Musepack SV7: try to read files without number of frames provided
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
parent
2cb6dec61c
commit
0cdd1208be
@ -70,7 +70,15 @@ static int mpc_read_header(AVFormatContext *s, AVFormatParameters *ap)
|
||||
av_log(s, AV_LOG_ERROR, "Too many frames, seeking is not possible\n");
|
||||
return -1;
|
||||
}
|
||||
c->frames = av_malloc(c->fcount * sizeof(MPCFrame));
|
||||
if(c->fcount){
|
||||
c->frames = av_malloc(c->fcount * sizeof(MPCFrame));
|
||||
if(!c->frames){
|
||||
av_log(s, AV_LOG_ERROR, "Cannot allocate seektable\n");
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
}else{
|
||||
av_log(s, AV_LOG_WARNING, "Container reports no frames\n");
|
||||
}
|
||||
c->curframe = 0;
|
||||
c->lastframe = -1;
|
||||
c->curbits = 8;
|
||||
@ -111,7 +119,7 @@ static int mpc_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
int ret, size, size2, curbits, cur = c->curframe;
|
||||
int64_t tmp, pos;
|
||||
|
||||
if (c->curframe >= c->fcount)
|
||||
if (c->curframe >= c->fcount && c->fcount)
|
||||
return -1;
|
||||
|
||||
if(c->curframe != c->lastframe + 1){
|
||||
@ -133,7 +141,7 @@ static int mpc_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
avio_seek(s->pb, pos, SEEK_SET);
|
||||
|
||||
size = ((size2 + curbits + 31) & ~31) >> 3;
|
||||
if(cur == c->frames_noted){
|
||||
if(cur == c->frames_noted && c->fcount){
|
||||
c->frames[cur].pos = pos;
|
||||
c->frames[cur].size = size;
|
||||
c->frames[cur].skip = curbits - 20;
|
||||
@ -146,7 +154,7 @@ static int mpc_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
return AVERROR(EIO);
|
||||
|
||||
pkt->data[0] = curbits;
|
||||
pkt->data[1] = (c->curframe > c->fcount);
|
||||
pkt->data[1] = (c->curframe > c->fcount) && c->fcount;
|
||||
pkt->data[2] = 0;
|
||||
pkt->data[3] = 0;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user