ts,ps,mpeg2 decoder and analysis

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 switch( i_stream_type )
    {
    case 0x01:  /* MPEG-1 video */
    case 0x02:  /* MPEG-2 video */
    case 0x80:  /* MPEG-2 MOTO video */
        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MPGV );
        break;
    case 0x03:  /* MPEG-1 audio */
    case 0x04:  /* MPEG-2 audio */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MPGA );
        break;
    case 0x11:  /* MPEG4 (audio) LATM */
    case 0x0f:  /* ISO/IEC 13818-7 Audio with ADTS transport syntax */
    case 0x1c:  /* ISO/IEC 14496-3 Audio, without using any additional
                   transport syntax, such as DST, ALS and SLS */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MP4A );
        break;
    case 0x10:  /* MPEG4 (video) */
        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MP4V );
        break;
    case 0x1B:  /* H264 <- check transport syntax/needed descriptor */
        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_H264 );
        break;
    case 0x24:  /* HEVC */
        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_HEVC );
        break;
    case 0x42:  /* CAVS (Chinese AVS) */
        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_CAVS );
        break;
    case 0x81:  /* A52 (audio) */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_A52 );
        break;
    case 0x82:  /* SCTE-27 (sub) */
        es_format_Init( fmt, SPU_ES, VLC_CODEC_SCTE_27 );
        break;
    case 0x84:  /* SDDS (audio) */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_SDDS );
        break;
    case 0x85:  /* DTS (audio) */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_DTS );
        break;
    case 0x87: /* E-AC3 */
        es_format_Init( fmt, AUDIO_ES, VLC_CODEC_EAC3 );
        break;
    case 0x91:  /* A52 vls (audio) */
        es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', 'b' ) );
        break;
    case 0x92:  /* DVD_SPU vls (sub) */
        es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', 'b' ) );
        break;
    case 0x94:  /* SDDS (audio) */
        es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 'b' ) );
        break;
    case 0xa0:  /* MSCODEC vlc (video) (fixed later) */
        es_format_Init( fmt, UNKNOWN_ES, 0 );
        break;
    case 0x06:  /* PES_PRIVATE  (fixed later) */
    case 0x12:  /* MPEG-4 generic (sub/scene/...) (fixed later) */
    case 0xEA:  /* Privately managed ES (VC-1) (fixed later */
    default:
        es_format_Init( fmt, UNKNOWN_ES, 0 );
        break;
    }
    /* PES packets usually contain truncated frames */
    fmt->b_packetized = false;
posted on 2018-02-22 16:13 TS,MPEG2,dvbc专家 阅读(18) 评论(0)  编辑 收藏 引用
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