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avcodec.cpp
1074 lines (917 loc) · 40.2 KB
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avcodec.cpp
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/*
* Copyright (C) 2010-2016 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
#include "avcodec.h"
#include "moreuuids.h"
#include "parsers/MPEG2HeaderParser.h"
#include "parsers/H264SequenceParser.h"
#include "parsers/VC1HeaderParser.h"
#include "Media.h"
#include "IMediaSideData.h"
#include "ByteParser.h"
#ifdef DEBUG
#include "lavf_log.h"
#endif
extern "C" {
#include "libavutil/pixdesc.h"
#include "libavutil/mastering_display_metadata.h"
};
////////////////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////////////////
ILAVDecoder *CreateDecoderAVCodec() {
return new CDecAvcodec();
}
////////////////////////////////////////////////////////////////////////////////
// Create DXVA2 Extended Flags from a AVFrame and AVCodecContext
////////////////////////////////////////////////////////////////////////////////
static DXVA2_ExtendedFormat GetDXVA2ExtendedFlags(AVCodecContext *ctx, AVFrame *frame)
{
DXVA2_ExtendedFormat fmt;
ZeroMemory(&fmt, sizeof(fmt));
fillDXVAExtFormat(fmt, -1, ctx->color_primaries, ctx->colorspace, ctx->color_trc);
if (frame->format == AV_PIX_FMT_XYZ12LE || frame->format == AV_PIX_FMT_XYZ12BE)
fmt.VideoPrimaries = DXVA2_VideoPrimaries_BT709;
// Chroma location
switch(ctx->chroma_sample_location) {
case AVCHROMA_LOC_LEFT:
fmt.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_MPEG2;
break;
case AVCHROMA_LOC_CENTER:
fmt.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_MPEG1;
break;
case AVCHROMA_LOC_TOPLEFT:
fmt.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Cosited;
break;
}
// Color Range, 0-255 or 16-235
BOOL ffFullRange = (ctx->color_range == AVCOL_RANGE_JPEG)
|| frame->format == AV_PIX_FMT_YUVJ420P || frame->format == AV_PIX_FMT_YUVJ422P || frame->format == AV_PIX_FMT_YUVJ444P
|| frame->format == AV_PIX_FMT_YUVJ440P || frame->format == AV_PIX_FMT_YUVJ411P;
fmt.NominalRange = ffFullRange ? DXVA2_NominalRange_0_255 : (ctx->color_range == AVCOL_RANGE_MPEG) ? DXVA2_NominalRange_16_235 : DXVA2_NominalRange_Unknown;
return fmt;
}
////////////////////////////////////////////////////////////////////////////////
// avcodec -> LAV codec mappings
////////////////////////////////////////////////////////////////////////////////
// This mapping table should contain all pixel formats, except hardware formats (VDPAU, XVMC, DXVA, etc)
// A format that is not listed will be converted to YUV420
static struct PixelFormatMapping {
AVPixelFormat ffpixfmt;
LAVPixelFormat lavpixfmt;
BOOL conversion;
int bpp;
} ff_pix_map[] = {
{ AV_PIX_FMT_YUV420P, LAVPixFmt_YUV420, FALSE },
{ AV_PIX_FMT_YUYV422, LAVPixFmt_YUY2, FALSE },
{ AV_PIX_FMT_RGB24, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR24, LAVPixFmt_RGB24, FALSE },
{ AV_PIX_FMT_YUV422P, LAVPixFmt_YUV422, FALSE },
{ AV_PIX_FMT_YUV444P, LAVPixFmt_YUV444, FALSE },
{ AV_PIX_FMT_YUV410P, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_YUV411P, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_GRAY8, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_MONOWHITE, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_MONOBLACK, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_PAL8, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_YUVJ420P, LAVPixFmt_YUV420, FALSE },
{ AV_PIX_FMT_YUVJ422P, LAVPixFmt_YUV422, FALSE },
{ AV_PIX_FMT_YUVJ444P, LAVPixFmt_YUV444, FALSE },
{ AV_PIX_FMT_UYVY422, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_UYYVYY411, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_BGR8, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR4, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR4_BYTE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB8, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB4, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB4_BYTE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_NV12, LAVPixFmt_NV12, FALSE },
{ AV_PIX_FMT_NV21, LAVPixFmt_NV12, TRUE },
{ AV_PIX_FMT_ARGB, LAVPixFmt_ARGB32, TRUE },
{ AV_PIX_FMT_RGBA, LAVPixFmt_ARGB32, TRUE },
{ AV_PIX_FMT_ABGR, LAVPixFmt_ARGB32, TRUE },
{ AV_PIX_FMT_BGRA, LAVPixFmt_ARGB32, FALSE },
{ AV_PIX_FMT_GRAY16BE, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_GRAY16LE, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_YUV440P, LAVPixFmt_YUV444, TRUE },
{ AV_PIX_FMT_YUVJ440P, LAVPixFmt_YUV444, TRUE },
{ AV_PIX_FMT_YUVA420P, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_RGB48BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_RGB48LE, LAVPixFmt_RGB48, FALSE },
{ AV_PIX_FMT_RGB565BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB565LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB555BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB555LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR565BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR565LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR555BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR555LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_YUV420P16LE, LAVPixFmt_YUV420bX, FALSE, 16 },
{ AV_PIX_FMT_YUV420P16BE, LAVPixFmt_YUV420bX, TRUE, 16 },
{ AV_PIX_FMT_YUV422P16LE, LAVPixFmt_YUV422bX, FALSE, 16 },
{ AV_PIX_FMT_YUV422P16BE, LAVPixFmt_YUV422bX, TRUE, 16 },
{ AV_PIX_FMT_YUV444P16LE, LAVPixFmt_YUV444bX, FALSE, 16 },
{ AV_PIX_FMT_YUV444P16BE, LAVPixFmt_YUV444bX, TRUE, 16 },
{ AV_PIX_FMT_RGB444LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB444BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR444LE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR444BE, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_YA8, LAVPixFmt_YUV420, TRUE },
{ AV_PIX_FMT_BGR48BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_BGR48LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_YUV420P9BE, LAVPixFmt_YUV420bX, TRUE, 9 },
{ AV_PIX_FMT_YUV420P9LE, LAVPixFmt_YUV420bX, FALSE, 9 },
{ AV_PIX_FMT_YUV420P10BE, LAVPixFmt_YUV420bX, TRUE, 10 },
{ AV_PIX_FMT_YUV420P10LE, LAVPixFmt_YUV420bX, FALSE, 10 },
{ AV_PIX_FMT_YUV422P10BE, LAVPixFmt_YUV422bX, TRUE, 10 },
{ AV_PIX_FMT_YUV422P10LE, LAVPixFmt_YUV422bX, FALSE, 10 },
{ AV_PIX_FMT_YUV444P9BE, LAVPixFmt_YUV444bX, TRUE, 9 },
{ AV_PIX_FMT_YUV444P9LE, LAVPixFmt_YUV444bX, FALSE, 9 },
{ AV_PIX_FMT_YUV444P10BE, LAVPixFmt_YUV444bX, TRUE, 10 },
{ AV_PIX_FMT_YUV444P10LE, LAVPixFmt_YUV444bX, FALSE, 10 },
{ AV_PIX_FMT_YUV422P9BE, LAVPixFmt_YUV422bX, TRUE, 9 },
{ AV_PIX_FMT_YUV422P9LE, LAVPixFmt_YUV422bX, FALSE, 9 },
{ AV_PIX_FMT_GBRP, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_GBRP9BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP9LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP10BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP10LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP16BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP16LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_YUVA422P, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_YUVA444P, LAVPixFmt_YUV444, TRUE },
{ AV_PIX_FMT_YUVA420P9BE, LAVPixFmt_YUV420bX, TRUE, 9 },
{ AV_PIX_FMT_YUVA420P9LE, LAVPixFmt_YUV420bX, FALSE, 9 },
{ AV_PIX_FMT_YUVA422P9BE, LAVPixFmt_YUV422bX, TRUE, 9 },
{ AV_PIX_FMT_YUVA422P9LE, LAVPixFmt_YUV422bX, FALSE, 9 },
{ AV_PIX_FMT_YUVA444P9BE, LAVPixFmt_YUV444bX, TRUE, 9 },
{ AV_PIX_FMT_YUVA444P9LE, LAVPixFmt_YUV444bX, FALSE, 9 },
{ AV_PIX_FMT_YUVA420P10BE, LAVPixFmt_YUV420bX, TRUE, 10 },
{ AV_PIX_FMT_YUVA420P10LE, LAVPixFmt_YUV420bX, FALSE, 10 },
{ AV_PIX_FMT_YUVA422P10BE, LAVPixFmt_YUV422bX, TRUE, 10 },
{ AV_PIX_FMT_YUVA422P10LE, LAVPixFmt_YUV422bX, FALSE, 10 },
{ AV_PIX_FMT_YUVA444P10BE, LAVPixFmt_YUV444bX, TRUE, 10 },
{ AV_PIX_FMT_YUVA444P10LE, LAVPixFmt_YUV444bX, FALSE, 10 },
{ AV_PIX_FMT_YUVA420P16BE, LAVPixFmt_YUV420bX, TRUE, 16 },
{ AV_PIX_FMT_YUVA420P16LE, LAVPixFmt_YUV420bX, FALSE, 16 },
{ AV_PIX_FMT_YUVA422P16BE, LAVPixFmt_YUV422bX, TRUE, 16 },
{ AV_PIX_FMT_YUVA422P16LE, LAVPixFmt_YUV422bX, FALSE, 16 },
{ AV_PIX_FMT_YUVA444P16BE, LAVPixFmt_YUV444bX, TRUE, 16 },
{ AV_PIX_FMT_YUVA444P16LE, LAVPixFmt_YUV444bX, FALSE, 16 },
{ AV_PIX_FMT_XYZ12LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_XYZ12BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_NV16, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_NV20LE, LAVPixFmt_YUV422bX, TRUE, 10 },
{ AV_PIX_FMT_NV20BE, LAVPixFmt_YUV422bX, TRUE, 10 },
{ AV_PIX_FMT_RGBA64BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_RGBA64LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_BGRA64BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_BGRA64LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_NV16, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_YA16BE, LAVPixFmt_YUV420bX, TRUE, 16 },
{ AV_PIX_FMT_YA16LE, LAVPixFmt_YUV420bX, TRUE, 16 },
{ AV_PIX_FMT_GBRAP, LAVPixFmt_ARGB32, TRUE },
{ AV_PIX_FMT_GBRAP16BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRAP16LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_0RGB, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_RGB0, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_0BGR, LAVPixFmt_RGB32, TRUE },
{ AV_PIX_FMT_BGR0, LAVPixFmt_RGB32, FALSE },
{ AV_PIX_FMT_YUV420P12BE, LAVPixFmt_YUV420bX, TRUE, 12 },
{ AV_PIX_FMT_YUV420P12LE, LAVPixFmt_YUV420bX, FALSE, 12 },
{ AV_PIX_FMT_YUV420P14BE, LAVPixFmt_YUV420bX, TRUE, 14 },
{ AV_PIX_FMT_YUV420P14LE, LAVPixFmt_YUV420bX, FALSE, 14 },
{ AV_PIX_FMT_YUV422P12BE, LAVPixFmt_YUV422bX, TRUE, 12 },
{ AV_PIX_FMT_YUV422P12LE, LAVPixFmt_YUV422bX, FALSE, 12 },
{ AV_PIX_FMT_YUV422P14BE, LAVPixFmt_YUV422bX, TRUE, 14 },
{ AV_PIX_FMT_YUV422P14LE, LAVPixFmt_YUV422bX, FALSE, 14 },
{ AV_PIX_FMT_YUV444P12BE, LAVPixFmt_YUV444bX, TRUE, 12 },
{ AV_PIX_FMT_YUV444P12LE, LAVPixFmt_YUV444bX, FALSE, 12 },
{ AV_PIX_FMT_YUV444P14BE, LAVPixFmt_YUV444bX, TRUE, 14 },
{ AV_PIX_FMT_YUV444P14LE, LAVPixFmt_YUV444bX, FALSE, 14 },
{ AV_PIX_FMT_GBRP12BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP12LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP14BE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_GBRP14LE, LAVPixFmt_RGB48, TRUE },
{ AV_PIX_FMT_YUVJ411P, LAVPixFmt_YUV422, TRUE },
{ AV_PIX_FMT_YUV440P10LE, LAVPixFmt_YUV444bX, TRUE, 10 },
{ AV_PIX_FMT_YUV440P10BE, LAVPixFmt_YUV444bX, TRUE, 10 },
{ AV_PIX_FMT_YUV440P12LE, LAVPixFmt_YUV444bX, TRUE, 12 },
{ AV_PIX_FMT_YUV440P12BE, LAVPixFmt_YUV444bX, TRUE, 12 },
{ AV_PIX_FMT_P010LE, LAVPixFmt_P010, FALSE, 10 },
{ AV_PIX_FMT_DXVA2_VLD, LAVPixFmt_DXVA2, FALSE },
};
static AVCodecID ff_interlace_capable[] = {
AV_CODEC_ID_DNXHD,
AV_CODEC_ID_DVVIDEO,
AV_CODEC_ID_FRWU,
AV_CODEC_ID_MJPEG,
AV_CODEC_ID_MPEG4,
AV_CODEC_ID_MPEG2VIDEO,
AV_CODEC_ID_H264,
AV_CODEC_ID_VC1,
AV_CODEC_ID_PNG,
AV_CODEC_ID_PRORES,
AV_CODEC_ID_RAWVIDEO,
AV_CODEC_ID_UTVIDEO
};
static struct PixelFormatMapping getPixFmtMapping(AVPixelFormat pixfmt) {
const PixelFormatMapping def = { pixfmt, LAVPixFmt_YUV420, TRUE, 8 };
PixelFormatMapping result = def;
for (int i = 0; i < countof(ff_pix_map); i++) {
if (ff_pix_map[i].ffpixfmt == pixfmt) {
result = ff_pix_map[i];
break;
}
}
if (result.lavpixfmt != LAVPixFmt_YUV420bX && result.lavpixfmt != LAVPixFmt_YUV422bX && result.lavpixfmt != LAVPixFmt_YUV444bX)
result.bpp = 8;
return result;
}
////////////////////////////////////////////////////////////////////////////////
// AVCodec decoder implementation
////////////////////////////////////////////////////////////////////////////////
CDecAvcodec::CDecAvcodec(void)
: CDecBase()
{
}
CDecAvcodec::~CDecAvcodec(void)
{
DestroyDecoder();
}
// ILAVDecoder
STDMETHODIMP CDecAvcodec::Init()
{
#ifdef DEBUG
DbgSetModuleLevel (LOG_CUSTOM1, DWORD_MAX); // FFMPEG messages use custom1
av_log_set_callback(lavf_log_callback);
#else
av_log_set_callback(nullptr);
#endif
avcodec_register_all();
return S_OK;
}
STDMETHODIMP CDecAvcodec::InitDecoder(AVCodecID codec, const CMediaType *pmt)
{
DestroyDecoder();
DbgLog((LOG_TRACE, 10, L"Initializing ffmpeg for codec %S", avcodec_get_name(codec)));
BITMAPINFOHEADER *pBMI = nullptr;
videoFormatTypeHandler((const BYTE *)pmt->Format(), pmt->FormatType(), &pBMI);
m_pAVCodec = avcodec_find_decoder(codec);
CheckPointer(m_pAVCodec, VFW_E_UNSUPPORTED_VIDEO);
m_pAVCtx = avcodec_alloc_context3(m_pAVCodec);
CheckPointer(m_pAVCtx, E_POINTER);
if( codec == AV_CODEC_ID_MPEG1VIDEO
|| codec == AV_CODEC_ID_MPEG2VIDEO
|| pmt->subtype == MEDIASUBTYPE_H264
|| pmt->subtype == MEDIASUBTYPE_h264
|| pmt->subtype == MEDIASUBTYPE_X264
|| pmt->subtype == MEDIASUBTYPE_x264
|| pmt->subtype == MEDIASUBTYPE_H264_bis
|| pmt->subtype == MEDIASUBTYPE_HEVC) {
m_pParser = av_parser_init(codec);
}
DWORD dwDecFlags = m_pCallback->GetDecodeFlags();
LONG biRealWidth = pBMI->biWidth, biRealHeight = pBMI->biHeight;
if (pmt->formattype == FORMAT_VideoInfo || pmt->formattype == FORMAT_MPEGVideo) {
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER *)pmt->Format();
if (vih->rcTarget.right != 0 && vih->rcTarget.bottom != 0) {
biRealWidth = vih->rcTarget.right;
biRealHeight = vih->rcTarget.bottom;
}
} else if (pmt->formattype == FORMAT_VideoInfo2 || pmt->formattype == FORMAT_MPEG2Video) {
VIDEOINFOHEADER2 *vih2 = (VIDEOINFOHEADER2 *)pmt->Format();
if (vih2->rcTarget.right != 0 && vih2->rcTarget.bottom != 0) {
biRealWidth = vih2->rcTarget.right;
biRealHeight = vih2->rcTarget.bottom;
}
}
m_pAVCtx->codec_id = codec;
m_pAVCtx->codec_tag = pBMI->biCompression;
m_pAVCtx->coded_width = pBMI->biWidth;
m_pAVCtx->coded_height = abs(pBMI->biHeight);
m_pAVCtx->bits_per_coded_sample = pBMI->biBitCount;
m_pAVCtx->err_recognition = 0;
m_pAVCtx->workaround_bugs = FF_BUG_AUTODETECT | FF_BUG_X264_LOSSLESS;
m_pAVCtx->refcounted_frames = 1;
// Setup threading
// Thread Count. 0 = auto detect
int thread_count = m_pSettings->GetNumThreads();
if (thread_count == 0) {
thread_count = av_cpu_count() * 3 / 2;
}
m_pAVCtx->thread_count = max(1, min(thread_count, AVCODEC_MAX_THREADS));
if (dwDecFlags & LAV_VIDEO_DEC_FLAG_NO_MT || codec == AV_CODEC_ID_MPEG4) {
m_pAVCtx->thread_count = 1;
}
m_pFrame = av_frame_alloc();
CheckPointer(m_pFrame, E_POINTER);
// Process Extradata
BYTE *extra = nullptr;
size_t extralen = 0;
getExtraData(*pmt, nullptr, &extralen);
BOOL bH264avc = FALSE;
if (pmt->formattype == FORMAT_MPEG2Video && (m_pAVCtx->codec_tag == MAKEFOURCC('a','v','c','1') || m_pAVCtx->codec_tag == MAKEFOURCC('A','V','C','1') || m_pAVCtx->codec_tag == MAKEFOURCC('C','C','V','1'))) {
// Reconstruct AVC1 extradata format
DbgLog((LOG_TRACE, 10, L"-> Processing AVC1 extradata of %d bytes", extralen));
MPEG2VIDEOINFO *mp2vi = (MPEG2VIDEOINFO *)pmt->Format();
extralen += 7;
extra = (uint8_t *)av_mallocz(extralen + FF_INPUT_BUFFER_PADDING_SIZE);
extra[0] = 1;
extra[1] = (BYTE)mp2vi->dwProfile;
extra[2] = 0;
extra[3] = (BYTE)mp2vi->dwLevel;
extra[4] = (BYTE)(mp2vi->dwFlags ? mp2vi->dwFlags : 4) - 1;
// only process extradata if available
uint8_t ps_count = 0;
if (extralen > 7) {
// Actually copy the metadata into our new buffer
size_t actual_len;
getExtraData(*pmt, extra + 6, &actual_len);
// Count the number of SPS/PPS in them and set the length
// We'll put them all into one block and add a second block with 0 elements afterwards
// The parsing logic does not care what type they are, it just expects 2 blocks.
BYTE *p = extra + 6, *end = extra + 6 + actual_len;
BOOL bSPS = FALSE, bPPS = FALSE;
while (p + 1 < end) {
unsigned len = (((unsigned)p[0] << 8) | p[1]) + 2;
if (p + len > end) {
break;
}
if ((p[2] & 0x1F) == 7)
bSPS = TRUE;
if ((p[2] & 0x1F) == 8)
bPPS = TRUE;
ps_count++;
p += len;
}
}
extra[5] = ps_count;
extra[extralen - 1] = 0;
bH264avc = TRUE;
m_pAVCtx->extradata = extra;
m_pAVCtx->extradata_size = (int)extralen;
} else if (extralen > 0) {
DbgLog((LOG_TRACE, 10, L"-> Processing extradata of %d bytes", extralen));
if (pmt->subtype == MEDIASUBTYPE_LAV_RAWVIDEO) {
if (extralen < sizeof(m_pAVCtx->pix_fmt)) {
DbgLog((LOG_TRACE, 10, L"-> LAV RAW Video extradata is missing.."));
} else {
extra = (uint8_t *)av_mallocz(extralen + FF_INPUT_BUFFER_PADDING_SIZE);
getExtraData(*pmt, extra, nullptr);
m_pAVCtx->pix_fmt = *(AVPixelFormat *)extra;
extralen -= sizeof(AVPixelFormat);
memmove(extra, extra+sizeof(AVPixelFormat), extralen);
}
} else {
// Just copy extradata for other formats
extra = (uint8_t *)av_mallocz(extralen + FF_INPUT_BUFFER_PADDING_SIZE);
getExtraData(*pmt, extra, nullptr);
}
// Hack to discard invalid MP4 metadata with AnnexB style video
if (codec == AV_CODEC_ID_H264 && !bH264avc && extra && extra[0] == 1) {
av_freep(&extra);
extralen = 0;
}
m_pAVCtx->extradata = extra;
m_pAVCtx->extradata_size = (int)extralen;
} else {
if (codec == AV_CODEC_ID_VP6 || codec == AV_CODEC_ID_VP6A || codec == AV_CODEC_ID_VP6F) {
int cropH = pBMI->biWidth - biRealWidth;
int cropV = pBMI->biHeight - biRealHeight;
if (cropH >= 0 && cropH <= 0x0f && cropV >= 0 && cropV <= 0x0f) {
m_pAVCtx->extradata = (uint8_t *)av_mallocz(1 + FF_INPUT_BUFFER_PADDING_SIZE);
m_pAVCtx->extradata_size = 1;
m_pAVCtx->extradata[0] = (cropH << 4) | cropV;
}
}
}
m_CurrentThread = 0;
m_rtStartCache = AV_NOPTS_VALUE;
LAVPinInfo lavPinInfo = {0};
BOOL bLAVInfoValid = SUCCEEDED(m_pCallback->GetLAVPinInfo(lavPinInfo));
m_bInputPadded = dwDecFlags & LAV_VIDEO_DEC_FLAG_LAVSPLITTER;
// Setup codec-specific timing logic
// MPEG-4 with VideoInfo/2 is from AVI, and only DTS
if (codec == AV_CODEC_ID_MPEG4 && pmt->formattype != FORMAT_MPEG2Video)
dwDecFlags |= LAV_VIDEO_DEC_FLAG_ONLY_DTS;
// RealVideo is only DTS
if (codec == AV_CODEC_ID_RV10 || codec == AV_CODEC_ID_RV20 || codec == AV_CODEC_ID_RV30 || codec == AV_CODEC_ID_RV40)
dwDecFlags |= LAV_VIDEO_DEC_FLAG_ONLY_DTS;
// H.264 without B frames should use reordering for proper delay handling
if (codec == AV_CODEC_ID_H264 && bLAVInfoValid && lavPinInfo.has_b_frames == 0) {
dwDecFlags &= ~LAV_VIDEO_DEC_FLAG_ONLY_DTS;
}
// Use ffmpegs logic to reorder timestamps
// This is required for H264 content (except AVI), and generally all codecs that use frame threading
m_bFFReordering = !(dwDecFlags & LAV_VIDEO_DEC_FLAG_ONLY_DTS) && (
(m_pAVCodec->capabilities & CODEC_CAP_FRAME_THREADS) // Covers most modern codecs, others listed above
|| codec == AV_CODEC_ID_MPEG2VIDEO
|| codec == AV_CODEC_ID_MPEG1VIDEO
|| codec == AV_CODEC_ID_DIRAC
|| codec == AV_CODEC_ID_VC1
);
// Stop time is unreliable, drop it and calculate it
m_bCalculateStopTime = (codec == AV_CODEC_ID_H264 || codec == AV_CODEC_ID_DIRAC || (codec == AV_CODEC_ID_MPEG4 && pmt->formattype == FORMAT_MPEG2Video) || (codec == AV_CODEC_ID_VC1 && !(dwDecFlags & LAV_VIDEO_DEC_FLAG_ONLY_DTS)));
// Real Video content has some odd timestamps
// LAV Splitter does them allright with RV30/RV40, everything else screws them up
m_bRVDropBFrameTimings = (codec == AV_CODEC_ID_RV10 || codec == AV_CODEC_ID_RV20 || ((codec == AV_CODEC_ID_RV30 || codec == AV_CODEC_ID_RV40) && (!(dwDecFlags & LAV_VIDEO_DEC_FLAG_LAVSPLITTER) || (bLAVInfoValid && (lavPinInfo.flags & LAV_STREAM_FLAG_RV34_MKV)))));
// Enable B-Frame delay handling
m_bBFrameDelay = !m_bFFReordering && !m_bRVDropBFrameTimings;
m_bWaitingForKeyFrame = TRUE;
m_bResumeAtKeyFrame = codec == AV_CODEC_ID_MPEG2VIDEO
|| codec == AV_CODEC_ID_VC1
|| codec == AV_CODEC_ID_VC1IMAGE
|| codec == AV_CODEC_ID_WMV3
|| codec == AV_CODEC_ID_WMV3IMAGE
|| codec == AV_CODEC_ID_RV30
|| codec == AV_CODEC_ID_RV40
|| codec == AV_CODEC_ID_VP3
|| codec == AV_CODEC_ID_THEORA
|| codec == AV_CODEC_ID_MPEG4;
m_bHasPalette = m_pAVCtx->bits_per_coded_sample <= 8 && m_pAVCtx->extradata_size && !(dwDecFlags & LAV_VIDEO_DEC_FLAG_LAVSPLITTER)
&& (codec == AV_CODEC_ID_MSVIDEO1
|| codec == AV_CODEC_ID_MSRLE
|| codec == AV_CODEC_ID_CINEPAK
|| codec == AV_CODEC_ID_8BPS
|| codec == AV_CODEC_ID_QPEG
|| codec == AV_CODEC_ID_QTRLE
|| codec == AV_CODEC_ID_TSCC);
if (FAILED(AdditionaDecoderInit())) {
return E_FAIL;
}
if (bLAVInfoValid) {
// Setting has_b_frames to a proper value will ensure smoother decoding of H264
if (lavPinInfo.has_b_frames >= 0) {
DbgLog((LOG_TRACE, 10, L"-> Setting has_b_frames to %d", lavPinInfo.has_b_frames));
m_pAVCtx->has_b_frames = lavPinInfo.has_b_frames;
}
}
// Open the decoder
m_bInInit = TRUE;
int ret = avcodec_open2(m_pAVCtx, m_pAVCodec, nullptr);
m_bInInit = FALSE;
if (ret >= 0) {
DbgLog((LOG_TRACE, 10, L"-> ffmpeg codec opened successfully (ret: %d)", ret));
m_nCodecId = codec;
} else {
DbgLog((LOG_TRACE, 10, L"-> ffmpeg codec failed to open (ret: %d)", ret));
DestroyDecoder();
return VFW_E_UNSUPPORTED_VIDEO;
}
m_iInterlaced = 0;
for (int i = 0; i < countof(ff_interlace_capable); i++) {
if (codec == ff_interlace_capable[i]) {
m_iInterlaced = -1;
break;
}
}
// Detect chroma and interlaced
if (m_pAVCtx->extradata && m_pAVCtx->extradata_size) {
if (codec == AV_CODEC_ID_MPEG2VIDEO) {
CMPEG2HeaderParser mpeg2Parser(extra, extralen);
if (mpeg2Parser.hdr.valid) {
if (mpeg2Parser.hdr.chroma < 2) {
m_pAVCtx->pix_fmt = AV_PIX_FMT_YUV420P;
} else if (mpeg2Parser.hdr.chroma == 2) {
m_pAVCtx->pix_fmt = AV_PIX_FMT_YUV422P;
}
m_iInterlaced = mpeg2Parser.hdr.interlaced;
}
} else if (codec == AV_CODEC_ID_H264) {
CH264SequenceParser h264parser;
if (bH264avc)
h264parser.ParseNALs(extra+6, extralen-6, 2);
else
h264parser.ParseNALs(extra, extralen, 0);
if (h264parser.sps.valid)
m_iInterlaced = h264parser.sps.interlaced;
} else if (codec == AV_CODEC_ID_VC1) {
CVC1HeaderParser vc1parser(extra, extralen);
if (vc1parser.hdr.valid)
m_iInterlaced = (vc1parser.hdr.interlaced ? -1 : 0);
}
}
if (codec == AV_CODEC_ID_DNXHD)
m_pAVCtx->pix_fmt = AV_PIX_FMT_YUV422P10;
else if (codec == AV_CODEC_ID_FRAPS)
m_pAVCtx->pix_fmt = AV_PIX_FMT_BGR24;
if (bLAVInfoValid && codec != AV_CODEC_ID_FRAPS && m_pAVCtx->pix_fmt != AV_PIX_FMT_DXVA2_VLD)
m_pAVCtx->pix_fmt = lavPinInfo.pix_fmt;
DbgLog((LOG_TRACE, 10, L"AVCodec init successfull. interlaced: %d", m_iInterlaced));
return S_OK;
}
STDMETHODIMP CDecAvcodec::DestroyDecoder()
{
m_pAVCodec = nullptr;
if (m_pParser) {
av_parser_close(m_pParser);
m_pParser = nullptr;
}
if (m_pAVCtx) {
avcodec_close(m_pAVCtx);
av_freep(&m_pAVCtx->hwaccel_context);
av_freep(&m_pAVCtx->extradata);
av_freep(&m_pAVCtx);
}
av_frame_free(&m_pFrame);
av_freep(&m_pFFBuffer);
m_nFFBufferSize = 0;
av_freep(&m_pFFBuffer2);
m_nFFBufferSize2 = 0;
if (m_pSwsContext) {
sws_freeContext(m_pSwsContext);
m_pSwsContext = nullptr;
}
m_nCodecId = AV_CODEC_ID_NONE;
return S_OK;
}
static void lav_avframe_free(LAVFrame *frame)
{
ASSERT(frame->priv_data);
av_frame_free((AVFrame **)&frame->priv_data);
}
STDMETHODIMP CDecAvcodec::Decode(const BYTE *buffer, int buflen, REFERENCE_TIME rtStartIn, REFERENCE_TIME rtStopIn, BOOL bSyncPoint, BOOL bDiscontinuity, IMediaSample *pSample)
{
CheckPointer(m_pAVCtx, E_UNEXPECTED);
int got_picture = 0;
int used_bytes = 0;
BOOL bFlush = (buffer == nullptr);
BOOL bEndOfSequence = FALSE;
AVPacket avpkt;
av_init_packet(&avpkt);
if (m_pAVCtx->active_thread_type & FF_THREAD_FRAME) {
if (!m_bFFReordering) {
m_tcThreadBuffer[m_CurrentThread].rtStart = rtStartIn;
m_tcThreadBuffer[m_CurrentThread].rtStop = rtStopIn;
}
m_CurrentThread = (m_CurrentThread + 1) % m_pAVCtx->thread_count;
} else if (m_bBFrameDelay) {
m_tcBFrameDelay[m_nBFramePos].rtStart = rtStartIn;
m_tcBFrameDelay[m_nBFramePos].rtStop = rtStopIn;
m_nBFramePos = !m_nBFramePos;
}
uint8_t *pDataBuffer = nullptr;
if (!bFlush && buflen > 0) {
if (!m_bInputPadded && (!(m_pAVCtx->active_thread_type & FF_THREAD_FRAME) || m_pParser)) {
// Copy bitstream into temporary buffer to ensure overread protection
// Verify buffer size
if (buflen > m_nFFBufferSize) {
m_nFFBufferSize = buflen;
m_pFFBuffer = (BYTE *)av_realloc_f(m_pFFBuffer, m_nFFBufferSize + FF_INPUT_BUFFER_PADDING_SIZE, 1);
if (!m_pFFBuffer) {
m_nFFBufferSize = 0;
return E_OUTOFMEMORY;
}
}
memcpy(m_pFFBuffer, buffer, buflen);
memset(m_pFFBuffer+buflen, 0, FF_INPUT_BUFFER_PADDING_SIZE);
pDataBuffer = m_pFFBuffer;
} else {
pDataBuffer = (uint8_t *)buffer;
}
if (m_nCodecId == AV_CODEC_ID_VP8 && m_bWaitingForKeyFrame) {
if (!(pDataBuffer[0] & 1)) {
DbgLog((LOG_TRACE, 10, L"::Decode(): Found VP8 key-frame, resuming decoding"));
m_bWaitingForKeyFrame = FALSE;
} else {
return S_OK;
}
}
}
while (buflen > 0 || bFlush) {
REFERENCE_TIME rtStart = rtStartIn, rtStop = rtStopIn;
if (!bFlush) {
avpkt.data = pDataBuffer;
avpkt.size = buflen;
avpkt.pts = rtStartIn;
if (rtStartIn != AV_NOPTS_VALUE && rtStopIn != AV_NOPTS_VALUE)
avpkt.duration = (int)(rtStopIn - rtStartIn);
else
avpkt.duration = 0;
avpkt.flags = AV_PKT_FLAG_KEY;
if (m_bHasPalette) {
m_bHasPalette = FALSE;
uint32_t *pal = (uint32_t *)av_packet_new_side_data(&avpkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE);
int pal_size = FFMIN((1 << m_pAVCtx->bits_per_coded_sample) << 2, m_pAVCtx->extradata_size);
uint8_t *pal_src = m_pAVCtx->extradata + m_pAVCtx->extradata_size - pal_size;
for (int i = 0; i < pal_size/4; i++)
pal[i] = 0xFF<<24 | AV_RL32(pal_src+4*i);
}
} else {
avpkt.data = nullptr;
avpkt.size = 0;
}
// Parse the data if a parser is present
// This is mandatory for MPEG-1/2
if (m_pParser) {
BYTE *pOut = nullptr;
int pOut_size = 0;
used_bytes = av_parser_parse2(m_pParser, m_pAVCtx, &pOut, &pOut_size, avpkt.data, avpkt.size, AV_NOPTS_VALUE, AV_NOPTS_VALUE, 0);
if (used_bytes == 0 && pOut_size == 0 && !bFlush) {
DbgLog((LOG_TRACE, 50, L"::Decode() - could not process buffer, starving?"));
break;
} else if (used_bytes > 0) {
buflen -= used_bytes;
pDataBuffer += used_bytes;
}
// Update start time cache
// If more data was read then output, update the cache (incomplete frame)
// If output is bigger, a frame was completed, update the actual rtStart with the cached value, and then overwrite the cache
if (used_bytes > pOut_size) {
if (rtStartIn != AV_NOPTS_VALUE)
m_rtStartCache = rtStartIn;
} else if (used_bytes == pOut_size || ((used_bytes + 9) == pOut_size)) {
// Why +9 above?
// Well, apparently there are some broken MKV muxers that like to mux the MPEG-2 PICTURE_START_CODE block (which is 9 bytes) in the package with the previous frame
// This would cause the frame timestamps to be delayed by one frame exactly, and cause timestamp reordering to go wrong.
// So instead of failing on those samples, lets just assume that 9 bytes are that case exactly.
m_rtStartCache = rtStartIn = AV_NOPTS_VALUE;
} else if (pOut_size > used_bytes) {
rtStart = m_rtStartCache;
m_rtStartCache = rtStartIn;
// The value was used once, don't use it for multiple frames, that ends up in weird timings
rtStartIn = AV_NOPTS_VALUE;
}
if (pOut_size > 0 || bFlush) {
if (pOut && pOut_size > 0) {
if (pOut_size > m_nFFBufferSize2) {
m_nFFBufferSize2 = pOut_size;
m_pFFBuffer2 = (BYTE *)av_realloc_f(m_pFFBuffer2, m_nFFBufferSize2 + FF_INPUT_BUFFER_PADDING_SIZE, 1);
if (!m_pFFBuffer2) {
m_nFFBufferSize2 = 0;
av_packet_unref(&avpkt);
return E_OUTOFMEMORY;
}
}
memcpy(m_pFFBuffer2, pOut, pOut_size);
memset(m_pFFBuffer2+pOut_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
avpkt.data = m_pFFBuffer2;
avpkt.size = pOut_size;
avpkt.pts = rtStart;
avpkt.duration = 0;
int state = CheckForSequenceMarkers(m_nCodecId, avpkt.data, avpkt.size, &m_MpegParserState);
if (state & STATE_EOS_FOUND) {
bEndOfSequence = TRUE;
}
if (state & STATE_GOP_FOUND && m_nCodecId == AV_CODEC_ID_MPEG2VIDEO) {
m_bWaitingForKeyFrame = FALSE;
}
} else {
avpkt.data = nullptr;
avpkt.size = 0;
}
int ret2 = avcodec_decode_video2 (m_pAVCtx, m_pFrame, &got_picture, &avpkt);
if (ret2 < 0) {
DbgLog((LOG_TRACE, 50, L"::Decode() - decoding failed despite successfull parsing"));
got_picture = 0;
}
} else {
got_picture = 0;
}
} else {
used_bytes = avcodec_decode_video2 (m_pAVCtx, m_pFrame, &got_picture, &avpkt);
buflen = 0;
}
if (FAILED(PostDecode())) {
av_frame_unref(m_pFrame);
av_packet_unref(&avpkt);
return E_FAIL;
}
// Decoding of this frame failed ... oh well!
if (used_bytes < 0) {
av_frame_unref(m_pFrame);
av_packet_unref(&avpkt);
return S_OK;
}
// Judge frame usability
// This determines if a frame is artifact free and can be delivered.
if (m_bResumeAtKeyFrame) {
if (m_bWaitingForKeyFrame && got_picture) {
if (m_pFrame->key_frame) {
DbgLog((LOG_TRACE, 50, L"::Decode() - Found Key-Frame, resuming decoding at %I64d", m_pFrame->pkt_pts));
m_bWaitingForKeyFrame = FALSE;
} else {
got_picture = 0;
}
}
}
// Handle B-frame delay for frame threading codecs
if ((m_pAVCtx->active_thread_type & FF_THREAD_FRAME) && m_bBFrameDelay) {
m_tcBFrameDelay[m_nBFramePos] = m_tcThreadBuffer[m_CurrentThread];
m_nBFramePos = !m_nBFramePos;
}
if (!got_picture || !m_pFrame->data[0]) {
if (!avpkt.size)
bFlush = FALSE; // End flushing, no more frames
av_frame_unref(m_pFrame);
av_packet_unref(&avpkt);
continue;
}
av_packet_unref(&avpkt);
///////////////////////////////////////////////////////////////////////////////////////////////
// Determine the proper timestamps for the frame, based on different possible flags.
///////////////////////////////////////////////////////////////////////////////////////////////
if (m_bFFReordering) {
rtStart = m_pFrame->pkt_pts;
if (m_pFrame->pkt_duration)
rtStop = m_pFrame->pkt_pts + m_pFrame->pkt_duration;
else
rtStop = AV_NOPTS_VALUE;
} else if (m_bBFrameDelay && m_pAVCtx->has_b_frames) {
rtStart = m_tcBFrameDelay[m_nBFramePos].rtStart;
rtStop = m_tcBFrameDelay[m_nBFramePos].rtStop;
} else if (m_pAVCtx->active_thread_type & FF_THREAD_FRAME) {
unsigned index = m_CurrentThread;
rtStart = m_tcThreadBuffer[index].rtStart;
rtStop = m_tcThreadBuffer[index].rtStop;
}
if (m_bRVDropBFrameTimings && m_pFrame->pict_type == AV_PICTURE_TYPE_B) {
rtStart = AV_NOPTS_VALUE;
}
if (m_bCalculateStopTime)
rtStop = AV_NOPTS_VALUE;
///////////////////////////////////////////////////////////////////////////////////////////////
// All required values collected, deliver the frame
///////////////////////////////////////////////////////////////////////////////////////////////
LAVFrame *pOutFrame = nullptr;
AllocateFrame(&pOutFrame);
AVRational display_aspect_ratio;
int64_t num = (int64_t)m_pFrame->sample_aspect_ratio.num * m_pFrame->width;
int64_t den = (int64_t)m_pFrame->sample_aspect_ratio.den * m_pFrame->height;
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, num, den, INT_MAX);
pOutFrame->width = m_pFrame->width;
pOutFrame->height = m_pFrame->height;
pOutFrame->aspect_ratio = display_aspect_ratio;
pOutFrame->repeat = m_pFrame->repeat_pict;
pOutFrame->key_frame = m_pFrame->key_frame;
pOutFrame->frame_type = av_get_picture_type_char(m_pFrame->pict_type);
pOutFrame->ext_format = GetDXVA2ExtendedFlags(m_pAVCtx, m_pFrame);
if (m_pFrame->interlaced_frame || (!m_pAVCtx->progressive_sequence && (m_nCodecId == AV_CODEC_ID_H264 || m_nCodecId == AV_CODEC_ID_MPEG2VIDEO)))
m_iInterlaced = 1;
else if (m_pAVCtx->progressive_sequence)
m_iInterlaced = 0;
if ((m_nCodecId == AV_CODEC_ID_H264 || m_nCodecId == AV_CODEC_ID_MPEG2VIDEO) && m_pFrame->repeat_pict)
m_nSoftTelecine = 2;
else if (m_nSoftTelecine > 0)
m_nSoftTelecine--;
// Don't apply aggressive deinterlacing to content that looks soft-telecined, as it would destroy the content
bool bAggressiveFlag = (m_iInterlaced == 1 && m_pSettings->GetDeinterlacingMode() == DeintMode_Aggressive) && !m_nSoftTelecine;
pOutFrame->interlaced = (m_pFrame->interlaced_frame || bAggressiveFlag || m_pSettings->GetDeinterlacingMode() == DeintMode_Force) && !(m_pSettings->GetDeinterlacingMode() == DeintMode_Disable);
LAVDeintFieldOrder fo = m_pSettings->GetDeintFieldOrder();
pOutFrame->tff = (fo == DeintFieldOrder_Auto) ? m_pFrame->top_field_first : (fo == DeintFieldOrder_TopFieldFirst);
pOutFrame->rtStart = rtStart;
pOutFrame->rtStop = rtStop;
PixelFormatMapping map = getPixFmtMapping((AVPixelFormat)m_pFrame->format);
pOutFrame->format = map.lavpixfmt;
pOutFrame->bpp = map.bpp;
if (m_nCodecId == AV_CODEC_ID_MPEG2VIDEO || m_nCodecId == AV_CODEC_ID_MPEG1VIDEO)
pOutFrame->avgFrameDuration = GetFrameDuration();
AVFrameSideData * sdHDR = av_frame_get_side_data(m_pFrame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
if (sdHDR) {
if (sdHDR->size == sizeof(AVMasteringDisplayMetadata)) {
AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sdHDR->data;
MediaSideDataHDR * hdr = (MediaSideDataHDR *)AddLAVFrameSideData(pOutFrame, IID_MediaSideDataHDR, sizeof(MediaSideDataHDR));
if (hdr) {
// avcodec exports the display primaries in RGB order, we export them in GBR
hdr->display_primaries_x[0] = av_q2d(metadata->display_primaries[1][0]);
hdr->display_primaries_y[0] = av_q2d(metadata->display_primaries[1][1]);
hdr->display_primaries_x[1] = av_q2d(metadata->display_primaries[2][0]);
hdr->display_primaries_y[1] = av_q2d(metadata->display_primaries[2][1]);
hdr->display_primaries_x[2] = av_q2d(metadata->display_primaries[0][0]);
hdr->display_primaries_y[2] = av_q2d(metadata->display_primaries[0][1]);
hdr->white_point_x = av_q2d(metadata->white_point[0]);
hdr->white_point_y = av_q2d(metadata->white_point[1]);
hdr->max_display_mastering_luminance = av_q2d(metadata->max_luminance);
hdr->min_display_mastering_luminance = av_q2d(metadata->min_luminance);
}
}
else {
DbgLog((LOG_TRACE, 10, L"::Decode(): Found HDR data of an unexpected size (%d)", sdHDR->size));
}
}
if (map.conversion) {
ConvertPixFmt(m_pFrame, pOutFrame);
} else {
AVFrame *pFrameRef = av_frame_alloc();
av_frame_ref(pFrameRef, m_pFrame);
for (int i = 0; i < 4; i++) {
pOutFrame->data[i] = pFrameRef->data[i];
pOutFrame->stride[i] = pFrameRef->linesize[i];
}
pOutFrame->priv_data = pFrameRef;
pOutFrame->destruct = lav_avframe_free;
// Check alignment on rawvideo, which can be off depending on the source file
if (m_nCodecId == AV_CODEC_ID_RAWVIDEO) {
for (int i = 0; i < 4; i++) {
if ((intptr_t)pOutFrame->data[i] % 16u || pOutFrame->stride[i] % 16u) {
// copy the frame, its not aligned properly and would crash later
CopyLAVFrameInPlace(pOutFrame);
break;
}
}
}
}
if (bEndOfSequence)
pOutFrame->flags |= LAV_FRAME_FLAG_END_OF_SEQUENCE;
if (pOutFrame->format == LAVPixFmt_DXVA2) {
pOutFrame->data[0] = m_pFrame->data[4];
HandleDXVA2Frame(pOutFrame);
} else {
Deliver(pOutFrame);
}
if (bEndOfSequence) {
bEndOfSequence = FALSE;
if (pOutFrame->format == LAVPixFmt_DXVA2) {
HandleDXVA2Frame(m_pCallback->GetFlushFrame());
} else {
Deliver(m_pCallback->GetFlushFrame());
}
}
if (bFlush) {
m_CurrentThread = (m_CurrentThread + 1) % m_pAVCtx->thread_count;
}
av_frame_unref(m_pFrame);
}
av_packet_unref(&avpkt);
return S_OK;
}
STDMETHODIMP CDecAvcodec::Flush()
{
if (m_pAVCtx && avcodec_is_open(m_pAVCtx)) {
avcodec_flush_buffers(m_pAVCtx);