diff options
Diffstat (limited to 'plugins/shn')
| -rw-r--r-- | plugins/shn/shn.c | 53 |
1 files changed, 25 insertions, 28 deletions
diff --git a/plugins/shn/shn.c b/plugins/shn/shn.c index 28fb8bd7..6f9faf74 100644 --- a/plugins/shn/shn.c +++ b/plugins/shn/shn.c @@ -67,7 +67,7 @@ typedef struct { shn_config shn_cfg; DB_fileinfo_t * -shn_open (void) { +shn_open (uint32_t hints) { DB_fileinfo_t *_info = malloc (sizeof (shn_fileinfo_t)); shn_fileinfo_t *info = (shn_fileinfo_t *)_info; memset (info, 0, sizeof (shn_fileinfo_t)); @@ -355,9 +355,10 @@ shn_init(DB_fileinfo_t *_info, DB_playItem_t *it) { return -1; } - _info->bps = info->shnfile->wave_header.bits_per_sample; - _info->channels = info->shnfile->wave_header.channels; - _info->samplerate = info->shnfile->wave_header.samples_per_sec; + _info->fmt.bps = info->shnfile->wave_header.bits_per_sample; + _info->fmt.channels = info->shnfile->wave_header.channels; + _info->fmt.samplerate = info->shnfile->wave_header.samples_per_sec; + _info->fmt.channelmask = _info->fmt.channels == 1 ? DDB_SPEAKER_FRONT_LEFT : (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT); _info->plugin = &plugin; int totalsamples = info->shnfile->wave_header.length * info->shnfile->wave_header.samples_per_sec; @@ -732,22 +733,21 @@ shn_decode (shn_fileinfo_t *info) { } int -shn_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) { +shn_read (DB_fileinfo_t *_info, char *bytes, int size) { shn_fileinfo_t *info = (shn_fileinfo_t *)_info; - if (info->currentsample + size / (2 * _info->channels) > info->endsample) { - size = (info->endsample - info->currentsample + 1) * 2 * _info->channels; + int samplesize = _info->fmt.channels * _info->fmt.bps / 8; + if (info->currentsample + size / samplesize > info->endsample) { + size = (info->endsample - info->currentsample + 1) * samplesize; if (size <= 0) { return 0; } } int initsize = size; - int ch = min (_info->channels, 2); - int sample_size = ch * (_info->bps >> 3); while (size > 0) { if (info->shnfile->vars.bytes_in_buf > 0) { - int n = size / sample_size; - int nsamples = info->shnfile->vars.bytes_in_buf / (_info->channels * 2); + int n = size / samplesize; + int nsamples = info->shnfile->vars.bytes_in_buf / samplesize; if (info->skipsamples > 0) { int nskip = min(nsamples, info->skipsamples); info->skipsamples -= nskip; @@ -756,26 +756,23 @@ shn_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) { continue; } else { - memmove (info->shnfile->vars.buffer, info->shnfile->vars.buffer + nskip * (_info->channels * 2), info->shnfile->vars.bytes_in_buf - nskip * (_info->channels * 2)); + memmove (info->shnfile->vars.buffer, info->shnfile->vars.buffer + nskip * samplesize, info->shnfile->vars.bytes_in_buf - nskip * samplesize); nsamples -= nskip; continue; } } n = min (nsamples, n); char *src = info->shnfile->vars.buffer; - for (int i = 0; i < n; i++) { - memcpy (bytes, src, sample_size); - bytes += sample_size; - src += _info->channels * 2; - } - - size -= n * sample_size; - if (n == info->shnfile->vars.bytes_in_buf / (_info->channels * 2)) { + memcpy (bytes, src, samplesize * n); + src += samplesize * n; + bytes += samplesize * n; + size -= n * samplesize; + if (n == info->shnfile->vars.bytes_in_buf / samplesize) { info->shnfile->vars.bytes_in_buf = 0; } else { - memmove (info->shnfile->vars.buffer, src, info->shnfile->vars.bytes_in_buf - n * (_info->channels * 2)); - info->shnfile->vars.bytes_in_buf -= n * (_info->channels * 2); + memmove (info->shnfile->vars.buffer, src, info->shnfile->vars.bytes_in_buf - n * samplesize); + info->shnfile->vars.bytes_in_buf -= n * samplesize; } continue; } @@ -785,7 +782,7 @@ shn_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) { } } - info->currentsample += (initsize-size) / sample_size; + info->currentsample += (initsize-size) / samplesize; if (size != 0) { trace ("shn_read_int16 eof\n"); } @@ -798,7 +795,7 @@ shn_seek_sample (DB_fileinfo_t *_info, int sample) { sample += info->startsample; - info->shnfile->vars.seek_to = sample / _info->samplerate; + info->shnfile->vars.seek_to = sample / _info->fmt.samplerate; if (info->shnfile->vars.seek_table_entries == NO_SEEK_TABLE) { // seek by skipping samples from the start @@ -814,7 +811,7 @@ shn_seek_sample (DB_fileinfo_t *_info, int sample) { } info->skipsamples = sample; } - info->currentsample = info->shnfile->vars.seek_to * _info->samplerate; + info->currentsample = info->shnfile->vars.seek_to * _info->fmt.samplerate; _info->readpos = info->shnfile->vars.seek_to; return 0; } @@ -853,14 +850,14 @@ shn_seek_sample (DB_fileinfo_t *_info, int sample) { info->shnfile->vars.bytes_in_buf = 0; - info->currentsample = info->shnfile->vars.seek_to * _info->samplerate; + info->currentsample = info->shnfile->vars.seek_to * _info->fmt.samplerate; _info->readpos = info->shnfile->vars.seek_to; return 0; } int shn_seek (DB_fileinfo_t *_info, float time) { - return shn_seek_sample (_info, time * _info->samplerate); + return shn_seek_sample (_info, time * _info->fmt.samplerate); return 0; } @@ -1805,7 +1802,7 @@ static DB_decoder_t plugin = { .open = shn_open, .init = shn_init, .free = shn_free, - .read_int16 = shn_read_int16, + .read = shn_read, .seek = shn_seek, .seek_sample = shn_seek_sample, .insert = shn_insert, |