JNIEXPORT jint JNICALL Java_com_ssb_droidsound_plugins_OpenMPTPlugin_N_1getIntInfo(JNIEnv *env, jobject obj, jlong song, jint what)
{
openmpt_module* mod = (openmpt_module*)song;
switch(what)
{
case INFO_LENGTH:
return openmpt_module_get_duration_seconds(mod) * 1000;
case INFO_SUBTUNES:
return openmpt_module_get_num_subsongs(mod);
case INFO_STARTTUNE:
return 0;
case INFO_CHANNELS:
return openmpt_module_get_num_channels(mod);
case INFO_PATTERNS:
return openmpt_module_get_num_patterns(mod);
}
return -1;
}
static int read_header_openmpt(AVFormatContext *s)
{
AVStream *st;
OpenMPTContext *openmpt = s->priv_data;
int64_t size;
char *buf;
#if OPENMPT_API_VERSION_AT_LEAST(0,3,0)
int error;
#endif
int ret;
size = avio_size(s->pb);
if (size <= 0)
return AVERROR_INVALIDDATA;
buf = av_malloc(size);
if (!buf)
return AVERROR(ENOMEM);
size = avio_read(s->pb, buf, size);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "Reading input buffer failed.\n");
av_freep(&buf);
return size;
}
#if OPENMPT_API_VERSION_AT_LEAST(0,3,0)
error = OPENMPT_ERROR_OK;
openmpt->module = openmpt_module_create_from_memory2(buf, size, openmpt_logfunc, s, NULL, NULL, &error, NULL, NULL);
av_freep(&buf);
if (!openmpt->module) {
if (error == OPENMPT_ERROR_OUT_OF_MEMORY)
return AVERROR(ENOMEM);
else if (error >= OPENMPT_ERROR_GENERAL)
return AVERROR_INVALIDDATA;
else
return AVERROR_UNKNOWN;
}
#else
openmpt->module = openmpt_module_create_from_memory(buf, size, openmpt_logfunc, s, NULL);
av_freep(&buf);
if (!openmpt->module)
return AVERROR_INVALIDDATA;
#endif
openmpt->channels = av_get_channel_layout_nb_channels(openmpt->layout);
if (openmpt->subsong >= openmpt_module_get_num_subsongs(openmpt->module)) {
openmpt_module_destroy(openmpt->module);
av_log(s, AV_LOG_ERROR, "Invalid subsong index: %d\n", openmpt->subsong);
return AVERROR(EINVAL);
}
if (openmpt->subsong != -2) {
if (openmpt->subsong >= 0) {
av_dict_set_int(&s->metadata, "track", openmpt->subsong + 1, 0);
}
ret = openmpt_module_select_subsong(openmpt->module, openmpt->subsong);
if (!ret){
openmpt_module_destroy(openmpt->module);
av_log(s, AV_LOG_ERROR, "Could not select requested subsong: %d", openmpt->subsong);
return AVERROR(EINVAL);
}
}
openmpt->duration = openmpt_module_get_duration_seconds(openmpt->module);
add_meta(s, "artist", openmpt_module_get_metadata(openmpt->module, "artist"));
add_meta(s, "title", openmpt_module_get_metadata(openmpt->module, "title"));
add_meta(s, "encoder", openmpt_module_get_metadata(openmpt->module, "tracker"));
add_meta(s, "comment", openmpt_module_get_metadata(openmpt->module, "message"));
add_meta(s, "date", openmpt_module_get_metadata(openmpt->module, "date"));
st = avformat_new_stream(s, NULL);
if (!st) {
openmpt_module_destroy(openmpt->module);
openmpt->module = NULL;
return AVERROR(ENOMEM);
}
avpriv_set_pts_info(st, 64, 1, AV_TIME_BASE);
st->duration = llrint(openmpt->duration*AV_TIME_BASE);
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_NE(AV_CODEC_ID_PCM_F32BE, AV_CODEC_ID_PCM_F32LE);
st->codecpar->channels = openmpt->channels;
st->codecpar->sample_rate = openmpt->sample_rate;
return 0;
}