From 59aaed8409c1f3da2df426eba06d682d6bd7ec9b Mon Sep 17 00:00:00 2001 From: Eirik Aavitsland Date: Thu, 18 Feb 2021 15:58:00 +0100 Subject: Update bundled libwebp to version 1.2.0 [ChangeLog][Third-Party Code] Update bundled libwebp to version 1.2.0 Pick-to: 6.1 6.0 5.15 5.12 Change-Id: Idb95b278c613361d82ea32bd9f591fbe87bfe66f Reviewed-by: Liang Qi --- src/3rdparty/libwebp/AUTHORS | 2 + src/3rdparty/libwebp/ChangeLog | 78 +++++ src/3rdparty/libwebp/NEWS | 12 + src/3rdparty/libwebp/README | 14 +- src/3rdparty/libwebp/qt_attribution.json | 2 +- src/3rdparty/libwebp/src/dec/io_dec.c | 53 ++-- src/3rdparty/libwebp/src/dec/vp8_dec.c | 12 +- src/3rdparty/libwebp/src/dec/vp8i_dec.h | 2 +- src/3rdparty/libwebp/src/dec/vp8l_dec.c | 1 - src/3rdparty/libwebp/src/demux/anim_decode.c | 11 +- src/3rdparty/libwebp/src/demux/demux.c | 7 +- src/3rdparty/libwebp/src/dsp/alpha_processing.c | 8 + .../libwebp/src/dsp/alpha_processing_sse2.c | 22 ++ src/3rdparty/libwebp/src/dsp/cpu.c | 38 ++- src/3rdparty/libwebp/src/dsp/dec_neon.c | 68 +++-- src/3rdparty/libwebp/src/dsp/dsp.h | 18 +- src/3rdparty/libwebp/src/dsp/lossless.c | 56 ++-- src/3rdparty/libwebp/src/dsp/lossless.h | 17 +- src/3rdparty/libwebp/src/dsp/lossless_common.h | 13 - src/3rdparty/libwebp/src/dsp/lossless_enc.c | 173 ++--------- src/3rdparty/libwebp/src/dsp/lossless_enc_sse2.c | 38 ++- src/3rdparty/libwebp/src/enc/analysis_enc.c | 60 ---- .../libwebp/src/enc/backward_references_enc.c | 201 +++++++++---- .../libwebp/src/enc/backward_references_enc.h | 20 +- src/3rdparty/libwebp/src/enc/config_enc.c | 5 + src/3rdparty/libwebp/src/enc/frame_enc.c | 20 +- src/3rdparty/libwebp/src/enc/histogram_enc.c | 1 + src/3rdparty/libwebp/src/enc/picture_csp_enc.c | 14 +- src/3rdparty/libwebp/src/enc/picture_tools_enc.c | 31 +- src/3rdparty/libwebp/src/enc/vp8i_enc.h | 8 +- src/3rdparty/libwebp/src/enc/vp8l_enc.c | 327 +++++++++++---------- src/3rdparty/libwebp/src/enc/vp8li_enc.h | 2 +- src/3rdparty/libwebp/src/enc/webp_enc.c | 2 +- src/3rdparty/libwebp/src/mux/muxi.h | 2 +- src/3rdparty/libwebp/src/mux/muxread.c | 2 - src/3rdparty/libwebp/src/utils/utils.c | 2 +- src/3rdparty/libwebp/src/webp/config.h | 6 +- src/3rdparty/libwebp/src/webp/decode.h | 2 +- src/3rdparty/libwebp/src/webp/encode.h | 8 +- 39 files changed, 736 insertions(+), 622 deletions(-) (limited to 'src') diff --git a/src/3rdparty/libwebp/AUTHORS b/src/3rdparty/libwebp/AUTHORS index 32ff2fb..8a6e262 100644 --- a/src/3rdparty/libwebp/AUTHORS +++ b/src/3rdparty/libwebp/AUTHORS @@ -6,6 +6,7 @@ Contributors: - Christian Duvivier (cduvivier at google dot com) - Djordje Pesut (djordje dot pesut at imgtec dot com) - Hui Su (huisu at google dot com) +- Ingvar Stepanyan (rreverser at google dot com) - James Zern (jzern at google dot com) - Jan Engelhardt (jengelh at medozas dot de) - Jehan (jehan at girinstud dot io) @@ -41,5 +42,6 @@ Contributors: - Vikas Arora (vikasa at google dot com) - Vincent Rabaud (vrabaud at google dot com) - Vlad Tsyrklevich (vtsyrklevich at chromium dot org) +- Wan-Teh Chang (wtc at google dot com) - Yang Zhang (yang dot zhang at arm dot com) - Yannis Guyon (yguyon at google dot com) diff --git a/src/3rdparty/libwebp/ChangeLog b/src/3rdparty/libwebp/ChangeLog index 0a286fc..895ae99 100644 --- a/src/3rdparty/libwebp/ChangeLog +++ b/src/3rdparty/libwebp/ChangeLog @@ -1,4 +1,82 @@ +170a8712 Fix check_c_source_compiles with pthread. +85995719 disable CombinedShannonEntropy_SSE2 on x86 +8af7436f Merge "{ios,xcframework}build.sh: make min version(s) more visible" into 1.2.0 +e56c3c5b pngdec: raise memory limit if needed +13b8e9fe {ios,xcframework}build.sh: make min version(s) more visible +a9225410 animdecoder_fuzzer: fix memory leak +d6c2285d update gradle to 6.1.1 +52ce6333 update NEWS +28c49820 bump version to 1.2.0 +7363dff2 webp/encode.h: restore WEBP_ENCODER_ABI_VERSION to v1.1.0 +826aafa5 update AUTHORS +63258823 animdecoder_fuzzer: validate canvas size +9eb26381 CMake: remove duplicate "include(GNUInstallDirs)" +2e7bed79 WebPPicture: clarify the ownership of user-owned data. +cccf5e33 webpmux: add an '-set loop ' option +c9a3f6a1 Merge changes Ie29f9867,I289c54c4 +319f56f1 iosbuild.sh: sync some aspects of xcframeworkbuild.sh +e8e8db98 add xcframeworkbuild.sh +ae545534 dsp.h: allow config.h to override MSVC SIMD autodetection +fef789f3 Merge "cmake: fix per-file assembly flags" +fc14fc03 Have C encoding predictors use decoding predictors. +7656f0b3 README,cosmetics: fix a couple typos +d2e245ea cmake: disable webp.js if WEBP_ENABLE_SIMD=1 +96099a79 cmake: fix per-file assembly flags +5abb5582 Merge "cmake: fix compilation w/Xcode generator" +8484a120 cmake: fix compilation w/Xcode generator +d7bf01c9 Merge changes Ifcae0f38,Iee2d7401 +36c81ff6 WASM-SIMD: port 2 patches from rreverser@'s tree +988b02ab Merge "Couple of fixes to allow SIMD on Emscripten" +26faf770 wicdec: fail with animated images +ab2d08a8 [cd]webp: document lack of animated webp support +52273943 Couple of fixes to allow SIMD on Emscripten +8870ba7f Fix skia bug #10952 +4b3c6953 Detect if StoreFrame read more than anmf_payload_size bytes +17fd4ba8 webp/decode.h,cosmetics: normalize 'flip' comment +411d3677 remove some unreachable break statements +3700ffd7 WebPPictureHasTransparency: remove unreachable return +83604bf3 {animencoder,enc_dec}_fuzzer: convert some abort()s to returns +eb44119c Merge changes I8ae09473,I678c8b1e +9f6055fc fuzz_utils.h: rename max() to Max() +695788e7 fuzz_utils.h: make functions WEBP_INLINE +906c1fcd make ImgIoUtilReadFile use WebPMalloc instead of malloc +8cb7e536 rename demux_api_fuzzer.c -> mux_demux_api_fuzzer.c +443db47d add animdecoder_fuzzer.cc +36a6eea3 Merge "import fuzzers from oss-fuzz/chromium" +ec5f12c1 Makefile.vc: remove deprecated /Gm option +64425a08 picture_tools_enc: fix windows build warning +bd94090a import fuzzers from oss-fuzz/chromium +cf847cba use WEBP_DSP_INIT_FUNC for Init{GammaTables*,GetCoeffs} +55a080e5 Add WebPReplaceTransparentPixels() in dsp +84739717 GetBackgroundColorGIF: promote to uint32_t before << 24 +def64e92 cwebp: Fix -print_psnr for near_lossless +cf2f88b3 Add palette and spatial for q >= 75 and -m 5 +f0110bae Add no-color cache configuration to the cruncher +749a8b99 Better estimate of the cache cost. +4f9f00cc Use spatial predictors on top of palette no matter what. +7658c686 Add spatial prediction on top of palette in cruncher. +133ff0e3 webp_js: force WASM=0 option explicitly +e3c259a2 Fix integer overflow in EmitFancyRGB. +b3ff0bde man/{gif2,img2}webp,webpmux: normalize some wording +f9b30586 fix ABI breakage introduced by 6a0ff358 +1d58dcfc README.webp_js: update note about emscripten version +44070266 README.webp_js: s/fastcomp/upstream/ +2565fa8f README.webp_js: update cmake command +47309ef5 webp: WEBP_OFFSET_PTR() +687ab00e DC{4,8,16}_NEON: replace vmovl w/vaddl +1b92fe75 DC16_NEON,aarch64: use vaddlv +53f3d8cf dec_neon,DC8_NEON: use vaddlv instead of movl+vaddv +27d08240 Fix integer overflow in WebPAnimDecoderGetNext() +69776e38 Merge "remove call to MBAnalyzeBestIntra4Mode for method >= 5" +a99078c1 remove call to MBAnalyzeBestIntra4Mode for method >= 5 +22e404cc CMakeLists.txt: fix set(CACHE) argument order +71690b52 fix MSVC warning +6a0ff358 Enc: add a qmin / qmax range for quality factor +0fa56f30 Merge tag 'v1.1.0' +6cf504d0 PNM decoding: handle max_value != 255 +d7844e97 update ChangeLog (tag: v1.1.0-rc2, tag: v1.1.0, origin/1.1.0) 7f006436 Makefile.vc: fix webp_quality.exe link +cf047e83 Makefile.vc: fix webp_quality.exe link c074c653 update NEWS 30f09551 bump version to 1.1.0 a76694a1 update AUTHORS diff --git a/src/3rdparty/libwebp/NEWS b/src/3rdparty/libwebp/NEWS index 46daa09..5b87b3a 100644 --- a/src/3rdparty/libwebp/NEWS +++ b/src/3rdparty/libwebp/NEWS @@ -1,3 +1,15 @@ +- 12/23/2020: version 1.2.0 + * API changes: + - libwebp: + encode.h: add a qmin / qmax range for quality factor (cwebp adds -qrange) + * lossless encoder improvements + * SIMD support for Wasm builds + * add xcframeworkbuild.sh, supports Mac Catalyst builds + * import fuzzers from oss-fuzz & chromium (#409) + * webpmux: add an '-set loop ' option (#494) + * toolchain updates and bug fixes (#449, #463, #470, #475, #477, #478, #479, + #488, #491) + - 12/18/2019: version 1.1.0 * API changes: - libwebp: diff --git a/src/3rdparty/libwebp/README b/src/3rdparty/libwebp/README index 0592727..bbe2c81 100644 --- a/src/3rdparty/libwebp/README +++ b/src/3rdparty/libwebp/README @@ -4,7 +4,7 @@ \__\__/\____/\_____/__/ ____ ___ / _/ / \ \ / _ \/ _/ / \_/ / / \ \ __/ \__ - \____/____/\_____/_____/____/v1.1.0 + \____/____/\_____/_____/____/v1.2.0 Description: ============ @@ -113,7 +113,7 @@ make install CMake: ------ -With CMake, you can compile libwebp, cwebp, dwebp, gif2web, img2webp, webpinfo +With CMake, you can compile libwebp, cwebp, dwebp, gif2webp, img2webp, webpinfo and the JS bindings. Prerequisites: @@ -225,6 +225,7 @@ Usage: If input size (-s) for an image is not specified, it is assumed to be a PNG, JPEG, TIFF or WebP file. +Note: Animated PNG and WebP files are not supported. Options: -h / -help ............. short help @@ -254,6 +255,8 @@ Options: -partition_limit . limit quality to fit the 512k limit on the first partition (0=no degradation ... 100=full) -pass ............ analysis pass number (1..10) + -qrange .... specifies the permissible quality range + (default: 0 100) -crop .. crop picture with the given rectangle -resize ........ resize picture (after any cropping) -mt .................... use multi-threading if available @@ -294,6 +297,7 @@ Experimental Options: -af .................... auto-adjust filter strength -pre ............. pre-processing filter + The main options you might want to try in order to further tune the visual quality are: -preset @@ -341,7 +345,9 @@ The full list of options is available using -h: > dwebp -h Usage: dwebp in_file [options] [-o out_file] -Decodes the WebP image file to PNG format [Default] +Decodes the WebP image file to PNG format [Default]. +Note: Animated WebP files are not supported. + Use following options to convert into alternate image formats: -pam ......... save the raw RGBA samples as a color PAM -ppm ......... save the raw RGB samples as a color PPM @@ -423,7 +429,7 @@ Prerequisites: 1) OpenGL & OpenGL Utility Toolkit (GLUT) Linux: $ sudo apt-get install freeglut3-dev mesa-common-dev - Mac + XCode: + Mac + Xcode: - These libraries should be available in the OpenGL / GLUT frameworks. Windows: http://freeglut.sourceforge.net/index.php#download diff --git a/src/3rdparty/libwebp/qt_attribution.json b/src/3rdparty/libwebp/qt_attribution.json index 618c31c..bb7577e 100644 --- a/src/3rdparty/libwebp/qt_attribution.json +++ b/src/3rdparty/libwebp/qt_attribution.json @@ -6,7 +6,7 @@ "Description": "WebP is a new image format that provides lossless and lossy compression for images on the web.", "Homepage": "https://developers.google.com/speed/webp/", - "Version": "1.1.0", + "Version": "1.2.0", "License": "BSD 3-clause \"New\" or \"Revised\" License", "LicenseId": "BSD-3-Clause", "LicenseFile": "COPYING", diff --git a/src/3rdparty/libwebp/src/dec/io_dec.c b/src/3rdparty/libwebp/src/dec/io_dec.c index e603f19..29dc634 100644 --- a/src/3rdparty/libwebp/src/dec/io_dec.c +++ b/src/3rdparty/libwebp/src/dec/io_dec.c @@ -25,21 +25,16 @@ static int EmitYUV(const VP8Io* const io, WebPDecParams* const p) { WebPDecBuffer* output = p->output; const WebPYUVABuffer* const buf = &output->u.YUVA; - uint8_t* const y_dst = buf->y + io->mb_y * buf->y_stride; - uint8_t* const u_dst = buf->u + (io->mb_y >> 1) * buf->u_stride; - uint8_t* const v_dst = buf->v + (io->mb_y >> 1) * buf->v_stride; + uint8_t* const y_dst = buf->y + (size_t)io->mb_y * buf->y_stride; + uint8_t* const u_dst = buf->u + (size_t)(io->mb_y >> 1) * buf->u_stride; + uint8_t* const v_dst = buf->v + (size_t)(io->mb_y >> 1) * buf->v_stride; const int mb_w = io->mb_w; const int mb_h = io->mb_h; const int uv_w = (mb_w + 1) / 2; const int uv_h = (mb_h + 1) / 2; - int j; - for (j = 0; j < mb_h; ++j) { - memcpy(y_dst + j * buf->y_stride, io->y + j * io->y_stride, mb_w); - } - for (j = 0; j < uv_h; ++j) { - memcpy(u_dst + j * buf->u_stride, io->u + j * io->uv_stride, uv_w); - memcpy(v_dst + j * buf->v_stride, io->v + j * io->uv_stride, uv_w); - } + WebPCopyPlane(io->y, io->y_stride, y_dst, buf->y_stride, mb_w, mb_h); + WebPCopyPlane(io->u, io->uv_stride, u_dst, buf->u_stride, uv_w, uv_h); + WebPCopyPlane(io->v, io->uv_stride, v_dst, buf->v_stride, uv_w, uv_h); return io->mb_h; } @@ -47,7 +42,7 @@ static int EmitYUV(const VP8Io* const io, WebPDecParams* const p) { static int EmitSampledRGB(const VP8Io* const io, WebPDecParams* const p) { WebPDecBuffer* const output = p->output; WebPRGBABuffer* const buf = &output->u.RGBA; - uint8_t* const dst = buf->rgba + io->mb_y * buf->stride; + uint8_t* const dst = buf->rgba + (size_t)io->mb_y * buf->stride; WebPSamplerProcessPlane(io->y, io->y_stride, io->u, io->v, io->uv_stride, dst, buf->stride, io->mb_w, io->mb_h, @@ -62,7 +57,7 @@ static int EmitSampledRGB(const VP8Io* const io, WebPDecParams* const p) { static int EmitFancyRGB(const VP8Io* const io, WebPDecParams* const p) { int num_lines_out = io->mb_h; // a priori guess const WebPRGBABuffer* const buf = &p->output->u.RGBA; - uint8_t* dst = buf->rgba + io->mb_y * buf->stride; + uint8_t* dst = buf->rgba + (size_t)io->mb_y * buf->stride; WebPUpsampleLinePairFunc upsample = WebPUpsamplers[p->output->colorspace]; const uint8_t* cur_y = io->y; const uint8_t* cur_u = io->u; @@ -133,7 +128,7 @@ static int EmitAlphaYUV(const VP8Io* const io, WebPDecParams* const p, const WebPYUVABuffer* const buf = &p->output->u.YUVA; const int mb_w = io->mb_w; const int mb_h = io->mb_h; - uint8_t* dst = buf->a + io->mb_y * buf->a_stride; + uint8_t* dst = buf->a + (size_t)io->mb_y * buf->a_stride; int j; (void)expected_num_lines_out; assert(expected_num_lines_out == mb_h); @@ -186,7 +181,7 @@ static int EmitAlphaRGB(const VP8Io* const io, WebPDecParams* const p, (colorspace == MODE_ARGB || colorspace == MODE_Argb); const WebPRGBABuffer* const buf = &p->output->u.RGBA; int num_rows; - const int start_y = GetAlphaSourceRow(io, &alpha, &num_rows); + const size_t start_y = GetAlphaSourceRow(io, &alpha, &num_rows); uint8_t* const base_rgba = buf->rgba + start_y * buf->stride; uint8_t* const dst = base_rgba + (alpha_first ? 0 : 3); const int has_alpha = WebPDispatchAlpha(alpha, io->width, mb_w, @@ -210,7 +205,7 @@ static int EmitAlphaRGBA4444(const VP8Io* const io, WebPDecParams* const p, const WEBP_CSP_MODE colorspace = p->output->colorspace; const WebPRGBABuffer* const buf = &p->output->u.RGBA; int num_rows; - const int start_y = GetAlphaSourceRow(io, &alpha, &num_rows); + const size_t start_y = GetAlphaSourceRow(io, &alpha, &num_rows); uint8_t* const base_rgba = buf->rgba + start_y * buf->stride; #if (WEBP_SWAP_16BIT_CSP == 1) uint8_t* alpha_dst = base_rgba; @@ -276,9 +271,9 @@ static int EmitRescaledYUV(const VP8Io* const io, WebPDecParams* const p) { static int EmitRescaledAlphaYUV(const VP8Io* const io, WebPDecParams* const p, int expected_num_lines_out) { const WebPYUVABuffer* const buf = &p->output->u.YUVA; - uint8_t* const dst_a = buf->a + p->last_y * buf->a_stride; + uint8_t* const dst_a = buf->a + (size_t)p->last_y * buf->a_stride; if (io->a != NULL) { - uint8_t* const dst_y = buf->y + p->last_y * buf->y_stride; + uint8_t* const dst_y = buf->y + (size_t)p->last_y * buf->y_stride; const int num_lines_out = Rescale(io->a, io->width, io->mb_h, p->scaler_a); assert(expected_num_lines_out == num_lines_out); if (num_lines_out > 0) { // unmultiply the Y @@ -356,7 +351,7 @@ static int ExportRGB(WebPDecParams* const p, int y_pos) { const WebPYUV444Converter convert = WebPYUV444Converters[p->output->colorspace]; const WebPRGBABuffer* const buf = &p->output->u.RGBA; - uint8_t* dst = buf->rgba + y_pos * buf->stride; + uint8_t* dst = buf->rgba + (size_t)y_pos * buf->stride; int num_lines_out = 0; // For RGB rescaling, because of the YUV420, current scan position // U/V can be +1/-1 line from the Y one. Hence the double test. @@ -383,15 +378,15 @@ static int EmitRescaledRGB(const VP8Io* const io, WebPDecParams* const p) { while (j < mb_h) { const int y_lines_in = WebPRescalerImport(p->scaler_y, mb_h - j, - io->y + j * io->y_stride, io->y_stride); + io->y + (size_t)j * io->y_stride, io->y_stride); j += y_lines_in; if (WebPRescaleNeededLines(p->scaler_u, uv_mb_h - uv_j)) { - const int u_lines_in = - WebPRescalerImport(p->scaler_u, uv_mb_h - uv_j, - io->u + uv_j * io->uv_stride, io->uv_stride); - const int v_lines_in = - WebPRescalerImport(p->scaler_v, uv_mb_h - uv_j, - io->v + uv_j * io->uv_stride, io->uv_stride); + const int u_lines_in = WebPRescalerImport( + p->scaler_u, uv_mb_h - uv_j, io->u + (size_t)uv_j * io->uv_stride, + io->uv_stride); + const int v_lines_in = WebPRescalerImport( + p->scaler_v, uv_mb_h - uv_j, io->v + (size_t)uv_j * io->uv_stride, + io->uv_stride); (void)v_lines_in; // remove a gcc warning assert(u_lines_in == v_lines_in); uv_j += u_lines_in; @@ -403,7 +398,7 @@ static int EmitRescaledRGB(const VP8Io* const io, WebPDecParams* const p) { static int ExportAlpha(WebPDecParams* const p, int y_pos, int max_lines_out) { const WebPRGBABuffer* const buf = &p->output->u.RGBA; - uint8_t* const base_rgba = buf->rgba + y_pos * buf->stride; + uint8_t* const base_rgba = buf->rgba + (size_t)y_pos * buf->stride; const WEBP_CSP_MODE colorspace = p->output->colorspace; const int alpha_first = (colorspace == MODE_ARGB || colorspace == MODE_Argb); @@ -431,7 +426,7 @@ static int ExportAlpha(WebPDecParams* const p, int y_pos, int max_lines_out) { static int ExportAlphaRGBA4444(WebPDecParams* const p, int y_pos, int max_lines_out) { const WebPRGBABuffer* const buf = &p->output->u.RGBA; - uint8_t* const base_rgba = buf->rgba + y_pos * buf->stride; + uint8_t* const base_rgba = buf->rgba + (size_t)y_pos * buf->stride; #if (WEBP_SWAP_16BIT_CSP == 1) uint8_t* alpha_dst = base_rgba; #else @@ -470,7 +465,7 @@ static int EmitRescaledAlphaRGB(const VP8Io* const io, WebPDecParams* const p, int lines_left = expected_num_out_lines; const int y_end = p->last_y + lines_left; while (lines_left > 0) { - const int row_offset = scaler->src_y - io->mb_y; + const int64_t row_offset = (int64_t)scaler->src_y - io->mb_y; WebPRescalerImport(scaler, io->mb_h + io->mb_y - scaler->src_y, io->a + row_offset * io->width, io->width); lines_left -= p->emit_alpha_row(p, y_end - lines_left, lines_left); diff --git a/src/3rdparty/libwebp/src/dec/vp8_dec.c b/src/3rdparty/libwebp/src/dec/vp8_dec.c index 57efb69..8f73697 100644 --- a/src/3rdparty/libwebp/src/dec/vp8_dec.c +++ b/src/3rdparty/libwebp/src/dec/vp8_dec.c @@ -494,13 +494,11 @@ static int GetCoeffsAlt(VP8BitReader* const br, return 16; } -static WEBP_TSAN_IGNORE_FUNCTION void InitGetCoeffs(void) { - if (GetCoeffs == NULL) { - if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) { - GetCoeffs = GetCoeffsAlt; - } else { - GetCoeffs = GetCoeffsFast; - } +WEBP_DSP_INIT_FUNC(InitGetCoeffs) { + if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) { + GetCoeffs = GetCoeffsAlt; + } else { + GetCoeffs = GetCoeffsFast; } } diff --git a/src/3rdparty/libwebp/src/dec/vp8i_dec.h b/src/3rdparty/libwebp/src/dec/vp8i_dec.h index 600a684..a0c0af1 100644 --- a/src/3rdparty/libwebp/src/dec/vp8i_dec.h +++ b/src/3rdparty/libwebp/src/dec/vp8i_dec.h @@ -31,7 +31,7 @@ extern "C" { // version numbers #define DEC_MAJ_VERSION 1 -#define DEC_MIN_VERSION 1 +#define DEC_MIN_VERSION 2 #define DEC_REV_VERSION 0 // YUV-cache parameters. Cache is 32-bytes wide (= one cacheline). diff --git a/src/3rdparty/libwebp/src/dec/vp8l_dec.c b/src/3rdparty/libwebp/src/dec/vp8l_dec.c index 93615d4..2d603b4 100644 --- a/src/3rdparty/libwebp/src/dec/vp8l_dec.c +++ b/src/3rdparty/libwebp/src/dec/vp8l_dec.c @@ -947,7 +947,6 @@ static WEBP_INLINE void CopyBlock8b(uint8_t* const dst, int dist, int length) { break; default: goto Copy; - break; } CopySmallPattern8b(src, dst, length, pattern); return; diff --git a/src/3rdparty/libwebp/src/demux/anim_decode.c b/src/3rdparty/libwebp/src/demux/anim_decode.c index 05dd707..3dcacc3 100644 --- a/src/3rdparty/libwebp/src/demux/anim_decode.c +++ b/src/3rdparty/libwebp/src/demux/anim_decode.c @@ -346,12 +346,15 @@ int WebPAnimDecoderGetNext(WebPAnimDecoder* dec, { const uint8_t* in = iter.fragment.bytes; const size_t in_size = iter.fragment.size; - const size_t out_offset = - (iter.y_offset * width + iter.x_offset) * NUM_CHANNELS; + const uint32_t stride = width * NUM_CHANNELS; // at most 25 + 2 bits + const uint64_t out_offset = (uint64_t)iter.y_offset * stride + + (uint64_t)iter.x_offset * NUM_CHANNELS; // 53b + const uint64_t size = (uint64_t)iter.height * stride; // at most 25 + 27b WebPDecoderConfig* const config = &dec->config_; WebPRGBABuffer* const buf = &config->output.u.RGBA; - buf->stride = NUM_CHANNELS * width; - buf->size = buf->stride * iter.height; + if ((size_t)size != size) goto Error; + buf->stride = (int)stride; + buf->size = (size_t)size; buf->rgba = dec->curr_frame_ + out_offset; if (WebPDecode(in, in_size, config) != VP8_STATUS_OK) { diff --git a/src/3rdparty/libwebp/src/demux/demux.c b/src/3rdparty/libwebp/src/demux/demux.c index 1b3cc2e..860e2ce 100644 --- a/src/3rdparty/libwebp/src/demux/demux.c +++ b/src/3rdparty/libwebp/src/demux/demux.c @@ -24,7 +24,7 @@ #include "src/webp/format_constants.h" #define DMUX_MAJ_VERSION 1 -#define DMUX_MIN_VERSION 1 +#define DMUX_MIN_VERSION 2 #define DMUX_REV_VERSION 0 typedef struct { @@ -312,6 +312,7 @@ static ParseStatus ParseAnimationFrame( int bits; MemBuffer* const mem = &dmux->mem_; Frame* frame; + size_t start_offset; ParseStatus status = NewFrame(mem, ANMF_CHUNK_SIZE, frame_chunk_size, &frame); if (status != PARSE_OK) return status; @@ -332,7 +333,11 @@ static ParseStatus ParseAnimationFrame( // Store a frame only if the animation flag is set there is some data for // this frame is available. + start_offset = mem->start_; status = StoreFrame(dmux->num_frames_ + 1, anmf_payload_size, mem, frame); + if (status != PARSE_ERROR && mem->start_ - start_offset > anmf_payload_size) { + status = PARSE_ERROR; + } if (status != PARSE_ERROR && is_animation && frame->frame_num_ > 0) { added_frame = AddFrame(dmux, frame); if (added_frame) { diff --git a/src/3rdparty/libwebp/src/dsp/alpha_processing.c b/src/3rdparty/libwebp/src/dsp/alpha_processing.c index 819d139..3a27990 100644 --- a/src/3rdparty/libwebp/src/dsp/alpha_processing.c +++ b/src/3rdparty/libwebp/src/dsp/alpha_processing.c @@ -359,6 +359,11 @@ static int HasAlpha32b_C(const uint8_t* src, int length) { return 0; } +static void AlphaReplace_C(uint32_t* src, int length, uint32_t color) { + int x; + for (x = 0; x < length; ++x) if ((src[x] >> 24) == 0) src[x] = color; +} + //------------------------------------------------------------------------------ // Simple channel manipulations. @@ -400,6 +405,7 @@ void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b, int (*WebPHasAlpha8b)(const uint8_t* src, int length); int (*WebPHasAlpha32b)(const uint8_t* src, int length); +void (*WebPAlphaReplace)(uint32_t* src, int length, uint32_t color); //------------------------------------------------------------------------------ // Init function @@ -428,6 +434,7 @@ WEBP_DSP_INIT_FUNC(WebPInitAlphaProcessing) { WebPHasAlpha8b = HasAlpha8b_C; WebPHasAlpha32b = HasAlpha32b_C; + WebPAlphaReplace = AlphaReplace_C; // If defined, use CPUInfo() to overwrite some pointers with faster versions. if (VP8GetCPUInfo != NULL) { @@ -469,4 +476,5 @@ WEBP_DSP_INIT_FUNC(WebPInitAlphaProcessing) { assert(WebPPackRGB != NULL); assert(WebPHasAlpha8b != NULL); assert(WebPHasAlpha32b != NULL); + assert(WebPAlphaReplace != NULL); } diff --git a/src/3rdparty/libwebp/src/dsp/alpha_processing_sse2.c b/src/3rdparty/libwebp/src/dsp/alpha_processing_sse2.c index 2871c56..f6c6e0f 100644 --- a/src/3rdparty/libwebp/src/dsp/alpha_processing_sse2.c +++ b/src/3rdparty/libwebp/src/dsp/alpha_processing_sse2.c @@ -265,6 +265,27 @@ static int HasAlpha32b_SSE2(const uint8_t* src, int length) { return 0; } +static void AlphaReplace_SSE2(uint32_t* src, int length, uint32_t color) { + const __m128i m_color = _mm_set1_epi32(color); + const __m128i zero = _mm_setzero_si128(); + int i = 0; + for (; i + 8 <= length; i += 8) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0)); + const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 4)); + const __m128i b0 = _mm_srai_epi32(a0, 24); + const __m128i b1 = _mm_srai_epi32(a1, 24); + const __m128i c0 = _mm_cmpeq_epi32(b0, zero); + const __m128i c1 = _mm_cmpeq_epi32(b1, zero); + const __m128i d0 = _mm_and_si128(c0, m_color); + const __m128i d1 = _mm_and_si128(c1, m_color); + const __m128i e0 = _mm_andnot_si128(c0, a0); + const __m128i e1 = _mm_andnot_si128(c1, a1); + _mm_storeu_si128((__m128i*)(src + i + 0), _mm_or_si128(d0, e0)); + _mm_storeu_si128((__m128i*)(src + i + 4), _mm_or_si128(d1, e1)); + } + for (; i < length; ++i) if ((src[i] >> 24) == 0) src[i] = color; +} + // ----------------------------------------------------------------------------- // Apply alpha value to rows @@ -334,6 +355,7 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void) { WebPHasAlpha8b = HasAlpha8b_SSE2; WebPHasAlpha32b = HasAlpha32b_SSE2; + WebPAlphaReplace = AlphaReplace_SSE2; } #else // !WEBP_USE_SSE2 diff --git a/src/3rdparty/libwebp/src/dsp/cpu.c b/src/3rdparty/libwebp/src/dsp/cpu.c index 0fa5b6a..4ca90d8 100644 --- a/src/3rdparty/libwebp/src/dsp/cpu.c +++ b/src/3rdparty/libwebp/src/dsp/cpu.c @@ -55,12 +55,18 @@ static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { : "=a"(cpu_info[0]), "=b"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) : "a"(info_type), "c"(0)); } -#elif (defined(_M_X64) || defined(_M_IX86)) && \ - defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 150030729 // >= VS2008 SP1 +#elif defined(_MSC_VER) && (defined(_M_X64) || defined(_M_IX86)) + +#if defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 150030729 // >= VS2008 SP1 #include #define GetCPUInfo(info, type) __cpuidex(info, type, 0) // set ecx=0 -#elif defined(WEBP_MSC_SSE2) +#define WEBP_HAVE_MSC_CPUID +#elif _MSC_VER > 1310 +#include #define GetCPUInfo __cpuid +#define WEBP_HAVE_MSC_CPUID +#endif + #endif // NaCl has no support for xgetbv or the raw opcode. @@ -94,7 +100,7 @@ static WEBP_INLINE uint64_t xgetbv(void) { #define xgetbv() 0U // no AVX for older x64 or unrecognized toolchains. #endif -#if defined(__i386__) || defined(__x86_64__) || defined(WEBP_MSC_SSE2) +#if defined(__i386__) || defined(__x86_64__) || defined(WEBP_HAVE_MSC_CPUID) // helper function for run-time detection of slow SSSE3 platforms static int CheckSlowModel(int info) { @@ -179,6 +185,30 @@ static int AndroidCPUInfo(CPUFeature feature) { return 0; } VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo; +#elif defined(EMSCRIPTEN) // also needs to be before generic NEON test +// Use compile flags as an indicator of SIMD support instead of a runtime check. +static int wasmCPUInfo(CPUFeature feature) { + switch (feature) { +#ifdef WEBP_USE_SSE2 + case kSSE2: + return 1; +#endif +#ifdef WEBP_USE_SSE41 + case kSSE3: + case kSlowSSSE3: + case kSSE4_1: + return 1; +#endif +#ifdef WEBP_USE_NEON + case kNEON: + return 1; +#endif + default: + break; + } + return 0; +} +VP8CPUInfo VP8GetCPUInfo = wasmCPUInfo; #elif defined(WEBP_USE_NEON) // define a dummy function to enable turning off NEON at runtime by setting // VP8DecGetCPUInfo = NULL diff --git a/src/3rdparty/libwebp/src/dsp/dec_neon.c b/src/3rdparty/libwebp/src/dsp/dec_neon.c index 239ec41..fa85170 100644 --- a/src/3rdparty/libwebp/src/dsp/dec_neon.c +++ b/src/3rdparty/libwebp/src/dsp/dec_neon.c @@ -1283,12 +1283,12 @@ static void DC4_NEON(uint8_t* dst) { // DC const uint8x8_t A = vld1_u8(dst - BPS); // top row const uint16x4_t p0 = vpaddl_u8(A); // cascading summation of the top const uint16x4_t p1 = vpadd_u16(p0, p0); - const uint16x8_t L0 = vmovl_u8(vld1_u8(dst + 0 * BPS - 1)); - const uint16x8_t L1 = vmovl_u8(vld1_u8(dst + 1 * BPS - 1)); - const uint16x8_t L2 = vmovl_u8(vld1_u8(dst + 2 * BPS - 1)); - const uint16x8_t L3 = vmovl_u8(vld1_u8(dst + 3 * BPS - 1)); - const uint16x8_t s0 = vaddq_u16(L0, L1); - const uint16x8_t s1 = vaddq_u16(L2, L3); + const uint8x8_t L0 = vld1_u8(dst + 0 * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + 1 * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + 2 * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + 3 * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); const uint16x8_t s01 = vaddq_u16(s0, s1); const uint16x8_t sum = vaddq_u16(s01, vcombine_u16(p1, p1)); const uint8x8_t dc0 = vrshrn_n_u16(sum, 3); // (sum + 4) >> 3 @@ -1429,8 +1429,7 @@ static WEBP_INLINE void DC8_NEON(uint8_t* dst, int do_top, int do_left) { if (do_top) { const uint8x8_t A = vld1_u8(dst - BPS); // top row #if defined(__aarch64__) - const uint16x8_t B = vmovl_u8(A); - const uint16_t p2 = vaddvq_u16(B); + const uint16_t p2 = vaddlv_u8(A); sum_top = vdupq_n_u16(p2); #else const uint16x4_t p0 = vpaddl_u8(A); // cascading summation of the top @@ -1441,18 +1440,18 @@ static WEBP_INLINE void DC8_NEON(uint8_t* dst, int do_top, int do_left) { } if (do_left) { - const uint16x8_t L0 = vmovl_u8(vld1_u8(dst + 0 * BPS - 1)); - const uint16x8_t L1 = vmovl_u8(vld1_u8(dst + 1 * BPS - 1)); - const uint16x8_t L2 = vmovl_u8(vld1_u8(dst + 2 * BPS - 1)); - const uint16x8_t L3 = vmovl_u8(vld1_u8(dst + 3 * BPS - 1)); - const uint16x8_t L4 = vmovl_u8(vld1_u8(dst + 4 * BPS - 1)); - const uint16x8_t L5 = vmovl_u8(vld1_u8(dst + 5 * BPS - 1)); - const uint16x8_t L6 = vmovl_u8(vld1_u8(dst + 6 * BPS - 1)); - const uint16x8_t L7 = vmovl_u8(vld1_u8(dst + 7 * BPS - 1)); - const uint16x8_t s0 = vaddq_u16(L0, L1); - const uint16x8_t s1 = vaddq_u16(L2, L3); - const uint16x8_t s2 = vaddq_u16(L4, L5); - const uint16x8_t s3 = vaddq_u16(L6, L7); + const uint8x8_t L0 = vld1_u8(dst + 0 * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + 1 * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + 2 * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + 3 * BPS - 1); + const uint8x8_t L4 = vld1_u8(dst + 4 * BPS - 1); + const uint8x8_t L5 = vld1_u8(dst + 5 * BPS - 1); + const uint8x8_t L6 = vld1_u8(dst + 6 * BPS - 1); + const uint8x8_t L7 = vld1_u8(dst + 7 * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); + const uint16x8_t s2 = vaddl_u8(L4, L5); + const uint16x8_t s3 = vaddl_u8(L6, L7); const uint16x8_t s01 = vaddq_u16(s0, s1); const uint16x8_t s23 = vaddq_u16(s2, s3); sum_left = vaddq_u16(s01, s23); @@ -1512,29 +1511,34 @@ static WEBP_INLINE void DC16_NEON(uint8_t* dst, int do_top, int do_left) { if (do_top) { const uint8x16_t A = vld1q_u8(dst - BPS); // top row +#if defined(__aarch64__) + const uint16_t p3 = vaddlvq_u8(A); + sum_top = vdupq_n_u16(p3); +#else const uint16x8_t p0 = vpaddlq_u8(A); // cascading summation of the top const uint16x4_t p1 = vadd_u16(vget_low_u16(p0), vget_high_u16(p0)); const uint16x4_t p2 = vpadd_u16(p1, p1); const uint16x4_t p3 = vpadd_u16(p2, p2); sum_top = vcombine_u16(p3, p3); +#endif } if (do_left) { int i; sum_left = vdupq_n_u16(0); for (i = 0; i < 16; i += 8) { - const uint16x8_t L0 = vmovl_u8(vld1_u8(dst + (i + 0) * BPS - 1)); - const uint16x8_t L1 = vmovl_u8(vld1_u8(dst + (i + 1) * BPS - 1)); - const uint16x8_t L2 = vmovl_u8(vld1_u8(dst + (i + 2) * BPS - 1)); - const uint16x8_t L3 = vmovl_u8(vld1_u8(dst + (i + 3) * BPS - 1)); - const uint16x8_t L4 = vmovl_u8(vld1_u8(dst + (i + 4) * BPS - 1)); - const uint16x8_t L5 = vmovl_u8(vld1_u8(dst + (i + 5) * BPS - 1)); - const uint16x8_t L6 = vmovl_u8(vld1_u8(dst + (i + 6) * BPS - 1)); - const uint16x8_t L7 = vmovl_u8(vld1_u8(dst + (i + 7) * BPS - 1)); - const uint16x8_t s0 = vaddq_u16(L0, L1); - const uint16x8_t s1 = vaddq_u16(L2, L3); - const uint16x8_t s2 = vaddq_u16(L4, L5); - const uint16x8_t s3 = vaddq_u16(L6, L7); + const uint8x8_t L0 = vld1_u8(dst + (i + 0) * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + (i + 1) * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + (i + 2) * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + (i + 3) * BPS - 1); + const uint8x8_t L4 = vld1_u8(dst + (i + 4) * BPS - 1); + const uint8x8_t L5 = vld1_u8(dst + (i + 5) * BPS - 1); + const uint8x8_t L6 = vld1_u8(dst + (i + 6) * BPS - 1); + const uint8x8_t L7 = vld1_u8(dst + (i + 7) * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); + const uint16x8_t s2 = vaddl_u8(L4, L5); + const uint16x8_t s3 = vaddl_u8(L6, L7); const uint16x8_t s01 = vaddq_u16(s0, s1); const uint16x8_t s23 = vaddq_u16(s2, s3); const uint16x8_t sum = vaddq_u16(s01, s23); diff --git a/src/3rdparty/libwebp/src/dsp/dsp.h b/src/3rdparty/libwebp/src/dsp/dsp.h index 7c75b26..6df48cf 100644 --- a/src/3rdparty/libwebp/src/dsp/dsp.h +++ b/src/3rdparty/libwebp/src/dsp/dsp.h @@ -51,9 +51,7 @@ extern "C" { # define __has_builtin(x) 0 #endif -// for now, none of the optimizations below are available in emscripten -#if !defined(EMSCRIPTEN) - +#if !defined(HAVE_CONFIG_H) #if defined(_MSC_VER) && _MSC_VER > 1310 && \ (defined(_M_X64) || defined(_M_IX86)) && !defined(__clang__) #define WEBP_MSC_SSE2 // Visual C++ SSE2 targets @@ -63,6 +61,7 @@ extern "C" { (defined(_M_X64) || defined(_M_IX86)) && !defined(__clang__) #define WEBP_MSC_SSE41 // Visual C++ SSE4.1 targets #endif +#endif // WEBP_HAVE_* are used to indicate the presence of the instruction set in dsp // files without intrinsics, allowing the corresponding Init() to be called. @@ -76,6 +75,9 @@ extern "C" { #define WEBP_USE_SSE41 #endif +#undef WEBP_MSC_SSE41 +#undef WEBP_MSC_SSE2 + // The intrinsics currently cause compiler errors with arm-nacl-gcc and the // inline assembly would need to be modified for use with Native Client. #if (defined(__ARM_NEON__) || \ @@ -110,8 +112,6 @@ extern "C" { #define WEBP_USE_MSA #endif -#endif /* EMSCRIPTEN */ - #ifndef WEBP_DSP_OMIT_C_CODE #define WEBP_DSP_OMIT_C_CODE 1 #endif @@ -193,6 +193,12 @@ extern "C" { #endif #endif +// If 'ptr' is NULL, returns NULL. Otherwise returns 'ptr + off'. +// Prevents undefined behavior sanitizer nullptr-with-nonzero-offset warning. +#if !defined(WEBP_OFFSET_PTR) +#define WEBP_OFFSET_PTR(ptr, off) (((ptr) == NULL) ? NULL : ((ptr) + (off))) +#endif + // Regularize the definition of WEBP_SWAP_16BIT_CSP (backward compatibility) #if !defined(WEBP_SWAP_16BIT_CSP) #define WEBP_SWAP_16BIT_CSP 0 @@ -632,6 +638,8 @@ extern void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b, extern int (*WebPHasAlpha8b)(const uint8_t* src, int length); // This function returns true if src[4*i] contains a value different from 0xff. extern int (*WebPHasAlpha32b)(const uint8_t* src, int length); +// replaces transparent values in src[] by 'color'. +extern void (*WebPAlphaReplace)(uint32_t* src, int length, uint32_t color); // To be called first before using the above. void WebPInitAlphaProcessing(void); diff --git a/src/3rdparty/libwebp/src/dsp/lossless.c b/src/3rdparty/libwebp/src/dsp/lossless.c index aad5f43..46b220e 100644 --- a/src/3rdparty/libwebp/src/dsp/lossless.c +++ b/src/3rdparty/libwebp/src/dsp/lossless.c @@ -107,62 +107,62 @@ static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) { //------------------------------------------------------------------------------ // Predictors -static uint32_t Predictor0_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor0_C(uint32_t left, const uint32_t* const top) { (void)top; (void)left; return ARGB_BLACK; } -static uint32_t Predictor1_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor1_C(uint32_t left, const uint32_t* const top) { (void)top; return left; } -static uint32_t Predictor2_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor2_C(uint32_t left, const uint32_t* const top) { (void)left; return top[0]; } -static uint32_t Predictor3_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor3_C(uint32_t left, const uint32_t* const top) { (void)left; return top[1]; } -static uint32_t Predictor4_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor4_C(uint32_t left, const uint32_t* const top) { (void)left; return top[-1]; } -static uint32_t Predictor5_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor5_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average3(left, top[0], top[1]); return pred; } -static uint32_t Predictor6_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor6_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average2(left, top[-1]); return pred; } -static uint32_t Predictor7_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor7_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average2(left, top[0]); return pred; } -static uint32_t Predictor8_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor8_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average2(top[-1], top[0]); (void)left; return pred; } -static uint32_t Predictor9_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor9_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average2(top[0], top[1]); (void)left; return pred; } -static uint32_t Predictor10_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor10_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Average4(left, top[-1], top[0], top[1]); return pred; } -static uint32_t Predictor11_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor11_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = Select(top[0], left, top[-1]); return pred; } -static uint32_t Predictor12_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor12_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = ClampedAddSubtractFull(left, top[0], top[-1]); return pred; } -static uint32_t Predictor13_C(uint32_t left, const uint32_t* const top) { +uint32_t VP8LPredictor13_C(uint32_t left, const uint32_t* const top) { const uint32_t pred = ClampedAddSubtractHalf(left, top[0], top[-1]); return pred; } @@ -182,18 +182,18 @@ static void PredictorAdd1_C(const uint32_t* in, const uint32_t* upper, out[i] = left = VP8LAddPixels(in[i], left); } } -GENERATE_PREDICTOR_ADD(Predictor2_C, PredictorAdd2_C) -GENERATE_PREDICTOR_ADD(Predictor3_C, PredictorAdd3_C) -GENERATE_PREDICTOR_ADD(Predictor4_C, PredictorAdd4_C) -GENERATE_PREDICTOR_ADD(Predictor5_C, PredictorAdd5_C) -GENERATE_PREDICTOR_ADD(Predictor6_C, PredictorAdd6_C) -GENERATE_PREDICTOR_ADD(Predictor7_C, PredictorAdd7_C) -GENERATE_PREDICTOR_ADD(Predictor8_C, PredictorAdd8_C) -GENERATE_PREDICTOR_ADD(Predictor9_C, PredictorAdd9_C) -GENERATE_PREDICTOR_ADD(Predictor10_C, PredictorAdd10_C) -GENERATE_PREDICTOR_ADD(Predictor11_C, PredictorAdd11_C) -GENERATE_PREDICTOR_ADD(Predictor12_C, PredictorAdd12_C) -GENERATE_PREDICTOR_ADD(Predictor13_C, PredictorAdd13_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor2_C, PredictorAdd2_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor3_C, PredictorAdd3_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor4_C, PredictorAdd4_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor5_C, PredictorAdd5_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor6_C, PredictorAdd6_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor7_C, PredictorAdd7_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor8_C, PredictorAdd8_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor9_C, PredictorAdd9_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor10_C, PredictorAdd10_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor11_C, PredictorAdd11_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor12_C, PredictorAdd12_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor13_C, PredictorAdd13_C) //------------------------------------------------------------------------------ @@ -562,7 +562,6 @@ VP8LPredictorFunc VP8LPredictors[16]; // exposed plain-C implementations VP8LPredictorAddSubFunc VP8LPredictorsAdd_C[16]; -VP8LPredictorFunc VP8LPredictors_C[16]; VP8LTransformColorInverseFunc VP8LTransformColorInverse; @@ -600,8 +599,7 @@ extern void VP8LDspInitMSA(void); } while (0); WEBP_DSP_INIT_FUNC(VP8LDspInit) { - COPY_PREDICTOR_ARRAY(Predictor, VP8LPredictors) - COPY_PREDICTOR_ARRAY(Predictor, VP8LPredictors_C) + COPY_PREDICTOR_ARRAY(VP8LPredictor, VP8LPredictors) COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd) COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd_C) diff --git a/src/3rdparty/libwebp/src/dsp/lossless.h b/src/3rdparty/libwebp/src/dsp/lossless.h index f709cc8..ebd316d 100644 --- a/src/3rdparty/libwebp/src/dsp/lossless.h +++ b/src/3rdparty/libwebp/src/dsp/lossless.h @@ -30,7 +30,22 @@ extern "C" { typedef uint32_t (*VP8LPredictorFunc)(uint32_t left, const uint32_t* const top); extern VP8LPredictorFunc VP8LPredictors[16]; -extern VP8LPredictorFunc VP8LPredictors_C[16]; + +uint32_t VP8LPredictor0_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor1_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor2_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor3_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor4_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor5_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor6_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor7_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor8_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor9_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor10_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor11_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor12_C(uint32_t left, const uint32_t* const top); +uint32_t VP8LPredictor13_C(uint32_t left, const uint32_t* const top); + // These Add/Sub function expects upper[-1] and out[-1] to be readable. typedef void (*VP8LPredictorAddSubFunc)(const uint32_t* in, const uint32_t* upper, int num_pixels, diff --git a/src/3rdparty/libwebp/src/dsp/lossless_common.h b/src/3rdparty/libwebp/src/dsp/lossless_common.h index 9c2ebe6..96a106f 100644 --- a/src/3rdparty/libwebp/src/dsp/lossless_common.h +++ b/src/3rdparty/libwebp/src/dsp/lossless_common.h @@ -184,19 +184,6 @@ static void PREDICTOR_ADD(const uint32_t* in, const uint32_t* upper, \ } \ } -// It subtracts the prediction from the input pixel and stores the residual -// in the output pixel. -#define GENERATE_PREDICTOR_SUB(PREDICTOR, PREDICTOR_SUB) \ -static void PREDICTOR_SUB(const uint32_t* in, const uint32_t* upper, \ - int num_pixels, uint32_t* out) { \ - int x; \ - assert(upper != NULL); \ - for (x = 0; x < num_pixels; ++x) { \ - const uint32_t pred = (PREDICTOR)(in[x - 1], upper + x); \ - out[x] = VP8LSubPixels(in[x], pred); \ - } \ -} - #ifdef __cplusplus } // extern "C" #endif diff --git a/src/3rdparty/libwebp/src/dsp/lossless_enc.c b/src/3rdparty/libwebp/src/dsp/lossless_enc.c index 9c36055..a0c7ab9 100644 --- a/src/3rdparty/libwebp/src/dsp/lossless_enc.c +++ b/src/3rdparty/libwebp/src/dsp/lossless_enc.c @@ -702,140 +702,6 @@ void VP8LHistogramAdd(const VP8LHistogram* const a, //------------------------------------------------------------------------------ // Image transforms. -static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) { - return (((a0 ^ a1) & 0xfefefefeu) >> 1) + (a0 & a1); -} - -static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) { - return Average2(Average2(a0, a2), a1); -} - -static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1, - uint32_t a2, uint32_t a3) { - return Average2(Average2(a0, a1), Average2(a2, a3)); -} - -static WEBP_INLINE uint32_t Clip255(uint32_t a) { - if (a < 256) { - return a; - } - // return 0, when a is a negative integer. - // return 255, when a is positive. - return ~a >> 24; -} - -static WEBP_INLINE int AddSubtractComponentFull(int a, int b, int c) { - return Clip255(a + b - c); -} - -static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1, - uint32_t c2) { - const int a = AddSubtractComponentFull(c0 >> 24, c1 >> 24, c2 >> 24); - const int r = AddSubtractComponentFull((c0 >> 16) & 0xff, - (c1 >> 16) & 0xff, - (c2 >> 16) & 0xff); - const int g = AddSubtractComponentFull((c0 >> 8) & 0xff, - (c1 >> 8) & 0xff, - (c2 >> 8) & 0xff); - const int b = AddSubtractComponentFull(c0 & 0xff, c1 & 0xff, c2 & 0xff); - return ((uint32_t)a << 24) | (r << 16) | (g << 8) | b; -} - -static WEBP_INLINE int AddSubtractComponentHalf(int a, int b) { - return Clip255(a + (a - b) / 2); -} - -static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1, - uint32_t c2) { - const uint32_t ave = Average2(c0, c1); - const int a = AddSubtractComponentHalf(ave >> 24, c2 >> 24); - const int r = AddSubtractComponentHalf((ave >> 16) & 0xff, (c2 >> 16) & 0xff); - const int g = AddSubtractComponentHalf((ave >> 8) & 0xff, (c2 >> 8) & 0xff); - const int b = AddSubtractComponentHalf((ave >> 0) & 0xff, (c2 >> 0) & 0xff); - return ((uint32_t)a << 24) | (r << 16) | (g << 8) | b; -} - -// gcc-4.9 on ARM generates incorrect code in Select() when Sub3() is inlined. -#if defined(__arm__) && \ - (LOCAL_GCC_VERSION == 0x409 || LOCAL_GCC_VERSION == 0x408) -# define LOCAL_INLINE __attribute__ ((noinline)) -#else -# define LOCAL_INLINE WEBP_INLINE -#endif - -static LOCAL_INLINE int Sub3(int a, int b, int c) { - const int pb = b - c; - const int pa = a - c; - return abs(pb) - abs(pa); -} - -#undef LOCAL_INLINE - -static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) { - const int pa_minus_pb = - Sub3((a >> 24) , (b >> 24) , (c >> 24) ) + - Sub3((a >> 16) & 0xff, (b >> 16) & 0xff, (c >> 16) & 0xff) + - Sub3((a >> 8) & 0xff, (b >> 8) & 0xff, (c >> 8) & 0xff) + - Sub3((a ) & 0xff, (b ) & 0xff, (c ) & 0xff); - return (pa_minus_pb <= 0) ? a : b; -} - -//------------------------------------------------------------------------------ -// Predictors - -static uint32_t Predictor2(uint32_t left, const uint32_t* const top) { - (void)left; - return top[0]; -} -static uint32_t Predictor3(uint32_t left, const uint32_t* const top) { - (void)left; - return top[1]; -} -static uint32_t Predictor4(uint32_t left, const uint32_t* const top) { - (void)left; - return top[-1]; -} -static uint32_t Predictor5(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average3(left, top[0], top[1]); - return pred; -} -static uint32_t Predictor6(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average2(left, top[-1]); - return pred; -} -static uint32_t Predictor7(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average2(left, top[0]); - return pred; -} -static uint32_t Predictor8(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average2(top[-1], top[0]); - (void)left; - return pred; -} -static uint32_t Predictor9(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average2(top[0], top[1]); - (void)left; - return pred; -} -static uint32_t Predictor10(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Average4(left, top[-1], top[0], top[1]); - return pred; -} -static uint32_t Predictor11(uint32_t left, const uint32_t* const top) { - const uint32_t pred = Select(top[0], left, top[-1]); - return pred; -} -static uint32_t Predictor12(uint32_t left, const uint32_t* const top) { - const uint32_t pred = ClampedAddSubtractFull(left, top[0], top[-1]); - return pred; -} -static uint32_t Predictor13(uint32_t left, const uint32_t* const top) { - const uint32_t pred = ClampedAddSubtractHalf(left, top[0], top[-1]); - return pred; -} - -//------------------------------------------------------------------------------ - static void PredictorSub0_C(const uint32_t* in, const uint32_t* upper, int num_pixels, uint32_t* out) { int i; @@ -850,18 +716,33 @@ static void PredictorSub1_C(const uint32_t* in, const uint32_t* upper, (void)upper; } -GENERATE_PREDICTOR_SUB(Predictor2, PredictorSub2_C) -GENERATE_PREDICTOR_SUB(Predictor3, PredictorSub3_C) -GENERATE_PREDICTOR_SUB(Predictor4, PredictorSub4_C) -GENERATE_PREDICTOR_SUB(Predictor5, PredictorSub5_C) -GENERATE_PREDICTOR_SUB(Predictor6, PredictorSub6_C) -GENERATE_PREDICTOR_SUB(Predictor7, PredictorSub7_C) -GENERATE_PREDICTOR_SUB(Predictor8, PredictorSub8_C) -GENERATE_PREDICTOR_SUB(Predictor9, PredictorSub9_C) -GENERATE_PREDICTOR_SUB(Predictor10, PredictorSub10_C) -GENERATE_PREDICTOR_SUB(Predictor11, PredictorSub11_C) -GENERATE_PREDICTOR_SUB(Predictor12, PredictorSub12_C) -GENERATE_PREDICTOR_SUB(Predictor13, PredictorSub13_C) +// It subtracts the prediction from the input pixel and stores the residual +// in the output pixel. +#define GENERATE_PREDICTOR_SUB(PREDICTOR_I) \ +static void PredictorSub##PREDICTOR_I##_C(const uint32_t* in, \ + const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int x; \ + assert(upper != NULL); \ + for (x = 0; x < num_pixels; ++x) { \ + const uint32_t pred = \ + VP8LPredictor##PREDICTOR_I##_C(in[x - 1], upper + x); \ + out[x] = VP8LSubPixels(in[x], pred); \ + } \ +} + +GENERATE_PREDICTOR_SUB(2) +GENERATE_PREDICTOR_SUB(3) +GENERATE_PREDICTOR_SUB(4) +GENERATE_PREDICTOR_SUB(5) +GENERATE_PREDICTOR_SUB(6) +GENERATE_PREDICTOR_SUB(7) +GENERATE_PREDICTOR_SUB(8) +GENERATE_PREDICTOR_SUB(9) +GENERATE_PREDICTOR_SUB(10) +GENERATE_PREDICTOR_SUB(11) +GENERATE_PREDICTOR_SUB(12) +GENERATE_PREDICTOR_SUB(13) //------------------------------------------------------------------------------ diff --git a/src/3rdparty/libwebp/src/dsp/lossless_enc_sse2.c b/src/3rdparty/libwebp/src/dsp/lossless_enc_sse2.c index e676f6f..90c2637 100644 --- a/src/3rdparty/libwebp/src/dsp/lossless_enc_sse2.c +++ b/src/3rdparty/libwebp/src/dsp/lossless_enc_sse2.c @@ -249,6 +249,7 @@ static void AddVectorEq_SSE2(const uint32_t* a, uint32_t* out, int size) { } \ } while (0) +#if !(defined(__i386__) || defined(_M_IX86)) static float CombinedShannonEntropy_SSE2(const int X[256], const int Y[256]) { int i; double retval = 0.; @@ -300,6 +301,8 @@ static float CombinedShannonEntropy_SSE2(const int X[256], const int Y[256]) { retval += VP8LFastSLog2(sumX) + VP8LFastSLog2(sumXY); return (float)retval; } +#endif // !(defined(__i386__) || defined(_M_IX86)) + #undef ANALYZE_X_OR_Y #undef ANALYZE_XY @@ -460,20 +463,22 @@ static void PredictorSub0_SSE2(const uint32_t* in, const uint32_t* upper, (void)upper; } -#define GENERATE_PREDICTOR_1(X, IN) \ -static void PredictorSub##X##_SSE2(const uint32_t* in, const uint32_t* upper, \ - int num_pixels, uint32_t* out) { \ - int i; \ - for (i = 0; i + 4 <= num_pixels; i += 4) { \ - const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ - const __m128i pred = _mm_loadu_si128((const __m128i*)&(IN)); \ - const __m128i res = _mm_sub_epi8(src, pred); \ - _mm_storeu_si128((__m128i*)&out[i], res); \ - } \ - if (i != num_pixels) { \ - VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ - } \ -} +#define GENERATE_PREDICTOR_1(X, IN) \ + static void PredictorSub##X##_SSE2(const uint32_t* const in, \ + const uint32_t* const upper, \ + int num_pixels, uint32_t* const out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ + const __m128i pred = _mm_loadu_si128((const __m128i*)&(IN)); \ + const __m128i res = _mm_sub_epi8(src, pred); \ + _mm_storeu_si128((__m128i*)&out[i], res); \ + } \ + if (i != num_pixels) { \ + VP8LPredictorsSub_C[(X)](in + i, WEBP_OFFSET_PTR(upper, i), \ + num_pixels - i, out + i); \ + } \ + } GENERATE_PREDICTOR_1(1, in[i - 1]) // Predictor1: L GENERATE_PREDICTOR_1(2, upper[i]) // Predictor2: T @@ -657,7 +662,12 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitSSE2(void) { VP8LCollectColorRedTransforms = CollectColorRedTransforms_SSE2; VP8LAddVector = AddVector_SSE2; VP8LAddVectorEq = AddVectorEq_SSE2; + // TODO(https://crbug.com/webp/499): this function produces different results + // from the C code due to use of double/float resulting in output differences + // when compared to -noasm. +#if !(defined(__i386__) || defined(_M_IX86)) VP8LCombinedShannonEntropy = CombinedShannonEntropy_SSE2; +#endif VP8LVectorMismatch = VectorMismatch_SSE2; VP8LBundleColorMap = BundleColorMap_SSE2; diff --git a/src/3rdparty/libwebp/src/enc/analysis_enc.c b/src/3rdparty/libwebp/src/enc/analysis_enc.c index 687757a..ebb7842 100644 --- a/src/3rdparty/libwebp/src/enc/analysis_enc.c +++ b/src/3rdparty/libwebp/src/enc/analysis_enc.c @@ -126,16 +126,6 @@ static void InitHistogram(VP8Histogram* const histo) { histo->last_non_zero = 1; } -static void MergeHistograms(const VP8Histogram* const in, - VP8Histogram* const out) { - if (in->max_value > out->max_value) { - out->max_value = in->max_value; - } - if (in->last_non_zero > out->last_non_zero) { - out->last_non_zero = in->last_non_zero; - } -} - //------------------------------------------------------------------------------ // Simplified k-Means, to assign Nb segments based on alpha-histogram @@ -285,49 +275,6 @@ static int FastMBAnalyze(VP8EncIterator* const it) { return 0; } -static int MBAnalyzeBestIntra4Mode(VP8EncIterator* const it, - int best_alpha) { - uint8_t modes[16]; - const int max_mode = MAX_INTRA4_MODE; - int i4_alpha; - VP8Histogram total_histo; - int cur_histo = 0; - InitHistogram(&total_histo); - - VP8IteratorStartI4(it); - do { - int mode; - int best_mode_alpha = DEFAULT_ALPHA; - VP8Histogram histos[2]; - const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC + VP8Scan[it->i4_]; - - VP8MakeIntra4Preds(it); - for (mode = 0; mode < max_mode; ++mode) { - int alpha; - - InitHistogram(&histos[cur_histo]); - VP8CollectHistogram(src, it->yuv_p_ + VP8I4ModeOffsets[mode], - 0, 1, &histos[cur_histo]); - alpha = GetAlpha(&histos[cur_histo]); - if (IS_BETTER_ALPHA(alpha, best_mode_alpha)) { - best_mode_alpha = alpha; - modes[it->i4_] = mode; - cur_histo ^= 1; // keep track of best histo so far. - } - } - // accumulate best histogram - MergeHistograms(&histos[cur_histo ^ 1], &total_histo); - // Note: we reuse the original samples for predictors - } while (VP8IteratorRotateI4(it, it->yuv_in_ + Y_OFF_ENC)); - - i4_alpha = GetAlpha(&total_histo); - if (IS_BETTER_ALPHA(i4_alpha, best_alpha)) { - VP8SetIntra4Mode(it, modes); - best_alpha = i4_alpha; - } - return best_alpha; -} - static int MBAnalyzeBestUVMode(VP8EncIterator* const it) { int best_alpha = DEFAULT_ALPHA; int smallest_alpha = 0; @@ -371,13 +318,6 @@ static void MBAnalyze(VP8EncIterator* const it, best_alpha = FastMBAnalyze(it); } else { best_alpha = MBAnalyzeBestIntra16Mode(it); - if (enc->method_ >= 5) { - // We go and make a fast decision for intra4/intra16. - // It's usually not a good and definitive pick, but helps seeding the - // stats about level bit-cost. - // TODO(skal): improve criterion. - best_alpha = MBAnalyzeBestIntra4Mode(it, best_alpha); - } } best_uv_alpha = MBAnalyzeBestUVMode(it); diff --git a/src/3rdparty/libwebp/src/enc/backward_references_enc.c b/src/3rdparty/libwebp/src/enc/backward_references_enc.c index d445b40..519b36a 100644 --- a/src/3rdparty/libwebp/src/enc/backward_references_enc.c +++ b/src/3rdparty/libwebp/src/enc/backward_references_enc.c @@ -11,13 +11,14 @@ // #include +#include #include -#include "src/enc/backward_references_enc.h" -#include "src/enc/histogram_enc.h" +#include "src/dsp/dsp.h" #include "src/dsp/lossless.h" #include "src/dsp/lossless_common.h" -#include "src/dsp/dsp.h" +#include "src/enc/backward_references_enc.h" +#include "src/enc/histogram_enc.h" #include "src/utils/color_cache_utils.h" #include "src/utils/utils.h" @@ -103,6 +104,20 @@ void VP8LBackwardRefsClear(VP8LBackwardRefs* const refs) { } } +// Swaps the content of two VP8LBackwardRefs. +static void BackwardRefsSwap(VP8LBackwardRefs* const refs1, + VP8LBackwardRefs* const refs2) { + const int point_to_refs1 = + (refs1->tail_ != NULL && refs1->tail_ == &refs1->refs_); + const int point_to_refs2 = + (refs2->tail_ != NULL && refs2->tail_ == &refs2->refs_); + const VP8LBackwardRefs tmp = *refs1; + *refs1 = *refs2; + *refs2 = tmp; + if (point_to_refs2) refs1->tail_ = &refs1->refs_; + if (point_to_refs1) refs2->tail_ = &refs2->refs_; +} + void VP8LBackwardRefsInit(VP8LBackwardRefs* const refs, int block_size) { assert(refs != NULL); memset(refs, 0, sizeof(*refs)); @@ -154,6 +169,22 @@ static PixOrCopyBlock* BackwardRefsNewBlock(VP8LBackwardRefs* const refs) { return b; } +// Return 1 on success, 0 on error. +static int BackwardRefsClone(const VP8LBackwardRefs* const from, + VP8LBackwardRefs* const to) { + const PixOrCopyBlock* block_from = from->refs_; + VP8LClearBackwardRefs(to); + while (block_from != NULL) { + PixOrCopyBlock* const block_to = BackwardRefsNewBlock(to); + if (block_to == NULL) return 0; + memcpy(block_to->start_, block_from->start_, + block_from->size_ * sizeof(PixOrCopy)); + block_to->size_ = block_from->size_; + block_from = block_from->next_; + } + return 1; +} + extern void VP8LBackwardRefsCursorAdd(VP8LBackwardRefs* const refs, const PixOrCopy v); void VP8LBackwardRefsCursorAdd(VP8LBackwardRefs* const refs, @@ -753,12 +784,18 @@ static int CalculateBestCacheSize(const uint32_t* argb, int quality, } } } else { + int code, extra_bits, extra_bits_value; // We should compute the contribution of the (distance,length) // histograms but those are the same independently from the cache size. // As those constant contributions are in the end added to the other - // histogram contributions, we can safely ignore them. + // histogram contributions, we can ignore them, except for the length + // prefix that is part of the literal_ histogram. int len = PixOrCopyLength(v); uint32_t argb_prev = *argb ^ 0xffffffffu; + VP8LPrefixEncode(len, &code, &extra_bits, &extra_bits_value); + for (i = 0; i <= cache_bits_max; ++i) { + ++histos[i]->literal_[NUM_LITERAL_CODES + code]; + } // Update the color caches. do { if (*argb != argb_prev) { @@ -842,16 +879,21 @@ extern int VP8LBackwardReferencesTraceBackwards( int xsize, int ysize, const uint32_t* const argb, int cache_bits, const VP8LHashChain* const hash_chain, const VP8LBackwardRefs* const refs_src, VP8LBackwardRefs* const refs_dst); -static VP8LBackwardRefs* GetBackwardReferences( - int width, int height, const uint32_t* const argb, int quality, - int lz77_types_to_try, int* const cache_bits, - const VP8LHashChain* const hash_chain, VP8LBackwardRefs* best, - VP8LBackwardRefs* worst) { - const int cache_bits_initial = *cache_bits; - double bit_cost_best = -1; +static int GetBackwardReferences(int width, int height, + const uint32_t* const argb, int quality, + int lz77_types_to_try, int cache_bits_max, + int do_no_cache, + const VP8LHashChain* const hash_chain, + VP8LBackwardRefs* const refs, + int* const cache_bits_best) { VP8LHistogram* histo = NULL; - int lz77_type, lz77_type_best = 0; + int i, lz77_type; + // Index 0 is for a color cache, index 1 for no cache (if needed). + int lz77_types_best[2] = {0, 0}; + double bit_costs_best[2] = {DBL_MAX, DBL_MAX}; VP8LHashChain hash_chain_box; + VP8LBackwardRefs* const refs_tmp = &refs[do_no_cache ? 2 : 1]; + int status = 0; memset(&hash_chain_box, 0, sizeof(hash_chain_box)); histo = VP8LAllocateHistogram(MAX_COLOR_CACHE_BITS); @@ -860,86 +902,129 @@ static VP8LBackwardRefs* GetBackwardReferences( for (lz77_type = 1; lz77_types_to_try; lz77_types_to_try &= ~lz77_type, lz77_type <<= 1) { int res = 0; - double bit_cost; - int cache_bits_tmp = cache_bits_initial; + double bit_cost = 0.; if ((lz77_types_to_try & lz77_type) == 0) continue; switch (lz77_type) { case kLZ77RLE: - res = BackwardReferencesRle(width, height, argb, 0, worst); + res = BackwardReferencesRle(width, height, argb, 0, refs_tmp); break; case kLZ77Standard: // Compute LZ77 with no cache (0 bits), as the ideal LZ77 with a color // cache is not that different in practice. - res = BackwardReferencesLz77(width, height, argb, 0, hash_chain, worst); + res = BackwardReferencesLz77(width, height, argb, 0, hash_chain, + refs_tmp); break; case kLZ77Box: if (!VP8LHashChainInit(&hash_chain_box, width * height)) goto Error; res = BackwardReferencesLz77Box(width, height, argb, 0, hash_chain, - &hash_chain_box, worst); + &hash_chain_box, refs_tmp); break; default: assert(0); } if (!res) goto Error; - // Next, try with a color cache and update the references. - if (!CalculateBestCacheSize(argb, quality, worst, &cache_bits_tmp)) { - goto Error; - } - if (cache_bits_tmp > 0) { - if (!BackwardRefsWithLocalCache(argb, cache_bits_tmp, worst)) { - goto Error; + // Start with the no color cache case. + for (i = 1; i >= 0; --i) { + int cache_bits = (i == 1) ? 0 : cache_bits_max; + + if (i == 1 && !do_no_cache) continue; + + if (i == 0) { + // Try with a color cache. + if (!CalculateBestCacheSize(argb, quality, refs_tmp, &cache_bits)) { + goto Error; + } + if (cache_bits > 0) { + if (!BackwardRefsWithLocalCache(argb, cache_bits, refs_tmp)) { + goto Error; + } + } } - } - // Keep the best backward references. - VP8LHistogramCreate(histo, worst, cache_bits_tmp); - bit_cost = VP8LHistogramEstimateBits(histo); - if (lz77_type_best == 0 || bit_cost < bit_cost_best) { - VP8LBackwardRefs* const tmp = worst; - worst = best; - best = tmp; - bit_cost_best = bit_cost; - *cache_bits = cache_bits_tmp; - lz77_type_best = lz77_type; + if (i == 0 && do_no_cache && cache_bits == 0) { + // No need to re-compute bit_cost as it was computed at i == 1. + } else { + VP8LHistogramCreate(histo, refs_tmp, cache_bits); + bit_cost = VP8LHistogramEstimateBits(histo); + } + + if (bit_cost < bit_costs_best[i]) { + if (i == 1) { + // Do not swap as the full cache analysis would have the wrong + // VP8LBackwardRefs to start with. + if (!BackwardRefsClone(refs_tmp, &refs[1])) goto Error; + } else { + BackwardRefsSwap(refs_tmp, &refs[0]); + } + bit_costs_best[i] = bit_cost; + lz77_types_best[i] = lz77_type; + if (i == 0) *cache_bits_best = cache_bits; + } } } - assert(lz77_type_best > 0); + assert(lz77_types_best[0] > 0); + assert(!do_no_cache || lz77_types_best[1] > 0); // Improve on simple LZ77 but only for high quality (TraceBackwards is // costly). - if ((lz77_type_best == kLZ77Standard || lz77_type_best == kLZ77Box) && - quality >= 25) { - const VP8LHashChain* const hash_chain_tmp = - (lz77_type_best == kLZ77Standard) ? hash_chain : &hash_chain_box; - if (VP8LBackwardReferencesTraceBackwards(width, height, argb, *cache_bits, - hash_chain_tmp, best, worst)) { - double bit_cost_trace; - VP8LHistogramCreate(histo, worst, *cache_bits); - bit_cost_trace = VP8LHistogramEstimateBits(histo); - if (bit_cost_trace < bit_cost_best) best = worst; + for (i = 1; i >= 0; --i) { + if (i == 1 && !do_no_cache) continue; + if ((lz77_types_best[i] == kLZ77Standard || + lz77_types_best[i] == kLZ77Box) && + quality >= 25) { + const VP8LHashChain* const hash_chain_tmp = + (lz77_types_best[i] == kLZ77Standard) ? hash_chain : &hash_chain_box; + const int cache_bits = (i == 1) ? 0 : *cache_bits_best; + if (VP8LBackwardReferencesTraceBackwards(width, height, argb, cache_bits, + hash_chain_tmp, &refs[i], + refs_tmp)) { + double bit_cost_trace; + VP8LHistogramCreate(histo, refs_tmp, cache_bits); + bit_cost_trace = VP8LHistogramEstimateBits(histo); + if (bit_cost_trace < bit_costs_best[i]) { + BackwardRefsSwap(refs_tmp, &refs[i]); + } + } } - } - BackwardReferences2DLocality(width, best); + BackwardReferences2DLocality(width, &refs[i]); + + if (i == 1 && lz77_types_best[0] == lz77_types_best[1] && + *cache_bits_best == 0) { + // If the best cache size is 0 and we have the same best LZ77, just copy + // the data over and stop here. + if (!BackwardRefsClone(&refs[1], &refs[0])) goto Error; + break; + } + } + status = 1; Error: VP8LHashChainClear(&hash_chain_box); VP8LFreeHistogram(histo); - return best; + return status; } -VP8LBackwardRefs* VP8LGetBackwardReferences( +WebPEncodingError VP8LGetBackwardReferences( int width, int height, const uint32_t* const argb, int quality, - int low_effort, int lz77_types_to_try, int* const cache_bits, - const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_tmp1, - VP8LBackwardRefs* const refs_tmp2) { + int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache, + const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs, + int* const cache_bits_best) { if (low_effort) { - return GetBackwardReferencesLowEffort(width, height, argb, cache_bits, - hash_chain, refs_tmp1); + VP8LBackwardRefs* refs_best; + *cache_bits_best = cache_bits_max; + refs_best = GetBackwardReferencesLowEffort( + width, height, argb, cache_bits_best, hash_chain, refs); + if (refs_best == NULL) return VP8_ENC_ERROR_OUT_OF_MEMORY; + // Set it in first position. + BackwardRefsSwap(refs_best, &refs[0]); } else { - return GetBackwardReferences(width, height, argb, quality, - lz77_types_to_try, cache_bits, hash_chain, - refs_tmp1, refs_tmp2); + if (!GetBackwardReferences(width, height, argb, quality, lz77_types_to_try, + cache_bits_max, do_no_cache, hash_chain, refs, + cache_bits_best)) { + return VP8_ENC_ERROR_OUT_OF_MEMORY; + } } + return VP8_ENC_OK; } diff --git a/src/3rdparty/libwebp/src/enc/backward_references_enc.h b/src/3rdparty/libwebp/src/enc/backward_references_enc.h index 103ddfd..4c0267b 100644 --- a/src/3rdparty/libwebp/src/enc/backward_references_enc.h +++ b/src/3rdparty/libwebp/src/enc/backward_references_enc.h @@ -16,6 +16,7 @@ #include #include #include "src/webp/types.h" +#include "src/webp/encode.h" #include "src/webp/format_constants.h" #ifdef __cplusplus @@ -218,14 +219,19 @@ enum VP8LLZ77Type { // Evaluates best possible backward references for specified quality. // The input cache_bits to 'VP8LGetBackwardReferences' sets the maximum cache // bits to use (passing 0 implies disabling the local color cache). -// The optimal cache bits is evaluated and set for the *cache_bits parameter. -// The return value is the pointer to the best of the two backward refs viz, -// refs[0] or refs[1]. -VP8LBackwardRefs* VP8LGetBackwardReferences( +// The optimal cache bits is evaluated and set for the *cache_bits_best +// parameter with the matching refs_best. +// If do_no_cache == 0, refs is an array of 2 values and the best +// VP8LBackwardRefs is put in the first element. +// If do_no_cache != 0, refs is an array of 3 values and the best +// VP8LBackwardRefs is put in the first element, the best value with no-cache in +// the second element. +// In both cases, the last element is used as temporary internally. +WebPEncodingError VP8LGetBackwardReferences( int width, int height, const uint32_t* const argb, int quality, - int low_effort, int lz77_types_to_try, int* const cache_bits, - const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_tmp1, - VP8LBackwardRefs* const refs_tmp2); + int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache, + const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs, + int* const cache_bits_best); #ifdef __cplusplus } diff --git a/src/3rdparty/libwebp/src/enc/config_enc.c b/src/3rdparty/libwebp/src/enc/config_enc.c index 9d48289..3518b41 100644 --- a/src/3rdparty/libwebp/src/enc/config_enc.c +++ b/src/3rdparty/libwebp/src/enc/config_enc.c @@ -39,6 +39,8 @@ int WebPConfigInitInternal(WebPConfig* config, config->partitions = 0; config->segments = 4; config->pass = 1; + config->qmin = 0; + config->qmax = 100; config->show_compressed = 0; config->preprocessing = 0; config->autofilter = 0; @@ -106,6 +108,9 @@ int WebPValidateConfig(const WebPConfig* config) { if (config->filter_type < 0 || config->filter_type > 1) return 0; if (config->autofilter < 0 || config->autofilter > 1) return 0; if (config->pass < 1 || config->pass > 10) return 0; + if (config->qmin < 0 || config->qmax > 100 || config->qmin > config->qmax) { + return 0; + } if (config->show_compressed < 0 || config->show_compressed > 1) return 0; if (config->preprocessing < 0 || config->preprocessing > 7) return 0; if (config->partitions < 0 || config->partitions > 3) return 0; diff --git a/src/3rdparty/libwebp/src/enc/frame_enc.c b/src/3rdparty/libwebp/src/enc/frame_enc.c index 1aec376..af538d8 100644 --- a/src/3rdparty/libwebp/src/enc/frame_enc.c +++ b/src/3rdparty/libwebp/src/enc/frame_enc.c @@ -31,10 +31,15 @@ // we allow 2k of extra head-room in PARTITION0 limit. #define PARTITION0_SIZE_LIMIT ((VP8_MAX_PARTITION0_SIZE - 2048ULL) << 11) +static float Clamp(float v, float min, float max) { + return (v < min) ? min : (v > max) ? max : v; +} + typedef struct { // struct for organizing convergence in either size or PSNR int is_first; float dq; float q, last_q; + float qmin, qmax; double value, last_value; // PSNR or size double target; int do_size_search; @@ -47,7 +52,9 @@ static int InitPassStats(const VP8Encoder* const enc, PassStats* const s) { s->is_first = 1; s->dq = 10.f; - s->q = s->last_q = enc->config_->quality; + s->qmin = 1.f * enc->config_->qmin; + s->qmax = 1.f * enc->config_->qmax; + s->q = s->last_q = Clamp(enc->config_->quality, s->qmin, s->qmax); s->target = do_size_search ? (double)target_size : (target_PSNR > 0.) ? target_PSNR : 40.; // default, just in case @@ -56,10 +63,6 @@ static int InitPassStats(const VP8Encoder* const enc, PassStats* const s) { return do_size_search; } -static float Clamp(float v, float min, float max) { - return (v < min) ? min : (v > max) ? max : v; -} - static float ComputeNextQ(PassStats* const s) { float dq; if (s->is_first) { @@ -75,7 +78,7 @@ static float ComputeNextQ(PassStats* const s) { s->dq = Clamp(dq, -30.f, 30.f); s->last_q = s->q; s->last_value = s->value; - s->q = Clamp(s->q + s->dq, 0.f, 100.f); + s->q = Clamp(s->q + s->dq, s->qmin, s->qmax); return s->q; } @@ -848,9 +851,10 @@ int VP8EncTokenLoop(VP8Encoder* const enc) { } #if (DEBUG_SEARCH > 0) - printf("#%2d metric:%.1lf -> %.1lf last_q=%.2lf q=%.2lf dq=%.2lf\n", + printf("#%2d metric:%.1lf -> %.1lf last_q=%.2lf q=%.2lf dq=%.2lf " + " range:[%.1f, %.1f]\n", num_pass_left, stats.last_value, stats.value, - stats.last_q, stats.q, stats.dq); + stats.last_q, stats.q, stats.dq, stats.qmin, stats.qmax); #endif if (enc->max_i4_header_bits_ > 0 && size_p0 > PARTITION0_SIZE_LIMIT) { ++num_pass_left; diff --git a/src/3rdparty/libwebp/src/enc/histogram_enc.c b/src/3rdparty/libwebp/src/enc/histogram_enc.c index a4e6bf3..edc6e4f 100644 --- a/src/3rdparty/libwebp/src/enc/histogram_enc.c +++ b/src/3rdparty/libwebp/src/enc/histogram_enc.c @@ -208,6 +208,7 @@ void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo, } else if (PixOrCopyIsCacheIdx(v)) { const int literal_ix = NUM_LITERAL_CODES + NUM_LENGTH_CODES + PixOrCopyCacheIdx(v); + assert(histo->palette_code_bits_ != 0); ++histo->literal_[literal_ix]; } else { int code, extra_bits; diff --git a/src/3rdparty/libwebp/src/enc/picture_csp_enc.c b/src/3rdparty/libwebp/src/enc/picture_csp_enc.c index 718e014..35eede9 100644 --- a/src/3rdparty/libwebp/src/enc/picture_csp_enc.c +++ b/src/3rdparty/libwebp/src/enc/picture_csp_enc.c @@ -61,16 +61,14 @@ static int CheckNonOpaque(const uint8_t* alpha, int width, int height, // Checking for the presence of non-opaque alpha. int WebPPictureHasTransparency(const WebPPicture* picture) { if (picture == NULL) return 0; - if (!picture->use_argb) { - return CheckNonOpaque(picture->a, picture->width, picture->height, - 1, picture->a_stride); - } else { + if (picture->use_argb) { const int alpha_offset = ALPHA_OFFSET; return CheckNonOpaque((const uint8_t*)picture->argb + alpha_offset, picture->width, picture->height, 4, picture->argb_stride * sizeof(*picture->argb)); } - return 0; + return CheckNonOpaque(picture->a, picture->width, picture->height, + 1, picture->a_stride); } //------------------------------------------------------------------------------ @@ -90,8 +88,9 @@ int WebPPictureHasTransparency(const WebPPicture* picture) { static int kLinearToGammaTab[kGammaTabSize + 1]; static uint16_t kGammaToLinearTab[256]; static volatile int kGammaTablesOk = 0; +static void InitGammaTables(void); -static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTables(void) { +WEBP_DSP_INIT_FUNC(InitGammaTables) { if (!kGammaTablesOk) { int v; const double scale = (double)(1 << kGammaTabFix) / kGammaScale; @@ -181,8 +180,9 @@ static uint32_t kLinearToGammaTabS[kGammaTabSize + 2]; #define GAMMA_TO_LINEAR_BITS 14 static uint32_t kGammaToLinearTabS[MAX_Y_T + 1]; // size scales with Y_FIX static volatile int kGammaTablesSOk = 0; +static void InitGammaTablesS(void); -static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTablesS(void) { +WEBP_DSP_INIT_FUNC(InitGammaTablesS) { assert(2 * GAMMA_TO_LINEAR_BITS < 32); // we use uint32_t intermediate values if (!kGammaTablesSOk) { int v; diff --git a/src/3rdparty/libwebp/src/enc/picture_tools_enc.c b/src/3rdparty/libwebp/src/enc/picture_tools_enc.c index d0e8a49..38cb015 100644 --- a/src/3rdparty/libwebp/src/enc/picture_tools_enc.c +++ b/src/3rdparty/libwebp/src/enc/picture_tools_enc.c @@ -83,6 +83,19 @@ static int SmoothenBlock(const uint8_t* a_ptr, int a_stride, uint8_t* y_ptr, return (count == 0); } +void WebPReplaceTransparentPixels(WebPPicture* const pic, uint32_t color) { + if (pic != NULL && pic->use_argb) { + int y = pic->height; + uint32_t* argb = pic->argb; + color &= 0xffffffu; // force alpha=0 + WebPInitAlphaProcessing(); + while (y-- > 0) { + WebPAlphaReplace(argb, pic->width, color); + argb += pic->argb_stride; + } + } +} + void WebPCleanupTransparentArea(WebPPicture* pic) { int x, y, w, h; if (pic == NULL) return; @@ -165,24 +178,6 @@ void WebPCleanupTransparentArea(WebPPicture* pic) { #undef SIZE #undef SIZE2 -void WebPCleanupTransparentAreaLossless(WebPPicture* const pic) { - int x, y, w, h; - uint32_t* argb; - assert(pic != NULL && pic->use_argb); - w = pic->width; - h = pic->height; - argb = pic->argb; - - for (y = 0; y < h; ++y) { - for (x = 0; x < w; ++x) { - if ((argb[x] & 0xff000000) == 0) { - argb[x] = 0x00000000; - } - } - argb += pic->argb_stride; - } -} - //------------------------------------------------------------------------------ // Blend color and remove transparency info diff --git a/src/3rdparty/libwebp/src/enc/vp8i_enc.h b/src/3rdparty/libwebp/src/enc/vp8i_enc.h index fedcaee..0e35562 100644 --- a/src/3rdparty/libwebp/src/enc/vp8i_enc.h +++ b/src/3rdparty/libwebp/src/enc/vp8i_enc.h @@ -31,7 +31,7 @@ extern "C" { // version numbers #define ENC_MAJ_VERSION 1 -#define ENC_MIN_VERSION 1 +#define ENC_MIN_VERSION 2 #define ENC_REV_VERSION 0 enum { MAX_LF_LEVELS = 64, // Maximum loop filter level @@ -505,9 +505,9 @@ int WebPPictureAllocARGB(WebPPicture* const picture, int width, int height); // Returns false in case of error (invalid param, out-of-memory). int WebPPictureAllocYUVA(WebPPicture* const picture, int width, int height); -// Clean-up the RGB samples under fully transparent area, to help lossless -// compressibility (no guarantee, though). Assumes that pic->use_argb is true. -void WebPCleanupTransparentAreaLossless(WebPPicture* const pic); +// Replace samples that are fully transparent by 'color' to help compressibility +// (no guarantee, though). Assumes pic->use_argb is true. +void WebPReplaceTransparentPixels(WebPPicture* const pic, uint32_t color); //------------------------------------------------------------------------------ diff --git a/src/3rdparty/libwebp/src/enc/vp8l_enc.c b/src/3rdparty/libwebp/src/enc/vp8l_enc.c index 2efd403..0b44ebe 100644 --- a/src/3rdparty/libwebp/src/enc/vp8l_enc.c +++ b/src/3rdparty/libwebp/src/enc/vp8l_enc.c @@ -144,7 +144,8 @@ typedef enum { kSubGreen = 2, kSpatialSubGreen = 3, kPalette = 4, - kNumEntropyIx = 5 + kPaletteAndSpatial = 5, + kNumEntropyIx = 6 } EntropyIx; typedef enum { @@ -354,11 +355,15 @@ static int GetTransformBits(int method, int histo_bits) { } // Set of parameters to be used in each iteration of the cruncher. -#define CRUNCH_CONFIGS_LZ77_MAX 2 +#define CRUNCH_SUBCONFIGS_MAX 2 +typedef struct { + int lz77_; + int do_no_cache_; +} CrunchSubConfig; typedef struct { int entropy_idx_; - int lz77s_types_to_try_[CRUNCH_CONFIGS_LZ77_MAX]; - int lz77s_types_to_try_size_; + CrunchSubConfig sub_configs_[CRUNCH_SUBCONFIGS_MAX]; + int sub_configs_size_; } CrunchConfig; #define CRUNCH_CONFIGS_MAX kNumEntropyIx @@ -376,6 +381,9 @@ static int EncoderAnalyze(VP8LEncoder* const enc, int i; int use_palette; int n_lz77s; + // If set to 0, analyze the cache with the computed cache value. If 1, also + // analyze with no-cache. + int do_no_cache = 0; assert(pic != NULL && pic->argb != NULL); use_palette = @@ -402,10 +410,13 @@ static int EncoderAnalyze(VP8LEncoder* const enc, return 0; } if (method == 6 && config->quality == 100) { + do_no_cache = 1; // Go brute force on all transforms. *crunch_configs_size = 0; for (i = 0; i < kNumEntropyIx; ++i) { - if (i != kPalette || use_palette) { + // We can only apply kPalette or kPaletteAndSpatial if we can indeed use + // a palette. + if ((i != kPalette && i != kPaletteAndSpatial) || use_palette) { assert(*crunch_configs_size < CRUNCH_CONFIGS_MAX); crunch_configs[(*crunch_configs_size)++].entropy_idx_ = i; } @@ -414,17 +425,28 @@ static int EncoderAnalyze(VP8LEncoder* const enc, // Only choose the guessed best transform. *crunch_configs_size = 1; crunch_configs[0].entropy_idx_ = min_entropy_ix; + if (config->quality >= 75 && method == 5) { + // Test with and without color cache. + do_no_cache = 1; + // If we have a palette, also check in combination with spatial. + if (min_entropy_ix == kPalette) { + *crunch_configs_size = 2; + crunch_configs[1].entropy_idx_ = kPaletteAndSpatial; + } + } } } // Fill in the different LZ77s. - assert(n_lz77s <= CRUNCH_CONFIGS_LZ77_MAX); + assert(n_lz77s <= CRUNCH_SUBCONFIGS_MAX); for (i = 0; i < *crunch_configs_size; ++i) { int j; for (j = 0; j < n_lz77s; ++j) { - crunch_configs[i].lz77s_types_to_try_[j] = + assert(j < CRUNCH_SUBCONFIGS_MAX); + crunch_configs[i].sub_configs_[j].lz77_ = (j == 0) ? kLZ77Standard | kLZ77RLE : kLZ77Box; + crunch_configs[i].sub_configs_[j].do_no_cache_ = do_no_cache; } - crunch_configs[i].lz77s_types_to_try_size_ = n_lz77s; + crunch_configs[i].sub_configs_size_ = n_lz77s; } return 1; } @@ -440,7 +462,7 @@ static int EncoderInit(VP8LEncoder* const enc) { int i; if (!VP8LHashChainInit(&enc->hash_chain_, pix_cnt)) return 0; - for (i = 0; i < 3; ++i) VP8LBackwardRefsInit(&enc->refs_[i], refs_block_size); + for (i = 0; i < 4; ++i) VP8LBackwardRefsInit(&enc->refs_[i], refs_block_size); return 1; } @@ -769,13 +791,10 @@ static WebPEncodingError StoreImageToBitMask( } // Special case of EncodeImageInternal() for cache-bits=0, histo_bits=31 -static WebPEncodingError EncodeImageNoHuffman(VP8LBitWriter* const bw, - const uint32_t* const argb, - VP8LHashChain* const hash_chain, - VP8LBackwardRefs* const refs_tmp1, - VP8LBackwardRefs* const refs_tmp2, - int width, int height, - int quality, int low_effort) { +static WebPEncodingError EncodeImageNoHuffman( + VP8LBitWriter* const bw, const uint32_t* const argb, + VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_array, + int width, int height, int quality, int low_effort) { int i; int max_tokens = 0; WebPEncodingError err = VP8_ENC_OK; @@ -798,13 +817,11 @@ static WebPEncodingError EncodeImageNoHuffman(VP8LBitWriter* const bw, err = VP8_ENC_ERROR_OUT_OF_MEMORY; goto Error; } - refs = VP8LGetBackwardReferences(width, height, argb, quality, 0, - kLZ77Standard | kLZ77RLE, &cache_bits, - hash_chain, refs_tmp1, refs_tmp2); - if (refs == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } + err = VP8LGetBackwardReferences( + width, height, argb, quality, /*low_effort=*/0, kLZ77Standard | kLZ77RLE, + cache_bits, /*do_no_cache=*/0, hash_chain, refs_array, &cache_bits); + if (err != VP8_ENC_OK) goto Error; + refs = &refs_array[0]; histogram_image = VP8LAllocateHistogramSet(1, cache_bits); if (histogram_image == NULL) { err = VP8_ENC_ERROR_OUT_OF_MEMORY; @@ -860,11 +877,11 @@ static WebPEncodingError EncodeImageNoHuffman(VP8LBitWriter* const bw, static WebPEncodingError EncodeImageInternal( VP8LBitWriter* const bw, const uint32_t* const argb, - VP8LHashChain* const hash_chain, VP8LBackwardRefs refs_array[3], int width, + VP8LHashChain* const hash_chain, VP8LBackwardRefs refs_array[4], int width, int height, int quality, int low_effort, int use_cache, const CrunchConfig* const config, int* cache_bits, int histogram_bits, size_t init_byte_position, int* const hdr_size, int* const data_size) { - WebPEncodingError err = VP8_ENC_OK; + WebPEncodingError err = VP8_ENC_ERROR_OUT_OF_MEMORY; const uint32_t histogram_image_xysize = VP8LSubSampleSize(width, histogram_bits) * VP8LSubSampleSize(height, histogram_bits); @@ -876,103 +893,103 @@ static WebPEncodingError EncodeImageInternal( 3ULL * CODE_LENGTH_CODES, sizeof(*huff_tree)); HuffmanTreeToken* tokens = NULL; HuffmanTreeCode* huffman_codes = NULL; - VP8LBackwardRefs* refs_best; - VP8LBackwardRefs* refs_tmp; uint16_t* const histogram_symbols = (uint16_t*)WebPSafeMalloc(histogram_image_xysize, sizeof(*histogram_symbols)); - int lz77s_idx; + int sub_configs_idx; + int cache_bits_init, write_histogram_image; VP8LBitWriter bw_init = *bw, bw_best; int hdr_size_tmp; + VP8LHashChain hash_chain_histogram; // histogram image hash chain + size_t bw_size_best = ~(size_t)0; assert(histogram_bits >= MIN_HUFFMAN_BITS); assert(histogram_bits <= MAX_HUFFMAN_BITS); assert(hdr_size != NULL); assert(data_size != NULL); - if (histogram_symbols == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; + // Make sure we can allocate the different objects. + memset(&hash_chain_histogram, 0, sizeof(hash_chain_histogram)); + if (huff_tree == NULL || histogram_symbols == NULL || + !VP8LHashChainInit(&hash_chain_histogram, histogram_image_xysize) || + !VP8LHashChainFill(hash_chain, quality, argb, width, height, + low_effort)) { goto Error; } - if (use_cache) { // If the value is different from zero, it has been set during the // palette analysis. - if (*cache_bits == 0) *cache_bits = MAX_COLOR_CACHE_BITS; + cache_bits_init = (*cache_bits == 0) ? MAX_COLOR_CACHE_BITS : *cache_bits; } else { - *cache_bits = 0; + cache_bits_init = 0; } - // 'best_refs' is the reference to the best backward refs and points to one - // of refs_array[0] or refs_array[1]. - // Calculate backward references from ARGB image. - if (huff_tree == NULL || - !VP8LHashChainFill(hash_chain, quality, argb, width, height, - low_effort) || - !VP8LBitWriterInit(&bw_best, 0) || - (config->lz77s_types_to_try_size_ > 1 && + // If several iterations will happen, clone into bw_best. + if (!VP8LBitWriterInit(&bw_best, 0) || + ((config->sub_configs_size_ > 1 || + config->sub_configs_[0].do_no_cache_) && !VP8LBitWriterClone(bw, &bw_best))) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; goto Error; } - for (lz77s_idx = 0; lz77s_idx < config->lz77s_types_to_try_size_; - ++lz77s_idx) { - refs_best = VP8LGetBackwardReferences( - width, height, argb, quality, low_effort, - config->lz77s_types_to_try_[lz77s_idx], cache_bits, hash_chain, - &refs_array[0], &refs_array[1]); - if (refs_best == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } - // Keep the best references aside and use the other element from the first - // two as a temporary for later usage. - refs_tmp = &refs_array[refs_best == &refs_array[0] ? 1 : 0]; - - histogram_image = - VP8LAllocateHistogramSet(histogram_image_xysize, *cache_bits); - tmp_histo = VP8LAllocateHistogram(*cache_bits); - if (histogram_image == NULL || tmp_histo == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } - - // Build histogram image and symbols from backward references. - if (!VP8LGetHistoImageSymbols(width, height, refs_best, quality, low_effort, - histogram_bits, *cache_bits, histogram_image, - tmp_histo, histogram_symbols)) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } - // Create Huffman bit lengths and codes for each histogram image. - histogram_image_size = histogram_image->size; - bit_array_size = 5 * histogram_image_size; - huffman_codes = (HuffmanTreeCode*)WebPSafeCalloc(bit_array_size, - sizeof(*huffman_codes)); - // Note: some histogram_image entries may point to tmp_histos[], so the - // latter need to outlive the following call to GetHuffBitLengthsAndCodes(). - if (huffman_codes == NULL || - !GetHuffBitLengthsAndCodes(histogram_image, huffman_codes)) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } - // Free combined histograms. - VP8LFreeHistogramSet(histogram_image); - histogram_image = NULL; - - // Free scratch histograms. - VP8LFreeHistogram(tmp_histo); - tmp_histo = NULL; + for (sub_configs_idx = 0; sub_configs_idx < config->sub_configs_size_; + ++sub_configs_idx) { + const CrunchSubConfig* const sub_config = + &config->sub_configs_[sub_configs_idx]; + int cache_bits_best, i_cache; + err = VP8LGetBackwardReferences(width, height, argb, quality, low_effort, + sub_config->lz77_, cache_bits_init, + sub_config->do_no_cache_, hash_chain, + &refs_array[0], &cache_bits_best); + if (err != VP8_ENC_OK) goto Error; - // Color Cache parameters. - if (*cache_bits > 0) { - VP8LPutBits(bw, 1, 1); - VP8LPutBits(bw, *cache_bits, 4); - } else { - VP8LPutBits(bw, 0, 1); - } + for (i_cache = 0; i_cache < (sub_config->do_no_cache_ ? 2 : 1); ++i_cache) { + const int cache_bits_tmp = (i_cache == 0) ? cache_bits_best : 0; + // Speed-up: no need to study the no-cache case if it was already studied + // in i_cache == 0. + if (i_cache == 1 && cache_bits_best == 0) break; + + // Reset the bit writer for this iteration. + VP8LBitWriterReset(&bw_init, bw); + + // Build histogram image and symbols from backward references. + histogram_image = + VP8LAllocateHistogramSet(histogram_image_xysize, cache_bits_tmp); + tmp_histo = VP8LAllocateHistogram(cache_bits_tmp); + if (histogram_image == NULL || tmp_histo == NULL || + !VP8LGetHistoImageSymbols(width, height, &refs_array[i_cache], + quality, low_effort, histogram_bits, + cache_bits_tmp, histogram_image, tmp_histo, + histogram_symbols)) { + goto Error; + } + // Create Huffman bit lengths and codes for each histogram image. + histogram_image_size = histogram_image->size; + bit_array_size = 5 * histogram_image_size; + huffman_codes = (HuffmanTreeCode*)WebPSafeCalloc(bit_array_size, + sizeof(*huffman_codes)); + // Note: some histogram_image entries may point to tmp_histos[], so the + // latter need to outlive the following call to + // GetHuffBitLengthsAndCodes(). + if (huffman_codes == NULL || + !GetHuffBitLengthsAndCodes(histogram_image, huffman_codes)) { + goto Error; + } + // Free combined histograms. + VP8LFreeHistogramSet(histogram_image); + histogram_image = NULL; + + // Free scratch histograms. + VP8LFreeHistogram(tmp_histo); + tmp_histo = NULL; + + // Color Cache parameters. + if (cache_bits_tmp > 0) { + VP8LPutBits(bw, 1, 1); + VP8LPutBits(bw, cache_bits_tmp, 4); + } else { + VP8LPutBits(bw, 0, 1); + } - // Huffman image + meta huffman. - { - const int write_histogram_image = (histogram_image_size > 1); + // Huffman image + meta huffman. + write_histogram_image = (histogram_image_size > 1); VP8LPutBits(bw, write_histogram_image, 1); if (write_histogram_image) { uint32_t* const histogram_argb = @@ -980,10 +997,7 @@ static WebPEncodingError EncodeImageInternal( sizeof(*histogram_argb)); int max_index = 0; uint32_t i; - if (histogram_argb == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; - } + if (histogram_argb == NULL) goto Error; for (i = 0; i < histogram_image_xysize; ++i) { const int symbol_index = histogram_symbols[i] & 0xffff; histogram_argb[i] = (symbol_index << 8); @@ -995,65 +1009,64 @@ static WebPEncodingError EncodeImageInternal( VP8LPutBits(bw, histogram_bits - 2, 3); err = EncodeImageNoHuffman( - bw, histogram_argb, hash_chain, refs_tmp, &refs_array[2], + bw, histogram_argb, &hash_chain_histogram, &refs_array[2], VP8LSubSampleSize(width, histogram_bits), VP8LSubSampleSize(height, histogram_bits), quality, low_effort); WebPSafeFree(histogram_argb); if (err != VP8_ENC_OK) goto Error; } - } - // Store Huffman codes. - { - int i; - int max_tokens = 0; - // Find maximum number of symbols for the huffman tree-set. - for (i = 0; i < 5 * histogram_image_size; ++i) { - HuffmanTreeCode* const codes = &huffman_codes[i]; - if (max_tokens < codes->num_symbols) { - max_tokens = codes->num_symbols; + // Store Huffman codes. + { + int i; + int max_tokens = 0; + // Find maximum number of symbols for the huffman tree-set. + for (i = 0; i < 5 * histogram_image_size; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + if (max_tokens < codes->num_symbols) { + max_tokens = codes->num_symbols; + } + } + tokens = (HuffmanTreeToken*)WebPSafeMalloc(max_tokens, sizeof(*tokens)); + if (tokens == NULL) goto Error; + for (i = 0; i < 5 * histogram_image_size; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + StoreHuffmanCode(bw, huff_tree, tokens, codes); + ClearHuffmanTreeIfOnlyOneSymbol(codes); } } - tokens = (HuffmanTreeToken*)WebPSafeMalloc(max_tokens, sizeof(*tokens)); - if (tokens == NULL) { - err = VP8_ENC_ERROR_OUT_OF_MEMORY; - goto Error; + // Store actual literals. + hdr_size_tmp = (int)(VP8LBitWriterNumBytes(bw) - init_byte_position); + err = StoreImageToBitMask(bw, width, histogram_bits, &refs_array[i_cache], + histogram_symbols, huffman_codes); + if (err != VP8_ENC_OK) goto Error; + // Keep track of the smallest image so far. + if (VP8LBitWriterNumBytes(bw) < bw_size_best) { + bw_size_best = VP8LBitWriterNumBytes(bw); + *cache_bits = cache_bits_tmp; + *hdr_size = hdr_size_tmp; + *data_size = + (int)(VP8LBitWriterNumBytes(bw) - init_byte_position - *hdr_size); + VP8LBitWriterSwap(bw, &bw_best); } - for (i = 0; i < 5 * histogram_image_size; ++i) { - HuffmanTreeCode* const codes = &huffman_codes[i]; - StoreHuffmanCode(bw, huff_tree, tokens, codes); - ClearHuffmanTreeIfOnlyOneSymbol(codes); + WebPSafeFree(tokens); + tokens = NULL; + if (huffman_codes != NULL) { + WebPSafeFree(huffman_codes->codes); + WebPSafeFree(huffman_codes); + huffman_codes = NULL; } } - // Store actual literals. - hdr_size_tmp = (int)(VP8LBitWriterNumBytes(bw) - init_byte_position); - err = StoreImageToBitMask(bw, width, histogram_bits, refs_best, - histogram_symbols, huffman_codes); - // Keep track of the smallest image so far. - if (lz77s_idx == 0 || - VP8LBitWriterNumBytes(bw) < VP8LBitWriterNumBytes(&bw_best)) { - *hdr_size = hdr_size_tmp; - *data_size = - (int)(VP8LBitWriterNumBytes(bw) - init_byte_position - *hdr_size); - VP8LBitWriterSwap(bw, &bw_best); - } - // Reset the bit writer for the following iteration if any. - if (config->lz77s_types_to_try_size_ > 1) VP8LBitWriterReset(&bw_init, bw); - WebPSafeFree(tokens); - tokens = NULL; - if (huffman_codes != NULL) { - WebPSafeFree(huffman_codes->codes); - WebPSafeFree(huffman_codes); - huffman_codes = NULL; - } } VP8LBitWriterSwap(bw, &bw_best); + err = VP8_ENC_OK; Error: WebPSafeFree(tokens); WebPSafeFree(huff_tree); VP8LFreeHistogramSet(histogram_image); VP8LFreeHistogram(tmp_histo); + VP8LHashChainClear(&hash_chain_histogram); if (huffman_codes != NULL) { WebPSafeFree(huffman_codes->codes); WebPSafeFree(huffman_codes); @@ -1095,8 +1108,7 @@ static WebPEncodingError ApplyPredictFilter(const VP8LEncoder* const enc, VP8LPutBits(bw, pred_bits - 2, 3); return EncodeImageNoHuffman( bw, enc->transform_data_, (VP8LHashChain*)&enc->hash_chain_, - (VP8LBackwardRefs*)&enc->refs_[0], // cast const away - (VP8LBackwardRefs*)&enc->refs_[1], transform_width, transform_height, + (VP8LBackwardRefs*)&enc->refs_[0], transform_width, transform_height, quality, low_effort); } @@ -1116,8 +1128,7 @@ static WebPEncodingError ApplyCrossColorFilter(const VP8LEncoder* const enc, VP8LPutBits(bw, ccolor_transform_bits - 2, 3); return EncodeImageNoHuffman( bw, enc->transform_data_, (VP8LHashChain*)&enc->hash_chain_, - (VP8LBackwardRefs*)&enc->refs_[0], // cast const away - (VP8LBackwardRefs*)&enc->refs_[1], transform_width, transform_height, + (VP8LBackwardRefs*)&enc->refs_[0], transform_width, transform_height, quality, low_effort); } @@ -1464,8 +1475,8 @@ static WebPEncodingError EncodePalette(VP8LBitWriter* const bw, int low_effort, } tmp_palette[0] = palette[0]; return EncodeImageNoHuffman(bw, tmp_palette, &enc->hash_chain_, - &enc->refs_[0], &enc->refs_[1], palette_size, 1, - 20 /* quality */, low_effort); + &enc->refs_[0], palette_size, 1, /*quality=*/20, + low_effort); } // ----------------------------------------------------------------------------- @@ -1491,7 +1502,7 @@ static void VP8LEncoderDelete(VP8LEncoder* enc) { if (enc != NULL) { int i; VP8LHashChainClear(&enc->hash_chain_); - for (i = 0; i < 3; ++i) VP8LBackwardRefsClear(&enc->refs_[i]); + for (i = 0; i < 4; ++i) VP8LBackwardRefsClear(&enc->refs_[i]); ClearTransformBuffer(enc); WebPSafeFree(enc); } @@ -1541,7 +1552,7 @@ static int EncodeStreamHook(void* input, void* data2) { int data_size = 0; int use_delta_palette = 0; int idx; - size_t best_size = 0; + size_t best_size = ~(size_t)0; VP8LBitWriter bw_init = *bw, bw_best; (void)data2; @@ -1553,11 +1564,13 @@ static int EncodeStreamHook(void* input, void* data2) { for (idx = 0; idx < num_crunch_configs; ++idx) { const int entropy_idx = crunch_configs[idx].entropy_idx_; - enc->use_palette_ = (entropy_idx == kPalette); + enc->use_palette_ = + (entropy_idx == kPalette) || (entropy_idx == kPaletteAndSpatial); enc->use_subtract_green_ = (entropy_idx == kSubGreen) || (entropy_idx == kSpatialSubGreen); - enc->use_predict_ = - (entropy_idx == kSpatial) || (entropy_idx == kSpatialSubGreen); + enc->use_predict_ = (entropy_idx == kSpatial) || + (entropy_idx == kSpatialSubGreen) || + (entropy_idx == kPaletteAndSpatial); if (low_effort) { enc->use_cross_color_ = 0; } else { @@ -1640,7 +1653,7 @@ static int EncodeStreamHook(void* input, void* data2) { if (err != VP8_ENC_OK) goto Error; // If we are better than what we already have. - if (idx == 0 || VP8LBitWriterNumBytes(bw) < best_size) { + if (VP8LBitWriterNumBytes(bw) < best_size) { best_size = VP8LBitWriterNumBytes(bw); // Store the BitWriter. VP8LBitWriterSwap(bw, &bw_best); @@ -1816,7 +1829,7 @@ Error: } #undef CRUNCH_CONFIGS_MAX -#undef CRUNCH_CONFIGS_LZ77_MAX +#undef CRUNCH_SUBCONFIGS_MAX int VP8LEncodeImage(const WebPConfig* const config, const WebPPicture* const picture) { diff --git a/src/3rdparty/libwebp/src/enc/vp8li_enc.h b/src/3rdparty/libwebp/src/enc/vp8li_enc.h index d2d0fc5..94210ce 100644 --- a/src/3rdparty/libwebp/src/enc/vp8li_enc.h +++ b/src/3rdparty/libwebp/src/enc/vp8li_enc.h @@ -71,7 +71,7 @@ typedef struct { uint32_t palette_[MAX_PALETTE_SIZE]; // Some 'scratch' (potentially large) objects. - struct VP8LBackwardRefs refs_[3]; // Backward Refs array for temporaries. + struct VP8LBackwardRefs refs_[4]; // Backward Refs array for temporaries. VP8LHashChain hash_chain_; // HashChain data for constructing // backward references. } VP8LEncoder; diff --git a/src/3rdparty/libwebp/src/enc/webp_enc.c b/src/3rdparty/libwebp/src/enc/webp_enc.c index 9f4b10c..ce2db2e 100644 --- a/src/3rdparty/libwebp/src/enc/webp_enc.c +++ b/src/3rdparty/libwebp/src/enc/webp_enc.c @@ -400,7 +400,7 @@ int WebPEncode(const WebPConfig* config, WebPPicture* pic) { } if (!config->exact) { - WebPCleanupTransparentAreaLossless(pic); + WebPReplaceTransparentPixels(pic, 0x000000); } ok = VP8LEncodeImage(config, pic); // Sets pic->error in case of problem. diff --git a/src/3rdparty/libwebp/src/mux/muxi.h b/src/3rdparty/libwebp/src/mux/muxi.h index ad3e1bd..2289822 100644 --- a/src/3rdparty/libwebp/src/mux/muxi.h +++ b/src/3rdparty/libwebp/src/mux/muxi.h @@ -28,7 +28,7 @@ extern "C" { // Defines and constants. #define MUX_MAJ_VERSION 1 -#define MUX_MIN_VERSION 1 +#define MUX_MIN_VERSION 2 #define MUX_REV_VERSION 0 // Chunk object. diff --git a/src/3rdparty/libwebp/src/mux/muxread.c b/src/3rdparty/libwebp/src/mux/muxread.c index ae3b876..0101fde 100644 --- a/src/3rdparty/libwebp/src/mux/muxread.c +++ b/src/3rdparty/libwebp/src/mux/muxread.c @@ -155,7 +155,6 @@ static int MuxImageParse(const WebPChunk* const chunk, int copy_data, break; default: goto Fail; - break; } subchunk_size = ChunkDiskSize(&subchunk); bytes += subchunk_size; @@ -264,7 +263,6 @@ WebPMux* WebPMuxCreateInternal(const WebPData* bitstream, int copy_data, if (!MuxImageParse(&chunk, copy_data, wpi)) goto Err; ChunkRelease(&chunk); goto PushImage; - break; default: // A non-image chunk. if (wpi->is_partial_) goto Err; // Encountered a non-image chunk before // getting all chunks of an image. diff --git a/src/3rdparty/libwebp/src/utils/utils.c b/src/3rdparty/libwebp/src/utils/utils.c index 764f752..6080e19 100644 --- a/src/3rdparty/libwebp/src/utils/utils.c +++ b/src/3rdparty/libwebp/src/utils/utils.c @@ -231,7 +231,7 @@ void WebPFree(void* ptr) { void WebPCopyPlane(const uint8_t* src, int src_stride, uint8_t* dst, int dst_stride, int width, int height) { assert(src != NULL && dst != NULL); - assert(src_stride >= width && dst_stride >= width); + assert(abs(src_stride) >= width && abs(dst_stride) >= width); while (height-- > 0) { memcpy(dst, src, width); src += src_stride; diff --git a/src/3rdparty/libwebp/src/webp/config.h b/src/3rdparty/libwebp/src/webp/config.h index 6f5d153..29cf0e6 100644 --- a/src/3rdparty/libwebp/src/webp/config.h +++ b/src/3rdparty/libwebp/src/webp/config.h @@ -81,7 +81,7 @@ #define PACKAGE_NAME "libwebp" /* Define to the full name and version of this package. */ -#define PACKAGE_STRING "libwebp 1.1.0" +#define PACKAGE_STRING "libwebp 1.2.0" /* Define to the one symbol short name of this package. */ #define PACKAGE_TARNAME "libwebp" @@ -90,7 +90,7 @@ #define PACKAGE_URL "http://developers.google.com/speed/webp" /* Define to the version of this package. */ -#define PACKAGE_VERSION "1.1.0" +#define PACKAGE_VERSION "1.2.0" /* Define to necessary symbol if this constant uses a non-standard name on your system. */ @@ -100,7 +100,7 @@ /* #undef STDC_HEADERS */ /* Version number of package */ -#define VERSION "1.1.0" +#define VERSION "1.2.0" /* Enable experimental code */ /* #undef WEBP_EXPERIMENTAL_FEATURES */ diff --git a/src/3rdparty/libwebp/src/webp/decode.h b/src/3rdparty/libwebp/src/webp/decode.h index 80dd0ef..44fcd64 100644 --- a/src/3rdparty/libwebp/src/webp/decode.h +++ b/src/3rdparty/libwebp/src/webp/decode.h @@ -453,7 +453,7 @@ struct WebPDecoderOptions { int scaled_width, scaled_height; // final resolution int use_threads; // if true, use multi-threaded decoding int dithering_strength; // dithering strength (0=Off, 100=full) - int flip; // flip output vertically + int flip; // if true, flip output vertically int alpha_dithering_strength; // alpha dithering strength in [0..100] uint32_t pad[5]; // padding for later use diff --git a/src/3rdparty/libwebp/src/webp/encode.h b/src/3rdparty/libwebp/src/webp/encode.h index 655166e..b4c599d 100644 --- a/src/3rdparty/libwebp/src/webp/encode.h +++ b/src/3rdparty/libwebp/src/webp/encode.h @@ -148,7 +148,8 @@ struct WebPConfig { int use_delta_palette; // reserved for future lossless feature int use_sharp_yuv; // if needed, use sharp (and slow) RGB->YUV conversion - uint32_t pad[2]; // padding for later use + int qmin; // minimum permissible quality factor + int qmax; // maximum permissible quality factor }; // Enumerate some predefined settings for WebPConfig, depending on the type @@ -291,6 +292,11 @@ typedef enum WebPEncodingError { #define WEBP_MAX_DIMENSION 16383 // Main exchange structure (input samples, output bytes, statistics) +// +// Once WebPPictureInit() has been called, it's ok to make all the INPUT fields +// (use_argb, y/u/v, argb, ...) point to user-owned data, even if +// WebPPictureAlloc() has been called. Depending on the value use_argb, +// it's guaranteed that either *argb or *y/*u/*v content will be kept untouched. struct WebPPicture { // INPUT ////////////// -- cgit v1.2.1