static av_cold int vdadec_init(AVCodecContext *avctx) { VDADecoderContext *ctx = avctx->priv_data; struct vda_context *vda_ctx = &ctx->vda_ctx; OSStatus status; int ret, i; ctx->h264_initialized = 0; /* init pix_fmts of codec */ if (!ff_h264_vda_decoder.pix_fmts) { if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber10_7) ff_h264_vda_decoder.pix_fmts = vda_pixfmts_prior_10_7; else ff_h264_vda_decoder.pix_fmts = vda_pixfmts; } /* init vda */ memset(vda_ctx, 0, sizeof(struct vda_context)); vda_ctx->width = avctx->width; vda_ctx->height = avctx->height; vda_ctx->format = 'avc1'; vda_ctx->use_sync_decoding = 1; vda_ctx->use_ref_buffer = 1; ctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts); switch (ctx->pix_fmt) { case AV_PIX_FMT_UYVY422: vda_ctx->cv_pix_fmt_type = '2vuy'; break; case AV_PIX_FMT_YUYV422: vda_ctx->cv_pix_fmt_type = 'yuvs'; break; case AV_PIX_FMT_NV12: vda_ctx->cv_pix_fmt_type = '420v'; break; case AV_PIX_FMT_YUV420P: vda_ctx->cv_pix_fmt_type = 'y420'; break; default: av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format: %d\n", avctx->pix_fmt); goto failed; } status = ff_vda_create_decoder(vda_ctx, avctx->extradata, avctx->extradata_size); if (status != kVDADecoderNoErr) { av_log(avctx, AV_LOG_ERROR, "Failed to init VDA decoder: %d.\n", status); goto failed; } /* init H.264 decoder */ set_context(avctx); ret = ff_h264_decoder.init(avctx); restore_context(avctx); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to open H.264 decoder.\n"); goto failed; } ctx->h264_initialized = 1; for (i = 0; i < MAX_SPS_COUNT; i++) { const SPS *sps = (const SPS*)ctx->h264ctx.ps.sps_list[i]->data; if (sps && (sps->bit_depth_luma != 8 || sps->chroma_format_idc == 2 || sps->chroma_format_idc == 3)) { av_log(avctx, AV_LOG_ERROR, "Format is not supported.\n"); goto failed; } } return 0; failed: vdadec_close(avctx); return -1; }
static int frame_thread_init(AVCodecContext *avctx) { int thread_count = avctx->thread_count; AVCodec *codec = avctx->codec; AVCodecContext *src = avctx; FrameThreadContext *fctx; int i, err = 0; if (!thread_count) { int nb_cpus = get_logical_cpus(avctx); if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || avctx->debug_mv) nb_cpus = 1; // use number of cores + 1 as thread count if there is more than one if (nb_cpus > 1) thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS); else thread_count = avctx->thread_count = 1; } if (thread_count <= 1) { avctx->active_thread_type = 0; return 0; } avctx->thread_opaque = fctx = av_mallocz(sizeof(FrameThreadContext)); fctx->threads = av_mallocz(sizeof(PerThreadContext) * thread_count); pthread_mutex_init(&fctx->buffer_mutex, NULL); fctx->delaying = 1; for (i = 0; i < thread_count; i++) { AVCodecContext *copy = av_malloc(sizeof(AVCodecContext)); PerThreadContext *p = &fctx->threads[i]; pthread_mutex_init(&p->mutex, NULL); pthread_mutex_init(&p->progress_mutex, NULL); pthread_cond_init(&p->input_cond, NULL); pthread_cond_init(&p->progress_cond, NULL); pthread_cond_init(&p->output_cond, NULL); p->parent = fctx; p->avctx = copy; if (!copy) { err = AVERROR(ENOMEM); goto error; } *copy = *src; copy->thread_opaque = p; copy->pkt = &p->avpkt; if (!i) { src = copy; if (codec->init) err = codec->init(copy); update_context_from_thread(avctx, copy, 1); } else { copy->priv_data = av_malloc(codec->priv_data_size); if (!copy->priv_data) { err = AVERROR(ENOMEM); goto error; } memcpy(copy->priv_data, src->priv_data, codec->priv_data_size); copy->internal = av_malloc(sizeof(AVCodecInternal)); if (!copy->internal) { err = AVERROR(ENOMEM); goto error; } *copy->internal = *src->internal; copy->internal->is_copy = 1; if (codec->init_thread_copy) err = codec->init_thread_copy(copy); } if (err) goto error; err = AVERROR(pthread_create(&p->thread, NULL, frame_worker_thread, p)); p->thread_init= !err; if(!p->thread_init) goto error; } return 0; error: frame_thread_free(avctx, i+1); return err; }
static av_cold int vdadec_init(AVCodecContext *avctx) { VDADecoderContext *ctx = avctx->priv_data; struct vda_context *vda_ctx = &ctx->vda_ctx; OSStatus status; int ret; ctx->h264_initialized = 0; /* init pix_fmts of codec */ if (!ff_h264_vda_decoder.pix_fmts) { if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber10_7) ff_h264_vda_decoder.pix_fmts = vda_pixfmts_prior_10_7; else ff_h264_vda_decoder.pix_fmts = vda_pixfmts; } /* init vda */ memset(vda_ctx, 0, sizeof(struct vda_context)); vda_ctx->width = avctx->width; vda_ctx->height = avctx->height; vda_ctx->format = 'avc1'; vda_ctx->use_sync_decoding = 1; vda_ctx->use_ref_buffer = 1; ctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts); switch (ctx->pix_fmt) { case AV_PIX_FMT_UYVY422: vda_ctx->cv_pix_fmt_type = '2vuy'; break; case AV_PIX_FMT_YUYV422: vda_ctx->cv_pix_fmt_type = 'yuvs'; break; case AV_PIX_FMT_NV12: vda_ctx->cv_pix_fmt_type = '420v'; break; case AV_PIX_FMT_YUV420P: vda_ctx->cv_pix_fmt_type = 'y420'; break; default: av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format: %d\n", avctx->pix_fmt); goto failed; } status = ff_vda_create_decoder(vda_ctx, avctx->extradata, avctx->extradata_size); if (status != kVDADecoderNoErr) { av_log(avctx, AV_LOG_ERROR, "Failed to init VDA decoder: %d.\n", status); goto failed; } avctx->hwaccel_context = vda_ctx; /* changes callback functions */ avctx->get_format = get_format; avctx->get_buffer2 = get_buffer2; #if FF_API_GET_BUFFER // force the old get_buffer to be empty avctx->get_buffer = NULL; #endif /* init H.264 decoder */ ret = ff_h264_decoder.init(avctx); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to open H.264 decoder.\n"); goto failed; } ctx->h264_initialized = 1; return 0; failed: vdadec_close(avctx); return -1; }