diff options
Diffstat (limited to 'stream/stream_cdda.c')
| -rw-r--r-- | stream/stream_cdda.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/stream/stream_cdda.c b/stream/stream_cdda.c index dd8405a4a1..ed7725107b 100644 --- a/stream/stream_cdda.c +++ b/stream/stream_cdda.c @@ -226,10 +226,42 @@ static void close_cdda(stream_t *s) cdda_close(p->cd); } +static int get_track_by_sector(cdda_priv *p, unsigned int sector) +{ + int i; + for (i = p->cd->tracks; i >= 0; --i) + if (p->cd->disc_toc[i].dwStartSector <= sector) + break; + return i; +} + static int control(stream_t *stream, int cmd, void *arg) { cdda_priv *p = stream->priv; switch (cmd) { + case STREAM_CTRL_GET_NUM_CHAPTERS: + { + int start_track = get_track_by_sector(p, p->start_sector); + int end_track = get_track_by_sector(p, p->end_sector); + if (start_track == -1 || end_track == -1) + return STREAM_ERROR; + *(unsigned int *)arg = end_track + 1 - start_track; + return STREAM_OK; + } + case STREAM_CTRL_GET_CHAPTER_TIME: + { + int track = *(double *)arg; + int start_track = get_track_by_sector(p, p->start_sector); + int end_track = get_track_by_sector(p, p->end_sector); + track += start_track; + if (track > end_track) + return STREAM_ERROR; + int64_t sector = p->cd->disc_toc[track].dwStartSector; + int64_t pos = sector * CDIO_CD_FRAMESIZE_RAW; + // Assume standard audio CD: 44.1khz, 2 channels, s16 samples + *(double *)arg = pos / (44100.0 * 2 * 2); + return STREAM_OK; + } case STREAM_CTRL_GET_SIZE: *(int64_t *)arg = (p->end_sector + 1 - p->start_sector) * CDIO_CD_FRAMESIZE_RAW; |