| 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. |
