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Diffstat (limited to 'thirdparty/libsimplewebm/VPXDecoder.cpp')
| -rw-r--r-- | thirdparty/libsimplewebm/VPXDecoder.cpp | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/thirdparty/libsimplewebm/VPXDecoder.cpp b/thirdparty/libsimplewebm/VPXDecoder.cpp deleted file mode 100644 index e2606f83ba..0000000000 --- a/thirdparty/libsimplewebm/VPXDecoder.cpp +++ /dev/null @@ -1,154 +0,0 @@ -/* - MIT License - - Copyright (c) 2016 Błażej Szczygieł - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in all - copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - SOFTWARE. -*/ - -#include "VPXDecoder.hpp" - -#include <vpx/vpx_decoder.h> -#include <vpx/vp8dx.h> - -#include <stdlib.h> -#include <string.h> - -VPXDecoder::VPXDecoder(const WebMDemuxer &demuxer, unsigned threads) : - m_ctx(NULL), - m_iter(NULL), - m_delay(0), - m_last_space(VPX_CS_UNKNOWN) -{ - if (threads > 8) - threads = 8; - else if (threads < 1) - threads = 1; - - const vpx_codec_dec_cfg_t codecCfg = { - threads, - 0, - 0 - }; - vpx_codec_iface_t *codecIface = NULL; - - switch (demuxer.getVideoCodec()) - { - case WebMDemuxer::VIDEO_VP8: - codecIface = vpx_codec_vp8_dx(); - break; - case WebMDemuxer::VIDEO_VP9: - codecIface = vpx_codec_vp9_dx(); - m_delay = threads - 1; - break; - default: - return; - } - - m_ctx = new vpx_codec_ctx_t; - if (vpx_codec_dec_init(m_ctx, codecIface, &codecCfg, m_delay > 0 ? VPX_CODEC_USE_FRAME_THREADING : 0)) - { - delete m_ctx; - m_ctx = NULL; - } -} -VPXDecoder::~VPXDecoder() -{ - if (m_ctx) - { - vpx_codec_destroy(m_ctx); - delete m_ctx; - } -} - -bool VPXDecoder::decode(const WebMFrame &frame) -{ - m_iter = NULL; - return !vpx_codec_decode(m_ctx, frame.buffer, frame.bufferSize, NULL, 0); -} -VPXDecoder::IMAGE_ERROR VPXDecoder::getImage(Image &image) -{ - IMAGE_ERROR err = NO_FRAME; - if (vpx_image_t *img = vpx_codec_get_frame(m_ctx, &m_iter)) - { - // It seems to be a common problem that UNKNOWN comes up a lot, yet FFMPEG is somehow getting accurate colour-space information. - // After checking FFMPEG code, *they're* getting colour-space information, so I'm assuming something like this is going on. - // It appears to work, at least. - if (img->cs != VPX_CS_UNKNOWN) - m_last_space = img->cs; - if ((img->fmt & VPX_IMG_FMT_PLANAR) && !(img->fmt & (VPX_IMG_FMT_HAS_ALPHA | VPX_IMG_FMT_HIGHBITDEPTH))) - { - if (img->stride[0] && img->stride[1] && img->stride[2]) - { - const int uPlane = !!(img->fmt & VPX_IMG_FMT_UV_FLIP) + 1; - const int vPlane = !(img->fmt & VPX_IMG_FMT_UV_FLIP) + 1; - - image.w = img->d_w; - image.h = img->d_h; - image.cs = m_last_space; - image.chromaShiftW = img->x_chroma_shift; - image.chromaShiftH = img->y_chroma_shift; - - image.planes[0] = img->planes[0]; - image.planes[1] = img->planes[uPlane]; - image.planes[2] = img->planes[vPlane]; - - image.linesize[0] = img->stride[0]; - image.linesize[1] = img->stride[uPlane]; - image.linesize[2] = img->stride[vPlane]; - - err = NO_ERROR; - } - } - else - { - err = UNSUPPORTED_FRAME; - } - } - return err; -} - -/**/ - -// -- GODOT begin -- -#if 0 -// -- GODOT end -- - -static inline int ceilRshift(int val, int shift) -{ - return (val + (1 << shift) - 1) >> shift; -} - -int VPXDecoder::Image::getWidth(int plane) const -{ - if (!plane) - return w; - return ceilRshift(w, chromaShiftW); -} -int VPXDecoder::Image::getHeight(int plane) const -{ - if (!plane) - return h; - return ceilRshift(h, chromaShiftH); -} - -// -- GODOT begin -- -#endif -// -- GODOT end -- - |