/*****************************************************************
* Stream initialization
* \return STREAM_OK if success, STREAM_ERROR otherwise
*/
static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
radio_priv_t* priv;
float frequency=0;
int i;
if (strncmp("radio://",stream->url,8) != 0)
return STREAM_UNSUPPORTED;
if(mode != STREAM_READ)
return STREAM_UNSUPPORTED;
priv=calloc(1,sizeof(radio_priv_t));
if (!priv)
return STREAM_ERROR;
priv->radio_param=opts;
#ifdef CONFIG_RADIO_CAPTURE
if (priv->radio_param->capture && strncmp("capture",priv->radio_param->capture,7)==0)
priv->do_capture=1;
else
priv->do_capture=0;
#endif
if (strncmp(priv->radio_param->driver,"default",7)==0)
priv->driver=radio_drivers[0];
else
priv->driver=NULL;
mp_tmsg(MSGT_RADIO,MSGL_V,"[radio] Available drivers: ");
for(i=0; radio_drivers[i]; i++) {
mp_msg(MSGT_RADIO,MSGL_V,"%s, ",radio_drivers[i]->name);
if(strcmp(priv->radio_param->driver,radio_drivers[i]->name)==0)
priv->driver=radio_drivers[i];
}
mp_msg(MSGT_RADIO,MSGL_V,"\n");
if(priv->driver)
mp_msg(MSGT_RADIO, MSGL_INFO, priv->driver->info);
else {
mp_tmsg(MSGT_RADIO, MSGL_INFO, "[radio] Unknown driver name: %s\n",priv->radio_param->driver);
close_s(stream);
return STREAM_ERROR;
}
stream->type = STREAMTYPE_RADIO;
/* using rawaudio demuxer */
*file_format = DEMUXER_TYPE_RAWAUDIO;
stream->flags = STREAM_READ;
priv->radio_fd=-1;
stream->start_pos=0;
stream->end_pos=0;
stream->priv=priv;
stream->close=close_s;
stream->fill_buffer=fill_buffer_s;
priv->radio_fd = open(priv->radio_param->device, O_RDONLY);
if (priv->radio_fd < 0) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] Unable to open '%s': %s\n",
priv->radio_param->device, strerror(errno));
close_s(stream);
return STREAM_ERROR;
}
mp_tmsg(MSGT_RADIO, MSGL_V, "[radio] Radio fd: %d, %s\n", priv->radio_fd,priv->radio_param->device);
fcntl(priv->radio_fd, F_SETFD, FD_CLOEXEC);
get_volume(priv, &priv->old_snd_volume);
set_volume(priv,0);
if (init_frac(priv)!=STREAM_OK) {
close_s(stream);
return STREAM_ERROR;
};
if (parse_channels(priv,priv->radio_param->freq_channel,&frequency)!=STREAM_OK) {
close_s(stream);
return STREAM_ERROR;
}
if ((frequency<priv->rangelow)||(frequency>priv->rangehigh)) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] Wrong frequency: %.2f\n",frequency);
close_s(stream);
return STREAM_ERROR;
} else
mp_tmsg(MSGT_RADIO, MSGL_INFO, "[radio] Using frequency: %.2f.\n",frequency);
if(set_frequency(priv,frequency)!=STREAM_OK) {
close_s(stream);
return STREAM_ERROR;
}
if (init_audio(priv)!=STREAM_OK) {
close_s(stream);
return STREAM_ERROR;
}
#if defined(CONFIG_RADIO_CAPTURE) && defined(CONFIG_STREAM_CACHE)
if(priv->do_capture) {
//5 second cache
if(!stream_enable_cache(stream,5*priv->audio_in.samplerate*priv->audio_in.channels*
priv->audio_in.bytes_per_sample,2*priv->audio_in.samplerate*priv->audio_in.channels*
priv->audio_in.bytes_per_sample,priv->audio_in.blocksize)) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] Call to stream_enable_cache failed: %s\n",strerror(errno));
close_s(stream);
return STREAM_ERROR;
}
}
#endif
set_volume(priv,priv->radio_param->volume);
return STREAM_OK;
}
struct demuxer *demux_open_withparams(struct MPOpts *opts, stream_t *vs,
int file_format, int audio_id, int video_id, int dvdsub_id,
char *filename, struct demuxer_params *params)
{
stream_t *as = NULL, *ss = NULL;
demuxer_t *vd, *ad = NULL, *sd = NULL;
demuxer_t *res;
int afmt = DEMUXER_TYPE_UNKNOWN, sfmt = DEMUXER_TYPE_UNKNOWN;
int demuxer_type;
int audio_demuxer_type = 0, sub_demuxer_type = 0;
int demuxer_force = 0, audio_demuxer_force = 0, sub_demuxer_force = 0;
if ((demuxer_type =
get_demuxer_type_from_name(opts->demuxer_name, &demuxer_force)) < 0) {
mp_msg(MSGT_DEMUXER, MSGL_ERR, "-demuxer %s does not exist.\n",
opts->demuxer_name);
return NULL;
}
if ((audio_demuxer_type =
get_demuxer_type_from_name(opts->audio_demuxer_name,
&audio_demuxer_force)) < 0) {
mp_msg(MSGT_DEMUXER, MSGL_ERR, "-audio-demuxer %s does not exist.\n",
opts->audio_demuxer_name);
if (opts->audio_stream)
return NULL;
}
if ((sub_demuxer_type =
get_demuxer_type_from_name(opts->sub_demuxer_name,
&sub_demuxer_force)) < 0) {
mp_msg(MSGT_DEMUXER, MSGL_ERR, "-sub-demuxer %s does not exist.\n",
opts->sub_demuxer_name);
if (opts->sub_stream)
return NULL;
}
if (opts->audio_stream) {
as = open_stream(opts->audio_stream, 0, &afmt);
if (!as) {
mp_tmsg(MSGT_DEMUXER, MSGL_ERR, "Cannot open audio stream: %s\n",
opts->audio_stream);
return NULL;
}
if (opts->audio_stream_cache) {
if (!stream_enable_cache
(as, opts->audio_stream_cache * 1024,
opts->audio_stream_cache * 1024 *
(opts->stream_cache_min_percent / 100.0),
opts->audio_stream_cache * 1024 *
(opts->stream_cache_seek_min_percent / 100.0))) {
free_stream(as);
mp_msg(MSGT_DEMUXER, MSGL_ERR,
"Can't enable audio stream cache\n");
return NULL;
}
}
}
if (opts->sub_stream) {
ss = open_stream(opts->sub_stream, 0, &sfmt);
if (!ss) {
mp_tmsg(MSGT_DEMUXER, MSGL_ERR, "Cannot open subtitle stream: %s\n",
opts->sub_stream);
return NULL;
}
}
vd = demux_open_stream(opts, vs, demuxer_type ? demuxer_type : file_format,
demuxer_force, opts->audio_stream ? -2 : audio_id,
video_id, opts->sub_stream ? -2 : dvdsub_id,
filename, params);
if (!vd) {
if (as)
free_stream(as);
if (ss)
free_stream(ss);
return NULL;
}
if (as) {
ad = demux_open_stream(opts, as,
audio_demuxer_type ? audio_demuxer_type : afmt,
audio_demuxer_force, audio_id, -2, -2,
opts->audio_stream, params);
if (!ad) {
mp_tmsg(MSGT_DEMUXER, MSGL_WARN, "Failed to open audio demuxer: %s\n",
opts->audio_stream);
free_stream(as);
} else if (ad->audio->sh
&& ((sh_audio_t *) ad->audio->sh)->format == 0x55) // MP3
opts->hr_mp3_seek = 1; // Enable high res seeking
}
if (ss) {
sd = demux_open_stream(opts, ss,
sub_demuxer_type ? sub_demuxer_type : sfmt,
sub_demuxer_force, -2, -2, dvdsub_id,
opts->sub_stream, params);
if (!sd) {
mp_tmsg(MSGT_DEMUXER, MSGL_WARN,
"Failed to open subtitle demuxer: %s\n", opts->sub_stream);
free_stream(ss);
}
}
if (ad && sd)
res = new_demuxers_demuxer(vd, ad, sd);
else if (ad)
res = new_demuxers_demuxer(vd, ad, vd);
else if (sd)
res = new_demuxers_demuxer(vd, vd, sd);
else
res = vd;
opts->correct_pts = opts->user_correct_pts;
if (opts->correct_pts < 0)
opts->correct_pts =
demux_control(vd ? vd : res, DEMUXER_CTRL_CORRECT_PTS,
NULL) == DEMUXER_CTRL_OK;
return res;
}
