Function handle_file

tools/ismindex.c:495–612

}

static int handle_file(struct Tracks *tracks, const char *file, int split,
                       int ismf, const char *basename,
                       const char* output_prefix)
{
    AVFormatContext *ctx = NULL;
    int err = 0, i, orig_tracks = tracks->nb_tracks;
    char *ptr;
    struct Track *track;

    err = avformat_open_input(&ctx, file, NULL, NULL);
    if (err < 0) {
        fprintf(stderr, "Unable to open %s: %s\n", file, av_err2str(err));
        return 1;
    }

    err = avformat_find_stream_info(ctx, NULL);
    if (err < 0) {
        fprintf(stderr, "Unable to identify %s: %s\n", file, av_err2str(err));
        goto fail;
    }

    if (ctx->nb_streams < 1) {
        fprintf(stderr, "No streams found in %s\n", file);
        goto fail;
    }

    for (i = 0; i < ctx->nb_streams; i++) {
        struct Track **temp;
        AVStream *st = ctx->streams[i];

        if (st->codecpar->bit_rate == 0) {
            fprintf(stderr, "Skipping track %d in %s as it has zero bitrate\n",
                    st->id, file);
            continue;
        }

        track = av_mallocz(sizeof(*track));
        if (!track) {
            err = AVERROR(ENOMEM);
            goto fail;
        }
        temp = av_realloc_array(tracks->tracks,
                                tracks->nb_tracks + 1,
                                sizeof(*tracks->tracks));
        if (!temp) {
            av_free(track);
            err = AVERROR(ENOMEM);
            goto fail;
        }
        tracks->tracks = temp;
        tracks->tracks[tracks->nb_tracks] = track;

        track->name = file;
        if ((ptr = strrchr(file, '/')))
            track->name = ptr + 1;

        track->bitrate   = st->codecpar->bit_rate;
        track->track_id  = st->id;