Ejemplos de ff_video_frame_pool_uninit en C++ (Cpp)

Ejemplo n.º 1

void avfilter_link_free(AVFilterLink **link)
{
    if (!*link)
        return;

    av_frame_free(&(*link)->partial_buf);
    ff_framequeue_free(&(*link)->fifo);
    ff_video_frame_pool_uninit((FFVideoFramePool**)&(*link)->video_frame_pool);

    av_freep(link);
}

Ejemplo n.º 2

Archivo: framepool.c Proyecto: Crawping/chromium_extract

FFVideoFramePool *ff_video_frame_pool_init(AVBufferRef* (*alloc)(int size),
                                           int width,
                                           int height,
                                           enum AVPixelFormat format,
                                           int align)
{
    int i, ret;
    FFVideoFramePool *pool;
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);

    if (!desc)
        return NULL;

    pool = av_mallocz(sizeof(FFVideoFramePool));
    if (!pool)
        return NULL;

    pool->width = width;
    pool->height = height;
    pool->format = format;
    pool->align = align;

    if ((ret = av_image_check_size(width, height, 0, NULL)) < 0) {
        goto fail;
    }

    if (!pool->linesize[0]) {
        for(i = 1; i <= align; i += i) {
            ret = av_image_fill_linesizes(pool->linesize, pool->format,
                                          FFALIGN(pool->width, i));
            if (ret < 0) {
                goto fail;
            }
            if (!(pool->linesize[0] & (pool->align - 1)))
                break;
        }

        for (i = 0; i < 4 && pool->linesize[i]; i++) {
            pool->linesize[i] = FFALIGN(pool->linesize[i], pool->align);
        }
    }

    for (i = 0; i < 4 && pool->linesize[i]; i++) {
        int h = FFALIGN(pool->height, 32);
        if (i == 1 || i == 2)
            h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);

        pool->pools[i] = av_buffer_pool_init(pool->linesize[i] * h + 16 + 16 - 1,
                                             alloc);
        if (!pool->pools[i])
            goto fail;
    }

    if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
        desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
        pool->pools[1] = av_buffer_pool_init(AVPALETTE_SIZE, alloc);
        if (!pool->pools[1])
            goto fail;
    }

    return pool;

fail:
    ff_video_frame_pool_uninit(&pool);
    return NULL;
}