static int
CDDA_init(cdio_CDDAObject *self, PyObject *args, PyObject *kwds)
{
const char *drive = NULL;
self->pcm_module = NULL;
if (!PyArg_ParseTuple(args, "s", &drive))
return -1;
if ((self->pcm_module = PyImport_ImportModule("audiotools.pcm")) == NULL)
return -1;
self->cdrom_drive = cdio_cddap_identify(drive, 0, NULL);
if (self->cdrom_drive == NULL) {
PyErr_SetString(PyExc_IOError,
"error opening CD-ROM");
return -1;
}
if (0 != cdio_cddap_open(self->cdrom_drive)) {
PyErr_SetString(PyExc_IOError,
"error opening CD-ROM");
return -1;
}
self->paranoia = cdio_paranoia_init(self->cdrom_drive);
paranoia_modeset(self->paranoia,
PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
return 0;
}
static av_cold int read_header(AVFormatContext *ctx)
{
CDIOContext *s = ctx->priv_data;
AVStream *st;
int ret, i;
char *err = NULL;
if (!(st = avformat_new_stream(ctx, NULL)))
return AVERROR(ENOMEM);
s->drive = cdio_cddap_identify(ctx->filename, CDDA_MESSAGE_LOGIT, &err);
if (!s->drive) {
av_log(ctx, AV_LOG_ERROR, "Could not open drive %s.\n", ctx->filename);
return AVERROR(EINVAL);
}
if (err) {
av_log(ctx, AV_LOG_VERBOSE, "%s\n", err);
free(err);
}
if ((ret = cdio_cddap_open(s->drive)) < 0 || !s->drive->opened) {
av_log(ctx, AV_LOG_ERROR, "Could not open disk in drive %s.\n", ctx->filename);
return AVERROR(EINVAL);
}
cdio_cddap_verbose_set(s->drive, CDDA_MESSAGE_LOGIT, CDDA_MESSAGE_LOGIT);
if (s->speed)
cdio_cddap_speed_set(s->drive, s->speed);
s->paranoia = cdio_paranoia_init(s->drive);
if (!s->paranoia) {
av_log(ctx, AV_LOG_ERROR, "Could not init paranoia.\n");
return AVERROR(EINVAL);
}
cdio_paranoia_modeset(s->paranoia, s->paranoia_mode);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
if (s->drive->bigendianp)
st->codec->codec_id = AV_CODEC_ID_PCM_S16BE;
else
st->codec->codec_id = AV_CODEC_ID_PCM_S16LE;
st->codec->sample_rate = 44100;
st->codec->channels = 2;
if (s->drive->audio_last_sector != CDIO_INVALID_LSN &&
s->drive->audio_first_sector != CDIO_INVALID_LSN)
st->duration = s->drive->audio_last_sector - s->drive->audio_first_sector;
else if (s->drive->tracks)
st->duration = s->drive->disc_toc[s->drive->tracks].dwStartSector;
avpriv_set_pts_info(st, 64, CDIO_CD_FRAMESIZE_RAW, 2*st->codec->channels*st->codec->sample_rate);
for (i = 0; i < s->drive->tracks; i++) {
char title[16];
snprintf(title, sizeof(title), "track %02d", s->drive->disc_toc[i].bTrack);
avpriv_new_chapter(ctx, i, st->time_base, s->drive->disc_toc[i].dwStartSector,
s->drive->disc_toc[i+1].dwStartSector, title);
}
s->last_sector = cdio_cddap_disc_lastsector(s->drive);
return 0;
}
static int
CDDAReader_init_device(cdio_CDDAReader *self, const char *device)
{
self->_.drive.drive = NULL;
self->_.drive.paranoia = NULL;
self->_.drive.current_sector = 0;
self->_.drive.final_sector = 0;
if ((self->_.drive.drive = cdio_cddap_identify(device, 0, NULL)) == NULL) {
PyErr_SetString(PyExc_IOError, "error opening CD-ROM");
return -1;
}
if (cdio_cddap_open(self->_.drive.drive) != 0) {
PyErr_SetString(PyExc_IOError, "error opening CD-ROM");
return -1;
}
self->_.drive.paranoia = cdio_paranoia_init(self->_.drive.drive);
paranoia_modeset(self->_.drive.paranoia,
PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
self->first_track_num = CDDAReader_first_track_num_device;
self->last_track_num = CDDAReader_last_track_num_device;
self->track_lsn = CDDAReader_track_lsn_device;
self->track_last_lsn = CDDAReader_track_last_lsn_device;
self->first_sector = CDDAReader_first_sector_device;
self->last_sector = CDDAReader_last_sector_device;
self->read = CDDAReader_read_device;
self->seek = CDDAReader_seek_device;
self->set_speed = CDDAReader_set_speed_device;
self->dealloc = CDDAReader_dealloc_device;
self->_.drive.final_sector = self->last_sector(self);
if ((self->_.drive.final_sector == -1) ||
(self->first_sector(self) == -1)) {
PyErr_SetString(PyExc_IOError, "no disc in CD-ROM drive");
return -1;
}
return 0;
}
cdio() {
/* See if we can find a device with a loaded CD-DA in it. */
ppsz_cd_drives = cdio_get_devices_with_cap(NULL, CDIO_FS_AUDIO, false);
if (ppsz_cd_drives) {
/* Found such a CD-ROM with a CD-DA loaded. Use the first drive in the list. */
d = cdio_cddap_identify(*ppsz_cd_drives, 1, NULL);
} else {
printf("Unable find or access a CD-ROM drive with an audio CD in it.\n");
}
/* Don't need a list of CD's with CD-DA's any more. */
if (ppsz_cd_drives) cdio_free_device_list(ppsz_cd_drives);
/* We'll set for verbose paranoia messages. */
if (d) cdio_cddap_verbose_set(d, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);
if ( d && cdio_cddap_open(d) != 0 ) {
printf("Unable to open disc.\n");
}
}
