printf ("Subtitle time!\n"); printf ("  inglish: %s\n", &text[i + 1]);
av_log (s, AV_LOG_DEBUG, "Subtitle time!\n"); av_log (s, AV_LOG_DEBUG, "  inglish: %s\n", &text[i + 1]);
static int wc3_read_packet(AVFormatContext *s,                           AVPacket *pkt){    Wc3DemuxContext *wc3 = (Wc3DemuxContext *)s->priv_data;    ByteIOContext *pb = &s->pb;    unsigned int fourcc_tag;    unsigned int size;    int packet_read = 0;    int ret = 0;    unsigned char preamble[WC3_PREAMBLE_SIZE];    unsigned char text[1024];    unsigned int palette_number;    int i;    unsigned char r, g, b;    int base_palette_index;    while (!packet_read) {        /* get the next chunk preamble */        if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=            WC3_PREAMBLE_SIZE)            ret = -EIO;        fourcc_tag = LE_32(&preamble[0]);        /* chunk sizes are 16-bit aligned */        size = (BE_32(&preamble[4]) + 1) & (~1);        switch (fourcc_tag) {        case BRCH_TAG:            /* no-op */            break;        case SHOT_TAG:            /* load up new palette */            if ((ret = get_buffer(pb, preamble, 4)) != 4)                return -EIO;            palette_number = LE_32(&preamble[0]);            if (palette_number >= wc3->palette_count)                return AVERROR_INVALIDDATA;            base_palette_index = palette_number * PALETTE_COUNT * 3;            for (i = 0; i < PALETTE_COUNT; i++) {                r = wc3->palettes[base_palette_index + i * 3 + 0];                g = wc3->palettes[base_palette_index + i * 3 + 1];                b = wc3->palettes[base_palette_index + i * 3 + 2];                wc3->palette_control.palette[i] = (r << 16) | (g << 8) | (b);            }            wc3->palette_control.palette_changed = 1;            break;        case VGA__TAG:            /* send out video chunk */            if (av_new_packet(pkt, size))                ret = -EIO;            pkt->stream_index = wc3->video_stream_index;            pkt->pts = wc3->pts;            ret = get_buffer(pb, pkt->data, size);            if (ret != size)                ret = -EIO;            packet_read = 1;            break;        case TEXT_TAG:            /* subtitle chunk */#if 0            url_fseek(pb, size, SEEK_CUR);#else            if ((ret = get_buffer(pb, text, size)) != size)                ret = -EIO;            else {                int i = 0;                printf ("Subtitle time!\n");                printf ("  inglish: %s\n", &text[i + 1]);                i += text[i] + 1;                printf ("  doytsch: %s\n", &text[i + 1]);                i += text[i] + 1;                printf ("  fronsay: %s\n", &text[i + 1]);            }#endif            break;        case AUDI_TAG:            /* send out audio chunk */            if (av_new_packet(pkt, size))                ret = -EIO;            pkt->stream_index = wc3->audio_stream_index;            pkt->pts = wc3->pts;            ret = get_buffer(pb, pkt->data, size);            if (ret != size)                ret = -EIO;            /* time to advance pts */            wc3->pts += WC3_FRAME_PTS_INC;            packet_read = 1;            break;        default:            printf ("  unrecognized WC3 chunk: %c%c%c%c (0x%02X%02X%02X%02X)\n",                preamble[0], preamble[1], preamble[2], preamble[3],                preamble[0], preamble[1], preamble[2], preamble[3]);            ret = AVERROR_INVALIDDATA;            packet_read = 1;            break;        }    }    return ret;}