C++ (Cpp) MP4_FAIL_IF_ERR_EX примеры использования

Пример #1

Файл: mp4_lsmash.c Проект: JRuiChen/x264_svc

static int open_file( char *psz_filename, hnd_t *p_handle, cli_output_opt_t *opt )
{
    *p_handle = NULL;

    int b_regular = strcmp( psz_filename, "-" );
    b_regular = b_regular && x264_is_regular_file_path( psz_filename );
    if( b_regular )
    {
        FILE *fh = x264_fopen( psz_filename, "wb" );
        MP4_FAIL_IF_ERR( !fh, "cannot open output file `%s'.\n", psz_filename );
        b_regular = x264_is_regular_file( fh );
        fclose( fh );
    }

    mp4_hnd_t *p_mp4 = calloc( 1, sizeof(mp4_hnd_t) );
    MP4_FAIL_IF_ERR( !p_mp4, "failed to allocate memory for muxer information.\n" );

    p_mp4->b_dts_compress = opt->use_dts_compress;
    p_mp4->b_use_recovery = 0; // we don't really support recovery
    p_mp4->b_fragments    = !b_regular;
    p_mp4->b_stdout       = !strcmp( psz_filename, "-" );

    p_mp4->p_root = lsmash_open_movie( psz_filename, p_mp4->b_fragments ? LSMASH_FILE_MODE_WRITE_FRAGMENTED : LSMASH_FILE_MODE_WRITE );
    MP4_FAIL_IF_ERR_EX( !p_mp4->p_root, "failed to create root.\n" );

    p_mp4->summary = (lsmash_video_summary_t *)lsmash_create_summary( LSMASH_SUMMARY_TYPE_VIDEO );
    MP4_FAIL_IF_ERR_EX( !p_mp4->summary,
                        "failed to allocate memory for summary information of video.\n" );
    p_mp4->summary->sample_type = ISOM_CODEC_TYPE_AVC1_VIDEO;

    *p_handle = p_mp4;

    return 0;
}

Пример #2

Файл: mp4_lsmash.c Проект: predmach/x264-devel

static int open_file( char *psz_filename, hnd_t *p_handle, cli_output_opt_t *opt )
{
    mp4_hnd_t *p_mp4;

    *p_handle = NULL;

    int b_regular = strcmp( psz_filename, "-" );
    b_regular = b_regular && x264_is_regular_file_path( psz_filename );
    if( b_regular )
    {
        FILE *fh = x264_fopen( psz_filename, "wb" );
        MP4_FAIL_IF_ERR( !fh, "cannot open output file `%s'.\n", psz_filename );
        b_regular = x264_is_regular_file( fh );
        fclose( fh );
    }

    p_mp4 = malloc( sizeof(mp4_hnd_t) );
    MP4_FAIL_IF_ERR( !p_mp4, "failed to allocate memory for muxer information.\n" );
    memset( p_mp4, 0, sizeof(mp4_hnd_t) );

    p_mp4->b_dts_compress = opt->use_dts_compress;
    p_mp4->b_use_recovery = 0;
    p_mp4->b_no_pasp      = 0;
    p_mp4->scale_method   = ISOM_SCALE_METHOD_MEET;
    p_mp4->b_fragments    = !b_regular;
    p_mp4->b_stdout       = !strcmp( psz_filename, "-" );

    char* ext = get_filename_extension( psz_filename );
    if( !strcmp( ext, "mov" ) || !strcmp( ext, "qt" ) )
    {
        p_mp4->major_brand = ISOM_BRAND_TYPE_QT;
        p_mp4->b_brand_qt = 1;
    }
    else if( !strcmp( ext, "3gp" ) )
    {
        p_mp4->major_brand = ISOM_BRAND_TYPE_3GP6;
        p_mp4->i_brand_3gpp = 1;
    }
    else if( !strcmp( ext, "3g2" ) )
    {
        p_mp4->major_brand = ISOM_BRAND_TYPE_3G2A;
        p_mp4->i_brand_3gpp = 2;
    }
    else
        p_mp4->major_brand = ISOM_BRAND_TYPE_MP42;

    p_mp4->p_root = lsmash_open_movie( psz_filename, p_mp4->b_fragments ? LSMASH_FILE_MODE_WRITE_FRAGMENTED : LSMASH_FILE_MODE_WRITE );
    MP4_FAIL_IF_ERR_EX( !p_mp4->p_root, "failed to create root.\n" );

    p_mp4->summary = (lsmash_video_summary_t *)lsmash_create_summary( LSMASH_SUMMARY_TYPE_VIDEO );
    MP4_FAIL_IF_ERR_EX( !p_mp4->summary,
                        "failed to allocate memory for summary information of video.\n" );
    p_mp4->summary->sample_type = ISOM_CODEC_TYPE_AVC1_VIDEO;

    *p_handle = p_mp4;

    return 0;
}