE in av1_cdef_init_fb_row + * b/330014723 Null-dereference WRITE in + cdef_copy_rect8_16bit_to_16bit_avx2 + * b/310455204 Null-dereference WRITE in prepare_enc_workers + * b/314858909 Heap-buffer-overflow in aom_variance64x64_avx2 + * oss-fuzz:67132 av1_dec_fuzzer: ASSERT: (pbi->tile_count_minus_1 + 1) <= + (pbi->output_frame_width_in_tiles_minus_1 + 1) + * oss-fuzz:67058 av1_dec_fuzzer: ASSERT: i == 0 || tile_w == *w + * oss-fuzz:67161 av1_dec_fuzzer: ASSERT: i == 0 || tile_h == *h + * oss-fuzz:67059 av1_dec_fuzzer: Crash in mem_get_varsize + * oss-fuzz:67162 av1_dec_fuzzer: Use-of-uninitialized-value in + od_ec_decode_bool_q15 + * oss-fuzz:67184 av1_dec_fuzzer: Heap-buffer-overflow in od_ec_dec_init + * oss-fuzz:67216 av1_dec_fuzzer: Heap-buffer-overflow in + od_ec_dec_normalize + * oss-fuzz:67055 av1_dec_fuzzer: Heap-buffer-overflow in + get_ls_tile_buffers + * libaom library + * aomedia:3510 Large value of duration could cause encoder overflow + * chromium:328105513 Fix build conflicts between Abseil and libaom/libvpx + in Win ARM64 builds + * aomedia:3544 AV1/SharpnessTestLarge.SharpnessPSNRTest failures after + 59c592bb8 + * aomedia:3531 Exception encountered with PSNR calculation + * aomedia:3541 Can not compile correctly by CYGWIN + * chromium:41482688 heap-buffer-overflow write in vpx_img_read() + (tools_common.c) with VPX_IMG_FMT_NV12 + * aomedia:3521 Assertion failures on Arm in CNNTest.* in + av1_cnn_convolve_no_maxpool_padding_valid_2x2_neon and + av1_cnn_convolve_no_maxpool_padding_valid_5x5_neon + * aomedia:3486 C vs NEON mismatch in AV1 encoder + * aomedia:3536 Over write in highbd_dr_prediction_z3_upsample1_neon() + * aomedia:3276 Significant progress on ensuring all allocations are + checked + * aomedia:3491 heap-buffer-overflow encoding frames of size 256x256, + 512x512 in good quality usage mode using 4 threads + * aomedia:3322 PSNR number discrepancy + * aomedia:3493 Cmake generates garbage symbols for libaom_srcs.gni + * aomedia:3478 GCC 12.2.0 emits a -Wstringop-overflow warning on + aom/av1/encoder/motion_search_facade.c + * aomedia:3484 C vs NEON mismatch in AV1 encoder for high-bitdepth case + 2024-03-08 v3.8.2 This release includes several bug fixes. This release is ABI compatible with the last release. See