diff options
| -rw-r--r-- | src/demuxers/demux_dts.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/demuxers/demux_dts.c b/src/demuxers/demux_dts.c index 67737480f..7ffac330f 100644 --- a/src/demuxers/demux_dts.c +++ b/src/demuxers/demux_dts.c @@ -19,7 +19,7 @@ * * Raw DTS Demuxer by James Stembridge (jstembridge@gmail.com) * - * $Id: demux_dts.c,v 1.2 2005/05/28 09:29:46 jstembridge Exp $ + * $Id: demux_dts.c,v 1.3 2005/05/28 11:41:26 jstembridge Exp $ */ #ifdef HAVE_CONFIG_H @@ -47,6 +47,7 @@ #include "group_audio.h" #define DATA_TAG 0x61746164 +#define PEAK_SIZE 7056 /* 3 raw cd frames */ typedef struct { demux_plugin_t demux_plugin; @@ -78,19 +79,35 @@ static const int dts_sample_rates[] = static int open_dts_file(demux_dts_t *this) { int i, offset = 0; uint32_t syncword = 0; - int peak_size; - uint8_t peak[MAX_PREVIEW_SIZE]; + int peak_size = 0; + uint32_t blocksize; + uint8_t peak[PEAK_SIZE]; lprintf("open_dts_file\n"); /* block based demuxer (i.e. cdda) will only allow reads in block * sized pieces */ - peak_size = this->input->get_blocksize(this->input); - if (!peak_size) + blocksize = this->input->get_blocksize(this->input); + if (blocksize && INPUT_IS_SEEKABLE(this->input)) { + int read; + + this->input->seek(this->input, 0, SEEK_SET); + while (peak_size < PEAK_SIZE) { + read = this->input->read(this->input, &peak[peak_size], blocksize); + if (read) + peak_size += read; + else + break; + } + this->input->seek(this->input, 0, SEEK_SET); + } else { peak_size = MAX_PREVIEW_SIZE; - if (_x_demux_read_header(this->input, peak, peak_size) != peak_size) - return 0; + if (_x_demux_read_header(this->input, peak, peak_size) != peak_size) + return 0; + } + + lprintf("peak size: %d\n", peak_size); /* Check for wav header, as we'll handle DTS with a wav header shoved * on the front for CD burning */ |