OMX_S32 AudioDecoder::FindAudioCodec(sh_audio_t *sh_audio){
unsigned int orig_fourcc = sh_audio->wf ? sh_audio->wf->wFormatTag : 0;
int force = 0;
unsigned int i;
sh_audio->codec = NULL;
sh_audio->ad_driver = 0;
// restore original fourcc:
if (sh_audio->wf)
sh_audio->wf->wFormatTag = i = orig_fourcc;
while(1)
{
sh_audio->codec = find_audio_codec(sh_audio->format,
sh_audio->wf ? (&i) : NULL,
sh_audio->codec, force);
if(!sh_audio->codec){
ALOGE("not find codec!");
return 0;
}
sh_audio->ad_driver = (ad_functions *)decFactor.CreateAudioDecoder(sh_audio->codec->drv);
if(!sh_audio->ad_driver)
continue;
ALOGE("sh_audio->codec->drv=%s dll=%s",sh_audio->codec->drv,sh_audio->codec->dll);
if (init_audio_codec(sh_audio)) {
break;
}else
decFactor.~DecFactor();
}
if (sh_audio->wf)
sh_audio->wf->wFormatTag = i;
return 1;
}
static int init_audio(sh_audio_t *sh_audio, char *codecname, char *afm,
int status, stringset_t *selected)
{
unsigned int orig_fourcc = sh_audio->wf ? sh_audio->wf->wFormatTag : 0;
int force = 0;
if (codecname && codecname[0] == '+') {
codecname = &codecname[1];
force = 1;
}
sh_audio->codec = NULL;
while (1) {
const ad_functions_t *mpadec;
int i;
sh_audio->ad_driver = 0;
// restore original fourcc:
if (sh_audio->wf)
sh_audio->wf->wFormatTag = i = orig_fourcc;
if (!(sh_audio->codec = find_audio_codec(sh_audio->format,
sh_audio->wf ? (&i) : NULL,
sh_audio->codec, force)))
break;
if (sh_audio->wf)
sh_audio->wf->wFormatTag = i;
// ok we found one codec
if (stringset_test(selected, sh_audio->codec->name))
continue; // already tried & failed
if (codecname && strcmp(sh_audio->codec->name, codecname))
continue; // -ac
if (afm && strcmp(sh_audio->codec->drv, afm))
continue; // afm doesn't match
if (!force && sh_audio->codec->status < status)
continue; // too unstable
stringset_add(selected, sh_audio->codec->name); // tagging it
// ok, it matches all rules, let's find the driver!
for (i = 0; mpcodecs_ad_drivers[i] != NULL; i++)
if (!strcmp(mpcodecs_ad_drivers[i]->info->short_name,
sh_audio->codec->drv))
break;
mpadec = mpcodecs_ad_drivers[i];
#ifdef CONFIG_DYNAMIC_PLUGINS
if (!mpadec) {
/* try to open shared decoder plugin */
int buf_len;
char *buf;
ad_functions_t *funcs_sym;
ad_info_t *info_sym;
buf_len =
strlen(MPLAYER_LIBDIR) + strlen(sh_audio->codec->drv) + 16;
buf = malloc(buf_len);
if (!buf)
break;
snprintf(buf, buf_len, "%s/mplayer/ad_%s.so", MPLAYER_LIBDIR,
sh_audio->codec->drv);
mp_msg(MSGT_DECAUDIO, MSGL_DBG2,
"Trying to open external plugin: %s\n", buf);
sh_audio->dec_handle = dlopen(buf, RTLD_LAZY);
if (!sh_audio->dec_handle)
break;
snprintf(buf, buf_len, "mpcodecs_ad_%s", sh_audio->codec->drv);
funcs_sym = dlsym(sh_audio->dec_handle, buf);
if (!funcs_sym || !funcs_sym->info || !funcs_sym->preinit
|| !funcs_sym->init || !funcs_sym->uninit
|| !funcs_sym->control || !funcs_sym->decode_audio)
break;
info_sym = funcs_sym->info;
if (strcmp(info_sym->short_name, sh_audio->codec->drv))
break;
free(buf);
mpadec = funcs_sym;
mp_msg(MSGT_DECAUDIO, MSGL_V,
"Using external decoder plugin (%s/mplayer/ad_%s.so)!\n",
MPLAYER_LIBDIR, sh_audio->codec->drv);
}
#endif
if (!mpadec) { // driver not available (==compiled in)
mp_tmsg(MSGT_DECAUDIO, MSGL_ERR,
"Requested audio codec family [%s] (afm=%s) not available.\nEnable it at compilation.\n",
sh_audio->codec->name, sh_audio->codec->drv);
continue;
}
// it's available, let's try to init!
// init()
mp_tmsg(MSGT_DECAUDIO, MSGL_INFO, "Opening audio decoder: [%s] %s\n",
mpadec->info->short_name, mpadec->info->name);
sh_audio->ad_driver = mpadec;
if (!init_audio_codec(sh_audio)) {
mp_tmsg(MSGT_DECAUDIO, MSGL_WARN,
"Could not open audio decoder %s.\n",
mpadec->info->short_name);
continue; // try next...
}
// Yeah! We got it!
return 1;
}
return 0;
}
