static bool
mp3_open(struct input_stream *is, struct mp3_data *data,
struct decoder *decoder, struct tag **tag)
{
mp3_data_init(data, decoder, is);
*tag = NULL;
if (!mp3_decode_first_frame(data, tag)) {
mp3_data_finish(data);
if (tag && *tag)
tag_free(*tag);
return false;
}
return true;
}
/* this is primarily used for getting total time for tags */
static int
mad_decoder_total_file_time(struct input_stream *is)
{
struct mp3_data data;
int ret;
mp3_data_init(&data, NULL, is);
if (!mp3_decode_first_frame(&data, NULL))
ret = -1;
else
ret = data.total_time + 0.5;
mp3_data_finish(&data);
return ret;
}
/* this is primarily used for getting total time for tags */
static int mp3_total_file_time(const char *file)
{
struct input_stream input_stream;
struct mp3_data data;
int ret;
if (!input_stream_open(&input_stream, file))
return -1;
mp3_data_init(&data, NULL, &input_stream);
if (!mp3_decode_first_frame(&data, NULL, NULL))
ret = -1;
else
ret = data.total_time + 0.5;
mp3_data_finish(&data);
input_stream_close(&input_stream);
return ret;
}
