/* Multithreading support */ int getNumberOfProcessors() { #if defined(_SC_NPROCESSORS_ONLN) return sysconf(_SC_NPROCESSORS_ONLN); #elif defined(__FreeBSD__) || defined(__APPLE__) unsigned int len, count; len = sizeof(count); return sysctlbyname("hw.ncpu", &count, &len, NULL, 0); #elif defined(_GNU_SOURCE) return get_nprocs(); #elif defined(_WIN32) SYSTEM_INFO sysinfo; GetSystemInfo(&sysinfo); return sysinfo.dwNumberOfProcessors; #elif defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #else return 1; #endif }
void Leafcutter::leafcut(shared_ptr<Image<Vec4f> > image, shared_ptr<LightTree > lightTree, uint32_t samples, shared_ptr<ReportHandler> report) { _report = report; _image = image; _lightTree = lightTree; _nCore = pthread_num_processors_np(); stringstream sout; sout << "Leafcut on " << _nCore << " threads"; if (_report) _report->beginActivity(sout.str()); uint32_t lightNum = lightTree->DirectionalLightNum() + lightTree->OrientedLightNum(); image->Alloc(lightNum, samples); _curLine = 0; _mutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_init(&_mutex, NULL); vector<pthread_t> threads(_nCore); _sampler->BeginPixel(samples); for (uint64_t idx = 0; idx < threads.size(); idx++) { pthread_create(&threads[idx], NULL, TreeWalkThread, this); } for (uint64_t idx = 0; idx < threads.size(); idx++) { pthread_join(threads[idx], NULL); } _sampler->EndPixel(); pthread_mutex_destroy(&_mutex); if (_report) _report->endActivity(); }
unsigned possibleThreadCount() { #if defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #elif defined(__APPLE__) || defined(__FreeBSD__) int count; size_t size = sizeof(count); return sysctlbyname("hw.ncpu", &count, &size, NULL, 0) ? 0 : count; #elif defined(BOOST_HAS_UNISTD_H) && defined(_SC_NPROCESSORS_ONLN) int const count = sysconf(_SC_NPROCESSORS_ONLN); return (count > 0) ? count : 1; #elif defined(_GNU_SOURCE) return get_nprocs(); #else return 1; #endif }
unsigned thread::hardware_concurrency() { #if defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #elif defined(__APPLE__) || defined(__FreeBSD__) int count; size_t size=sizeof(count); return sysctlbyname("hw.ncpu",&count,&size,NULL,0)?0:count; #elif defined(BOOST_HAS_UNISTD_H) && defined(_SC_NPROCESSORS_ONLN) int const count=sysconf(_SC_NPROCESSORS_ONLN); return (count>0)?count:0; #elif defined(__GLIBC__) return get_nprocs(); #else return 0; #endif }
static int xvid_gbl_info(xvid_gbl_info_t * info) { if (XVID_VERSION_MAJOR(info->version) != 1) /* v1.x.x */ return XVID_ERR_VERSION; info->actual_version = XVID_VERSION; info->build = "xvid-1.1.3"; info->cpu_flags = detect_cpu_flags(); #if defined(_SMP) && defined(WIN32) info->num_threads = pthread_num_processors_np();; #else info->num_threads = 0; #endif return 0; }
unsigned int Thread::getNumberOfProcessors() { #if __cplusplus >= 201103L return std::thread::hardware_concurrency(); #elif defined(_SC_NPROCESSORS_ONLN) return sysconf(_SC_NPROCESSORS_ONLN); #elif defined(__FreeBSD__) || defined(__NetBSD__) || \ defined(__DragonFly__) || defined(__APPLE__) unsigned int num_cpus = 1; size_t len = sizeof(num_cpus); int mib[2]; mib[0] = CTL_HW; mib[1] = HW_NCPU; sysctl(mib, 2, &num_cpus, &len, NULL, 0); return num_cpus; #elif defined(_GNU_SOURCE) return get_nprocs(); #elif defined(_WIN32) SYSTEM_INFO sysinfo; GetSystemInfo(&sysinfo); return sysinfo.dwNumberOfProcessors; #elif defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #else return 1; #endif }
unsigned EnvironmentImpl::processorCountImpl() { #if defined(_SC_NPROCESSORS_ONLN) int count = sysconf(_SC_NPROCESSORS_ONLN); if (count <= 0) count = 1; return static_cast<int>(count); #elif defined(POCO_OS_FAMILY_BSD) unsigned count; std::size_t size = sizeof(count); if (sysctlbyname("hw.ncpu", &count, &size, 0, 0)) return 1; else return count; #elif POCO_OS == POCO_OS_HPUX return pthread_num_processors_np(); #else return 1; #endif }
Par2Creator::Par2Creator(void) : noiselevel(CommandLine::nlUnknown) , blocksize(0) , chunksize(0) , inputbuffer(0) , outputbuffer(0) , sourcefilecount(0) , sourceblockcount(0) , largestfilesize(0) , recoveryfilescheme(CommandLine::scUnknown) , recoveryfilecount(0) , recoveryblockcount(0) , firstrecoveryblock(0) , mainpacket(0) , creatorpacket(0) , previouslyReportedFraction (0) , deferhashcomputation(false) { // Some stuff for the multi-thread optimization pthread_mutex_init (&progressMutex, NULL); // Go and find number of CPU's in this machine #ifdef WIN32 numCPUs = pthread_num_processors_np(); #else // !WIN32 #ifdef CTL_HW int lName [2] = { CTL_HW, HW_NCPU }; size_t lLen = sizeof (numCPUs); if (sysctl(lName, 2, &numCPUs, &lLen, NULL, 0) != 0) { assert (false); numCPUs = 1; // Default value if we have an error in sysctl } #elif defined(_SC_NPROCESSORS_ONLN) numCPUs = sysconf( _SC_NPROCESSORS_ONLN ); #else numCPUs = 1; #endif // CTL_HW #endif // !WIN32 }
int main() { long result = 0; pthread_t t; int CPUs; struct _timeb sysTime; if ((CPUs = pthread_num_processors_np()) == 1) { printf("Test not run - it requires multiple CPUs.\n"); exit(0); } assert(pthread_spin_lock(&lock) == 0); assert(pthread_create(&t, NULL, func, NULL) == 0); while (washere == 0) { sched_yield(); } do { sched_yield(); _ftime(&sysTime); } while (GetDurationMilliSecs(currSysTimeStart, sysTime) <= 1000); assert(pthread_spin_unlock(&lock) == 0); assert(pthread_join(t, (void **) &result) == 0); assert(result > 1000); assert(pthread_spin_destroy(&lock) == 0); assert(washere == 1); return 0; }
void time_step( ) { #ifdef __GLIBC__ int processor_count = get_nprocs( ); #else int processor_count = pthread_num_processors_np( ); #endif int objects_per_processor = OBJECT_COUNT / processor_count; struct Work_Unit *chunks = (struct Work_Unit *)malloc( processor_count * sizeof(struct Work_Unit) ); pthread_t *thread_IDs = (pthread_t *)malloc( processor_count * sizeof(pthread_t) ); // Create a thread for each CPU and set it working on its work unit. for( int i = 0; i < processor_count; ++i ) { struct Work_Unit *chunk = (struct Work_Unit *)malloc( sizeof( struct Work_Unit ) ); chunk->start_index = i * objects_per_processor; if( i == processor_count - 1 ) chunk->stop_index = OBJECT_COUNT; else chunk->stop_index = ( i + 1 ) * objects_per_processor; pthread_create( &thread_IDs[i], NULL, compute_next_dynamics, chunk); } // Wait for all thread to end. for( int i = 0; i < processor_count; ++i ) { pthread_join( thread_IDs[i], NULL ); } // Swap the dynamics arrays. ObjectDynamics *temp = current_dynamics; current_dynamics = next_dynamics; next_dynamics = temp; free(chunks); free(thread_IDs); }
unsigned gmlCPUCount() { #ifdef _WIN32 SYSTEM_INFO info={0}; GetSystemInfo(&info); return info.dwNumberOfProcessors; #else # if defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); # elif defined(__linux__) return get_nprocs(); # elif defined(__APPLE__) || defined(__FreeBSD__) int count; size_t size=sizeof(count); return sysctlbyname("hw.ncpu",&count,&size,NULL,0)?0:count; # elif defined(__sun) int const count=sysconf(_SC_NPROCESSORS_ONLN); return (count>0)?count:0; # else return 0; # endif #endif }
/* We hold the allocation lock. */ void GC_thr_init(void) { # ifndef GC_DARWIN_THREADS int dummy; # endif GC_thread t; if (GC_thr_initialized) return; GC_thr_initialized = TRUE; # ifdef HANDLE_FORK /* Prepare for a possible fork. */ pthread_atfork(GC_fork_prepare_proc, GC_fork_parent_proc, GC_fork_child_proc); # endif /* HANDLE_FORK */ # if defined(INCLUDE_LINUX_THREAD_DESCR) /* Explicitly register the region including the address */ /* of a thread local variable. This should include thread */ /* locals for the main thread, except for those allocated */ /* in response to dlopen calls. */ { ptr_t thread_local_addr = (ptr_t)(&dummy_thread_local); ptr_t main_thread_start, main_thread_end; if (!GC_enclosing_mapping(thread_local_addr, &main_thread_start, &main_thread_end)) { ABORT("Failed to find mapping for main thread thread locals"); } GC_add_roots_inner(main_thread_start, main_thread_end, FALSE); } # endif /* Add the initial thread, so we can stop it. */ t = GC_new_thread(pthread_self()); # ifdef GC_DARWIN_THREADS t -> stop_info.mach_thread = mach_thread_self(); # else t -> stop_info.stack_ptr = (ptr_t)(&dummy); # endif t -> flags = DETACHED | MAIN_THREAD; GC_stop_init(); /* Set GC_nprocs. */ { char * nprocs_string = GETENV("GC_NPROCS"); GC_nprocs = -1; if (nprocs_string != NULL) GC_nprocs = atoi(nprocs_string); } if (GC_nprocs <= 0) { # if defined(GC_HPUX_THREADS) GC_nprocs = pthread_num_processors_np(); # endif # if defined(GC_OSF1_THREADS) || defined(GC_AIX_THREADS) \ || defined(GC_SOLARIS_THREADS) || defined(GC_GNU_THREADS) GC_nprocs = sysconf(_SC_NPROCESSORS_ONLN); if (GC_nprocs <= 0) GC_nprocs = 1; # endif # if defined(GC_IRIX_THREADS) GC_nprocs = sysconf(_SC_NPROC_ONLN); if (GC_nprocs <= 0) GC_nprocs = 1; # endif # if defined(GC_NETBSD_THREADS) GC_nprocs = get_ncpu(); # endif # if defined(GC_OPENBSD_THREADS) GC_nprocs = 1; # endif # if defined(GC_DARWIN_THREADS) || defined(GC_FREEBSD_THREADS) int ncpus = 1; size_t len = sizeof(ncpus); sysctl((int[2]) {CTL_HW, HW_NCPU}, 2, &ncpus, &len, NULL, 0);
// init driver static int init(sh_video_t *sh){ struct lavc_param *lavc_param = &sh->opts->lavc_param; AVCodecContext *avctx; vd_ffmpeg_ctx *ctx; AVCodec *lavc_codec; int lowres_w=0; int do_vis_debug= lavc_param->vismv || (lavc_param->debug&(FF_DEBUG_VIS_MB_TYPE|FF_DEBUG_VIS_QP)); if(!avcodec_initialized){ avcodec_init(); avcodec_register_all(); avcodec_initialized=1; } ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx)); if (!ctx) return 0; memset(ctx, 0, sizeof(vd_ffmpeg_ctx)); lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh->codec->dll); if(!lavc_codec){ mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "Cannot find codec '%s' in libavcodec...\n", sh->codec->dll); uninit(sh); return 0; } if(sh->opts->vd_use_slices && (lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND) && !do_vis_debug) ctx->do_slices=1; if(lavc_codec->capabilities&CODEC_CAP_DR1 && !do_vis_debug && lavc_codec->id != CODEC_ID_H264 && lavc_codec->id != CODEC_ID_INTERPLAY_VIDEO && lavc_codec->id != CODEC_ID_ROQ) ctx->do_dr1=1; ctx->b_age= ctx->ip_age[0]= ctx->ip_age[1]= 256*256*256*64; ctx->ip_count= ctx->b_count= 0; ctx->pic = avcodec_alloc_frame(); ctx->avctx = avcodec_alloc_context(); avctx = ctx->avctx; avctx->opaque = sh; avctx->codec_type = CODEC_TYPE_VIDEO; avctx->codec_id = lavc_codec->id; if (lavc_codec->capabilities & CODEC_CAP_HWACCEL // XvMC || lavc_codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) { ctx->do_dr1 = true; ctx->do_slices = true; lavc_param->threads = 1; avctx->get_format = get_format; avctx->get_buffer = get_buffer; avctx->release_buffer = release_buffer; avctx->reget_buffer = get_buffer; avctx->draw_horiz_band = draw_slice; if (lavc_codec->capabilities & CODEC_CAP_HWACCEL) mp_msg(MSGT_DECVIDEO, MSGL_V, "[VD_FFMPEG] XVMC-accelerated " "MPEG-2.\n"); if (lavc_codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) mp_msg(MSGT_DECVIDEO, MSGL_V, "[VD_FFMPEG] VDPAU hardware " "decoding.\n"); avctx->slice_flags = SLICE_FLAG_CODED_ORDER|SLICE_FLAG_ALLOW_FIELD; } if ( lavc_param->threads == 0 ) { #if defined(_WIN32) lavc_param->threads = pthread_num_processors_np(); #elif defined(__linux__) unsigned int bit; int np; cpu_set_t p_aff; memset( &p_aff, 0, sizeof(p_aff) ); sched_getaffinity( 0, sizeof(p_aff), &p_aff ); for( np = 0, bit = 0; bit < sizeof(p_aff); bit++ ) np += (((uint8_t *)&p_aff)[bit / 8] >> (bit % 8)) & 1; lavc_param->threads = np; #elif defined(__BEOS__) system_info info; get_system_info( &info ); lavc_param->threads = info.cpu_count; #elif defined(__MACH__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) int numberOfCPUs; size_t length = sizeof( numberOfCPUs ); #ifdef __OpenBSD__ int mib[2] = { CTL_HW, HW_NCPU }; if( sysctl(mib, 2, &numberOfCPUs, &length, NULL, 0) ) #else if( sysctlbyname("hw.ncpu", &numberOfCPUs, &length, NULL, 0) ) #endif { numberOfCPUs = 1; } lavc_param->threads = numberOfCPUs; #else /* No CPU detection routine available */ lavc_param->threads = 1; #endif }
// init driver static int init(sh_video_t *sh){ AVCodecContext *avctx; vd_ffmpeg_ctx *ctx; AVCodec *lavc_codec; int lowres_w=0; int do_vis_debug= lavc_param_vismv || (lavc_param_debug&(FF_DEBUG_VIS_MB_TYPE|FF_DEBUG_VIS_QP)); // slice is rather broken with threads, so disable that combination unless // explicitly requested int use_slices = vd_use_slices > 0 || (vd_use_slices < 0 && lavc_param_threads <= 1); AVDictionary *opts = NULL; init_avcodec(); ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx)); if (!ctx) return 0; memset(ctx, 0, sizeof(vd_ffmpeg_ctx)); lavc_codec = avcodec_find_decoder_by_name(sh->codec->dll); if(!lavc_codec){ mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_MissingLAVCcodec, sh->codec->dll); uninit(sh); return 0; } if (auto_threads) { #if (defined(__MINGW32__) && HAVE_PTHREADS) lavc_param_threads = pthread_num_processors_np(); #elif defined(__linux__) /* Code stolen from x264 :) */ unsigned int bit; int np; cpu_set_t p_aff; memset( &p_aff, 0, sizeof(p_aff) ); sched_getaffinity( 0, sizeof(p_aff), &p_aff ); for( np = 0, bit = 0; bit < sizeof(p_aff); bit++ ) np += (((uint8_t *)&p_aff)[bit / 8] >> (bit % 8)) & 1; lavc_param_threads = np; #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__APPLE__) || defined (__NetBSD__) || defined(__OpenBSD__) /* Code stolen from x264 :) */ int numberOfCPUs; size_t length = sizeof( numberOfCPUs ); #if defined (__NetBSD__) || defined(__OpenBSD__) int mib[2] = { CTL_HW, HW_NCPU }; if( sysctl(mib, 2, &numberOfCPUs, &length, NULL, 0) ) #else if( sysctlbyname("hw.ncpu", &numberOfCPUs, &length, NULL, 0) ) #endif { numberOfCPUs = 1; } lavc_param_threads = numberOfCPUs; #endif if(lavc_codec->id == CODEC_ID_H264 || lavc_codec->id == CODEC_ID_FFH264 || lavc_codec->id == CODEC_ID_MPEG2TS || lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC) { if (lavc_param_threads > 16) lavc_param_threads = 16; if (lavc_param_threads > 1 && (lavc_codec->id == CODEC_ID_MPEG2VIDEO || lavc_codec->id == CODEC_ID_MPEG2TS || lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC)) vd_use_slices = 0; mp_msg(MSGT_DECVIDEO, MSGL_INFO, "Spawning %d decoding thread%s...\n", lavc_param_threads, lavc_param_threads == 1 ? "" : "s"); } else { lavc_param_threads = 1; } } if(use_slices && (lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND) && !do_vis_debug) ctx->do_slices=1; if(lavc_codec->capabilities&CODEC_CAP_DR1 && !do_vis_debug && lavc_codec->id != CODEC_ID_INTERPLAY_VIDEO && lavc_codec->id != CODEC_ID_VP8) ctx->do_dr1=1; ctx->nonref_dr = lavc_codec->id == CODEC_ID_H264; ctx->ip_count= ctx->b_count= 0; ctx->pic = avcodec_alloc_frame(); ctx->avctx = avcodec_alloc_context3(lavc_codec); avctx = ctx->avctx; avctx->opaque = sh; avctx->codec_id = lavc_codec->id; avctx->get_format = get_format; if(ctx->do_dr1){ avctx->flags|= CODEC_FLAG_EMU_EDGE; avctx-> get_buffer= get_buffer; avctx->release_buffer= release_buffer; avctx-> reget_buffer= get_buffer; } avctx->flags|= lavc_param_bitexact; avctx->coded_width = sh->disp_w; avctx->coded_height= sh->disp_h; avctx->workaround_bugs= lavc_param_workaround_bugs; switch (lavc_param_error_resilience) { case 5: avctx->err_recognition |= AV_EF_EXPLODE | AV_EF_COMPLIANT | AV_EF_CAREFUL; break; case 4: case 3: avctx->err_recognition |= AV_EF_AGGRESSIVE; // Fallthrough case 2: avctx->err_recognition |= AV_EF_COMPLIANT; // Fallthrough case 1: avctx->err_recognition |= AV_EF_CAREFUL; } lavc_param_gray|= CODEC_FLAG_GRAY; #ifdef CODEC_FLAG2_SHOW_ALL if(!lavc_param_wait_keyframe) avctx->flags2 |= CODEC_FLAG2_SHOW_ALL; #endif avctx->flags2|= lavc_param_fast; avctx->codec_tag= sh->format; avctx->stream_codec_tag= sh->video.fccHandler; avctx->idct_algo= lavc_param_idct_algo; avctx->error_concealment= lavc_param_error_concealment; avctx->debug= lavc_param_debug; if (lavc_param_debug) av_log_set_level(AV_LOG_DEBUG); avctx->debug_mv= lavc_param_vismv; avctx->skip_top = lavc_param_skip_top; avctx->skip_bottom= lavc_param_skip_bottom; if(lavc_param_lowres_str != NULL) { sscanf(lavc_param_lowres_str, "%d,%d", &lavc_param_lowres, &lowres_w); if(lavc_param_lowres < 1 || lavc_param_lowres > 16 || (lowres_w > 0 && avctx->width < lowres_w)) lavc_param_lowres = 0; avctx->lowres = lavc_param_lowres; } avctx->skip_loop_filter = str2AVDiscard(lavc_param_skip_loop_filter_str); avctx->skip_idct = str2AVDiscard(lavc_param_skip_idct_str); avctx->skip_frame = str2AVDiscard(lavc_param_skip_frame_str); if(lavc_avopt){ if (parse_avopts(avctx, lavc_avopt) < 0 && (!lavc_codec->priv_class || parse_avopts(avctx->priv_data, lavc_avopt) < 0)) { mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", lavc_avopt); uninit(sh); return 0; } } skip_idct = avctx->skip_idct; skip_frame = avctx->skip_frame; mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "libavcodec.size: %d x %d\n", avctx->width, avctx->height); switch (sh->format) { case mmioFOURCC('S','V','Q','3'): /* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or in the phony AVI header if demux_lavf is used. The first case is handled here; the second case falls through to the next section. */ if (sh->ImageDesc) { avctx->extradata_size = (*(int *)sh->ImageDesc) - sizeof(int); avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(avctx->extradata, ((int *)sh->ImageDesc)+1, avctx->extradata_size); break; } /* fallthrough */ case mmioFOURCC('A','V','R','n'): case mmioFOURCC('M','J','P','G'): /* AVRn stores huffman table in AVI header */ /* Pegasus MJPEG stores it also in AVI header, but it uses the common MJPG fourcc :( */ if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih)) break; av_dict_set(&opts, "extern_huff", "1", 0); avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih); avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size); #if 0 { int x; uint8_t *p = avctx->extradata; for (x=0; x<avctx->extradata_size; x++) mp_msg(MSGT_DECVIDEO, MSGL_INFO, "[%x] ", p[x]); mp_msg(MSGT_DECVIDEO, MSGL_INFO, "\n"); } #endif break; case mmioFOURCC('R', 'V', '1', '0'): case mmioFOURCC('R', 'V', '1', '3'): case mmioFOURCC('R', 'V', '2', '0'): case mmioFOURCC('R', 'V', '3', '0'): case mmioFOURCC('R', 'V', '4', '0'): if(sh->bih->biSize<sizeof(*sh->bih)+8){ /* only 1 packet per frame & sub_id from fourcc */ avctx->extradata_size= 8; avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); ((uint32_t *)avctx->extradata)[0] = 0; ((uint32_t *)avctx->extradata)[1] = (sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000; } else { /* has extra slice header (demux_rm or rm->avi streamcopy) */ avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih); avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size); } avctx->sub_id= AV_RB32(avctx->extradata+4); // printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]); break; default: if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih)) break; avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih); avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size); break; } if(sh->bih) avctx->bits_per_coded_sample= sh->bih->biBitCount; avctx->thread_count = lavc_param_threads; avctx->thread_type = FF_THREAD_FRAME | FF_THREAD_SLICE; if(lavc_codec->capabilities & CODEC_CAP_HWACCEL) // HACK around badly placed checks in mpeg_mc_decode_init set_format_params(avctx, PIX_FMT_XVMC_MPEG2_IDCT); /* open it */ if (avcodec_open2(avctx, lavc_codec, &opts) < 0) { mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_CantOpenCodec); uninit(sh); return 0; } av_dict_free(&opts); // this is necessary in case get_format was never called and init_vo is // too late e.g. for H.264 VDPAU set_format_params(avctx, avctx->pix_fmt); mp_msg(MSGT_DECVIDEO, MSGL_V, "INFO: libavcodec init OK!\n"); return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12); }