---
libavformat/tta.c | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/libavformat/tta.c b/libavformat/tta.c
index d7d4117..0b2337b 100644
--- a/libavformat/tta.c
+++ b/libavformat/tta.c
@@ -27,6 +27,8 @@
typedef struct {
int totalframes, currentframe;
+ int frame_size;
+ int last_frame_size;
} TTAContext;
static int tta_probe(AVProbeData *p)
@@ -42,7 +44,7 @@ static int tta_read_header(AVFormatContext *s)
{
TTAContext *c = s->priv_data;
AVStream *st;
- int i, channels, bps, samplerate, datalen, framelen;
+ int i, channels, bps, samplerate, datalen;
uint64_t framepos, start_offset;
if (!av_dict_get(s->metadata, "", NULL, AV_DICT_IGNORE_SUFFIX))
@@ -69,8 +71,11 @@ static int tta_read_header(AVFormatContext *s)
avio_skip(s->pb, 4); // header crc
- framelen = samplerate*256/245;
- c->totalframes = datalen / framelen + ((datalen % framelen) ? 1 : 0);
+ c->frame_size = samplerate * 256 / 245;
+ c->last_frame_size = datalen % c->frame_size;
+ if (!c->last_frame_size)
+ c->last_frame_size = c->frame_size;
+ c->totalframes = datalen / c->frame_size + (c->last_frame_size <
c->frame_size);
c->currentframe = 0;
if(c->totalframes >= UINT_MAX/sizeof(uint32_t)){
@@ -90,7 +95,8 @@ static int tta_read_header(AVFormatContext *s)
for (i = 0; i < c->totalframes; i++) {
uint32_t size = avio_rl32(s->pb);
- av_add_index_entry(st, framepos, i*framelen, size, 0,
AVINDEX_KEYFRAME);
+ av_add_index_entry(st, framepos, i * c->frame_size, size, 0,
+ AVINDEX_KEYFRAME);
framepos += size;
}
avio_skip(s->pb, 4); // seektable crc
@@ -132,6 +138,8 @@ static int tta_read_packet(AVFormatContext *s, AVPacket
*pkt)
ret = av_get_packet(s->pb, pkt, size);
pkt->dts = st->index_entries[c->currentframe++].timestamp;
+ pkt->duration = c->currentframe == c->totalframes ? c->last_frame_size :
+ c->frame_size;
return ret;
}
--
1.7.1
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