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ffmpeg
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clean up 4xm demuxer; make valgrind just a little happier 

Originally committed as revision 2296 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2003-09-20 21:54:33 +00:00
parent b9ebf325c6
commit e7106d5b8e
2 changed files with 7 additions and 15 deletions
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19
libavformat/4xm.c
View File

@ -89,6 +89,9 @@ typedef struct FourxmDemuxContext {
static int fourxm_probe(AVProbeData *p)
{
if (p->buf_size < 12)
return 0;
if ((LE_32(&p->buf[0]) != RIFF_TAG) ||
(LE_32(&p->buf[8]) != _4XMV_TAG))
return 0;
@ -242,7 +245,6 @@ static int fourxm_read_packet(AVFormatContext *s,
return ret;
fourcc_tag = LE_32(&header[0]);
size = LE_32(&header[4]);
//printf(" %8X %c%c%c%c %d\n", fourcc_tag, fourcc_tag, fourcc_tag>>8, fourcc_tag>>16, fourcc_tag>>24, size);
if (url_feof(pb))
return -EIO;
switch (fourcc_tag) {
@ -256,10 +258,7 @@ static int fourxm_read_packet(AVFormatContext *s,
case pfrm_TAG:
case cfrm_TAG:{
int id, whole;
static int stats[1000];
/* bump the pts if this last data sent out was audio */
/* bump the pts if the last data sent out was audio */
if (fourxm->last_chunk_was_audio) {
fourxm->last_chunk_was_audio = 0;
pts_inc = fourxm->last_audio_frame_count;
@ -277,13 +276,6 @@ static int stats[1000];
memcpy(pkt->data, header, 8);
ret = get_buffer(&s->pb, &pkt->data[8], size);
if (fourcc_tag == cfrm_TAG) {
id = LE_32(&pkt->data[12]);
whole = LE_32(&pkt->data[16]);
stats[id] += size - 12;
//printf(" cfrm chunk id:%d size:%d whole:%d until now:%d\n", id, size, whole, stats[id]);
}
if (ret < 0)
av_free_packet(pkt);
else
@ -292,13 +284,11 @@ stats[id] += size - 12;
}
case snd__TAG:
printf (" snd_ chunk, ");
track_number = get_le32(pb);
out_size= get_le32(pb);
size-=8;
if (track_number == fourxm->selected_track) {
printf ("correct track, dispatching...\n");
if (av_new_packet(pkt, size))
return -EIO;
pkt->stream_index =
@ -317,7 +307,6 @@ printf ("correct track, dispatching...\n");
fourxm->tracks[fourxm->selected_track].channels);
} else {
printf ("wrong track, skipping...\n");
url_fseek(pb, size, SEEK_CUR);
}
break;

3
libavformat/idroq.c
View File

@ -62,6 +62,9 @@ typedef struct RoqDemuxContext {
static int roq_probe(AVProbeData *p)
{
if (p->buf_size < 6)
return 0;
if ((LE_16(&p->buf[0]) != RoQ_MAGIC_NUMBER) ||
(LE_32(&p->buf[2]) != 0xFFFFFFFF))
return 0;