C++ (Cpp) vp8_create_commonの例

コード例 #1

ファイル: onyxd_if.c プロジェクト: hoangmichel/webrtc

static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf)
{
    VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));

    if (!pbi)
        return NULL;

    memset(pbi, 0, sizeof(VP8D_COMP));

    if (setjmp(pbi->common.error.jmp))
    {
        pbi->common.error.setjmp = 0;
        remove_decompressor(pbi);
        return 0;
    }

    pbi->common.error.setjmp = 1;

    vp8_create_common(&pbi->common);

    pbi->common.current_video_frame = 0;
    pbi->ready_for_new_data = 1;

    /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
     *  unnecessary calling of vp8cx_init_de_quantizer() for every frame.
     */
    vp8cx_init_de_quantizer(pbi);

    vp8_loop_filter_init(&pbi->common);

    pbi->common.error.setjmp = 0;

#if CONFIG_ERROR_CONCEALMENT
    pbi->ec_enabled = oxcf->error_concealment;
    pbi->overlaps = NULL;
#else
    (void)oxcf;
    pbi->ec_enabled = 0;
#endif
    /* Error concealment is activated after a key frame has been
     * decoded without errors when error concealment is enabled.
     */
    pbi->ec_active = 0;

    pbi->decoded_key_frame = 0;

    /* Independent partitions is activated when a frame updates the
     * token probability table to have equal probabilities over the
     * PREV_COEF context.
     */
    pbi->independent_partitions = 0;

    vp8_setup_block_dptrs(&pbi->mb);

    return pbi;
}

コード例 #2

ファイル: onyxd_if.c プロジェクト: ACSOP/android_external_libvpx

VP8D_PTR vp8dx_create_decompressor(VP8D_CONFIG *oxcf)
{
    VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));

    if (!pbi)
        return NULL;

    vpx_memset(pbi, 0, sizeof(VP8D_COMP));

    if (setjmp(pbi->common.error.jmp))
    {
        pbi->common.error.setjmp = 0;
        vp8dx_remove_decompressor(pbi);
        return 0;
    }

    pbi->common.error.setjmp = 1;
    vp8dx_initialize();

    vp8_create_common(&pbi->common);
    vp8_dmachine_specific_config(pbi);

    pbi->common.current_video_frame = 0;
    pbi->ready_for_new_data = 1;

    pbi->CPUFreq = 0; /*vp8_get_processor_freq();*/
#if CONFIG_MULTITHREAD
    pbi->max_threads = oxcf->max_threads;
    vp8_decoder_create_threads(pbi);
#endif

    /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
     *  unnecessary calling of vp8cx_init_de_quantizer() for every frame.
     */
    vp8cx_init_de_quantizer(pbi);

    {
        VP8_COMMON *cm = &pbi->common;

        vp8_init_loop_filter(cm);
        cm->last_frame_type = KEY_FRAME;
        cm->last_filter_type = cm->filter_type;
        cm->last_sharpness_level = cm->sharpness_level;
    }

    pbi->common.error.setjmp = 0;
    return (VP8D_PTR) pbi;
}