1*fb1b10abSAndroid Build Coastguard Worker2024-10-22 v1.15.0 "Wigeon Duck" 2*fb1b10abSAndroid Build Coastguard Worker This release includes new codec control for key frame filtering, more Neon 3*fb1b10abSAndroid Build Coastguard Worker optimizations, improvements to RTC encoding and bug fixes. 4*fb1b10abSAndroid Build Coastguard Worker 5*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 6*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 7*fb1b10abSAndroid Build Coastguard Worker 8*fb1b10abSAndroid Build Coastguard Worker Temporal filtering improvement that can be turned on with the new codec 9*fb1b10abSAndroid Build Coastguard Worker control VP9E_SET_KEY_FRAME_FILTERING, which gives 1+% BD-rate saving with 10*fb1b10abSAndroid Build Coastguard Worker minimal encoder time increase. 11*fb1b10abSAndroid Build Coastguard Worker 12*fb1b10abSAndroid Build Coastguard Worker libwebm is upgraded to libwebm-1.0.0.31-10-g3b63004 13*fb1b10abSAndroid Build Coastguard Worker 14*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 15*fb1b10abSAndroid Build Coastguard Worker Neon optimization speed up 16*fb1b10abSAndroid Build Coastguard Worker 1-3% speed up across speed 5 to 10 for RTC 17*fb1b10abSAndroid Build Coastguard Worker 3% speed up for speed 0 and 1 for VoD in standard bitdepth 18*fb1b10abSAndroid Build Coastguard Worker 3% and 7% speed up for speed 0 and 1 respectively for VoD in high bitdepth 19*fb1b10abSAndroid Build Coastguard Worker Scene detection is allowed for all RTC speeds (>=5) 20*fb1b10abSAndroid Build Coastguard Worker Support profile guided optimizations 21*fb1b10abSAndroid Build Coastguard Worker 22*fb1b10abSAndroid Build Coastguard Worker Delta quantization parameters for UV channels for vp8 is supported in RTC 23*fb1b10abSAndroid Build Coastguard Worker rate control library 24*fb1b10abSAndroid Build Coastguard Worker 25*fb1b10abSAndroid Build Coastguard Worker Rate control parameters are reset and maximum QP is enforced on scene 26*fb1b10abSAndroid Build Coastguard Worker changes in SVC when there is no inter-layer prediction 27*fb1b10abSAndroid Build Coastguard Worker 28*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 29*fb1b10abSAndroid Build Coastguard Worker Fix to Uninitialized scalar variable in `vp9_rd_pick_inter_mode_sb()` 30*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `resize_multistep` 31*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `vpx_sad64x64_avx2` 32*fb1b10abSAndroid Build Coastguard Worker Fix to Crash in `vpx_sad8x8_sse2` 33*fb1b10abSAndroid Build Coastguard Worker Fix to Assertion in `write_modes` 34*fb1b10abSAndroid Build Coastguard Worker Support profile guided optimizations 35*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `encode_frame_to_data_rate` 36*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `vp9_svc_check_reset_layer_rc_flag` 37*fb1b10abSAndroid Build Coastguard Worker Fix to core dump error from /usr/bin/tools/tiny_ssim --help 38*fb1b10abSAndroid Build Coastguard Worker Fix to use-of-uninitialized-value in `vp9_setup_tpl_stats` 39*fb1b10abSAndroid Build Coastguard Worker Fix to Undefined-shift in `vp9_cyclic_refresh_setup` 40*fb1b10abSAndroid Build Coastguard Worker Fix to redundant `&& __GNUC__` preproc check 41*fb1b10abSAndroid Build Coastguard Worker Fix to valgrind warning in EncodeAPI.OssFuzz69906 42*fb1b10abSAndroid Build Coastguard Worker Fix to Index-out-of-bounds in `vp8_rd_pick_inter_mode` 43*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `vp8_pick_frame_size` 44*fb1b10abSAndroid Build Coastguard Worker Fix to Use-of-uninitialized-value in `vpx_codec_peek_stream_info` 45*fb1b10abSAndroid Build Coastguard Worker Fix to log clutters with the message "Warning: Desired height too large" 46*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `vp9_svc_adjust_avg_frame_qindex` 47*fb1b10abSAndroid Build Coastguard Worker 48*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflows caused by huge target bitrate, frame rate, or 49*fb1b10abSAndroid Build Coastguard Worker g_timebase numerator or denominator 50*fb1b10abSAndroid Build Coastguard Worker 51*fb1b10abSAndroid Build Coastguard Worker Fix to missing license headers 52*fb1b10abSAndroid Build Coastguard Worker Fix to build failure for Android Armv7 53*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflows in image helpers 54*fb1b10abSAndroid Build Coastguard Worker Fix to Integer-overflow in `vp9_calc_iframe_target_size_one_pass_cbr` 55*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `vp9_pick_inter_mode` 56*fb1b10abSAndroid Build Coastguard Worker Fix to Segv in `vp9_multi_thread_tile_init` 57*fb1b10abSAndroid Build Coastguard Worker Fix to Use-of-uninitialized-value in `vp9_row_mt_sync_mem_dealloc` 58*fb1b10abSAndroid Build Coastguard Worker Fix to Crash in `mbloop_filter_vertical_edge_c` 59*fb1b10abSAndroid Build Coastguard Worker Fix to Check failed in CheckUnwind 60*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `write_modes_b` and `vpx_write` 61*fb1b10abSAndroid Build Coastguard Worker Fix to Possible signed integer overflow found in `vpx_codec_encode` 62*fb1b10abSAndroid Build Coastguard Worker Fix to build conflicts between Abseil and libaom/libvpx in Win ARM64 builds 63*fb1b10abSAndroid Build Coastguard Worker Fix to build failures on aarch64 64*fb1b10abSAndroid Build Coastguard Worker Fix to Data race in libvpx ARM NEON 65*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `scale_plane_1_to_2_phase_0` 66*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in `encode_mb_row` 67*fb1b10abSAndroid Build Coastguard Worker Fix to Floating-point-exception in `vp8_pick_frame_size` 68*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `vp9_enc_setup_mi` 69*fb1b10abSAndroid Build Coastguard Worker Fix to build failure with --target=arm64-win64-vs17 70*fb1b10abSAndroid Build Coastguard Worker Fix to heap-buffer-overflow write in `vpx_img_read()` 71*fb1b10abSAndroid Build Coastguard Worker Fix to C vs armv8-linux-gcc encode mismatches for `y4m_360p_10bit_input` 72*fb1b10abSAndroid Build Coastguard Worker Fix to Null-dereference READ in `ml_predict_var_rd_partitioning` 73*fb1b10abSAndroid Build Coastguard Worker Fix to Heap-buffer-overflow in `vpx_scaled_2d_ssse3` 74*fb1b10abSAndroid Build Coastguard Worker Fix to Crash in `convolve_horiz` 75*fb1b10abSAndroid Build Coastguard Worker Fix to Ill in `vpx_scaled_2d_ssse3` 76*fb1b10abSAndroid Build Coastguard Worker Fix to Global-buffer-overflow in `cost_coeffs` 77*fb1b10abSAndroid Build Coastguard Worker 78*fb1b10abSAndroid Build Coastguard Worker2024-05-21 v1.14.1 "Venetian Duck" 79*fb1b10abSAndroid Build Coastguard Worker This release includes enhancements and bug fixes. 80*fb1b10abSAndroid Build Coastguard Worker 81*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 82*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 83*fb1b10abSAndroid Build Coastguard Worker 84*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 85*fb1b10abSAndroid Build Coastguard Worker Improved the detection of compiler support for AArch64 extensions, 86*fb1b10abSAndroid Build Coastguard Worker particularly SVE. 87*fb1b10abSAndroid Build Coastguard Worker 88*fb1b10abSAndroid Build Coastguard Worker Added vpx_codec_get_global_headers() support for VP9. 89*fb1b10abSAndroid Build Coastguard Worker 90*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 91*fb1b10abSAndroid Build Coastguard Worker Added buffer bounds checks to vpx_writer and vpx_write_bit_buffer. 92*fb1b10abSAndroid Build Coastguard Worker Fix to GetSegmentationData() crash in aq_mode=0 for RTC rate control. 93*fb1b10abSAndroid Build Coastguard Worker Fix to alloc for row_base_thresh_freq_fac. 94*fb1b10abSAndroid Build Coastguard Worker Free row mt memory before freeing cpi->tile_data. 95*fb1b10abSAndroid Build Coastguard Worker Fix to buffer alloc for vp9_bitstream_worker_data. 96*fb1b10abSAndroid Build Coastguard Worker Fix to VP8 race issue for multi-thread with pnsr_calc. 97*fb1b10abSAndroid Build Coastguard Worker Fix to uv width/height in vp9_scale_and_extend_frame_ssse3. 98*fb1b10abSAndroid Build Coastguard Worker Fix to integer division by zero and overflow in calc_pframe_target_size(). 99*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in vpx_img_alloc() & vpx_img_wrap()(CVE-2024-5197). 100*fb1b10abSAndroid Build Coastguard Worker Fix to UBSan error in vp9_rc_update_framerate(). 101*fb1b10abSAndroid Build Coastguard Worker Fix to UBSan errors in vp8_new_framerate(). 102*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in vp8 encodeframe.c. 103*fb1b10abSAndroid Build Coastguard Worker Handle EINTR from sem_wait(). 104*fb1b10abSAndroid Build Coastguard Worker 105*fb1b10abSAndroid Build Coastguard Worker2024-01-02 v1.14.0 "Venetian Duck" 106*fb1b10abSAndroid Build Coastguard Worker This release drops support for old C compilers, such as Visual Studio 2012 107*fb1b10abSAndroid Build Coastguard Worker and older, that disallow mixing variable declarations and statements (a C99 108*fb1b10abSAndroid Build Coastguard Worker feature). It adds support for run-time CPU feature detection for Arm 109*fb1b10abSAndroid Build Coastguard Worker platforms, as well as support for darwin23 (macOS 14). 110*fb1b10abSAndroid Build Coastguard Worker 111*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 112*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. 113*fb1b10abSAndroid Build Coastguard Worker 114*fb1b10abSAndroid Build Coastguard Worker Various new features for rate control library for real-time: SVC parallel 115*fb1b10abSAndroid Build Coastguard Worker encoding, loopfilter level, support for frame dropping, and screen content. 116*fb1b10abSAndroid Build Coastguard Worker 117*fb1b10abSAndroid Build Coastguard Worker New callback function send_tpl_gop_stats for vp9 external rate control 118*fb1b10abSAndroid Build Coastguard Worker library, which can be used to transmit TPL stats for a group of pictures. A 119*fb1b10abSAndroid Build Coastguard Worker public header vpx_tpl.h is added for the definition of TPL stats used in 120*fb1b10abSAndroid Build Coastguard Worker this callback. 121*fb1b10abSAndroid Build Coastguard Worker 122*fb1b10abSAndroid Build Coastguard Worker libwebm is upgraded to libwebm-1.0.0.29-9-g1930e3c. 123*fb1b10abSAndroid Build Coastguard Worker 124*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 125*fb1b10abSAndroid Build Coastguard Worker Improvements on Neon optimizations: VoD: 12-35% speed up for bitdepth 8, 126*fb1b10abSAndroid Build Coastguard Worker 68%-151% speed up for high bitdepth. 127*fb1b10abSAndroid Build Coastguard Worker 128*fb1b10abSAndroid Build Coastguard Worker Improvements on AVX2 and SSE optimizations. 129*fb1b10abSAndroid Build Coastguard Worker Improvements on LSX optimizations for LoongArch. 130*fb1b10abSAndroid Build Coastguard Worker 42-49% speedup on speed 0 VoD encoding. 131*fb1b10abSAndroid Build Coastguard Worker Android API level predicates. 132*fb1b10abSAndroid Build Coastguard Worker 133*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 134*fb1b10abSAndroid Build Coastguard Worker Fix to missing prototypes from the rtcd header. 135*fb1b10abSAndroid Build Coastguard Worker Fix to segfault when total size is enlarged but width is smaller. 136*fb1b10abSAndroid Build Coastguard Worker Fix to the build for arm64ec using MSVC. 137*fb1b10abSAndroid Build Coastguard Worker Fix to copy BLOCK_8X8's mi to PICK_MODE_CONTEXT::mic. 138*fb1b10abSAndroid Build Coastguard Worker Fix to -Wshadow warnings. 139*fb1b10abSAndroid Build Coastguard Worker Fix to heap overflow in vpx_get4x4sse_cs_neon. 140*fb1b10abSAndroid Build Coastguard Worker Fix to buffer overrun in highbd Neon subpel variance filters. 141*fb1b10abSAndroid Build Coastguard Worker Added bitexact encode test script. 142*fb1b10abSAndroid Build Coastguard Worker Fix to -Wl,-z,defs with Clang's sanitizers. 143*fb1b10abSAndroid Build Coastguard Worker Fix to decoder stability after error & continued decoding. 144*fb1b10abSAndroid Build Coastguard Worker Fix to mismatch of VP9 encode with NEON intrinsics with C only version. 145*fb1b10abSAndroid Build Coastguard Worker Fix to Arm64 MSVC compile vpx_highbd_fdct4x4_neon. 146*fb1b10abSAndroid Build Coastguard Worker Fix to fragments count before use. 147*fb1b10abSAndroid Build Coastguard Worker Fix to a case where target bandwidth is 0 for SVC. 148*fb1b10abSAndroid Build Coastguard Worker Fix mask in vp9_quantize_avx2,highbd_get_max_lane_eob. 149*fb1b10abSAndroid Build Coastguard Worker Fix to int overflow in vp9_calc_pframe_target_size_one_pass_cbr. 150*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in vp8,ratectrl.c. 151*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in vp9 svc. 152*fb1b10abSAndroid Build Coastguard Worker Fix to avg_frame_bandwidth overflow. 153*fb1b10abSAndroid Build Coastguard Worker Fix to per frame qp for temporal layers. 154*fb1b10abSAndroid Build Coastguard Worker Fix to unsigned integer overflow in sse computation. 155*fb1b10abSAndroid Build Coastguard Worker Fix to uninitialized mesh feature for BEST mode. 156*fb1b10abSAndroid Build Coastguard Worker Fix to overflow in highbd temporal_filter. 157*fb1b10abSAndroid Build Coastguard Worker Fix to unaligned loads w/w==4 in vpx_convolve_copy_neon. 158*fb1b10abSAndroid Build Coastguard Worker Skip arm64_neon.h workaround w/VS >= 2019. 159*fb1b10abSAndroid Build Coastguard Worker Fix to c vs avx mismatch of diamond_search_sad(). 160*fb1b10abSAndroid Build Coastguard Worker Fix to c vs intrinsic mismatch of vpx_hadamard_32x32() function. 161*fb1b10abSAndroid Build Coastguard Worker Fix to a bug in vpx_hadamard_32x32_neon(). 162*fb1b10abSAndroid Build Coastguard Worker Fix to Clang -Wunreachable-code-aggressive warnings. 163*fb1b10abSAndroid Build Coastguard Worker Fix to a bug in vpx_highbd_hadamard_32x32_neon(). 164*fb1b10abSAndroid Build Coastguard Worker Fix to -Wunreachable-code in mfqe_partition. 165*fb1b10abSAndroid Build Coastguard Worker Force mode search on 64x64 if no mode is selected. 166*fb1b10abSAndroid Build Coastguard Worker Fix to ubsan failure caused by left shift of negative. 167*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow in calc_pframe_target_size. 168*fb1b10abSAndroid Build Coastguard Worker Fix to float-cast-overflow in vp8_change_config(). 169*fb1b10abSAndroid Build Coastguard Worker Fix to a null ptr before use. 170*fb1b10abSAndroid Build Coastguard Worker Conditionally skip using inter frames in speed features. 171*fb1b10abSAndroid Build Coastguard Worker Remove invalid reference frames. 172*fb1b10abSAndroid Build Coastguard Worker Disable intra mode search speed features conditionally. 173*fb1b10abSAndroid Build Coastguard Worker Set nonrd keyframe under dynamic change of deadline for rtc. 174*fb1b10abSAndroid Build Coastguard Worker Fix to scaled reference offsets. 175*fb1b10abSAndroid Build Coastguard Worker Set skip_recode=0 in nonrd_pick_sb_modes. 176*fb1b10abSAndroid Build Coastguard Worker Fix to an edge case when downsizing to one. 177*fb1b10abSAndroid Build Coastguard Worker Fix to a bug in frame scaling. 178*fb1b10abSAndroid Build Coastguard Worker Fix to pred buffer stride. 179*fb1b10abSAndroid Build Coastguard Worker Fix to a bug in simple motion search. 180*fb1b10abSAndroid Build Coastguard Worker Update frame size in actual encoding. 181*fb1b10abSAndroid Build Coastguard Worker 182*fb1b10abSAndroid Build Coastguard Worker2023-09-29 v1.13.1 "Ugly Duckling" 183*fb1b10abSAndroid Build Coastguard Worker This release contains two security related fixes. One each for VP8 and VP9. 184*fb1b10abSAndroid Build Coastguard Worker 185*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 186*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 187*fb1b10abSAndroid Build Coastguard Worker 188*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 189*fb1b10abSAndroid Build Coastguard Worker https://crbug.com/1486441 (CVE-2023-5217) 190*fb1b10abSAndroid Build Coastguard Worker Fix to a crash related to VP9 encoding (#1642, CVE-2023-6349) 191*fb1b10abSAndroid Build Coastguard Worker 192*fb1b10abSAndroid Build Coastguard Worker2023-01-31 v1.13.0 "Ugly Duckling" 193*fb1b10abSAndroid Build Coastguard Worker This release includes more Neon and AVX2 optimizations, adds a new codec 194*fb1b10abSAndroid Build Coastguard Worker control to set per frame QP, upgrades GoogleTest to v1.12.1, and includes 195*fb1b10abSAndroid Build Coastguard Worker numerous bug fixes. 196*fb1b10abSAndroid Build Coastguard Worker 197*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 198*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. 199*fb1b10abSAndroid Build Coastguard Worker 200*fb1b10abSAndroid Build Coastguard Worker New codec control VP9E_SET_QUANTIZER_ONE_PASS to set per frame QP. 201*fb1b10abSAndroid Build Coastguard Worker 202*fb1b10abSAndroid Build Coastguard Worker GoogleTest is upgraded to v1.12.1. 203*fb1b10abSAndroid Build Coastguard Worker 204*fb1b10abSAndroid Build Coastguard Worker .clang-format is upgraded to clang-format-11. 205*fb1b10abSAndroid Build Coastguard Worker 206*fb1b10abSAndroid Build Coastguard Worker VPX_EXT_RATECTRL_ABI_VERSION was bumped due to incompatible changes to the 207*fb1b10abSAndroid Build Coastguard Worker feature of using external rate control models for vp9. 208*fb1b10abSAndroid Build Coastguard Worker 209*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 210*fb1b10abSAndroid Build Coastguard Worker Numerous improvements on Neon optimizations. 211*fb1b10abSAndroid Build Coastguard Worker Numerous improvements on AVX2 optimizations. 212*fb1b10abSAndroid Build Coastguard Worker Additional ARM targets added for Visual Studio. 213*fb1b10abSAndroid Build Coastguard Worker 214*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 215*fb1b10abSAndroid Build Coastguard Worker Fix to calculating internal stats when frame dropped. 216*fb1b10abSAndroid Build Coastguard Worker Fix to segfault for external resize test in vp9. 217*fb1b10abSAndroid Build Coastguard Worker Fix to build system with replacing egrep with grep -E. 218*fb1b10abSAndroid Build Coastguard Worker Fix to a few bugs with external RTC rate control library. 219*fb1b10abSAndroid Build Coastguard Worker Fix to make SVC work with VBR. 220*fb1b10abSAndroid Build Coastguard Worker Fix to key frame setting in VP9 external RC. 221*fb1b10abSAndroid Build Coastguard Worker Fix to -Wimplicit-int (Clang 16). 222*fb1b10abSAndroid Build Coastguard Worker Fix to VP8 external RC for buffer levels. 223*fb1b10abSAndroid Build Coastguard Worker Fix to VP8 external RC for dynamic update of layers. 224*fb1b10abSAndroid Build Coastguard Worker Fix to VP9 auto level. 225*fb1b10abSAndroid Build Coastguard Worker Fix to off-by-one error of max w/h in validate_config. 226*fb1b10abSAndroid Build Coastguard Worker Fix to make SVC work for Profile 1. 227*fb1b10abSAndroid Build Coastguard Worker 228*fb1b10abSAndroid Build Coastguard Worker2022-06-17 v1.12.0 "Torrent Duck" 229*fb1b10abSAndroid Build Coastguard Worker This release adds optimizations for Loongarch, adds support for vp8 in the 230*fb1b10abSAndroid Build Coastguard Worker real-time rate control library, upgrades GoogleTest to v1.11.0, updates 231*fb1b10abSAndroid Build Coastguard Worker libwebm to libwebm-1.0.0.28-20-g206d268, and includes numerous bug fixes. 232*fb1b10abSAndroid Build Coastguard Worker 233*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 234*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 235*fb1b10abSAndroid Build Coastguard Worker 236*fb1b10abSAndroid Build Coastguard Worker vp8 support in the real-time rate control library. 237*fb1b10abSAndroid Build Coastguard Worker New codec control VP8E_SET_RTC_EXTERNAL_RATECTRL is added. 238*fb1b10abSAndroid Build Coastguard Worker 239*fb1b10abSAndroid Build Coastguard Worker Configure support for darwin21 is added. 240*fb1b10abSAndroid Build Coastguard Worker 241*fb1b10abSAndroid Build Coastguard Worker GoogleTest is upgraded to v1.11.0. 242*fb1b10abSAndroid Build Coastguard Worker 243*fb1b10abSAndroid Build Coastguard Worker libwebm is updated to libwebm-1.0.0.28-20-g206d268. 244*fb1b10abSAndroid Build Coastguard Worker 245*fb1b10abSAndroid Build Coastguard Worker Allow SimpleEncode environment to take target level as input to match 246*fb1b10abSAndroid Build Coastguard Worker the level conformance in vp9. 247*fb1b10abSAndroid Build Coastguard Worker 248*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 249*fb1b10abSAndroid Build Coastguard Worker Numerous improvements on checking memory allocations. 250*fb1b10abSAndroid Build Coastguard Worker Optimizations for Loongarch. 251*fb1b10abSAndroid Build Coastguard Worker Code clean-up. 252*fb1b10abSAndroid Build Coastguard Worker 253*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 254*fb1b10abSAndroid Build Coastguard Worker Fix to a crash related to {vp8/vp9}_set_roi_map. 255*fb1b10abSAndroid Build Coastguard Worker Fix to compiling failure with -Wformat-nonliteral. 256*fb1b10abSAndroid Build Coastguard Worker Fix to integer overflow with vp9 with high resolution content. 257*fb1b10abSAndroid Build Coastguard Worker Fix to AddNoiseTest failure with ARMv7. 258*fb1b10abSAndroid Build Coastguard Worker Fix to libvpx Null-dereference READ in vp8. 259*fb1b10abSAndroid Build Coastguard Worker 260*fb1b10abSAndroid Build Coastguard Worker2021-09-27 v1.11.0 "Smew Duck" 261*fb1b10abSAndroid Build Coastguard Worker This maintenance release adds support for VBR mode in VP9 rate control 262*fb1b10abSAndroid Build Coastguard Worker interface, new codec controls to get quantization parameters and loop filter 263*fb1b10abSAndroid Build Coastguard Worker levels, and includes several improvements to NEON and numerous bug fixes. 264*fb1b10abSAndroid Build Coastguard Worker 265*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 266*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. 267*fb1b10abSAndroid Build Coastguard Worker New codec control is added to get quantization parameters and loop filter 268*fb1b10abSAndroid Build Coastguard Worker levels. 269*fb1b10abSAndroid Build Coastguard Worker 270*fb1b10abSAndroid Build Coastguard Worker VBR mode is supported in VP9 rate control library. 271*fb1b10abSAndroid Build Coastguard Worker 272*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 273*fb1b10abSAndroid Build Coastguard Worker Numerous improvements for Neon optimizations. 274*fb1b10abSAndroid Build Coastguard Worker Code clean-up and refactoring. 275*fb1b10abSAndroid Build Coastguard Worker Calculation of rd multiplier is changed with BDRATE gains. 276*fb1b10abSAndroid Build Coastguard Worker 277*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 278*fb1b10abSAndroid Build Coastguard Worker Fix to overflow on duration. 279*fb1b10abSAndroid Build Coastguard Worker Fix to several instances of -Wunused-but-set-variable. 280*fb1b10abSAndroid Build Coastguard Worker Fix to avoid chroma resampling for 420mpeg2 input. 281*fb1b10abSAndroid Build Coastguard Worker Fix to overflow in calc_iframe_target_size. 282*fb1b10abSAndroid Build Coastguard Worker Fix to disallow skipping transform and quantization. 283*fb1b10abSAndroid Build Coastguard Worker Fix some -Wsign-compare warnings in simple_encode. 284*fb1b10abSAndroid Build Coastguard Worker Fix input file path in simple_encode_test. 285*fb1b10abSAndroid Build Coastguard Worker Fix valid range for under/over_shoot pct. 286*fb1b10abSAndroid Build Coastguard Worker 287*fb1b10abSAndroid Build Coastguard Worker2021-03-09 v1.10.0 "Ruddy Duck" 288*fb1b10abSAndroid Build Coastguard Worker This maintenance release adds support for darwin20 and new codec controls, as 289*fb1b10abSAndroid Build Coastguard Worker well as numerous bug fixes. 290*fb1b10abSAndroid Build Coastguard Worker 291*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 292*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. 293*fb1b10abSAndroid Build Coastguard Worker New codec control is added to disable loopfilter for VP9. 294*fb1b10abSAndroid Build Coastguard Worker 295*fb1b10abSAndroid Build Coastguard Worker New encoder control is added to disable feature to increase Q on overshoot 296*fb1b10abSAndroid Build Coastguard Worker detection for CBR. 297*fb1b10abSAndroid Build Coastguard Worker 298*fb1b10abSAndroid Build Coastguard Worker Configure support for darwin20 is added. 299*fb1b10abSAndroid Build Coastguard Worker 300*fb1b10abSAndroid Build Coastguard Worker New codec control is added for VP9 rate control. The control ID of this 301*fb1b10abSAndroid Build Coastguard Worker interface is VP9E_SET_EXTERNAL_RATE_CONTROL. To make VP9 use a customized 302*fb1b10abSAndroid Build Coastguard Worker external rate control model, users will have to implement each callback 303*fb1b10abSAndroid Build Coastguard Worker function in vpx_rc_funcs_t and register them using libvpx API 304*fb1b10abSAndroid Build Coastguard Worker vpx_codec_control_() with the control ID. 305*fb1b10abSAndroid Build Coastguard Worker 306*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 307*fb1b10abSAndroid Build Coastguard Worker Use -std=gnu++11 instead of -std=c++11 for c++ files. 308*fb1b10abSAndroid Build Coastguard Worker 309*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 310*fb1b10abSAndroid Build Coastguard Worker Override assembler with --as option of configure for MSVS. 311*fb1b10abSAndroid Build Coastguard Worker Fix several compilation issues with gcc 4.8.5. 312*fb1b10abSAndroid Build Coastguard Worker Fix to resetting rate control for temporal layers. 313*fb1b10abSAndroid Build Coastguard Worker Fix to the rate control stats of SVC example encoder when number of spatial 314*fb1b10abSAndroid Build Coastguard Worker layers is 1. 315*fb1b10abSAndroid Build Coastguard Worker Fix to reusing motion vectors from the base spatial layer in SVC. 316*fb1b10abSAndroid Build Coastguard Worker 2 pass related flags removed from SVC example encoder. 317*fb1b10abSAndroid Build Coastguard Worker 318*fb1b10abSAndroid Build Coastguard Worker2020-07-29 v1.9.0 "Quacking Duck" 319*fb1b10abSAndroid Build Coastguard Worker This release adds support for NV12, a separate library for rate control, as 320*fb1b10abSAndroid Build Coastguard Worker well as incremental improvements. 321*fb1b10abSAndroid Build Coastguard Worker 322*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 323*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 324*fb1b10abSAndroid Build Coastguard Worker NV12 support is added to this release. 325*fb1b10abSAndroid Build Coastguard Worker A new interface is added for VP9 rate control. The new library libvp9rc.a 326*fb1b10abSAndroid Build Coastguard Worker must be linked by applications. 327*fb1b10abSAndroid Build Coastguard Worker Googletest is updated to v1.10.0. 328*fb1b10abSAndroid Build Coastguard Worker simple_encode.cc is compiled into a new library libsimple_encode.a with 329*fb1b10abSAndroid Build Coastguard Worker CONFIG_RATE_CTRL. 330*fb1b10abSAndroid Build Coastguard Worker 331*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 332*fb1b10abSAndroid Build Coastguard Worker Various changes to improve VP9 SVC, rate control, quality and speed to real 333*fb1b10abSAndroid Build Coastguard Worker time encoding. 334*fb1b10abSAndroid Build Coastguard Worker 335*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 336*fb1b10abSAndroid Build Coastguard Worker Fix key frame update refresh simulcast flexible svc. 337*fb1b10abSAndroid Build Coastguard Worker Fix to disable_16x16part speed feature for real time encoding. 338*fb1b10abSAndroid Build Coastguard Worker Fix some signed integer overflows for VP9 rate control. 339*fb1b10abSAndroid Build Coastguard Worker Fix initialization of delta_q_uv. 340*fb1b10abSAndroid Build Coastguard Worker Fix condition in regulate_q for cyclic refresh. 341*fb1b10abSAndroid Build Coastguard Worker Various fixes to dynamic resizing for VP9 SVC. 342*fb1b10abSAndroid Build Coastguard Worker 343*fb1b10abSAndroid Build Coastguard Worker2019-12-09 v1.8.2 "Pekin Duck" 344*fb1b10abSAndroid Build Coastguard Worker This release collects incremental improvements to many aspects of the library. 345*fb1b10abSAndroid Build Coastguard Worker 346*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 347*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with the previous release. 348*fb1b10abSAndroid Build Coastguard Worker ARCH_* defines have been removed in favor of VPX_ARCH_*. 349*fb1b10abSAndroid Build Coastguard Worker 350*fb1b10abSAndroid Build Coastguard Worker2019-07-15 v1.8.1 "Orpington Duck" 351*fb1b10abSAndroid Build Coastguard Worker This release collects incremental improvements to many aspects of the library. 352*fb1b10abSAndroid Build Coastguard Worker 353*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 354*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. 355*fb1b10abSAndroid Build Coastguard Worker VP8E_SET_CPUUSED now accepts values up to 9 for vp9. 356*fb1b10abSAndroid Build Coastguard Worker VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT had a spelling fix (was VP8E). 357*fb1b10abSAndroid Build Coastguard Worker The --sdk-path option has been removed. If you were using it to build for 358*fb1b10abSAndroid Build Coastguard Worker Android please read build/make/Android.mk for alternatives. 359*fb1b10abSAndroid Build Coastguard Worker All PPC optimizations have been disabled: 360*fb1b10abSAndroid Build Coastguard Worker https://bugs.chromium.org/p/webm/issues/detail?id=1522. 361*fb1b10abSAndroid Build Coastguard Worker 362*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 363*fb1b10abSAndroid Build Coastguard Worker Various changes to improve encoder rate control, quality and speed 364*fb1b10abSAndroid Build Coastguard Worker for practically every use case. 365*fb1b10abSAndroid Build Coastguard Worker 366*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 367*fb1b10abSAndroid Build Coastguard Worker vp9-rtc: Fix color artifacts for speed >= 8. 368*fb1b10abSAndroid Build Coastguard Worker 369*fb1b10abSAndroid Build Coastguard Worker2019-01-31 v1.8.0 "Northern Shoveler Duck" 370*fb1b10abSAndroid Build Coastguard Worker This release focused on encoding performance for realtime and VOD use cases. 371*fb1b10abSAndroid Build Coastguard Worker 372*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 373*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with the previous release. This adds and 374*fb1b10abSAndroid Build Coastguard Worker improves several vp9 controls. Most are related to SVC: 375*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_FRAME_DROP_LAYER: 376*fb1b10abSAndroid Build Coastguard Worker - Frame dropping in SVC. 377*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_INTER_LAYER_PRED: 378*fb1b10abSAndroid Build Coastguard Worker - Inter-layer prediction in SVC. 379*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_GF_TEMPORAL_REF: 380*fb1b10abSAndroid Build Coastguard Worker - Enable long term temporal reference in SVC. 381*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_REF_FRAME_CONFIG/VP9E_GET_SVC_REF_FRAME_CONFIG: 382*fb1b10abSAndroid Build Coastguard Worker - Extend and improve this control for better flexibility in setting SVC 383*fb1b10abSAndroid Build Coastguard Worker pattern dynamically. 384*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_POSTENCODE_DROP: 385*fb1b10abSAndroid Build Coastguard Worker - Allow for post-encode frame dropping (applies to non-SVC too). 386*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_SPATIAL_LAYER_SYNC: 387*fb1b10abSAndroid Build Coastguard Worker - Enable spatial layer sync frames. 388*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_SVC_LAYER_ID: 389*fb1b10abSAndroid Build Coastguard Worker - Extend api to specify temporal id for each spatial layers. 390*fb1b10abSAndroid Build Coastguard Worker VP9E_SET_ROI_MAP: 391*fb1b10abSAndroid Build Coastguard Worker - Extend Region of Interest functionality to VP9. 392*fb1b10abSAndroid Build Coastguard Worker 393*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 394*fb1b10abSAndroid Build Coastguard Worker 2 pass vp9 encoding has improved substantially. When using --auto-alt-ref=6, 395*fb1b10abSAndroid Build Coastguard Worker we see approximately 8% for VBR and 10% for CQ. When using --auto-alt-ref=1, 396*fb1b10abSAndroid Build Coastguard Worker the gains are approximately 4% for VBR and 5% for CQ. 397*fb1b10abSAndroid Build Coastguard Worker 398*fb1b10abSAndroid Build Coastguard Worker For real-time encoding, speed 7 has improved by ~5-10%. Encodes targeted at 399*fb1b10abSAndroid Build Coastguard Worker screen sharing have improved when the content changes significantly (slide 400*fb1b10abSAndroid Build Coastguard Worker sharing) or scrolls. There is a new speed 9 setting for mobile devices which 401*fb1b10abSAndroid Build Coastguard Worker is about 10-20% faster than speed 8. 402*fb1b10abSAndroid Build Coastguard Worker 403*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 404*fb1b10abSAndroid Build Coastguard Worker VP9 denoiser issue. 405*fb1b10abSAndroid Build Coastguard Worker VP9 partition issue for 1080p. 406*fb1b10abSAndroid Build Coastguard Worker VP9 rate control improvments. 407*fb1b10abSAndroid Build Coastguard Worker Postprocessing Multi Frame Quality Enhancement (MFQE) issue. 408*fb1b10abSAndroid Build Coastguard Worker VP8 multithread decoder issues. 409*fb1b10abSAndroid Build Coastguard Worker A variety of fuzzing issues. 410*fb1b10abSAndroid Build Coastguard Worker 411*fb1b10abSAndroid Build Coastguard Worker2018-01-04 v1.7.0 "Mandarin Duck" 412*fb1b10abSAndroid Build Coastguard Worker This release focused on high bit depth performance (10/12 bit) and vp9 413*fb1b10abSAndroid Build Coastguard Worker encoding improvements. 414*fb1b10abSAndroid Build Coastguard Worker 415*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 416*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible due to new vp9 encoder features. 417*fb1b10abSAndroid Build Coastguard Worker 418*fb1b10abSAndroid Build Coastguard Worker Frame parallel decoding for vp9 has been removed. 419*fb1b10abSAndroid Build Coastguard Worker 420*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 421*fb1b10abSAndroid Build Coastguard Worker vp9 encoding supports additional threads with --row-mt. This can be greater 422*fb1b10abSAndroid Build Coastguard Worker than the number of tiles. 423*fb1b10abSAndroid Build Coastguard Worker 424*fb1b10abSAndroid Build Coastguard Worker Two new vp9 encoder options have been added: 425*fb1b10abSAndroid Build Coastguard Worker --corpus-complexity 426*fb1b10abSAndroid Build Coastguard Worker --tune-content=film 427*fb1b10abSAndroid Build Coastguard Worker 428*fb1b10abSAndroid Build Coastguard Worker Additional tooling for respecting the vp9 "level" profiles has been added. 429*fb1b10abSAndroid Build Coastguard Worker 430*fb1b10abSAndroid Build Coastguard Worker - Bug fixes: 431*fb1b10abSAndroid Build Coastguard Worker A variety of fuzzing issues. 432*fb1b10abSAndroid Build Coastguard Worker vp8 threading fix for ARM. 433*fb1b10abSAndroid Build Coastguard Worker Codec control VP9_SET_SKIP_LOOP_FILTER fixed. 434*fb1b10abSAndroid Build Coastguard Worker Reject invalid multi resolution configurations. 435*fb1b10abSAndroid Build Coastguard Worker 436*fb1b10abSAndroid Build Coastguard Worker2017-01-09 v1.6.1 "Long Tailed Duck" 437*fb1b10abSAndroid Build Coastguard Worker This release improves upon the VP9 encoder and speeds up the encoding and 438*fb1b10abSAndroid Build Coastguard Worker decoding processes. 439*fb1b10abSAndroid Build Coastguard Worker 440*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 441*fb1b10abSAndroid Build Coastguard Worker This release is ABI compatible with 1.6.0. 442*fb1b10abSAndroid Build Coastguard Worker 443*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 444*fb1b10abSAndroid Build Coastguard Worker Faster VP9 encoding and decoding. 445*fb1b10abSAndroid Build Coastguard Worker High bit depth builds now provide similar speed for 8 bit encode and decode 446*fb1b10abSAndroid Build Coastguard Worker for x86 targets. Other platforms and higher bit depth improvements are in 447*fb1b10abSAndroid Build Coastguard Worker progress. 448*fb1b10abSAndroid Build Coastguard Worker 449*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 450*fb1b10abSAndroid Build Coastguard Worker A variety of fuzzing issues. 451*fb1b10abSAndroid Build Coastguard Worker 452*fb1b10abSAndroid Build Coastguard Worker2016-07-20 v1.6.0 "Khaki Campbell Duck" 453*fb1b10abSAndroid Build Coastguard Worker This release improves upon the VP9 encoder and speeds up the encoding and 454*fb1b10abSAndroid Build Coastguard Worker decoding processes. 455*fb1b10abSAndroid Build Coastguard Worker 456*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 457*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with 1.5.0 due to a new 'color_range' enum 458*fb1b10abSAndroid Build Coastguard Worker in vpx_image and some minor changes to the VP8_COMP structure. 459*fb1b10abSAndroid Build Coastguard Worker 460*fb1b10abSAndroid Build Coastguard Worker The default key frame interval for VP9 has changed from 128 to 9999. 461*fb1b10abSAndroid Build Coastguard Worker 462*fb1b10abSAndroid Build Coastguard Worker - Enhancement: 463*fb1b10abSAndroid Build Coastguard Worker A core focus has been performance for low end Intel processors. SSSE3 464*fb1b10abSAndroid Build Coastguard Worker instructions such as 'pshufb' have been avoided and instructions have been 465*fb1b10abSAndroid Build Coastguard Worker reordered to better accommodate the more constrained pipelines. 466*fb1b10abSAndroid Build Coastguard Worker 467*fb1b10abSAndroid Build Coastguard Worker As a result, devices based on Celeron processors have seen substantial 468*fb1b10abSAndroid Build Coastguard Worker decoding improvements. From Indian Runner Duck to Javan Whistling Duck, 469*fb1b10abSAndroid Build Coastguard Worker decoding speed improved between 10 and 30%. Between Javan Whistling Duck 470*fb1b10abSAndroid Build Coastguard Worker and Khaki Campbell Duck, it improved another 10 to 15%. 471*fb1b10abSAndroid Build Coastguard Worker 472*fb1b10abSAndroid Build Coastguard Worker While Celeron benefited most, Core-i5 also improved 5% and 10% between the 473*fb1b10abSAndroid Build Coastguard Worker respective releases. 474*fb1b10abSAndroid Build Coastguard Worker 475*fb1b10abSAndroid Build Coastguard Worker Realtime performance for WebRTC for both speed and quality has received a 476*fb1b10abSAndroid Build Coastguard Worker lot of attention. 477*fb1b10abSAndroid Build Coastguard Worker 478*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 479*fb1b10abSAndroid Build Coastguard Worker A number of fuzzing issues, found variously by Mozilla, Chromium and others, 480*fb1b10abSAndroid Build Coastguard Worker have been fixed and we strongly recommend updating. 481*fb1b10abSAndroid Build Coastguard Worker 482*fb1b10abSAndroid Build Coastguard Worker2015-11-09 v1.5.0 "Javan Whistling Duck" 483*fb1b10abSAndroid Build Coastguard Worker This release improves upon the VP9 encoder and speeds up the encoding and 484*fb1b10abSAndroid Build Coastguard Worker decoding processes. 485*fb1b10abSAndroid Build Coastguard Worker 486*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 487*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with 1.4.0. It drops deprecated VP8 488*fb1b10abSAndroid Build Coastguard Worker controls and adds a variety of VP9 controls for testing. 489*fb1b10abSAndroid Build Coastguard Worker 490*fb1b10abSAndroid Build Coastguard Worker The vpxenc utility now prefers VP9 by default. 491*fb1b10abSAndroid Build Coastguard Worker 492*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 493*fb1b10abSAndroid Build Coastguard Worker Faster VP9 encoding and decoding 494*fb1b10abSAndroid Build Coastguard Worker Smaller library size by combining functions used by VP8 and VP9 495*fb1b10abSAndroid Build Coastguard Worker 496*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 497*fb1b10abSAndroid Build Coastguard Worker A variety of fuzzing issues 498*fb1b10abSAndroid Build Coastguard Worker 499*fb1b10abSAndroid Build Coastguard Worker2015-04-03 v1.4.0 "Indian Runner Duck" 500*fb1b10abSAndroid Build Coastguard Worker This release includes significant improvements to the VP9 codec. 501*fb1b10abSAndroid Build Coastguard Worker 502*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 503*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with 1.3.0. It drops the compatibility 504*fb1b10abSAndroid Build Coastguard Worker layer, requiring VPX_IMG_FMT_* instead of IMG_FMT_*, and adds several codec 505*fb1b10abSAndroid Build Coastguard Worker controls for VP9. 506*fb1b10abSAndroid Build Coastguard Worker 507*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 508*fb1b10abSAndroid Build Coastguard Worker Faster VP9 encoding and decoding 509*fb1b10abSAndroid Build Coastguard Worker Multithreaded VP9 decoding (tile and frame-based) 510*fb1b10abSAndroid Build Coastguard Worker Multithreaded VP9 encoding - on by default 511*fb1b10abSAndroid Build Coastguard Worker YUV 4:2:2 and 4:4:4 support in VP9 512*fb1b10abSAndroid Build Coastguard Worker 10 and 12bit support in VP9 513*fb1b10abSAndroid Build Coastguard Worker 64bit ARM support by replacing ARM assembly with intrinsics 514*fb1b10abSAndroid Build Coastguard Worker 515*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 516*fb1b10abSAndroid Build Coastguard Worker Fixes a VP9 bitstream issue in Profile 1. This only affected non-YUV 4:2:0 517*fb1b10abSAndroid Build Coastguard Worker files. 518*fb1b10abSAndroid Build Coastguard Worker 519*fb1b10abSAndroid Build Coastguard Worker - Known Issues: 520*fb1b10abSAndroid Build Coastguard Worker Frame Parallel decoding fails for segmented and non-420 files. 521*fb1b10abSAndroid Build Coastguard Worker 522*fb1b10abSAndroid Build Coastguard Worker2013-11-15 v1.3.0 "Forest" 523*fb1b10abSAndroid Build Coastguard Worker This release introduces the VP9 codec in a backward-compatible way. 524*fb1b10abSAndroid Build Coastguard Worker All existing users of VP8 can continue to use the library without 525*fb1b10abSAndroid Build Coastguard Worker modification. However, some VP8 options do not map to VP9 in the same manner. 526*fb1b10abSAndroid Build Coastguard Worker 527*fb1b10abSAndroid Build Coastguard Worker The VP9 encoder in this release is not feature complete. Users interested in 528*fb1b10abSAndroid Build Coastguard Worker the encoder are advised to use the git master branch and discuss issues on 529*fb1b10abSAndroid Build Coastguard Worker libvpx mailing lists. 530*fb1b10abSAndroid Build Coastguard Worker 531*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 532*fb1b10abSAndroid Build Coastguard Worker This release is ABI and API compatible with Duclair (v1.0.0). Users 533*fb1b10abSAndroid Build Coastguard Worker of older releases should refer to the Upgrading notes in this document 534*fb1b10abSAndroid Build Coastguard Worker for that release. 535*fb1b10abSAndroid Build Coastguard Worker 536*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 537*fb1b10abSAndroid Build Coastguard Worker Get rid of bashisms in the main build scripts 538*fb1b10abSAndroid Build Coastguard Worker Added usage info on command line options 539*fb1b10abSAndroid Build Coastguard Worker Add lossless compression mode 540*fb1b10abSAndroid Build Coastguard Worker Dll build of libvpx 541*fb1b10abSAndroid Build Coastguard Worker Add additional Mac OS X targets: 10.7, 10.8 and 10.9 (darwin11-13) 542*fb1b10abSAndroid Build Coastguard Worker Add option to disable documentation 543*fb1b10abSAndroid Build Coastguard Worker configure: add --enable-external-build support 544*fb1b10abSAndroid Build Coastguard Worker make: support V=1 as short form of verbose=yes 545*fb1b10abSAndroid Build Coastguard Worker configure: support mingw-w64 546*fb1b10abSAndroid Build Coastguard Worker configure: support hardfloat armv7 CHOSTS 547*fb1b10abSAndroid Build Coastguard Worker configure: add support for android x86 548*fb1b10abSAndroid Build Coastguard Worker Add estimated completion time to vpxenc 549*fb1b10abSAndroid Build Coastguard Worker Don't exit on decode errors in vpxenc 550*fb1b10abSAndroid Build Coastguard Worker vpxenc: support scaling prior to encoding 551*fb1b10abSAndroid Build Coastguard Worker vpxdec: support scaling output 552*fb1b10abSAndroid Build Coastguard Worker vpxenc: improve progress indicators with --skip 553*fb1b10abSAndroid Build Coastguard Worker msvs: Don't link to winmm.lib 554*fb1b10abSAndroid Build Coastguard Worker Add a new script for producing vcxproj files 555*fb1b10abSAndroid Build Coastguard Worker Produce Visual Studio 10 and 11 project files 556*fb1b10abSAndroid Build Coastguard Worker Produce Windows Phone project files 557*fb1b10abSAndroid Build Coastguard Worker msvs-build: use msbuild for vs >= 2005 558*fb1b10abSAndroid Build Coastguard Worker configure: default configure log to config.log 559*fb1b10abSAndroid Build Coastguard Worker Add encoding option --static-thresh 560*fb1b10abSAndroid Build Coastguard Worker 561*fb1b10abSAndroid Build Coastguard Worker - Speed: 562*fb1b10abSAndroid Build Coastguard Worker Miscellaneous speed optimizations for VP8 and VP9. 563*fb1b10abSAndroid Build Coastguard Worker 564*fb1b10abSAndroid Build Coastguard Worker - Quality: 565*fb1b10abSAndroid Build Coastguard Worker In general, quality is consistent with the Eider release. 566*fb1b10abSAndroid Build Coastguard Worker 567*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 568*fb1b10abSAndroid Build Coastguard Worker This release represents approximately a year of engineering effort, 569*fb1b10abSAndroid Build Coastguard Worker and contains multiple bug fixes. Please refer to git history for details. 570*fb1b10abSAndroid Build Coastguard Worker 571*fb1b10abSAndroid Build Coastguard Worker 572*fb1b10abSAndroid Build Coastguard Worker2012-12-21 v1.2.0 573*fb1b10abSAndroid Build Coastguard Worker This release acts as a checkpoint for a large amount of internal refactoring 574*fb1b10abSAndroid Build Coastguard Worker and testing. It also contains a number of small bugfixes, so all users are 575*fb1b10abSAndroid Build Coastguard Worker encouraged to upgrade. 576*fb1b10abSAndroid Build Coastguard Worker 577*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 578*fb1b10abSAndroid Build Coastguard Worker This release is ABI and API compatible with Duclair (v1.0.0). Users 579*fb1b10abSAndroid Build Coastguard Worker of older releases should refer to the Upgrading notes in this 580*fb1b10abSAndroid Build Coastguard Worker document for that release. 581*fb1b10abSAndroid Build Coastguard Worker 582*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 583*fb1b10abSAndroid Build Coastguard Worker VP8 optimizations for MIPS dspr2 584*fb1b10abSAndroid Build Coastguard Worker vpxenc: add -quiet option 585*fb1b10abSAndroid Build Coastguard Worker 586*fb1b10abSAndroid Build Coastguard Worker - Speed: 587*fb1b10abSAndroid Build Coastguard Worker Encoder and decoder speed is consistent with the Eider release. 588*fb1b10abSAndroid Build Coastguard Worker 589*fb1b10abSAndroid Build Coastguard Worker - Quality: 590*fb1b10abSAndroid Build Coastguard Worker In general, quality is consistent with the Eider release. 591*fb1b10abSAndroid Build Coastguard Worker 592*fb1b10abSAndroid Build Coastguard Worker Minor tweaks to ARNR filtering 593*fb1b10abSAndroid Build Coastguard Worker Minor improvements to real time encoding with multiple temporal layers 594*fb1b10abSAndroid Build Coastguard Worker 595*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 596*fb1b10abSAndroid Build Coastguard Worker Fixes multithreaded encoder race condition in loopfilter 597*fb1b10abSAndroid Build Coastguard Worker Fixes multi-resolution threaded encoding 598*fb1b10abSAndroid Build Coastguard Worker Fix potential encoder dead-lock after picture resize 599*fb1b10abSAndroid Build Coastguard Worker 600*fb1b10abSAndroid Build Coastguard Worker 601*fb1b10abSAndroid Build Coastguard Worker2012-05-09 v1.1.0 "Eider" 602*fb1b10abSAndroid Build Coastguard Worker This introduces a number of enhancements, mostly focused on real-time 603*fb1b10abSAndroid Build Coastguard Worker encoding. In addition, it fixes a decoder bug (first introduced in 604*fb1b10abSAndroid Build Coastguard Worker Duclair) so all users of that release are encouraged to upgrade. 605*fb1b10abSAndroid Build Coastguard Worker 606*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 607*fb1b10abSAndroid Build Coastguard Worker This release is ABI and API compatible with Duclair (v1.0.0). Users 608*fb1b10abSAndroid Build Coastguard Worker of older releases should refer to the Upgrading notes in this 609*fb1b10abSAndroid Build Coastguard Worker document for that release. 610*fb1b10abSAndroid Build Coastguard Worker 611*fb1b10abSAndroid Build Coastguard Worker This release introduces a new temporal denoiser, controlled by the 612*fb1b10abSAndroid Build Coastguard Worker VP8E_SET_NOISE_SENSITIVITY control. The temporal denoiser does not 613*fb1b10abSAndroid Build Coastguard Worker currently take a strength parameter, so the control is effectively 614*fb1b10abSAndroid Build Coastguard Worker a boolean - zero (off) or non-zero (on). For compatibility with 615*fb1b10abSAndroid Build Coastguard Worker existing applications, the values accepted are the same as those 616*fb1b10abSAndroid Build Coastguard Worker for the spatial denoiser (0-6). The temporal denoiser is enabled 617*fb1b10abSAndroid Build Coastguard Worker by default, and the older spatial denoiser may be restored by 618*fb1b10abSAndroid Build Coastguard Worker configuring with --disable-temporal-denoising. The temporal denoiser 619*fb1b10abSAndroid Build Coastguard Worker is more computationally intensive than the spatial one. 620*fb1b10abSAndroid Build Coastguard Worker 621*fb1b10abSAndroid Build Coastguard Worker This release removes support for a legacy, decode only API that was 622*fb1b10abSAndroid Build Coastguard Worker supported, but deprecated, at the initial release of libvpx 623*fb1b10abSAndroid Build Coastguard Worker (v0.9.0). This is not expected to have any impact. If you are 624*fb1b10abSAndroid Build Coastguard Worker impacted, you can apply a reversion to commit 2bf8fb58 locally. 625*fb1b10abSAndroid Build Coastguard Worker Please update to the latest libvpx API if you are affected. 626*fb1b10abSAndroid Build Coastguard Worker 627*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 628*fb1b10abSAndroid Build Coastguard Worker Adds a motion compensated temporal denoiser to the encoder, which 629*fb1b10abSAndroid Build Coastguard Worker gives higher quality than the older spatial denoiser. (See above 630*fb1b10abSAndroid Build Coastguard Worker for notes on upgrading). 631*fb1b10abSAndroid Build Coastguard Worker 632*fb1b10abSAndroid Build Coastguard Worker In addition, support for new compilers and platforms were added, 633*fb1b10abSAndroid Build Coastguard Worker including: 634*fb1b10abSAndroid Build Coastguard Worker improved support for XCode 635*fb1b10abSAndroid Build Coastguard Worker Android x86 NDK build 636*fb1b10abSAndroid Build Coastguard Worker OS/2 support 637*fb1b10abSAndroid Build Coastguard Worker SunCC support 638*fb1b10abSAndroid Build Coastguard Worker 639*fb1b10abSAndroid Build Coastguard Worker Changing resolution with vpx_codec_enc_config_set() is now 640*fb1b10abSAndroid Build Coastguard Worker supported. Previously, reinitializing the codec was required to 641*fb1b10abSAndroid Build Coastguard Worker change the input resolution. 642*fb1b10abSAndroid Build Coastguard Worker 643*fb1b10abSAndroid Build Coastguard Worker The vpxenc application has initial support for producing multiple 644*fb1b10abSAndroid Build Coastguard Worker encodes from the same input in one call. Resizing is not yet 645*fb1b10abSAndroid Build Coastguard Worker supported, but varying other codec parameters is. Use -- to 646*fb1b10abSAndroid Build Coastguard Worker delineate output streams. Options persist from one stream to the 647*fb1b10abSAndroid Build Coastguard Worker next. 648*fb1b10abSAndroid Build Coastguard Worker 649*fb1b10abSAndroid Build Coastguard Worker Also, the vpxenc application will now use a keyframe interval of 650*fb1b10abSAndroid Build Coastguard Worker 5 seconds by default. Use the --kf-max-dist option to override. 651*fb1b10abSAndroid Build Coastguard Worker 652*fb1b10abSAndroid Build Coastguard Worker - Speed: 653*fb1b10abSAndroid Build Coastguard Worker Decoder performance improved 2.5% versus Duclair. Encoder speed is 654*fb1b10abSAndroid Build Coastguard Worker consistent with Duclair for most material. Two pass encoding of 655*fb1b10abSAndroid Build Coastguard Worker slideshow-like material will see significant improvements. 656*fb1b10abSAndroid Build Coastguard Worker 657*fb1b10abSAndroid Build Coastguard Worker Large realtime encoding speed gains at a small quality expense are 658*fb1b10abSAndroid Build Coastguard Worker possible by configuring the on-the-fly bitpacking experiment with 659*fb1b10abSAndroid Build Coastguard Worker --enable-onthefly-bitpacking. Realtime encoder can be up to 13% 660*fb1b10abSAndroid Build Coastguard Worker faster (ARM) depending on the number of threads and bitrate 661*fb1b10abSAndroid Build Coastguard Worker settings. This technique sees constant gain over the 5-16 speed 662*fb1b10abSAndroid Build Coastguard Worker range. For VC style input the loss seen is up to 0.2dB. See commit 663*fb1b10abSAndroid Build Coastguard Worker 52cf4dca for further details. 664*fb1b10abSAndroid Build Coastguard Worker 665*fb1b10abSAndroid Build Coastguard Worker - Quality: 666*fb1b10abSAndroid Build Coastguard Worker On the whole, quality is consistent with the Duclair release. Some 667*fb1b10abSAndroid Build Coastguard Worker tweaks: 668*fb1b10abSAndroid Build Coastguard Worker 669*fb1b10abSAndroid Build Coastguard Worker Reduced blockiness in easy sections by applying a penalty to 670*fb1b10abSAndroid Build Coastguard Worker intra modes. 671*fb1b10abSAndroid Build Coastguard Worker 672*fb1b10abSAndroid Build Coastguard Worker Improved quality of static sections (like slideshows) with 673*fb1b10abSAndroid Build Coastguard Worker two pass encoding. 674*fb1b10abSAndroid Build Coastguard Worker 675*fb1b10abSAndroid Build Coastguard Worker Improved keyframe sizing with multiple temporal layers 676*fb1b10abSAndroid Build Coastguard Worker 677*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 678*fb1b10abSAndroid Build Coastguard Worker Corrected alt-ref contribution to frame rate for visible updates 679*fb1b10abSAndroid Build Coastguard Worker to the alt-ref buffer. This affected applications making manual 680*fb1b10abSAndroid Build Coastguard Worker usage of the frame reference flags, or temporal layers. 681*fb1b10abSAndroid Build Coastguard Worker 682*fb1b10abSAndroid Build Coastguard Worker Additional constraints were added to disable multi-frame quality 683*fb1b10abSAndroid Build Coastguard Worker enhancement (MFQE) in sections of the frame where there is motion. 684*fb1b10abSAndroid Build Coastguard Worker (#392) 685*fb1b10abSAndroid Build Coastguard Worker 686*fb1b10abSAndroid Build Coastguard Worker Fixed corruption issues when vpx_codec_enc_config_set() was called 687*fb1b10abSAndroid Build Coastguard Worker with spatial resampling enabled. 688*fb1b10abSAndroid Build Coastguard Worker 689*fb1b10abSAndroid Build Coastguard Worker Fixed a decoder error introduced in Duclair where the segmentation 690*fb1b10abSAndroid Build Coastguard Worker map was not being reinitialized on keyframes (#378) 691*fb1b10abSAndroid Build Coastguard Worker 692*fb1b10abSAndroid Build Coastguard Worker 693*fb1b10abSAndroid Build Coastguard Worker2012-01-27 v1.0.0 "Duclair" 694*fb1b10abSAndroid Build Coastguard Worker Our fourth named release, focused on performance and features related to 695*fb1b10abSAndroid Build Coastguard Worker real-time encoding. It also fixes a decoder crash bug introduced in 696*fb1b10abSAndroid Build Coastguard Worker v0.9.7, so all users of that release are encouraged to upgrade. 697*fb1b10abSAndroid Build Coastguard Worker 698*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 699*fb1b10abSAndroid Build Coastguard Worker This release is ABI incompatible with prior releases of libvpx, so the 700*fb1b10abSAndroid Build Coastguard Worker "major" version number has been bumped to 1. You must recompile your 701*fb1b10abSAndroid Build Coastguard Worker applications against the latest version of the libvpx headers. The 702*fb1b10abSAndroid Build Coastguard Worker API remains compatible, and this should not require code changes in most 703*fb1b10abSAndroid Build Coastguard Worker applications. 704*fb1b10abSAndroid Build Coastguard Worker 705*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 706*fb1b10abSAndroid Build Coastguard Worker This release introduces several substantial new features to the encoder, 707*fb1b10abSAndroid Build Coastguard Worker of particular interest to real time streaming applications. 708*fb1b10abSAndroid Build Coastguard Worker 709*fb1b10abSAndroid Build Coastguard Worker Temporal scalability allows the encoder to produce a stream that can 710*fb1b10abSAndroid Build Coastguard Worker be decimated to different frame rates, with independent rate targeting 711*fb1b10abSAndroid Build Coastguard Worker for each substream. 712*fb1b10abSAndroid Build Coastguard Worker 713*fb1b10abSAndroid Build Coastguard Worker Multiframe quality enhancement postprocessing can make visual quality 714*fb1b10abSAndroid Build Coastguard Worker more consistent in the presence of frames that are substantially 715*fb1b10abSAndroid Build Coastguard Worker different quality than the surrounding frames, as in the temporal 716*fb1b10abSAndroid Build Coastguard Worker scalability case and in some forced keyframe scenarios. 717*fb1b10abSAndroid Build Coastguard Worker 718*fb1b10abSAndroid Build Coastguard Worker Multiple-resolution encoding support allows the encoding of the 719*fb1b10abSAndroid Build Coastguard Worker same content at different resolutions faster than encoding them 720*fb1b10abSAndroid Build Coastguard Worker separately. 721*fb1b10abSAndroid Build Coastguard Worker 722*fb1b10abSAndroid Build Coastguard Worker - Speed: 723*fb1b10abSAndroid Build Coastguard Worker Optimization targets for this release included the decoder and the real- 724*fb1b10abSAndroid Build Coastguard Worker time modes of the encoder. Decoder speed on x86 has improved 10.5% with 725*fb1b10abSAndroid Build Coastguard Worker this release. Encoder improvements followed a curve where speeds 1-3 726*fb1b10abSAndroid Build Coastguard Worker improved 4.0%-1.5%, speeds 4-8 improved <1%, and speeds 9-16 improved 727*fb1b10abSAndroid Build Coastguard Worker 1.5% to 10.5%, respectively. "Best" mode speed is consistent with the 728*fb1b10abSAndroid Build Coastguard Worker Cayuga release. 729*fb1b10abSAndroid Build Coastguard Worker 730*fb1b10abSAndroid Build Coastguard Worker - Quality: 731*fb1b10abSAndroid Build Coastguard Worker Encoder quality in the single stream case is consistent with the Cayuga 732*fb1b10abSAndroid Build Coastguard Worker release. 733*fb1b10abSAndroid Build Coastguard Worker 734*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 735*fb1b10abSAndroid Build Coastguard Worker This release fixes an OOB read decoder crash bug present in v0.9.7 736*fb1b10abSAndroid Build Coastguard Worker related to the clamping of motion vectors in SPLITMV blocks. This 737*fb1b10abSAndroid Build Coastguard Worker behavior could be triggered by corrupt input or by starting 738*fb1b10abSAndroid Build Coastguard Worker decoding from a P-frame. 739*fb1b10abSAndroid Build Coastguard Worker 740*fb1b10abSAndroid Build Coastguard Worker 741*fb1b10abSAndroid Build Coastguard Worker2011-08-15 v0.9.7-p1 "Cayuga" patch 1 742*fb1b10abSAndroid Build Coastguard Worker This is an incremental bugfix release against Cayuga. All users of that 743*fb1b10abSAndroid Build Coastguard Worker release are strongly encouraged to upgrade. 744*fb1b10abSAndroid Build Coastguard Worker 745*fb1b10abSAndroid Build Coastguard Worker - Fix potential OOB reads (cdae03a) 746*fb1b10abSAndroid Build Coastguard Worker 747*fb1b10abSAndroid Build Coastguard Worker An unbounded out of bounds read was discovered when the 748*fb1b10abSAndroid Build Coastguard Worker decoder was requested to perform error concealment (new in 749*fb1b10abSAndroid Build Coastguard Worker Cayuga) given a frame with corrupt partition sizes. 750*fb1b10abSAndroid Build Coastguard Worker 751*fb1b10abSAndroid Build Coastguard Worker A bounded out of bounds read was discovered affecting all 752*fb1b10abSAndroid Build Coastguard Worker versions of libvpx. Given an multipartition input frame that 753*fb1b10abSAndroid Build Coastguard Worker is truncated between the mode/mv partition and the first 754*fb1b10abSAndroid Build Coastguard Worker residiual paritition (in the block of partition offsets), up 755*fb1b10abSAndroid Build Coastguard Worker to 3 extra bytes could have been read from the source buffer. 756*fb1b10abSAndroid Build Coastguard Worker The code will not take any action regardless of the contents 757*fb1b10abSAndroid Build Coastguard Worker of these undefined bytes, as the truncated buffer is detected 758*fb1b10abSAndroid Build Coastguard Worker immediately following the read based on the calculated 759*fb1b10abSAndroid Build Coastguard Worker starting position of the coefficient partition. 760*fb1b10abSAndroid Build Coastguard Worker 761*fb1b10abSAndroid Build Coastguard Worker - Fix potential error concealment crash when the very first frame 762*fb1b10abSAndroid Build Coastguard Worker is missing or corrupt (a609be5) 763*fb1b10abSAndroid Build Coastguard Worker 764*fb1b10abSAndroid Build Coastguard Worker - Fix significant artifacts in error concealment (a4c2211, 99d870a) 765*fb1b10abSAndroid Build Coastguard Worker 766*fb1b10abSAndroid Build Coastguard Worker - Revert 1-pass CBR rate control changes (e961317) 767*fb1b10abSAndroid Build Coastguard Worker Further testing showed this change produced undesirable visual 768*fb1b10abSAndroid Build Coastguard Worker artifacts, rolling back for now. 769*fb1b10abSAndroid Build Coastguard Worker 770*fb1b10abSAndroid Build Coastguard Worker 771*fb1b10abSAndroid Build Coastguard Worker2011-08-02 v0.9.7 "Cayuga" 772*fb1b10abSAndroid Build Coastguard Worker Our third named release, focused on a faster, higher quality, encoder. 773*fb1b10abSAndroid Build Coastguard Worker 774*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 775*fb1b10abSAndroid Build Coastguard Worker This release is backwards compatible with Aylesbury (v0.9.5) and 776*fb1b10abSAndroid Build Coastguard Worker Bali (v0.9.6). Users of older releases should refer to the Upgrading 777*fb1b10abSAndroid Build Coastguard Worker notes in this document for that release. 778*fb1b10abSAndroid Build Coastguard Worker 779*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 780*fb1b10abSAndroid Build Coastguard Worker Stereo 3D format support for vpxenc 781*fb1b10abSAndroid Build Coastguard Worker Runtime detection of available processor cores. 782*fb1b10abSAndroid Build Coastguard Worker Allow specifying --end-usage by enum name 783*fb1b10abSAndroid Build Coastguard Worker vpxdec: test for frame corruption 784*fb1b10abSAndroid Build Coastguard Worker vpxenc: add quantizer histogram display 785*fb1b10abSAndroid Build Coastguard Worker vpxenc: add rate histogram display 786*fb1b10abSAndroid Build Coastguard Worker Set VPX_FRAME_IS_DROPPABLE 787*fb1b10abSAndroid Build Coastguard Worker update configure for ios sdk 4.3 788*fb1b10abSAndroid Build Coastguard Worker Avoid text relocations in ARM vp8 decoder 789*fb1b10abSAndroid Build Coastguard Worker Generate a vpx.pc file for pkg-config. 790*fb1b10abSAndroid Build Coastguard Worker New ways of passing encoded data between encoder and decoder. 791*fb1b10abSAndroid Build Coastguard Worker 792*fb1b10abSAndroid Build Coastguard Worker - Speed: 793*fb1b10abSAndroid Build Coastguard Worker This release includes across-the-board speed improvements to the 794*fb1b10abSAndroid Build Coastguard Worker encoder. On x86, these measure at approximately 11.5% in Best mode, 795*fb1b10abSAndroid Build Coastguard Worker 21.5% in Good mode (speed 0), and 22.5% in Realtime mode (speed 6). 796*fb1b10abSAndroid Build Coastguard Worker On ARM Cortex A9 with Neon extensions, real-time encoding of video 797*fb1b10abSAndroid Build Coastguard Worker telephony content is 35% faster than Bali on single core and 48% 798*fb1b10abSAndroid Build Coastguard Worker faster on multi-core. On the NVidia Tegra2 platform, real time 799*fb1b10abSAndroid Build Coastguard Worker encoding is 40% faster than Bali. 800*fb1b10abSAndroid Build Coastguard Worker 801*fb1b10abSAndroid Build Coastguard Worker Decoder speed was not a priority for this release, but improved 802*fb1b10abSAndroid Build Coastguard Worker approximately 8.4% on x86. 803*fb1b10abSAndroid Build Coastguard Worker 804*fb1b10abSAndroid Build Coastguard Worker Reduce motion vector search on alt-ref frame. 805*fb1b10abSAndroid Build Coastguard Worker Encoder loopfilter running in its own thread 806*fb1b10abSAndroid Build Coastguard Worker Reworked loopfilter to precalculate more parameters 807*fb1b10abSAndroid Build Coastguard Worker SSE2/SSSE3 optimizations for build_predictors_mbuv{,_s}(). 808*fb1b10abSAndroid Build Coastguard Worker Make hor UV predict ~2x faster (73 vs 132 cycles) using SSSE3. 809*fb1b10abSAndroid Build Coastguard Worker Removed redundant checks 810*fb1b10abSAndroid Build Coastguard Worker Reduced structure sizes 811*fb1b10abSAndroid Build Coastguard Worker utilize preload in ARMv6 MC/LPF/Copy routines 812*fb1b10abSAndroid Build Coastguard Worker ARM optimized quantization, dfct, variance, subtract 813*fb1b10abSAndroid Build Coastguard Worker Increase chrow row alignment to 16 bytes. 814*fb1b10abSAndroid Build Coastguard Worker disable trellis optimization for first pass 815*fb1b10abSAndroid Build Coastguard Worker Write SSSE3 sub-pixel filter function 816*fb1b10abSAndroid Build Coastguard Worker Improve SSE2 half-pixel filter funtions 817*fb1b10abSAndroid Build Coastguard Worker Add vp8_sub_pixel_variance16x8_ssse3 function 818*fb1b10abSAndroid Build Coastguard Worker Reduce unnecessary distortion computation 819*fb1b10abSAndroid Build Coastguard Worker Use diamond search to replace full search 820*fb1b10abSAndroid Build Coastguard Worker Preload reference area in sub-pixel motion search (real-time mode) 821*fb1b10abSAndroid Build Coastguard Worker 822*fb1b10abSAndroid Build Coastguard Worker - Quality: 823*fb1b10abSAndroid Build Coastguard Worker This release focused primarily on one-pass use cases, including 824*fb1b10abSAndroid Build Coastguard Worker video conferencing. Low latency data rate control was significantly 825*fb1b10abSAndroid Build Coastguard Worker improved, improving streamability over bandwidth constrained links. 826*fb1b10abSAndroid Build Coastguard Worker Added support for error concealment, allowing frames to maintain 827*fb1b10abSAndroid Build Coastguard Worker visual quality in the presence of substantial packet loss. 828*fb1b10abSAndroid Build Coastguard Worker 829*fb1b10abSAndroid Build Coastguard Worker Add rc_max_intra_bitrate_pct control 830*fb1b10abSAndroid Build Coastguard Worker Limit size of initial keyframe in one-pass. 831*fb1b10abSAndroid Build Coastguard Worker Improve framerate adaptation 832*fb1b10abSAndroid Build Coastguard Worker Improved 1-pass CBR rate control 833*fb1b10abSAndroid Build Coastguard Worker Improved KF insertion after fades to still. 834*fb1b10abSAndroid Build Coastguard Worker Improved key frame detection. 835*fb1b10abSAndroid Build Coastguard Worker Improved activity masking (lower PSNR impact for same SSIM boost) 836*fb1b10abSAndroid Build Coastguard Worker Improved interaction between GF and ARFs 837*fb1b10abSAndroid Build Coastguard Worker Adding error-concealment to the decoder. 838*fb1b10abSAndroid Build Coastguard Worker Adding support for independent partitions 839*fb1b10abSAndroid Build Coastguard Worker Adjusted rate-distortion constants 840*fb1b10abSAndroid Build Coastguard Worker 841*fb1b10abSAndroid Build Coastguard Worker 842*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 843*fb1b10abSAndroid Build Coastguard Worker Removed firstpass motion map 844*fb1b10abSAndroid Build Coastguard Worker Fix parallel make install 845*fb1b10abSAndroid Build Coastguard Worker Fix multithreaded encoding for 1 MB wide frame 846*fb1b10abSAndroid Build Coastguard Worker Fixed iwalsh_neon build problems with RVDS4.1 847*fb1b10abSAndroid Build Coastguard Worker Fix semaphore emulation, spin-wait intrinsics on Windows 848*fb1b10abSAndroid Build Coastguard Worker Fix build with xcode4 and simplify GLOBAL. 849*fb1b10abSAndroid Build Coastguard Worker Mark ARM asm objects as allowing a non-executable stack. 850*fb1b10abSAndroid Build Coastguard Worker Fix vpxenc encoding incorrect webm file header on big endian 851*fb1b10abSAndroid Build Coastguard Worker 852*fb1b10abSAndroid Build Coastguard Worker 853*fb1b10abSAndroid Build Coastguard Worker2011-03-07 v0.9.6 "Bali" 854*fb1b10abSAndroid Build Coastguard Worker Our second named release, focused on a faster, higher quality, encoder. 855*fb1b10abSAndroid Build Coastguard Worker 856*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 857*fb1b10abSAndroid Build Coastguard Worker This release is backwards compatible with Aylesbury (v0.9.5). Users 858*fb1b10abSAndroid Build Coastguard Worker of older releases should refer to the Upgrading notes in this 859*fb1b10abSAndroid Build Coastguard Worker document for that release. 860*fb1b10abSAndroid Build Coastguard Worker 861*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 862*fb1b10abSAndroid Build Coastguard Worker vpxenc --psnr shows a summary when encode completes 863*fb1b10abSAndroid Build Coastguard Worker --tune=ssim option to enable activity masking 864*fb1b10abSAndroid Build Coastguard Worker improved postproc visualizations for development 865*fb1b10abSAndroid Build Coastguard Worker updated support for Apple iOS to SDK 4.2 866*fb1b10abSAndroid Build Coastguard Worker query decoder to determine which reference frames were updated 867*fb1b10abSAndroid Build Coastguard Worker implemented error tracking in the decoder 868*fb1b10abSAndroid Build Coastguard Worker fix pipe support on windows 869*fb1b10abSAndroid Build Coastguard Worker 870*fb1b10abSAndroid Build Coastguard Worker - Speed: 871*fb1b10abSAndroid Build Coastguard Worker Primary focus was on good quality mode, speed 0. Average improvement 872*fb1b10abSAndroid Build Coastguard Worker on x86 about 40%, up to 100% on user-generated content at that speed. 873*fb1b10abSAndroid Build Coastguard Worker Best quality mode speed improved 35%, and realtime speed 10-20%. This 874*fb1b10abSAndroid Build Coastguard Worker release also saw significant improvement in realtime encoding speed 875*fb1b10abSAndroid Build Coastguard Worker on ARM platforms. 876*fb1b10abSAndroid Build Coastguard Worker 877*fb1b10abSAndroid Build Coastguard Worker Improved encoder threading 878*fb1b10abSAndroid Build Coastguard Worker Dont pick encoder filter level when loopfilter is disabled. 879*fb1b10abSAndroid Build Coastguard Worker Avoid double copying of key frames into alt and golden buffer 880*fb1b10abSAndroid Build Coastguard Worker FDCT optimizations. 881*fb1b10abSAndroid Build Coastguard Worker x86 sse2 temporal filter 882*fb1b10abSAndroid Build Coastguard Worker SSSE3 version of fast quantizer 883*fb1b10abSAndroid Build Coastguard Worker vp8_rd_pick_best_mbsegmentation code restructure 884*fb1b10abSAndroid Build Coastguard Worker Adjusted breakout RD for SPLITMV 885*fb1b10abSAndroid Build Coastguard Worker Changed segmentation check order 886*fb1b10abSAndroid Build Coastguard Worker Improved rd_pick_intra4x4block 887*fb1b10abSAndroid Build Coastguard Worker Adds armv6 optimized variance calculation 888*fb1b10abSAndroid Build Coastguard Worker ARMv6 optimized sad16x16 889*fb1b10abSAndroid Build Coastguard Worker ARMv6 optimized half pixel variance calculations 890*fb1b10abSAndroid Build Coastguard Worker Full search SAD function optimization in SSE4.1 891*fb1b10abSAndroid Build Coastguard Worker Improve MV prediction accuracy to achieve performance gain 892*fb1b10abSAndroid Build Coastguard Worker Improve MV prediction in vp8_pick_inter_mode() for speed>3 893*fb1b10abSAndroid Build Coastguard Worker 894*fb1b10abSAndroid Build Coastguard Worker - Quality: 895*fb1b10abSAndroid Build Coastguard Worker Best quality mode improved PSNR 6.3%, and SSIM 6.1%. This release 896*fb1b10abSAndroid Build Coastguard Worker also includes support for "activity masking," which greatly improves 897*fb1b10abSAndroid Build Coastguard Worker SSIM at the expense of PSNR. For now, this feature is available with 898*fb1b10abSAndroid Build Coastguard Worker the --tune=ssim option. Further experimentation in this area 899*fb1b10abSAndroid Build Coastguard Worker is ongoing. This release also introduces a new rate control mode 900*fb1b10abSAndroid Build Coastguard Worker called "CQ," which changes the allocation of bits within a clip to 901*fb1b10abSAndroid Build Coastguard Worker the sections where they will have the most visual impact. 902*fb1b10abSAndroid Build Coastguard Worker 903*fb1b10abSAndroid Build Coastguard Worker Tuning for the more exact quantizer. 904*fb1b10abSAndroid Build Coastguard Worker Relax rate control for last few frames 905*fb1b10abSAndroid Build Coastguard Worker CQ Mode 906*fb1b10abSAndroid Build Coastguard Worker Limit key frame quantizer for forced key frames. 907*fb1b10abSAndroid Build Coastguard Worker KF/GF Pulsing 908*fb1b10abSAndroid Build Coastguard Worker Add simple version of activity masking. 909*fb1b10abSAndroid Build Coastguard Worker make rdmult adaptive for intra in quantizer RDO 910*fb1b10abSAndroid Build Coastguard Worker cap the best quantizer for 2nd order DC 911*fb1b10abSAndroid Build Coastguard Worker change the threshold of DC check for encode breakout 912*fb1b10abSAndroid Build Coastguard Worker 913*fb1b10abSAndroid Build Coastguard Worker - Bug Fixes: 914*fb1b10abSAndroid Build Coastguard Worker Fix crash on Sparc Solaris. 915*fb1b10abSAndroid Build Coastguard Worker Fix counter of fixed keyframe distance 916*fb1b10abSAndroid Build Coastguard Worker ARNR filter pointer update bug fix 917*fb1b10abSAndroid Build Coastguard Worker Fixed use of motion percentage in KF/GF group calc 918*fb1b10abSAndroid Build Coastguard Worker Changed condition for using RD in Intra Mode 919*fb1b10abSAndroid Build Coastguard Worker Fix encoder real-time only configuration. 920*fb1b10abSAndroid Build Coastguard Worker Fix ARM encoder crash with multiple token partitions 921*fb1b10abSAndroid Build Coastguard Worker Fixed bug first cluster timecode of webm file is wrong. 922*fb1b10abSAndroid Build Coastguard Worker Fixed various encoder bugs with odd-sized images 923*fb1b10abSAndroid Build Coastguard Worker vp8e_get_preview fixed when spatial resampling enabled 924*fb1b10abSAndroid Build Coastguard Worker quantizer: fix assertion in fast quantizer path 925*fb1b10abSAndroid Build Coastguard Worker Allocate source buffers to be multiples of 16 926*fb1b10abSAndroid Build Coastguard Worker Fix for manual Golden frame frequency 927*fb1b10abSAndroid Build Coastguard Worker Fix drastic undershoot in long form content 928*fb1b10abSAndroid Build Coastguard Worker 929*fb1b10abSAndroid Build Coastguard Worker 930*fb1b10abSAndroid Build Coastguard Worker2010-10-28 v0.9.5 "Aylesbury" 931*fb1b10abSAndroid Build Coastguard Worker Our first named release, focused on a faster decoder, and a better encoder. 932*fb1b10abSAndroid Build Coastguard Worker 933*fb1b10abSAndroid Build Coastguard Worker - Upgrading: 934*fb1b10abSAndroid Build Coastguard Worker This release incorporates backwards-incompatible changes to the 935*fb1b10abSAndroid Build Coastguard Worker ivfenc and ivfdec tools. These tools are now called vpxenc and vpxdec. 936*fb1b10abSAndroid Build Coastguard Worker 937*fb1b10abSAndroid Build Coastguard Worker vpxdec 938*fb1b10abSAndroid Build Coastguard Worker * the -q (quiet) option has been removed, and replaced with 939*fb1b10abSAndroid Build Coastguard Worker -v (verbose). the output is quiet by default. Use -v to see 940*fb1b10abSAndroid Build Coastguard Worker the version number of the binary. 941*fb1b10abSAndroid Build Coastguard Worker 942*fb1b10abSAndroid Build Coastguard Worker * The default behavior is now to write output to a single file 943*fb1b10abSAndroid Build Coastguard Worker instead of individual frames. The -y option has been removed. 944*fb1b10abSAndroid Build Coastguard Worker Y4M output is the default. 945*fb1b10abSAndroid Build Coastguard Worker 946*fb1b10abSAndroid Build Coastguard Worker * For raw I420/YV12 output instead of Y4M, the --i420 or --yv12 947*fb1b10abSAndroid Build Coastguard Worker options must be specified. 948*fb1b10abSAndroid Build Coastguard Worker 949*fb1b10abSAndroid Build Coastguard Worker $ ivfdec -o OUTPUT INPUT 950*fb1b10abSAndroid Build Coastguard Worker $ vpxdec --i420 -o OUTPUT INPUT 951*fb1b10abSAndroid Build Coastguard Worker 952*fb1b10abSAndroid Build Coastguard Worker * If an output file is not specified, the default is to write 953*fb1b10abSAndroid Build Coastguard Worker Y4M to stdout. This makes piping more natural. 954*fb1b10abSAndroid Build Coastguard Worker 955*fb1b10abSAndroid Build Coastguard Worker $ ivfdec -y -o - INPUT | ... 956*fb1b10abSAndroid Build Coastguard Worker $ vpxdec INPUT | ... 957*fb1b10abSAndroid Build Coastguard Worker 958*fb1b10abSAndroid Build Coastguard Worker * The output file has additional flexibility for formatting the 959*fb1b10abSAndroid Build Coastguard Worker filename. It supports escape characters for constructing a 960*fb1b10abSAndroid Build Coastguard Worker filename from the width, height, and sequence number. This 961*fb1b10abSAndroid Build Coastguard Worker replaces the -p option. To get the equivalent: 962*fb1b10abSAndroid Build Coastguard Worker 963*fb1b10abSAndroid Build Coastguard Worker $ ivfdec -p frame INPUT 964*fb1b10abSAndroid Build Coastguard Worker $ vpxdec --i420 -o frame-%wx%h-%4.i420 INPUT 965*fb1b10abSAndroid Build Coastguard Worker 966*fb1b10abSAndroid Build Coastguard Worker vpxenc 967*fb1b10abSAndroid Build Coastguard Worker * The output file must be specified with -o, rather than as the 968*fb1b10abSAndroid Build Coastguard Worker last argument. 969*fb1b10abSAndroid Build Coastguard Worker 970*fb1b10abSAndroid Build Coastguard Worker $ ivfenc <options> INPUT OUTPUT 971*fb1b10abSAndroid Build Coastguard Worker $ vpxenc <options> -o OUTPUT INPUT 972*fb1b10abSAndroid Build Coastguard Worker 973*fb1b10abSAndroid Build Coastguard Worker * The output defaults to webm. To get IVF output, use the --ivf 974*fb1b10abSAndroid Build Coastguard Worker option. 975*fb1b10abSAndroid Build Coastguard Worker 976*fb1b10abSAndroid Build Coastguard Worker $ ivfenc <options> INPUT OUTPUT.ivf 977*fb1b10abSAndroid Build Coastguard Worker $ vpxenc <options> -o OUTPUT.ivf --ivf INPUT 978*fb1b10abSAndroid Build Coastguard Worker 979*fb1b10abSAndroid Build Coastguard Worker 980*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 981*fb1b10abSAndroid Build Coastguard Worker ivfenc and ivfdec have been renamed to vpxenc, vpxdec. 982*fb1b10abSAndroid Build Coastguard Worker vpxdec supports .webm input 983*fb1b10abSAndroid Build Coastguard Worker vpxdec writes .y4m by default 984*fb1b10abSAndroid Build Coastguard Worker vpxenc writes .webm output by default 985*fb1b10abSAndroid Build Coastguard Worker vpxenc --psnr now shows the average/overall PSNR at the end 986*fb1b10abSAndroid Build Coastguard Worker ARM platforms now support runtime cpu detection 987*fb1b10abSAndroid Build Coastguard Worker vpxdec visualizations added for motion vectors, block modes, references 988*fb1b10abSAndroid Build Coastguard Worker vpxdec now silent by default 989*fb1b10abSAndroid Build Coastguard Worker vpxdec --progress shows frame-by-frame timing information 990*fb1b10abSAndroid Build Coastguard Worker vpxenc supports the distinction between --fps and --timebase 991*fb1b10abSAndroid Build Coastguard Worker NASM is now a supported assembler 992*fb1b10abSAndroid Build Coastguard Worker configure: enable PIC for shared libs by default 993*fb1b10abSAndroid Build Coastguard Worker configure: add --enable-small 994*fb1b10abSAndroid Build Coastguard Worker configure: support for ppc32-linux-gcc 995*fb1b10abSAndroid Build Coastguard Worker configure: support for sparc-solaris-gcc 996*fb1b10abSAndroid Build Coastguard Worker 997*fb1b10abSAndroid Build Coastguard Worker - Bugs: 998*fb1b10abSAndroid Build Coastguard Worker Improve handling of invalid frames 999*fb1b10abSAndroid Build Coastguard Worker Fix valgrind errors in the NEON loop filters. 1000*fb1b10abSAndroid Build Coastguard Worker Fix loopfilter delta zero transitions 1001*fb1b10abSAndroid Build Coastguard Worker Fix valgrind errors in vp8_sixtap_predict8x4_armv6(). 1002*fb1b10abSAndroid Build Coastguard Worker Build fixes for darwin-icc 1003*fb1b10abSAndroid Build Coastguard Worker 1004*fb1b10abSAndroid Build Coastguard Worker - Speed: 1005*fb1b10abSAndroid Build Coastguard Worker 20-40% (average 28%) improvement in libvpx decoder speed, 1006*fb1b10abSAndroid Build Coastguard Worker including: 1007*fb1b10abSAndroid Build Coastguard Worker Rewrite vp8_short_walsh4x4_sse2() 1008*fb1b10abSAndroid Build Coastguard Worker Optimizations on the loopfilters. 1009*fb1b10abSAndroid Build Coastguard Worker Miscellaneous improvements for Atom 1010*fb1b10abSAndroid Build Coastguard Worker Add 4-tap version of 2nd-pass ARMv6 MC filter. 1011*fb1b10abSAndroid Build Coastguard Worker Improved multithread utilization 1012*fb1b10abSAndroid Build Coastguard Worker Better instruction choices on x86 1013*fb1b10abSAndroid Build Coastguard Worker reorder data to use wider instructions 1014*fb1b10abSAndroid Build Coastguard Worker Update NEON wide idcts 1015*fb1b10abSAndroid Build Coastguard Worker Make block access to frame buffer sequential 1016*fb1b10abSAndroid Build Coastguard Worker Improved subset block search 1017*fb1b10abSAndroid Build Coastguard Worker Bilinear subpixel optimizations for ssse3. 1018*fb1b10abSAndroid Build Coastguard Worker Decrease memory footprint 1019*fb1b10abSAndroid Build Coastguard Worker 1020*fb1b10abSAndroid Build Coastguard Worker Encoder speed improvements (percentage gain not measured): 1021*fb1b10abSAndroid Build Coastguard Worker Skip unnecessary search of identical frames 1022*fb1b10abSAndroid Build Coastguard Worker Add SSE2 subtract functions 1023*fb1b10abSAndroid Build Coastguard Worker Improve bounds checking in vp8_diamond_search_sadx4() 1024*fb1b10abSAndroid Build Coastguard Worker Added vp8_fast_quantize_b_sse2 1025*fb1b10abSAndroid Build Coastguard Worker 1026*fb1b10abSAndroid Build Coastguard Worker - Quality: 1027*fb1b10abSAndroid Build Coastguard Worker Over 7% overall PSNR improvement (6.3% SSIM) in "best" quality 1028*fb1b10abSAndroid Build Coastguard Worker encoding mode, and up to 60% improvement on very noisy, still 1029*fb1b10abSAndroid Build Coastguard Worker or slow moving source video 1030*fb1b10abSAndroid Build Coastguard Worker 1031*fb1b10abSAndroid Build Coastguard Worker Motion compensated temporal filter for Alt-Ref Noise Reduction 1032*fb1b10abSAndroid Build Coastguard Worker Improved use of trellis quantization on 2nd order Y blocks 1033*fb1b10abSAndroid Build Coastguard Worker Tune effect of motion on KF/GF boost in two pass 1034*fb1b10abSAndroid Build Coastguard Worker Allow coefficient optimization for good quality speed 0. 1035*fb1b10abSAndroid Build Coastguard Worker Improved control of active min quantizer for two pass. 1036*fb1b10abSAndroid Build Coastguard Worker Enable ARFs for non-lagged compress 1037*fb1b10abSAndroid Build Coastguard Worker 1038*fb1b10abSAndroid Build Coastguard Worker2010-09-02 v0.9.2 1039*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 1040*fb1b10abSAndroid Build Coastguard Worker Disable frame dropping by default 1041*fb1b10abSAndroid Build Coastguard Worker Improved multithreaded performance 1042*fb1b10abSAndroid Build Coastguard Worker Improved Force Key Frame Behaviour 1043*fb1b10abSAndroid Build Coastguard Worker Increased rate control buffer level precision 1044*fb1b10abSAndroid Build Coastguard Worker Fix bug in 1st pass motion compensation 1045*fb1b10abSAndroid Build Coastguard Worker ivfenc: correct fixed kf interval, --disable-kf 1046*fb1b10abSAndroid Build Coastguard Worker - Speed: 1047*fb1b10abSAndroid Build Coastguard Worker Changed above and left context data layout 1048*fb1b10abSAndroid Build Coastguard Worker Rework idct calling structure. 1049*fb1b10abSAndroid Build Coastguard Worker Removed unnecessary MB_MODE_INFO copies 1050*fb1b10abSAndroid Build Coastguard Worker x86: SSSE3 sixtap prediction 1051*fb1b10abSAndroid Build Coastguard Worker Reworked IDCT to include reconstruction (add) step 1052*fb1b10abSAndroid Build Coastguard Worker Swap alt/gold/new/last frame buffer ptrs instead of copying. 1053*fb1b10abSAndroid Build Coastguard Worker Improve SSE2 loopfilter functions 1054*fb1b10abSAndroid Build Coastguard Worker Change bitreader to use a larger window. 1055*fb1b10abSAndroid Build Coastguard Worker Avoid loopfilter reinitialization when possible 1056*fb1b10abSAndroid Build Coastguard Worker - Quality: 1057*fb1b10abSAndroid Build Coastguard Worker Normalize quantizer's zero bin and rounding factors 1058*fb1b10abSAndroid Build Coastguard Worker Add trellis quantization. 1059*fb1b10abSAndroid Build Coastguard Worker Make the quantizer exact. 1060*fb1b10abSAndroid Build Coastguard Worker Updates to ARNR filtering algorithm 1061*fb1b10abSAndroid Build Coastguard Worker Fix breakout thresh computation for golden & AltRef frames 1062*fb1b10abSAndroid Build Coastguard Worker Redo the forward 4x4 dct 1063*fb1b10abSAndroid Build Coastguard Worker Improve the accuracy of forward walsh-hadamard transform 1064*fb1b10abSAndroid Build Coastguard Worker Further adjustment of RD behaviour with Q and Zbin. 1065*fb1b10abSAndroid Build Coastguard Worker - Build System: 1066*fb1b10abSAndroid Build Coastguard Worker Allow linking of libs built with MinGW to MSVC 1067*fb1b10abSAndroid Build Coastguard Worker Fix target auto-detection on mingw32 1068*fb1b10abSAndroid Build Coastguard Worker Allow --cpu= to work for x86. 1069*fb1b10abSAndroid Build Coastguard Worker configure: pass original arguments through to make dist 1070*fb1b10abSAndroid Build Coastguard Worker Fix builds without runtime CPU detection 1071*fb1b10abSAndroid Build Coastguard Worker msvs: fix install of codec sources 1072*fb1b10abSAndroid Build Coastguard Worker msvs: Change devenv.com command line for better msys support 1073*fb1b10abSAndroid Build Coastguard Worker msvs: Add vs9 targets. 1074*fb1b10abSAndroid Build Coastguard Worker Add x86_64-linux-icc target 1075*fb1b10abSAndroid Build Coastguard Worker - Bugs: 1076*fb1b10abSAndroid Build Coastguard Worker Potential crashes on older MinGW builds 1077*fb1b10abSAndroid Build Coastguard Worker Fix two-pass framrate for Y4M input. 1078*fb1b10abSAndroid Build Coastguard Worker Fixed simple loop filter, other crashes on ARM v6 1079*fb1b10abSAndroid Build Coastguard Worker arm: fix missing dependency with --enable-shared 1080*fb1b10abSAndroid Build Coastguard Worker configure: support directories containing .o 1081*fb1b10abSAndroid Build Coastguard Worker Replace pinsrw (SSE) with MMX instructions 1082*fb1b10abSAndroid Build Coastguard Worker apple: include proper mach primatives 1083*fb1b10abSAndroid Build Coastguard Worker Fixed rate control bug with long key frame interval. 1084*fb1b10abSAndroid Build Coastguard Worker Fix DSO link errors on x86-64 when not using a version script 1085*fb1b10abSAndroid Build Coastguard Worker Fixed buffer selection for UV in AltRef filtering 1086*fb1b10abSAndroid Build Coastguard Worker 1087*fb1b10abSAndroid Build Coastguard Worker 1088*fb1b10abSAndroid Build Coastguard Worker2010-06-17 v0.9.1 1089*fb1b10abSAndroid Build Coastguard Worker - Enhancements: 1090*fb1b10abSAndroid Build Coastguard Worker * ivfenc/ivfdec now support YUV4MPEG2 input and pipe I/O 1091*fb1b10abSAndroid Build Coastguard Worker * Speed optimizations 1092*fb1b10abSAndroid Build Coastguard Worker - Bugfixes: 1093*fb1b10abSAndroid Build Coastguard Worker * Rate control 1094*fb1b10abSAndroid Build Coastguard Worker * Prevent out-of-bounds accesses on invalid data 1095*fb1b10abSAndroid Build Coastguard Worker - Build system updates: 1096*fb1b10abSAndroid Build Coastguard Worker * Detect toolchain to be used automatically for native builds 1097*fb1b10abSAndroid Build Coastguard Worker * Support building shared libraries 1098*fb1b10abSAndroid Build Coastguard Worker * Better autotools emulation (--prefix, --libdir, DESTDIR) 1099*fb1b10abSAndroid Build Coastguard Worker - Updated LICENSE 1100*fb1b10abSAndroid Build Coastguard Worker * http://webmproject.blogspot.com/2010/06/changes-to-webm-open-source-license.html 1101*fb1b10abSAndroid Build Coastguard Worker 1102*fb1b10abSAndroid Build Coastguard Worker 1103*fb1b10abSAndroid Build Coastguard Worker2010-05-18 v0.9.0 1104*fb1b10abSAndroid Build Coastguard Worker - Initial open source release. Welcome to WebM and VP8! 1105*fb1b10abSAndroid Build Coastguard Worker 1106