static int process_input(int file_index)

{

    InputFile *ifile = input_files[file_index];

    AVFormatContext *is;

    InputStream *ist;

    AVPacket pkt;

    int ret, i, j;



    is  = ifile->ctx;

    ret = get_input_packet(ifile, &pkt);



    if (ret == AVERROR(EAGAIN)) {

        ifile->eagain = 1;

        return ret;

    }

    if (ret < 0) {

        if (ret != AVERROR_EOF) {

            print_error(is->filename, ret);

            if (exit_on_error)

                exit_program(1);

        }

        ifile->eof_reached = 1;



        for (i = 0; i < ifile->nb_streams; i++) {

            ist = input_streams[ifile->ist_index + i];

            if (ist->decoding_needed)

                output_packet(ist, NULL);



            /* mark all outputs that don't go through lavfi as finished */

            for (j = 0; j < nb_output_streams; j++) {

                OutputStream *ost = output_streams[j];



                if (ost->source_index == ifile->ist_index + i &&

                    (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))

                    close_output_stream(ost);

            }

        }



        return AVERROR(EAGAIN);

    }



    reset_eagain();



    if (do_pkt_dump) {

        av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,

                         is->streams[pkt.stream_index]);

    }

    /* the following test is needed in case new streams appear

       dynamically in stream : we ignore them */

    if (pkt.stream_index >= ifile->nb_streams) {

        report_new_stream(file_index, &pkt);

        goto discard_packet;

    }



    ist = input_streams[ifile->ist_index + pkt.stream_index];

    if (ist->discard)

        goto discard_packet;



    if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){

        uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);

        uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);

        ist->wrap_correction_done = 1;

        if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {

            pkt.dts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

        if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {

            pkt.pts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

    }



    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);

    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);



    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts *= ist->ts_scale;

    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts *= ist->ts_scale;



    if (debug_ts) {

        av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "

                "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s  pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",

                ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),

                av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),

                av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),

                av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),

                av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),

                input_files[ist->file_index]->ts_offset);

    }



    if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&

        !copy_ts) {

        int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);

        int64_t delta   = pkt_dts - ist->next_dts;

        if (is->iformat->flags & AVFMT_TS_DISCONT) {

        if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||

            (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&

                ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||

            pkt_dts+1<ist->pts){

            ifile->ts_offset -= delta;

            av_log(NULL, AV_LOG_DEBUG,

                   "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",

                   delta, ifile->ts_offset);

            pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

            if (pkt.pts != AV_NOPTS_VALUE)

                pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

        }

        } else {

            if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

               ) {

                av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);

                pkt.dts = AV_NOPTS_VALUE;

            }

            if (pkt.pts != AV_NOPTS_VALUE){

                int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);

                delta   = pkt_pts - ist->next_dts;

                if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                    (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

                   ) {

                    av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);

                    pkt.pts = AV_NOPTS_VALUE;

                }

            }

        }

    }



    sub2video_heartbeat(ist, pkt.pts);



    ret = output_packet(ist, &pkt);

    if (ret < 0) {

        char buf[128];

        av_strerror(ret, buf, sizeof(buf));

        av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",

                ist->file_index, ist->st->index, buf);

        if (exit_on_error)

            exit_program(1);

    }



discard_packet:

    av_free_packet(&pkt);



    return 0;

}

static int process_input(int file_index)

{

    InputFile *ifile = input_files[file_index];

    AVFormatContext *is;

    InputStream *ist;

    AVPacket pkt;

    int ret, i, j;



    is  = ifile->ctx;

    ret = get_input_packet(ifile, &pkt);



    if (ret == AVERROR(EAGAIN)) {

        ifile->eagain = 1;

        return ret;

    }

    if (ret < 0) {

        if (ret != AVERROR_EOF) {

            print_error(is->filename, ret);

            if (exit_on_error)

                exit_program(1);

        }

        ifile->eof_reached = 1;



        for (i = 0; i < ifile->nb_streams; i++) {

            ist = input_streams[ifile->ist_index + i];

            if (ist->decoding_needed)

                output_packet(ist, NULL);



            

            for (j = 0; j < nb_output_streams; j++) {

                OutputStream *ost = output_streams[j];



                if (ost->source_index == ifile->ist_index + i &&

                    (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))

                    close_output_stream(ost);

            }

        }



        return AVERROR(EAGAIN);

    }



    reset_eagain();



    if (do_pkt_dump) {

        av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,

                         is->streams[pkt.stream_index]);

    }

    



    if (pkt.stream_index >= ifile->nb_streams) {

        report_new_stream(file_index, &pkt);

        goto discard_packet;

    }



    ist = input_streams[ifile->ist_index + pkt.stream_index];

    if (ist->discard)

        goto discard_packet;



    if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){

        uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);

        uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);

        ist->wrap_correction_done = 1;

        if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {

            pkt.dts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

        if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {

            pkt.pts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

    }



    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);

    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);



    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts *= ist->ts_scale;

    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts *= ist->ts_scale;



    if (debug_ts) {

        av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "

                "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s  pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",

                ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),

                av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),

                av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),

                av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),

                av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),

                input_files[ist->file_index]->ts_offset);

    }



    if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&

        !copy_ts) {

        int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);

        int64_t delta   = pkt_dts - ist->next_dts;

        if (is->iformat->flags & AVFMT_TS_DISCONT) {

        if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||

            (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&

                ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||

            pkt_dts+1<ist->pts){

            ifile->ts_offset -= delta;

            av_log(NULL, AV_LOG_DEBUG,

                   "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",

                   delta, ifile->ts_offset);

            pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

            if (pkt.pts != AV_NOPTS_VALUE)

                pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

        }

        } else {

            if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

               ) {

                av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);

                pkt.dts = AV_NOPTS_VALUE;

            }

            if (pkt.pts != AV_NOPTS_VALUE){

                int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);

                delta   = pkt_pts - ist->next_dts;

                if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                    (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

                   ) {

                    av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);

                    pkt.pts = AV_NOPTS_VALUE;

                }

            }

        }

    }



    sub2video_heartbeat(ist, pkt.pts);



    ret = output_packet(ist, &pkt);

    if (ret < 0) {

        char buf[128];

        av_strerror(ret, buf, sizeof(buf));

        av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",

                ist->file_index, ist->st->index, buf);

        if (exit_on_error)

            exit_program(1);

    }



discard_packet:

    av_free_packet(&pkt);



    return 0;

}

        uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);         uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);         if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {             pkt.dts -= 1LL<<ist->st->pts_wrap_bits;         if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {             pkt.pts -= 1LL<<ist->st->pts_wrap_bits;
static int FUNC_0(int VAR_0)

{

    InputFile *ifile = input_files[VAR_0];

    AVFormatContext *is;

    InputStream *ist;

    AVPacket pkt;

    int VAR_1, VAR_2, VAR_3;



    is  = ifile->ctx;

    VAR_1 = get_input_packet(ifile, &pkt);



    if (VAR_1 == AVERROR(EAGAIN)) {

        ifile->eagain = 1;

        return VAR_1;

    }

    if (VAR_1 < 0) {

        if (VAR_1 != AVERROR_EOF) {

            print_error(is->filename, VAR_1);

            if (exit_on_error)

                exit_program(1);

        }

        ifile->eof_reached = 1;



        for (VAR_2 = 0; VAR_2 < ifile->nb_streams; VAR_2++) {

            ist = input_streams[ifile->ist_index + VAR_2];

            if (ist->decoding_needed)

                output_packet(ist, NULL);



            

            for (VAR_3 = 0; VAR_3 < nb_output_streams; VAR_3++) {

                OutputStream *ost = output_streams[VAR_3];



                if (ost->source_index == ifile->ist_index + VAR_2 &&

                    (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))

                    close_output_stream(ost);

            }

        }



        return AVERROR(EAGAIN);

    }



    reset_eagain();



    if (do_pkt_dump) {

        av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,

                         is->streams[pkt.stream_index]);

    }

    



    if (pkt.stream_index >= ifile->nb_streams) {

        report_new_stream(VAR_0, &pkt);

        goto discard_packet;

    }



    ist = input_streams[ifile->ist_index + pkt.stream_index];

    if (ist->discard)

        goto discard_packet;



    if(!ist->wrap_correction_done && input_files[VAR_0]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){

        uint64_t stime = av_rescale_q(input_files[VAR_0]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);

        uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);

        ist->wrap_correction_done = 1;

        if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {

            pkt.dts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

        if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {

            pkt.pts -= 1LL<<ist->st->pts_wrap_bits;

            ist->wrap_correction_done = 0;

        }

    }



    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);

    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);



    if (pkt.pts != AV_NOPTS_VALUE)

        pkt.pts *= ist->ts_scale;

    if (pkt.dts != AV_NOPTS_VALUE)

        pkt.dts *= ist->ts_scale;



    if (debug_ts) {

        av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "

                "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s  pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",

                ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),

                av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),

                av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),

                av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),

                av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),

                input_files[ist->VAR_0]->ts_offset);

    }



    if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&

        !copy_ts) {

        int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);

        int64_t delta   = pkt_dts - ist->next_dts;

        if (is->iformat->flags & AVFMT_TS_DISCONT) {

        if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||

            (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&

                ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||

            pkt_dts+1<ist->pts){

            ifile->ts_offset -= delta;

            av_log(NULL, AV_LOG_DEBUG,

                   "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",

                   delta, ifile->ts_offset);

            pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

            if (pkt.pts != AV_NOPTS_VALUE)

                pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);

        }

        } else {

            if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

               ) {

                av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);

                pkt.dts = AV_NOPTS_VALUE;

            }

            if (pkt.pts != AV_NOPTS_VALUE){

                int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);

                delta   = pkt_pts - ist->next_dts;

                if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||

                    (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)

                   ) {

                    av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);

                    pkt.pts = AV_NOPTS_VALUE;

                }

            }

        }

    }



    sub2video_heartbeat(ist, pkt.pts);



    VAR_1 = output_packet(ist, &pkt);

    if (VAR_1 < 0) {

        char VAR_4[128];

        av_strerror(VAR_1, VAR_4, sizeof(VAR_4));

        av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",

                ist->VAR_0, ist->st->index, VAR_4);

        if (exit_on_error)

            exit_program(1);

    }



discard_packet:

    av_free_packet(&pkt);



    return 0;

}

static int FUNC_0(int VAR_0)
{ InputFile *ifile = input_files[VAR_0]; AVFormatContext *is; InputStream *ist; AVPacket pkt; int VAR_1, VAR_2, VAR_3; is  = ifile->ctx; VAR_1 = get_input_packet(ifile, &pkt); if (VAR_1 == AVERROR(EAGAIN)) { ifile->eagain = 1; return VAR_1; } if (VAR_1 < 0) { if (VAR_1 != AVERROR_EOF) { print_error(is->filename, VAR_1); if (exit_on_error)
exit_program(1); } ifile->eof_reached = 1; for (VAR_2 = 0; VAR_2 < ifile->nb_streams; VAR_2++) { ist = input_streams[ifile->ist_index + VAR_2]; if (ist->decoding_needed)
output_packet(ist, NULL); for (VAR_3 = 0; VAR_3 < nb_output_streams; VAR_3++) { OutputStream *ost = output_streams[VAR_3]; if (ost->source_index == ifile->ist_index + VAR_2 &&
(ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
close_output_stream(ost); } } return AVERROR(EAGAIN); } reset_eagain(); if (do_pkt_dump) { av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
is->streams[pkt.stream_index]); } if (pkt.stream_index >= ifile->nb_streams) { report_new_stream(VAR_0, &pkt); goto discard_packet; } ist = input_streams[ifile->ist_index + pkt.stream_index]; if (ist->discard)
goto discard_packet; if(!ist->wrap_correction_done && input_files[VAR_0]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){ uint64_t stime = av_rescale_q(input_files[VAR_0]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base); uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits); ist->wrap_correction_done = 1; if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) { pkt.dts -= 1LL<<ist->st->pts_wrap_bits; ist->wrap_correction_done = 0; } if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) { pkt.pts -= 1LL<<ist->st->pts_wrap_bits; ist->wrap_correction_done = 0; } } if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts *= ist->ts_scale; if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts *= ist->ts_scale; if (debug_ts) { av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
"next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s  pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
input_files[ist->VAR_0]->ts_offset); } if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
!copy_ts) { int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); int64_t delta   = pkt_dts - ist->next_dts; if (is->iformat->flags & AVFMT_TS_DISCONT) { if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
(delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
pkt_dts+1<ist->pts){ ifile->ts_offset -= delta; av_log(NULL, AV_LOG_DEBUG,
"timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
delta, ifile->ts_offset); pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); } } else { if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
(delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
) { av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index); pkt.dts = AV_NOPTS_VALUE; } if (pkt.pts != AV_NOPTS_VALUE){ int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q); delta   = pkt_pts - ist->next_dts; if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
(delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
) { av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); pkt.pts = AV_NOPTS_VALUE; } } } } sub2video_heartbeat(ist, pkt.pts); VAR_1 = output_packet(ist, &pkt); if (VAR_1 < 0) { char VAR_4[128]; av_strerror(VAR_1, VAR_4, sizeof(VAR_4)); av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
ist->VAR_0, ist->st->index, VAR_4); if (exit_on_error)
exit_program(1); } discard_packet:
av_free_packet(&pkt); return 0; }