* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+#include "libavcodec/bitstream.h"
#include "avformat.h"
-#include "bitstream.h"
typedef struct {
int totalframes, currentframe;
int i, channels, bps, samplerate, datalen, framelen;
uint64_t framepos;
- if (get_le32(&s->pb) != ff_get_fourcc("TTA1"))
+ if (get_le32(s->pb) != ff_get_fourcc("TTA1"))
return -1; // not tta file
- url_fskip(&s->pb, 2); // FIXME: flags
- channels = get_le16(&s->pb);
- bps = get_le16(&s->pb);
- samplerate = get_le32(&s->pb);
+ url_fskip(s->pb, 2); // FIXME: flags
+ channels = get_le16(s->pb);
+ bps = get_le16(s->pb);
+ samplerate = get_le32(s->pb);
if(samplerate <= 0 || samplerate > 1000000){
av_log(s, AV_LOG_ERROR, "nonsense samplerate\n");
return -1;
}
- datalen = get_le32(&s->pb);
+ datalen = get_le32(s->pb);
if(datalen < 0){
av_log(s, AV_LOG_ERROR, "nonsense datalen\n");
return -1;
}
- url_fskip(&s->pb, 4); // header crc
+ url_fskip(s->pb, 4); // header crc
framelen = samplerate*256/245;
c->totalframes = datalen / framelen + ((datalen % framelen) ? 1 : 0);
st->start_time = 0;
st->duration = datalen;
- framepos = url_ftell(&s->pb) + 4*c->totalframes + 4;
+ framepos = url_ftell(s->pb) + 4*c->totalframes + 4;
for (i = 0; i < c->totalframes; i++) {
- uint32_t size = get_le32(&s->pb);
+ uint32_t size = get_le32(s->pb);
av_add_index_entry(st, framepos, i*framelen, size, 0, AVINDEX_KEYFRAME);
framepos += size;
}
- url_fskip(&s->pb, 4); // seektable crc
+ url_fskip(s->pb, 4); // seektable crc
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_TTA;
st->codec->channels = channels;
st->codec->sample_rate = samplerate;
- st->codec->bits_per_sample = bps;
+ st->codec->bits_per_coded_sample = bps;
- st->codec->extradata_size = url_ftell(&s->pb);
+ st->codec->extradata_size = url_ftell(s->pb);
if(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)st->codec->extradata_size){
//this check is redundant as get_buffer should fail
av_log(s, AV_LOG_ERROR, "extradata_size too large\n");
return -1;
}
st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE);
- url_fseek(&s->pb, 0, SEEK_SET);
- get_buffer(&s->pb, st->codec->extradata, st->codec->extradata_size);
+ url_fseek(s->pb, 0, SEEK_SET);
+ get_buffer(s->pb, st->codec->extradata, st->codec->extradata_size);
return 0;
}
size = st->index_entries[c->currentframe].size;
- ret = av_get_packet(&s->pb, pkt, size);
+ ret = av_get_packet(s->pb, pkt, size);
pkt->dts = st->index_entries[c->currentframe++].timestamp;
return ret;
}
return -1;
c->currentframe = index;
- url_fseek(&s->pb, st->index_entries[index].pos, SEEK_SET);
+ url_fseek(s->pb, st->index_entries[index].pos, SEEK_SET);
return 0;
}
AVInputFormat tta_demuxer = {
"tta",
- "true-audio",
+ NULL_IF_CONFIG_SMALL("True Audio"),
sizeof(TTAContext),
tta_probe,
tta_read_header,