Exemple #1
0
ini_t *ini_parse(const gchar *buf, gsize len) {
    ini_parser_t *parser;
    if (buf == NULL || len == 0) {
        return NULL;
    }

    parser = g_new0(ini_parser_t, 1);
    parser->tokenizer = ini_tokenizer_new(buf, len);
    parser->ini = ini_new();

    while (next_token(parser)->type != INI_TOKEN_EOF) {
        skip_whitespace(parser);
        switch (parser->curr_token->type) {
            case INI_TOKEN_EOL:
            case INI_TOKEN_EOF:
                continue;
            case INI_TOKEN_BRACKET_LEFT:
                parse_section_header(parser);
                break;
            case INI_TOKEN_TEXT:
                parse_key_value_pair(parser);
                break;
            case INI_TOKEN_SEMICOLON:
                skip_comment(parser);
                break;
            default:
                // XXX: Error. Log error and continue or shut down?
                break;
        }
    }

    return parser->ini;
};
Exemple #2
0
/* add all services found in the PAT */
static void pat_scan_cb(void *opaque, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end;
    int sid, pmt_pid;
    char *provider_name, *name;
    char buf[256];

#ifdef DEBUG_SI
    printf("PAT:\n");
    av_hex_dump(stdout, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
    if (h->tid != PAT_TID)
        return;

    for(;;) {
        sid = get16(&p, p_end);
        if (sid < 0)
            break;
        pmt_pid = get16(&p, p_end) & 0x1fff;
        if (pmt_pid < 0)
            break;
#ifdef DEBUG_SI
        printf("sid=0x%x pid=0x%x\n", sid, pmt_pid);
#endif
        if (sid == 0x0000) {
            /* NIT info */
        } else {
            /* add the service with a dummy name */
            snprintf(buf, sizeof(buf), "Service %x\n", sid);
            name = av_strdup(buf);
            provider_name = av_strdup("");
            if (name && provider_name) {
                new_service(ts, sid, provider_name, name);
            } else {
                av_freep(&name);
                av_freep(&provider_name);
            }
        }
    }
    ts->stop_parse = 1;

    /* remove filter */
    mpegts_close_filter(ts, ts->pat_filter);
    ts->pat_filter = NULL;
}
Exemple #3
0
static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = filter->u.section_filter.opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end;
    int sid, pmt_pid;

#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "PAT:\n");
    av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
    if (h->tid != PAT_TID)
        return;

    clear_programs(ts);
    for(;;) {
        sid = get16(&p, p_end);
        if (sid < 0)
            break;
        pmt_pid = get16(&p, p_end) & 0x1fff;
        if (pmt_pid < 0)
            break;
#ifdef DEBUG_SI
        av_log(ts->stream, AV_LOG_DEBUG, "sid=0x%x pid=0x%x\n", sid, pmt_pid);
#endif
        if (sid == 0x0000) {
            /* NIT info */
        } else {
            av_new_program(ts->stream, sid);
            ts->stop_parse--;
            mpegts_open_section_filter(ts, pmt_pid, pmt_cb, ts, 1);
            add_pat_entry(ts, sid);
            add_pid_to_pmt(ts, sid, 0); //add pat pid to program
            add_pid_to_pmt(ts, sid, pmt_pid);
        }
    }
    /* not found */
    ts->stop_parse++;

    mpegts_close_filter(ts, filter);
}
Exemple #4
0
static void pat_cb(void *opaque, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end;
    int sid, pmt_pid;

#ifdef DEBUG_SI
    printf("PAT:\n");
    av_hex_dump(stdout, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
    if (h->tid != PAT_TID)
        return;

    for(;;) {
        sid = get16(&p, p_end);
        if (sid < 0)
            break;
        pmt_pid = get16(&p, p_end) & 0x1fff;
        if (pmt_pid < 0)
            break;
#ifdef DEBUG_SI
        printf("sid=0x%x pid=0x%x\n", sid, pmt_pid);
#endif
        if (sid == 0x0000) {
            /* NIT info */
        } else {
            if (ts->req_sid == sid) {
                ts->pmt_filter = mpegts_open_section_filter(ts, pmt_pid, 
                                                            pmt_cb, ts, 1);
                goto found;
            }
        }
    }
    /* not found */
    ts->set_service_cb(ts->set_service_opaque, -1);

 found:
    mpegts_close_filter(ts, ts->pat_filter);
    ts->pat_filter = NULL;
}
Exemple #5
0
static int hap_decode(AVCodecContext *avctx, void *data,
                      int *got_frame, AVPacket *avpkt)
{
    HapContext *ctx = avctx->priv_data;
    ThreadFrame tframe;
    int ret, length;
    int blocks = avctx->coded_width * avctx->coded_height / (TEXTURE_BLOCK_W * TEXTURE_BLOCK_H);

    bytestream2_init(&ctx->gbc, avpkt->data, avpkt->size);

    /* Check for section header */
    length = parse_section_header(avctx);
    if (length < 0) {
        av_log(avctx, AV_LOG_ERROR, "Frame is too small.\n");
        return length;
    }

    /* Prepare the texture buffer and decompress function */
    ret = setup_texture(avctx, length);
    if (ret < 0)
        return ret;

    /* Get the output frame ready to receive data */
    tframe.f = data;
    ret = ff_thread_get_buffer(avctx, &tframe, 0);
    if (ret < 0)
        return ret;
    if (avctx->codec->update_thread_context)
        ff_thread_finish_setup(avctx);

    /* Use the decompress function on the texture, one block per thread */
    avctx->execute2(avctx, decompress_texture_thread, tframe.f, NULL, blocks);

    /* Frame is ready to be output */
    tframe.f->pict_type = AV_PICTURE_TYPE_I;
    tframe.f->key_frame = 1;
    *got_frame = 1;

    return avpkt->size;
}
Exemple #6
0
static int hap_parse_decode_instructions(HapContext *ctx, int size)
{
    GetByteContext *gbc = &ctx->gbc;
    int section_size;
    enum HapSectionType section_type;
    int is_first_table = 1, had_offsets = 0, had_compressors = 0, had_sizes = 0;
    int i, ret;

    while (size > 0) {
        int stream_remaining = bytestream2_get_bytes_left(gbc);
        ret = parse_section_header(gbc, &section_size, &section_type);
        if (ret != 0)
            return ret;

        size -= stream_remaining - bytestream2_get_bytes_left(gbc);

        switch (section_type) {
            case HAP_ST_COMPRESSOR_TABLE:
                ret = ff_hap_set_chunk_count(ctx, section_size, is_first_table);
                if (ret != 0)
                    return ret;
                for (i = 0; i < section_size; i++) {
                    ctx->chunks[i].compressor = bytestream2_get_byte(gbc) << 4;
                }
                had_compressors = 1;
                is_first_table = 0;
                break;
            case HAP_ST_SIZE_TABLE:
                ret = ff_hap_set_chunk_count(ctx, section_size / 4, is_first_table);
                if (ret != 0)
                    return ret;
                for (i = 0; i < section_size / 4; i++) {
                    ctx->chunks[i].compressed_size = bytestream2_get_le32(gbc);
                }
                had_sizes = 1;
                is_first_table = 0;
                break;
            case HAP_ST_OFFSET_TABLE:
                ret = ff_hap_set_chunk_count(ctx, section_size / 4, is_first_table);
                if (ret != 0)
                    return ret;
                for (i = 0; i < section_size / 4; i++) {
                    ctx->chunks[i].compressed_offset = bytestream2_get_le32(gbc);
                }
                had_offsets = 1;
                is_first_table = 0;
                break;
            default:
                break;
        }
        size -= section_size;
    }

    if (!had_sizes || !had_compressors)
        return AVERROR_INVALIDDATA;

    /* The offsets table is optional. If not present than calculate offsets by
     * summing the sizes of preceding chunks. */
    if (!had_offsets) {
        size_t running_size = 0;
        for (i = 0; i < ctx->chunk_count; i++) {
            ctx->chunks[i].compressed_offset = running_size;
            running_size += ctx->chunks[i].compressed_size;
        }
    }

    return 0;
}
Exemple #7
0
static int hap_parse_frame_header(AVCodecContext *avctx)
{
    HapContext *ctx = avctx->priv_data;
    GetByteContext *gbc = &ctx->gbc;
    int section_size;
    enum HapSectionType section_type;
    const char *compressorstr;
    int i, ret;

    ret = parse_section_header(gbc, &section_size, &section_type);
    if (ret != 0)
        return ret;

    if ((avctx->codec_tag == MKTAG('H','a','p','1') && (section_type & 0x0F) != HAP_FMT_RGBDXT1) ||
        (avctx->codec_tag == MKTAG('H','a','p','5') && (section_type & 0x0F) != HAP_FMT_RGBADXT5) ||
        (avctx->codec_tag == MKTAG('H','a','p','Y') && (section_type & 0x0F) != HAP_FMT_YCOCGDXT5)) {
        av_log(avctx, AV_LOG_ERROR,
               "Invalid texture format %#04x.\n", section_type & 0x0F);
        return AVERROR_INVALIDDATA;
    }

    switch (section_type & 0xF0) {
        case HAP_COMP_NONE:
        case HAP_COMP_SNAPPY:
            ret = ff_hap_set_chunk_count(ctx, 1, 1);
            if (ret == 0) {
                ctx->chunks[0].compressor = section_type & 0xF0;
                ctx->chunks[0].compressed_offset = 0;
                ctx->chunks[0].compressed_size = section_size;
            }
            if (ctx->chunks[0].compressor == HAP_COMP_NONE) {
                compressorstr = "none";
            } else {
                compressorstr = "snappy";
            }
            break;
        case HAP_COMP_COMPLEX:
            ret = parse_section_header(gbc, &section_size, &section_type);
            if (ret == 0 && section_type != HAP_ST_DECODE_INSTRUCTIONS)
                ret = AVERROR_INVALIDDATA;
            if (ret == 0)
                ret = hap_parse_decode_instructions(ctx, section_size);
            compressorstr = "complex";
            break;
        default:
            ret = AVERROR_INVALIDDATA;
            break;
    }

    if (ret != 0)
        return ret;

    /* Check the frame is valid and read the uncompressed chunk sizes */
    ctx->tex_size = 0;
    for (i = 0; i < ctx->chunk_count; i++) {
        HapChunk *chunk = &ctx->chunks[i];

        /* Check the compressed buffer is valid */
        if (chunk->compressed_offset + chunk->compressed_size > bytestream2_get_bytes_left(gbc))
            return AVERROR_INVALIDDATA;

        /* Chunks are unpacked sequentially, ctx->tex_size is the uncompressed
         * size thus far */
        chunk->uncompressed_offset = ctx->tex_size;

        /* Fill out uncompressed size */
        if (chunk->compressor == HAP_COMP_SNAPPY) {
            GetByteContext gbc_tmp;
            int64_t uncompressed_size;
            bytestream2_init(&gbc_tmp, gbc->buffer + chunk->compressed_offset,
                             chunk->compressed_size);
            uncompressed_size = ff_snappy_peek_uncompressed_length(&gbc_tmp);
            if (uncompressed_size < 0) {
                return uncompressed_size;
            }
            chunk->uncompressed_size = uncompressed_size;
        } else if (chunk->compressor == HAP_COMP_NONE) {
            chunk->uncompressed_size = chunk->compressed_size;
        } else {
            return AVERROR_INVALIDDATA;
        }
        ctx->tex_size += chunk->uncompressed_size;
    }

    av_log(avctx, AV_LOG_DEBUG, "%s compressor\n", compressorstr);

    return ret;
}
Exemple #8
0
static void sdt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = filter->u.section_filter.opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int onid, val, sid, desc_list_len, desc_tag, desc_len, service_type;
    char *name, *provider_name;

#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "SDT:\n");
    av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif

    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
    if (h->tid != SDT_TID)
        return;
    onid = get16(&p, p_end);
    if (onid < 0)
        return;
    val = get8(&p, p_end);
    if (val < 0)
        return;
    for(;;) {
        sid = get16(&p, p_end);
        if (sid < 0)
            break;
        val = get8(&p, p_end);
        if (val < 0)
            break;
        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            desc_len = get8(&p, desc_list_end);
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;
#ifdef DEBUG_SI
            av_log(ts->stream, AV_LOG_DEBUG, "tag: 0x%02x len=%d\n",
                   desc_tag, desc_len);
#endif
            switch(desc_tag) {
            case 0x48:
                service_type = get8(&p, p_end);
                if (service_type < 0)
                    break;
                provider_name = getstr8(&p, p_end);
                if (!provider_name)
                    break;
                name = getstr8(&p, p_end);
                if (name) {
                    AVProgram *program = av_new_program(ts->stream, sid);
                    if(program)
                        av_set_program_name(program, provider_name, name);
                }
                av_free(name);
                av_free(provider_name);
                break;
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;
    }
}
Exemple #9
0
static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = filter->u.section_filter.opaque;
    SectionHeader h1, *h = &h1;
    PESContext *pes;
    AVStream *st;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int program_info_length, pcr_pid, pid, stream_type;
    int desc_list_len, desc_len, desc_tag;
    int comp_page = 0, anc_page = 0; /* initialize to kill warnings */
    char language[4] = {0}; /* initialize to kill warnings */
    int has_hdmv_descr = 0;
    int has_dirac_descr = 0;

#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "PMT: len %i\n", section_len);
    av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "sid=0x%x sec_num=%d/%d\n",
           h->id, h->sec_num, h->last_sec_num);
#endif
    if (h->tid != PMT_TID)
        return;

    clear_program(ts, h->id);
    pcr_pid = get16(&p, p_end) & 0x1fff;
    if (pcr_pid < 0)
        return;
    add_pid_to_pmt(ts, h->id, pcr_pid);
#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "pcr_pid=0x%x\n", pcr_pid);
#endif
    program_info_length = get16(&p, p_end) & 0xfff;
    if (program_info_length < 0)
        return;
    while(program_info_length >= 2) {
        uint8_t tag, len;
        tag = get8(&p, p_end);
        len = get8(&p, p_end);
        if(len > program_info_length - 2)
            //something else is broken, exit the program_descriptors_loop
            break;
        program_info_length -= len + 2;
        if(tag == REGISTRATION_DESCRIPTOR && len >= 4) {
            uint8_t bytes[4];
            bytes[0] = get8(&p, p_end);
            bytes[1] = get8(&p, p_end);
            bytes[2] = get8(&p, p_end);
            bytes[3] = get8(&p, p_end);
            len -= 4;
            if(bytes[0] == 'H' && bytes[1] == 'D' &&
               bytes[2] == 'M' && bytes[3] == 'V')
                has_hdmv_descr = 1;
        }
        p += len;
    }
    p += program_info_length;
    if (p >= p_end)
        return;
    for(;;) {
        language[0] = 0;
        st = 0;
        stream_type = get8(&p, p_end);
        if (stream_type < 0)
            break;
        pid = get16(&p, p_end) & 0x1fff;
        if (pid < 0)
            break;
        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            if (stream_type == STREAM_TYPE_PRIVATE_DATA) {
                if((desc_tag == 0x6A) || (desc_tag == 0x7A)) {
                    /*assume DVB AC-3 Audio*/
                    stream_type = STREAM_TYPE_AUDIO_AC3;
                } else if(desc_tag == 0x7B) {
                    /* DVB DTS audio */
                    stream_type = STREAM_TYPE_AUDIO_DTS;
                }
            }
            desc_len = get8(&p, desc_list_end);
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;
#ifdef DEBUG_SI
            av_log(ts->stream, AV_LOG_DEBUG, "tag: 0x%02x len=%d\n",
                   desc_tag, desc_len);
#endif
            switch(desc_tag) {
            case DVB_SUBT_DESCID:
                if (stream_type == STREAM_TYPE_PRIVATE_DATA)
                    stream_type = STREAM_TYPE_SUBTITLE_DVB;

                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                get8(&p, desc_end);
                comp_page = get16(&p, desc_end);
                anc_page = get16(&p, desc_end);

                break;
            case 0x0a: /* ISO 639 language descriptor */
                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                break;
            case REGISTRATION_DESCRIPTOR: /*MPEG-2 Registration descriptor */
                {
                    uint8_t bytes[4];
                    bytes[0] = get8(&p, desc_end);
                    bytes[1] = get8(&p, desc_end);
                    bytes[2] = get8(&p, desc_end);
                    bytes[3] = get8(&p, desc_end);
                    if(bytes[0] == 'd' && bytes[1] == 'r' &&
                       bytes[2] == 'a' && bytes[3] == 'c')
                        has_dirac_descr = 1;
                    break;
                }
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;

#ifdef DEBUG_SI
        av_log(ts->stream, AV_LOG_DEBUG, "stream_type=%d pid=0x%x\n",
               stream_type, pid);
#endif

        /* now create ffmpeg stream */
        switch(stream_type) {
        case STREAM_TYPE_AUDIO_MPEG1:
        case STREAM_TYPE_AUDIO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG1:
        case STREAM_TYPE_VIDEO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG4:
        case STREAM_TYPE_VIDEO_H264:
        case STREAM_TYPE_VIDEO_VC1:
        case STREAM_TYPE_VIDEO_DIRAC:
        case STREAM_TYPE_AUDIO_AAC:
        case STREAM_TYPE_AUDIO_AC3:
        case STREAM_TYPE_AUDIO_DTS:
        case STREAM_TYPE_AUDIO_HDMV_DTS:
        case STREAM_TYPE_SUBTITLE_DVB:
            if((stream_type == STREAM_TYPE_AUDIO_HDMV_DTS && !has_hdmv_descr)
            || (stream_type == STREAM_TYPE_VIDEO_DIRAC    && !has_dirac_descr))
                break;
            if(ts->pids[pid] && ts->pids[pid]->type == MPEGTS_PES){
                pes= ts->pids[pid]->u.pes_filter.opaque;
                st= pes->st;
            }else{
                if (ts->pids[pid]) mpegts_close_filter(ts, ts->pids[pid]); //wrongly added sdt filter probably
                pes = add_pes_stream(ts, pid, pcr_pid, stream_type);
                if (pes)
                    st = new_pes_av_stream(pes, 0);
            }
            add_pid_to_pmt(ts, h->id, pid);
            if(st)
                av_program_add_stream_index(ts->stream, h->id, st->index);
            break;
        default:
            /* we ignore the other streams */
            break;
        }

        if (st) {
            if (language[0] != 0) {
                memcpy(st->language, language, 4);
            }

            if (stream_type == STREAM_TYPE_SUBTITLE_DVB) {
                st->codec->sub_id = (anc_page << 16) | comp_page;
            }
        }
    }
    /* all parameters are there */
    ts->stop_parse++;
    mpegts_close_filter(ts, filter);
}
Exemple #10
0
static void sdt_cb(void *opaque, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int onid, val, sid, desc_list_len, desc_tag, desc_len, service_type;
    char *name, *provider_name;

#ifdef DEBUG_SI
    printf("SDT:\n");
    av_hex_dump(stdout, (uint8_t *)section, section_len);
#endif

    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
    if (h->tid != SDT_TID)
        return;
    onid = get16(&p, p_end);
    if (onid < 0)
        return;
    val = get8(&p, p_end);
    if (val < 0)
        return;
    for(;;) {
        sid = get16(&p, p_end);
        if (sid < 0)
            break;
        val = get8(&p, p_end);
        if (val < 0)
            break;
        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            desc_len = get8(&p, desc_list_end);
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;
#ifdef DEBUG_SI
            printf("tag: 0x%02x len=%d\n", desc_tag, desc_len);
#endif
            switch(desc_tag) {
            case 0x48:
                service_type = get8(&p, p_end);
                if (service_type < 0)
                    break;
                provider_name = getstr8(&p, p_end);
                if (!provider_name)
                    break;
                name = getstr8(&p, p_end);
                if (!name)
                    break;
                new_service(ts, sid, provider_name, name);
                break;
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;
    }
    ts->stop_parse = 1;

    /* remove filter */
    mpegts_close_filter(ts, ts->sdt_filter);
    ts->sdt_filter = NULL;
}
Exemple #11
0
static void pmt_cb(void *opaque, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = opaque;
    SectionHeader h1, *h = &h1;
    const uint8_t *p, *p_end;
    int program_info_length, pcr_pid, pid, stream_type, desc_length;
    
#ifdef DEBUG_SI
    printf("PMT:\n");
    av_hex_dump(stdout, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
#ifdef DEBUG_SI
    printf("sid=0x%x sec_num=%d/%d\n", h->id, h->sec_num, h->last_sec_num);
#endif
    if (h->tid != PMT_TID || (ts->req_sid >= 0 && h->id != ts->req_sid) )
        return;

    pcr_pid = get16(&p, p_end) & 0x1fff;
    if (pcr_pid < 0)
        return;
    ts->pcr_pid = pcr_pid;
#ifdef DEBUG_SI
    printf("pcr_pid=0x%x\n", pcr_pid);
#endif
    program_info_length = get16(&p, p_end) & 0xfff;
    if (program_info_length < 0)
        return;
    p += program_info_length;
    if (p >= p_end)
        return;
    for(;;) {
        stream_type = get8(&p, p_end);
        if (stream_type < 0)
            break;
        pid = get16(&p, p_end) & 0x1fff;
        if (pid < 0)
            break;
        desc_length = get16(&p, p_end) & 0xfff;
        if (desc_length < 0)
            break;
        p += desc_length;
        if (p > p_end)
            return;

#ifdef DEBUG_SI
        printf("stream_type=%d pid=0x%x\n", stream_type, pid);
#endif

        /* now create ffmpeg stream */
        switch(stream_type) {
        case STREAM_TYPE_AUDIO_MPEG1:
        case STREAM_TYPE_AUDIO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG1:
        case STREAM_TYPE_VIDEO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG4:
        case STREAM_TYPE_VIDEO_H264:
        case STREAM_TYPE_AUDIO_AAC:
        case STREAM_TYPE_AUDIO_AC3:
            add_pes_stream(ts, pid, stream_type);
            break;
        default:
            /* we ignore the other streams */
            break;
        }
    }
    /* all parameters are there */
    ts->set_service_cb(ts->set_service_opaque, 0);
    mpegts_close_filter(ts, ts->pmt_filter);
    ts->pmt_filter = NULL;
}
int parse_opal_event_log(char *buf, int buflen, struct opal_event_log_scn **r_log)
{
	struct header_id elog_hdr_id[] = {
				HEADER_ORDER
	};

	int rc;
	struct opal_v6_hdr hdr;
	struct opal_priv_hdr_scn *ph;
	int header_pos;
	struct header_id *hdr_data;
	char *start = buf;
	int nrsections = 0;
	int is_error = 0;
	int i;
	opal_event_log *log = NULL;
	int log_pos = 0;

	*r_log = NULL;
	while (buflen) {
		rc = parse_section_header(&hdr, buf, buflen);
		if (rc < 0) {
			break;
		}

		header_pos = header_id_lookup(elog_hdr_id, HEADER_ORDER_MAX, hdr.id);
		if (header_pos == -1) {
				printf("Unknown section header: %c%c at %lu:\n",
						hdr.id[0], hdr.id[1], buf-start);
				printf("Length: %u (incl 8 byte header)\n", hdr.length);
				printf("Hex:\n");
				for (i = 8; i < hdr.length; i++) {
					printf("0x%02x ", *(buf+i));
					if (i % 16)
						printf("\n");
				}
				printf("Text (. = unprintable):\n");
				for (i = 8; i < hdr.length; i++) {
					printf("%c",
							(isgraph(*(buf+i)) | isspace(*(buf+i))) ?
							*(buf+i) : '.');
				}
		}

		hdr_data = &elog_hdr_id[header_pos];

		nrsections++;

		if (hdr_data->pos != 0 && hdr_data->pos != nrsections &&
				((hdr_data->req & HEADER_REQ) ||
				((hdr_data->req & HEADER_REQ_W_ERROR) && is_error))) {
				fprintf(stderr, "ERROR %s: Section number %d should be "
						"%s, instead is 0x%02x%02x (%c%c)\n",
						__func__, nrsections, hdr_data->id,
						hdr.id[0], hdr.id[1], hdr.id[0], hdr.id[1]);
			rc = -1;
			break;
		}

		if (hdr_data->max == 0) {
			fprintf(stderr, "ERROR %s: Section %s has already appeared the "
					"required times and should not be seen again\n", __func__,
					hdr_data->id);
		} else if (hdr_data->max > 0) {
			hdr_data->max--;
		}

		if (strncmp(hdr.id, "PH", 2) == 0) {
			if (parse_priv_hdr_scn(&ph, &hdr, buf, buflen) == 0) {
				log = create_opal_event_log(ph->scn_count);
				if (!log) {
					free(ph);
					fprintf(stderr, "ERROR %s: Could not allocate internal log buffer\n",
							__func__);
					return -ENOMEM;
				}
				add_opal_event_log_scn(log, "PH", ph, log_pos++);
			} else {
				/* We didn't parse the private header and therefore couldn't malloc
				 * the log array, must stop
				 */
				fprintf(stderr, "ERROR %s: Unable to parse private header section"
						" cannot continue\n", __func__);
				return -EINVAL;
			}
		} else if (strncmp(hdr.id, "UH", 2) == 0) {
			struct opal_usr_hdr_scn *usr;
			if (parse_usr_hdr_scn(&usr, &hdr, buf, buflen,
					      &is_error) == 0) {
				add_opal_event_log_scn(log, "UH", usr, log_pos++);
			}
		} else if (strncmp(hdr.id, "PS", 2) == 0) {
			struct opal_src_scn *src;
			if (parse_src_scn(&src, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "PS", src, log_pos++);
			}
		} else if (strncmp(hdr.id, "EH", 2) == 0) {
			struct opal_eh_scn *eh;
			if (parse_eh_scn(&eh, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "EH", eh, log_pos++);
			}
		} else if (strncmp(hdr.id, "MT", 2) == 0) {
			struct opal_mtms_scn *mtms;
			if (parse_mtms_scn(&mtms, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "MT", mtms, log_pos++);
			}
		} else if (strncmp(hdr.id, "SS", 2) == 0) {
			struct opal_src_scn *src;
			if (parse_src_scn(&src, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "SS", src, log_pos++);
			}
		} else if (strncmp(hdr.id, "DH", 2) == 0) {
			struct opal_dh_scn *dh;
			if (parse_dh_scn(&dh, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "DH", dh, log_pos++);
			}
		} else if (strncmp(hdr.id, "SW", 2) == 0) {
			struct opal_sw_scn *sw;
			if (parse_sw_scn(&sw, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "SW", sw, log_pos++);
			}
		} else if (strncmp(hdr.id, "LP", 2) == 0) {
			struct opal_lp_scn *lp;
			if (parse_lp_scn(&lp, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "LP", lp, log_pos++);
			}
		} else if (strncmp(hdr.id, "LR", 2) == 0) {
			struct opal_lr_scn *lr;
			if (parse_lr_scn(&lr, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "LR", lr, log_pos++);
			}
		} else if (strncmp(hdr.id, "HM", 2) == 0) {
			struct opal_hm_scn *hm;
			if (parse_hm_scn(&hm, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "HM", hm, log_pos++);
			}
		} else if (strncmp(hdr.id, "EP", 2) == 0) {
			struct opal_ep_scn *ep;
			if (parse_ep_scn(&ep, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "EP", ep, log_pos++);
			}
		} else if (strncmp(hdr.id, "IE", 2) == 0) {
			struct opal_ie_scn *ie;
			if (parse_ie_scn(&ie, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "IE", ie, log_pos++);
			}
		} else if (strncmp(hdr.id, "MI", 2) == 0) {
			struct opal_mi_scn *mi;
			if (parse_mi_scn(&mi, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "MI", mi, log_pos++);
			}
		} else if (strncmp(hdr.id, "CH", 2) == 0) {
			struct opal_ch_scn *ch;
			if (parse_ch_scn(&ch, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "CH", ch, log_pos++);
			}
		} else if (strncmp(hdr.id, "UD", 2) == 0) {
			struct opal_ud_scn *ud;
			if (parse_ud_scn(&ud, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "UD", ud, log_pos++);
			}
		} else if (strncmp(hdr.id, "EI", 2) == 0) {
			struct opal_ei_scn *ei;
			if (parse_ei_scn(&ei, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "EI", ei, log_pos++);
			}
		} else if (strncmp(hdr.id, "ED", 2) == 0) {
			struct opal_ed_scn *ed;
			if (parse_ed_scn(&ed, &hdr, buf, buflen) == 0) {
				add_opal_event_log_scn(log, "ED", ed, log_pos++);
			}
		}

		buf += hdr.length;

		if (nrsections == ph->scn_count)
			break;
	}
	if(log) {
		/* we could get here but have failed to parse sections of have an
	 	 * unexpectady truncated buffer pad log with NULLS
	 	 */
		char nulStr2[2] = {'\0','\0'};
		for(i = log_pos; i < ph->scn_count; i++) {
			add_opal_event_log_scn(log, nulStr2, NULL, i);
		}
		*r_log = log;
	}

	for (i = 0; i < HEADER_ORDER_MAX; i++) {
		if (((elog_hdr_id[i].req & HEADER_REQ) ||
					((elog_hdr_id[i].req & HEADER_REQ_W_ERROR) && is_error))
				&& elog_hdr_id[i].max != 0) {
			fprintf(stderr,"ERROR %s: Truncated error log, expected section %s"
					" not found\n", __func__, elog_hdr_id[i].id);
			rc = -EINVAL;
		}
	}

	return rc;
}
Exemple #13
0
static void pmt_cb(void *opaque, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = opaque;
    SectionHeader h1, *h = &h1;
    PESContext *pes;
    AVStream *st;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int program_info_length, pcr_pid, pid, stream_type;
    int desc_list_len, desc_len, desc_tag;
    int comp_page = 0, anc_page = 0; /* initialize to kill warnings */
    char language[4];

#ifdef DEBUG_SI
    printf("PMT:\n");
    av_hex_dump(stdout, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
#ifdef DEBUG_SI
    printf("sid=0x%x sec_num=%d/%d\n", h->id, h->sec_num, h->last_sec_num);
#endif
    if (h->tid != PMT_TID || (ts->req_sid >= 0 && h->id != ts->req_sid) )
        return;

    pcr_pid = get16(&p, p_end) & 0x1fff;
    if (pcr_pid < 0)
        return;
    ts->pcr_pid = pcr_pid;
#ifdef DEBUG_SI
    printf("pcr_pid=0x%x\n", pcr_pid);
#endif
    program_info_length = get16(&p, p_end) & 0xfff;
    if (program_info_length < 0)
        return;
    p += program_info_length;
    if (p >= p_end)
        return;
    for(;;) {
        language[0] = 0;
        st = 0;
        stream_type = get8(&p, p_end);
        if (stream_type < 0)
            break;
        pid = get16(&p, p_end) & 0x1fff;
        if (pid < 0)
            break;
        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            if (stream_type == STREAM_TYPE_PRIVATE_DATA) {
                if((desc_tag == 0x6A) || (desc_tag == 0x7A)) {
                    /*assume DVB AC-3 Audio*/
                    stream_type = STREAM_TYPE_AUDIO_AC3;
                } else if(desc_tag == 0x7B) {
                    /* DVB DTS audio */
                    stream_type = STREAM_TYPE_AUDIO_DTS;
                }
            }
            desc_len = get8(&p, desc_list_end);
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;
#ifdef DEBUG_SI
            printf("tag: 0x%02x len=%d\n", desc_tag, desc_len);
#endif
            switch(desc_tag) {
            case DVB_SUBT_DESCID:
                if (stream_type == STREAM_TYPE_PRIVATE_DATA)
                    stream_type = STREAM_TYPE_SUBTITLE_DVB;

                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                get8(&p, desc_end);
                comp_page = get16(&p, desc_end);
                anc_page = get16(&p, desc_end);

                break;
            case 0x0a: /* ISO 639 language descriptor */
                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                break;
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;

#ifdef DEBUG_SI
        printf("stream_type=%d pid=0x%x\n", stream_type, pid);
#endif

        /* now create ffmpeg stream */
        switch(stream_type) {
        case STREAM_TYPE_AUDIO_MPEG1:
        case STREAM_TYPE_AUDIO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG1:
        case STREAM_TYPE_VIDEO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG4:
        case STREAM_TYPE_VIDEO_H264:
        case STREAM_TYPE_AUDIO_AAC:
        case STREAM_TYPE_AUDIO_AC3:
        case STREAM_TYPE_AUDIO_DTS:
        case STREAM_TYPE_SUBTITLE_DVB:
            pes = add_pes_stream(ts, pid, stream_type);
            if (pes)
                st = new_pes_av_stream(pes, 0);
            break;
        default:
            /* we ignore the other streams */
            break;
        }

        if (st) {
            if (language[0] != 0) {
                st->language[0] = language[0];
                st->language[1] = language[1];
                st->language[2] = language[2];
                st->language[3] = language[3];
            }

            if (stream_type == STREAM_TYPE_SUBTITLE_DVB) {
                st->codec->sub_id = (anc_page << 16) | comp_page;
            }
        }
    }
    /* all parameters are there */
    ts->set_service_cb(ts->set_service_opaque, 0);
    mpegts_close_filter(ts, ts->pmt_filter);
    ts->pmt_filter = NULL;
}
Exemple #14
0
static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = filter->u.section_filter.opaque;
    SectionHeader h1, *h = &h1;
    PESContext *pes;
    AVStream *st;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int program_info_length, pcr_pid, pid, stream_type;
    int desc_list_len, desc_len, desc_tag;
    int comp_page = 0, anc_page = 0; /* initialize to kill warnings */
    char language[4] = {0}; /* initialize to kill warnings */

#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "PMT: len %i\n", section_len);
    av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif
    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;
#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "sid=0x%x sec_num=%d/%d\n",
           h->id, h->sec_num, h->last_sec_num);
#endif
    if (h->tid != PMT_TID)
        return;

    clear_program(ts, h->id);
    pcr_pid = get16(&p, p_end) & 0x1fff;
    if (pcr_pid < 0)
        return;
    add_pid_to_pmt(ts, h->id, pcr_pid);
#ifdef DEBUG_SI
    av_log(ts->stream, AV_LOG_DEBUG, "pcr_pid=0x%x\n", pcr_pid);
#endif
    program_info_length = get16(&p, p_end) & 0xfff;
    if (program_info_length < 0)
        return;
    p += program_info_length;
    if (p >= p_end)
        return;
    for(;;) {
        language[0] = 0;
        st = 0;
        stream_type = get8(&p, p_end);
        if (stream_type < 0)
            break;
        pid = get16(&p, p_end) & 0x1fff;
        if (pid < 0)
            break;
        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            if (stream_type == STREAM_TYPE_PRIVATE_DATA) {
                if((desc_tag == 0x6A) || (desc_tag == 0x7A)) {
                    /*assume DVB AC-3 Audio*/
                    stream_type = STREAM_TYPE_AUDIO_AC3;
                } else if(desc_tag == 0x7B) {
                    /* DVB DTS audio */
                    stream_type = STREAM_TYPE_AUDIO_DTS;
                }
            }
            desc_len = get8(&p, desc_list_end);
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;
#ifdef DEBUG_SI
            av_log(ts->stream, AV_LOG_DEBUG, "tag: 0x%02x len=%d\n",
                   desc_tag, desc_len);
#endif
            switch(desc_tag) {
            case DVB_SUBT_DESCID:
                if (stream_type == STREAM_TYPE_PRIVATE_DATA)
                    stream_type = STREAM_TYPE_SUBTITLE_DVB;

                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                get8(&p, desc_end);
                comp_page = get16(&p, desc_end);
                anc_page = get16(&p, desc_end);

                break;
            case 0x0a: /* ISO 639 language descriptor */
                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                break;
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;

#ifdef DEBUG_SI
        av_log(ts->stream, AV_LOG_DEBUG, "stream_type=%d pid=0x%x\n",
               stream_type, pid);
#endif

        /* now create ffmpeg stream */
        switch(stream_type) {
        case STREAM_TYPE_AUDIO_MPEG1:
        case STREAM_TYPE_AUDIO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG1:
        case STREAM_TYPE_VIDEO_MPEG2:
        case STREAM_TYPE_VIDEO_MPEG4:
        case STREAM_TYPE_VIDEO_H264:
        case STREAM_TYPE_VIDEO_VC1:
        case STREAM_TYPE_AUDIO_AAC:
        case STREAM_TYPE_AUDIO_AC3:
        case STREAM_TYPE_AUDIO_DTS:
        case STREAM_TYPE_SUBTITLE_DVB:
            if(ts->pids[pid]){
                assert(ts->pids[pid]->type == MPEGTS_PES);
                pes= ts->pids[pid]->u.pes_filter.opaque;
                st= pes->st;
            }else{
                pes = add_pes_stream(ts, pid, pcr_pid, stream_type);
                if (pes)
                    st = new_pes_av_stream(pes, 0);
            }
            add_pid_to_pmt(ts, h->id, pid);
            break;
        default:
            /* we ignore the other streams */
            break;
        }

        if (st) {
            if (language[0] != 0) {
                memcpy(st->language, language, 4);
            }

            if (stream_type == STREAM_TYPE_SUBTITLE_DVB) {
                st->codec->sub_id = (anc_page << 16) | comp_page;
            }
        }
    }
    /* all parameters are there */
    ts->stop_parse++;
    mpegts_close_filter(ts, filter);
}
Exemple #15
0
int git_config_parse(
	git_config_parser *parser,
	git_config_parser_section_cb on_section,
	git_config_parser_variable_cb on_variable,
	git_config_parser_comment_cb on_comment,
	git_config_parser_eof_cb on_eof,
	void *data)
{
	git_parse_ctx *ctx;
	char *current_section = NULL, *var_name, *var_value;
	int result = 0;

	ctx = &parser->ctx;

	skip_bom(ctx);

	for (; ctx->remain_len > 0; git_parse_advance_line(ctx)) {
		const char *line_start = parser->ctx.line;
		size_t line_len = parser->ctx.line_len;
		char c;

		if (git_parse_peek(&c, ctx, GIT_PARSE_PEEK_SKIP_WHITESPACE) < 0 &&
		    git_parse_peek(&c, ctx, 0) < 0)
			continue;

		switch (c) {
		case '[': /* section header, new section begins */
			git__free(current_section);
			current_section = NULL;

			if ((result = parse_section_header(parser, &current_section)) == 0 && on_section) {
				result = on_section(parser, current_section, line_start, line_len, data);
			}
			break;

		case '\n': /* comment or whitespace-only */
		case ' ':
		case '\t':
		case ';':
		case '#':
			if (on_comment) {
				result = on_comment(parser, line_start, line_len, data);
			}
			break;

		default: /* assume variable declaration */
			if ((result = parse_variable(parser, &var_name, &var_value)) == 0 && on_variable) {
				result = on_variable(parser, current_section, var_name, var_value, line_start, line_len, data);
			}
			break;
		}

		if (result < 0)
			goto out;
	}

	if (on_eof)
		result = on_eof(parser, current_section, data);

out:
	git__free(current_section);
	return result;
}
Exemple #16
0
static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
    MpegTSContext *ts = filter->u.section_filter.opaque;
    SectionHeader h1, *h = &h1;
    PESContext *pes;
    AVStream *st;
    const uint8_t *p, *p_end, *desc_list_end, *desc_end;
    int program_info_length, pcr_pid, pid, stream_type;
    int desc_list_len, desc_len, desc_tag;
    int comp_page, anc_page;
    char language[4];
    uint32_t prog_reg_desc = 0; /* registration descriptor */

#ifdef DEBUG
    dprintf(ts->stream, "PMT: len %i\n", section_len);
    av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif

    p_end = section + section_len - 4;
    p = section;
    if (parse_section_header(h, &p, p_end) < 0)
        return;

    dprintf(ts->stream, "sid=0x%x sec_num=%d/%d\n",
           h->id, h->sec_num, h->last_sec_num);

    if (h->tid != PMT_TID)
        return;

    clear_program(ts, h->id);
    pcr_pid = get16(&p, p_end) & 0x1fff;
    if (pcr_pid < 0)
        return;
    add_pid_to_pmt(ts, h->id, pcr_pid);

    dprintf(ts->stream, "pcr_pid=0x%x\n", pcr_pid);

    program_info_length = get16(&p, p_end) & 0xfff;
    if (program_info_length < 0)
        return;
    while(program_info_length >= 2) {
        uint8_t tag, len;
        tag = get8(&p, p_end);
        len = get8(&p, p_end);
        if(len > program_info_length - 2)
            //something else is broken, exit the program_descriptors_loop
            break;
        program_info_length -= len + 2;
        if(tag == 0x05 && len >= 4) { // registration descriptor
            prog_reg_desc = bytestream_get_le32(&p);
            len -= 4;
        }
        p += len;
    }
    p += program_info_length;
    if (p >= p_end)
        return;
    for(;;) {
        st = 0;
        stream_type = get8(&p, p_end);
        if (stream_type < 0)
            break;
        pid = get16(&p, p_end) & 0x1fff;
        if (pid < 0)
            break;

        /* now create ffmpeg stream */
        if (ts->pids[pid] && ts->pids[pid]->type == MPEGTS_PES) {
            pes = ts->pids[pid]->u.pes_filter.opaque;
            st = pes->st;
        } else {
            if (ts->pids[pid]) mpegts_close_filter(ts, ts->pids[pid]); //wrongly added sdt filter probably
            pes = add_pes_stream(ts, pid, pcr_pid, stream_type);
            if (pes)
                st = new_pes_av_stream(pes, prog_reg_desc, 0);
        }

        if (!st)
            return;

        add_pid_to_pmt(ts, h->id, pid);

        av_program_add_stream_index(ts->stream, h->id, st->index);

        desc_list_len = get16(&p, p_end) & 0xfff;
        if (desc_list_len < 0)
            break;
        desc_list_end = p + desc_list_len;
        if (desc_list_end > p_end)
            break;
        for(;;) {
            desc_tag = get8(&p, desc_list_end);
            if (desc_tag < 0)
                break;
            desc_len = get8(&p, desc_list_end);
            if (desc_len < 0)
                break;
            desc_end = p + desc_len;
            if (desc_end > desc_list_end)
                break;

            dprintf(ts->stream, "tag: 0x%02x len=%d\n",
                   desc_tag, desc_len);

            if (st->codec->codec_id == CODEC_ID_PROBE &&
                stream_type == STREAM_TYPE_PRIVATE_DATA)
                mpegts_find_stream_type(st, desc_tag, DESC_types);

            switch(desc_tag) {
            case 0x59: /* subtitling descriptor */
                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                get8(&p, desc_end);
                comp_page = get16(&p, desc_end);
                anc_page = get16(&p, desc_end);
                st->codec->sub_id = (anc_page << 16) | comp_page;
                av_metadata_set(&st->metadata, "language", language);
                break;
            case 0x0a: /* ISO 639 language descriptor */
                language[0] = get8(&p, desc_end);
                language[1] = get8(&p, desc_end);
                language[2] = get8(&p, desc_end);
                language[3] = 0;
                av_metadata_set(&st->metadata, "language", language);
                break;
            case 0x05: /* registration descriptor */
                st->codec->codec_tag = bytestream_get_le32(&p);
                dprintf(ts->stream, "reg_desc=%.4s\n", (char*)&st->codec->codec_tag);
                if (st->codec->codec_id == CODEC_ID_PROBE &&
                    stream_type == STREAM_TYPE_PRIVATE_DATA)
                    mpegts_find_stream_type(st, st->codec->codec_tag, REGD_types);
                break;
            default:
                break;
            }
            p = desc_end;
        }
        p = desc_list_end;
    }
    /* all parameters are there */
    ts->stop_parse++;
    mpegts_close_filter(ts, filter);
}