C++ (Cpp) qsv_init_pool Examples

Example #1

File: hwcontext_qsv.c Project: ZhaoliangGuo/FFmpeg

static int qsv_frames_init(AVHWFramesContext *ctx)
{
    QSVFramesContext              *s = ctx->internal->priv;
    AVQSVFramesContext *frames_hwctx = ctx->hwctx;

    int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);

    uint32_t fourcc;
    int i, ret;

    fourcc = qsv_fourcc_from_pix_fmt(ctx->sw_format);
    if (!fourcc) {
        av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n");
        return AVERROR(ENOSYS);
    }

    if (!ctx->pool) {
        ret = qsv_init_pool(ctx, fourcc);
        if (ret < 0) {
            av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
            return ret;
        }
    }

    if (opaque) {
        s->surface_ptrs = av_mallocz_array(frames_hwctx->nb_surfaces,
                                           sizeof(*s->surface_ptrs));
        if (!s->surface_ptrs)
            return AVERROR(ENOMEM);

        for (i = 0; i < frames_hwctx->nb_surfaces; i++)
            s->surface_ptrs[i] = frames_hwctx->surfaces + i;

        s->opaque_alloc.In.Surfaces   = s->surface_ptrs;
        s->opaque_alloc.In.NumSurface = frames_hwctx->nb_surfaces;
        s->opaque_alloc.In.Type       = frames_hwctx->frame_type;

        s->opaque_alloc.Out = s->opaque_alloc.In;

        s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
        s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);

        s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
    } else {
        s->mem_ids = av_mallocz_array(frames_hwctx->nb_surfaces, sizeof(*s->mem_ids));
        if (!s->mem_ids)
            return AVERROR(ENOMEM);

        for (i = 0; i < frames_hwctx->nb_surfaces; i++)
            s->mem_ids[i] = frames_hwctx->surfaces[i].Data.MemId;
    }

    s->session_download = NULL;
    s->session_upload   = NULL;

    s->session_download_init = 0;
    s->session_upload_init   = 0;

#if HAVE_PTHREADS
    pthread_mutex_init(&s->session_lock, NULL);
    pthread_cond_init(&s->session_cond, NULL);
#endif

    return 0;
}

Example #2

File: hwcontext_qsv.c Project: Wonderful2014/libav

static int qsv_frames_init(AVHWFramesContext *ctx)
{
    QSVFramesContext              *s = ctx->internal->priv;
    AVQSVFramesContext *frames_hwctx = ctx->hwctx;

    int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);

    uint32_t fourcc = 0;
    int i, ret;

    for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) {
        if (supported_pixel_formats[i].pix_fmt == ctx->sw_format) {
            fourcc = supported_pixel_formats[i].fourcc;
            break;
        }
    }
    if (!fourcc) {
        av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n");
        return AVERROR(ENOSYS);
    }

    if (!ctx->pool) {
        ret = qsv_init_pool(ctx, fourcc);
        if (ret < 0) {
            av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
            return ret;
        }
    }

    if (opaque) {
        s->surface_ptrs = av_mallocz_array(frames_hwctx->nb_surfaces,
                                           sizeof(*s->surface_ptrs));
        if (!s->surface_ptrs)
            return AVERROR(ENOMEM);

        for (i = 0; i < frames_hwctx->nb_surfaces; i++)
            s->surface_ptrs[i] = frames_hwctx->surfaces + i;

        s->opaque_alloc.In.Surfaces   = s->surface_ptrs;
        s->opaque_alloc.In.NumSurface = frames_hwctx->nb_surfaces;
        s->opaque_alloc.In.Type       = frames_hwctx->frame_type;

        s->opaque_alloc.Out = s->opaque_alloc.In;

        s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
        s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);

        s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
    } else {
        s->mem_ids = av_mallocz_array(frames_hwctx->nb_surfaces, sizeof(*s->mem_ids));
        if (!s->mem_ids)
            return AVERROR(ENOMEM);

        for (i = 0; i < frames_hwctx->nb_surfaces; i++)
            s->mem_ids[i] = frames_hwctx->surfaces[i].Data.MemId;
    }

    ret = qsv_init_internal_session(ctx, &s->session_download, 0);
    if (ret < 0)
        return ret;

    ret = qsv_init_internal_session(ctx, &s->session_upload, 1);
    if (ret < 0)
        return ret;

    return 0;
}