bool CDVDVideoCodecFFmpeg::Open(CDVDStreamInfo &hints, CDVDCodecOptions &options)
{
AVCodec* pCodec;
if(!m_dllAvUtil.Load()
|| !m_dllAvCodec.Load()
|| !m_dllSwScale.Load()
|| !m_dllAvFilter.Load()
) return false;
m_dllAvCodec.avcodec_register_all();
m_dllAvFilter.avfilter_register_all();
m_bSoftware = hints.software;
m_pCodecContext = m_dllAvCodec.avcodec_alloc_context();
pCodec = NULL;
if (hints.codec == CODEC_ID_H264)
{
switch(hints.profile)
{
case FF_PROFILE_H264_HIGH_10:
case FF_PROFILE_H264_HIGH_10_INTRA:
case FF_PROFILE_H264_HIGH_422:
case FF_PROFILE_H264_HIGH_422_INTRA:
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
case FF_PROFILE_H264_HIGH_444_INTRA:
case FF_PROFILE_H264_CAVLC_444:
m_bSoftware = true;
break;
}
}
#ifdef HAVE_LIBVDPAU
if(g_guiSettings.GetBool("videoplayer.usevdpau") && !m_bSoftware)
{
while((pCodec = m_dllAvCodec.av_codec_next(pCodec)))
{
if(pCodec->id == hints.codec
&& pCodec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
{
if ((pCodec->id == CODEC_ID_MPEG4) && !g_advancedSettings.m_videoAllowMpeg4VDPAU)
continue;
CLog::Log(LOGNOTICE,"CDVDVideoCodecFFmpeg::Open() Creating VDPAU(%ix%i, %d)",hints.width, hints.height, hints.codec);
VDPAU::CDecoder* vdp = new VDPAU::CDecoder();
m_pCodecContext->codec_id = hints.codec;
m_pCodecContext->width = hints.width;
m_pCodecContext->height = hints.height;
m_pCodecContext->coded_width = hints.width;
m_pCodecContext->coded_height = hints.height;
// check number of surfaces used in renderer
unsigned int surfaces = 0;
for(CDVDCodecOptions::iterator it = options.begin(); it != options.end(); it++)
{
if (it->m_name == "surfaces")
{
surfaces = std::atoi(it->m_value.c_str());
break;
}
}
if(vdp->Open(m_pCodecContext, pCodec->pix_fmts ? pCodec->pix_fmts[0] : PIX_FMT_NONE, surfaces))
{
m_pHardware = vdp;
m_pCodecContext->codec_id = CODEC_ID_NONE; // ffmpeg will complain if this has been set
break;
}
m_pCodecContext->codec_id = CODEC_ID_NONE; // ffmpeg will complain if this has been set
CLog::Log(LOGNOTICE,"CDVDVideoCodecFFmpeg::Open() Failed to get VDPAU device");
vdp->Release();
}
}
}
#endif
if(pCodec == NULL)
pCodec = m_dllAvCodec.avcodec_find_decoder(hints.codec);
if(pCodec == NULL)
{
CLog::Log(LOGDEBUG,"CDVDVideoCodecFFmpeg::Open() Unable to find codec %d", hints.codec);
return false;
}
CLog::Log(LOGNOTICE,"CDVDVideoCodecFFmpeg::Open() Using codec: %s",pCodec->long_name ? pCodec->long_name : pCodec->name);
m_pCodecContext->opaque = (void*)this;
m_pCodecContext->debug_mv = 0;
m_pCodecContext->debug = 0;
m_pCodecContext->workaround_bugs = FF_BUG_AUTODETECT;
m_pCodecContext->get_format = GetFormat;
m_pCodecContext->codec_tag = hints.codec_tag;
#if defined(__APPLE__) && defined(__arm__)
// ffmpeg with enabled neon will crash and burn if this is enabled
m_pCodecContext->flags &= CODEC_FLAG_EMU_EDGE;
#else
if (pCodec->id != CODEC_ID_H264 && pCodec->capabilities & CODEC_CAP_DR1
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52,69,0)
&& pCodec->id != CODEC_ID_VP8
#endif
)
m_pCodecContext->flags |= CODEC_FLAG_EMU_EDGE;
#endif
// if we don't do this, then some codecs seem to fail.
m_pCodecContext->coded_height = hints.height;
m_pCodecContext->coded_width = hints.width;
if( hints.extradata && hints.extrasize > 0 )
{
m_pCodecContext->extradata_size = hints.extrasize;
m_pCodecContext->extradata = (uint8_t*)m_dllAvUtil.av_mallocz(hints.extrasize + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(m_pCodecContext->extradata, hints.extradata, hints.extrasize);
}
// set acceleration
m_pCodecContext->dsp_mask = 0;//FF_MM_FORCE | FF_MM_MMX | FF_MM_MMXEXT | FF_MM_SSE;
// advanced setting override for skip loop filter (see avcodec.h for valid options)
// TODO: allow per video setting?
if (g_advancedSettings.m_iSkipLoopFilter != 0)
{
m_pCodecContext->skip_loop_filter = (AVDiscard)g_advancedSettings.m_iSkipLoopFilter;
}
// set any special options
for(CDVDCodecOptions::iterator it = options.begin(); it != options.end(); it++)
{
if (it->m_name == "surfaces")
m_uSurfacesCount = std::atoi(it->m_value.c_str());
else
m_dllAvUtil.av_set_string3(m_pCodecContext, it->m_name.c_str(), it->m_value.c_str(), 0, NULL);
}
int num_threads = std::min(8 /*MAX_THREADS*/, g_cpuInfo.getCPUCount());
if( num_threads > 1 && !hints.software && m_pHardware == NULL // thumbnail extraction fails when run threaded
&& ( pCodec->id == CODEC_ID_H264
|| pCodec->id == CODEC_ID_MPEG4 ))
m_dllAvCodec.avcodec_thread_init(m_pCodecContext, num_threads);
if (m_dllAvCodec.avcodec_open(m_pCodecContext, pCodec) < 0)
{
CLog::Log(LOGDEBUG,"CDVDVideoCodecFFmpeg::Open() Unable to open codec");
return false;
}
m_pFrame = m_dllAvCodec.avcodec_alloc_frame();
if (!m_pFrame) return false;
if(pCodec->name)
m_name = CStdString("ff-") + pCodec->name;
else
m_name = "ffmpeg";
if(m_pHardware)
m_name += "-" + m_pHardware->Name();
return true;
}
bool CDVDVideoCodecFFmpeg::Open(CDVDStreamInfo &hints, CDVDCodecOptions &options)
{
AVCodec* pCodec;
if (!m_dllAvUtil.Load() || !m_dllAvCodec.Load() || !m_dllSwScale.Load()) return false;
m_dllSwScale.sws_rgb2rgb_init(SWS_CPU_CAPS_MMX2);
m_pCodecContext = m_dllAvCodec.avcodec_alloc_context();
// avcodec_get_context_defaults(m_pCodecContext);
pCodec = m_dllAvCodec.avcodec_find_decoder(hints.codec);
if (!pCodec)
{
CLog::Log(LOGDEBUG,"CDVDVideoCodecFFmpeg::Open() Unable to find codec %d", hints.codec);
return false;
}
m_pCodecContext->opaque = (void*)this;
m_pCodecContext->get_buffer = my_get_buffer;
m_pCodecContext->release_buffer = my_release_buffer;
m_pCodecContext->debug_mv = 0;
m_pCodecContext->debug = 0;
m_pCodecContext->workaround_bugs = FF_BUG_AUTODETECT;
/* some decoders (eg. dv) do not know the pix_fmt until they decode the
* first frame. setting to -1 avoid enabling DR1 for them.
*/
m_pCodecContext->pix_fmt = (PixelFormat) - 1;
if (pCodec->id != CODEC_ID_H264 && pCodec->capabilities & CODEC_CAP_DR1)
m_pCodecContext->flags |= CODEC_FLAG_EMU_EDGE;
// Hack to correct wrong frame rates that seem to be generated by some
// codecs
if (m_pCodecContext->time_base.den > 1000 && m_pCodecContext->time_base.num == 1)
m_pCodecContext->time_base.num = 1000;
// if we don't do this, then some codecs seem to fail.
m_pCodecContext->coded_height = hints.height;
m_pCodecContext->coded_width = hints.width;
if( hints.extradata && hints.extrasize > 0 )
{
m_pCodecContext->extradata_size = hints.extrasize;
m_pCodecContext->extradata = (uint8_t*)m_dllAvUtil.av_mallocz(hints.extrasize + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(m_pCodecContext->extradata, hints.extradata, hints.extrasize);
}
// set acceleration
m_pCodecContext->dsp_mask = FF_MM_FORCE | FF_MM_MMX | FF_MM_MMXEXT | FF_MM_SSE;
// This doesn't seem to help with the H.264 MT patch. "Basically, the code decodes
// up to 128 macroblocks in one thread while doing prediction+idct+deblock of the
// previously decoded 128 blocks in another thread." This could explain the lack of
// much difference.
//
//m_pCodecContext->skip_loop_filter = AVDISCARD_BIDIR;
// set any special options
for(CDVDCodecOptions::iterator it = options.begin(); it != options.end(); it++)
{
m_dllAvCodec.av_set_string(m_pCodecContext, it->m_name.c_str(), it->m_value.c_str());
}
#ifdef _LINUX
int num_threads = std::min(8 /*MAX_THREADS*/, g_cpuInfo.getCPUCount());
if(num_threads > 1 && (pCodec->id == CODEC_ID_H264 || pCodec->id == CODEC_ID_MPEG4 || pCodec->id == CODEC_ID_MPEG2VIDEO))
m_dllAvCodec.avcodec_thread_init(m_pCodecContext, num_threads);
#endif
if (m_dllAvCodec.avcodec_open(m_pCodecContext, pCodec) < 0)
{
CLog::Log(LOGDEBUG,"CDVDVideoCodecFFmpeg::Open() Unable to open codec");
return false;
}
m_pFrame = m_dllAvCodec.avcodec_alloc_frame();
if (!m_pFrame) return false;
return true;
}