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10l fix memory allocation

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5304 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmos4 2002-03-24 03:07:18 +00:00
parent a316f53a83
commit 582d209217
2 changed files with 15 additions and 8 deletions
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8
libmpdemux/demux_mov.c
View File

@ -707,7 +707,7 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Found MPEG4 audio Elementary Stream Descriptor atom (%d)!\n", atom_len);
if(atom_len >= 8) {
esds_t *esds = (esds_t *)malloc(sizeof(esds_t));
if(!mp4_parse_esds(&trak->stdata[36], atom_len-8, esds)) {
if(esds && !mp4_parse_esds(&trak->stdata[36], atom_len-8, esds)) {
sh->i_bps = esds->avgBitrate/8;
@ -716,7 +716,11 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
sh->codecdata = (unsigned char *)malloc(sh->codecdata_len);
memcpy(sh->codecdata, esds->decoderConfig, sh->codecdata_len);
}
free(esds);
if(esds) {
if(esds->decoderConfig)
free(esds->decoderConfig);
free(esds);
}
#if 0
{ FILE* f=fopen("esds.dat","wb");
fwrite(&trak->stdata[36],atom_len-8,1,f);

15
libmpdemux/parse_mp4.c
View File

@ -13,6 +13,7 @@
#include "stream.h"
#define MP4_DL MSGL_V
#define freereturn(a,b) free(a); return b
int mp4_read_descr_len(stream_t *s) {
uint8_t b;
@ -45,7 +46,7 @@ int mp4_parse_esds(unsigned char *data, int datalen, esds_t *esds) {
if (tag == MP4ESDescrTag) {
/* read length */
if ((len = mp4_read_descr_len(s)) < 5 + 15) {
return 1;
freereturn(s,1);
}
esds->ESId = stream_read_word(s);
esds->streamPriority = stream_read_char(s);
@ -65,12 +66,12 @@ int mp4_parse_esds(unsigned char *data, int datalen, esds_t *esds) {
/* get and verify DecoderConfigDescrTab */
if (stream_read_char(s) != MP4DecConfigDescrTag) {
return 1;
freereturn(s,1);
}
/* read length */
if ((len = mp4_read_descr_len(s)) < 15) {
return 1;
freereturn(s,1);
}
esds->objectTypeId = stream_read_char(s);
@ -91,13 +92,12 @@ int mp4_parse_esds(unsigned char *data, int datalen, esds_t *esds) {
/* get and verify DecSpecificInfoTag */
if (stream_read_char(s) != MP4DecSpecificDescrTag) {
return 1;
freereturn(s,1);
}
/* read length */
esds->decoderConfigLen = len = mp4_read_descr_len(s);
free(esds->decoderConfig);
esds->decoderConfig = malloc(esds->decoderConfigLen);
if (esds->decoderConfig) {
stream_read(s, esds->decoderConfig, esds->decoderConfigLen);
@ -108,7 +108,10 @@ int mp4_parse_esds(unsigned char *data, int datalen, esds_t *esds) {
"ESDS MPEG4 Decoder Specific Descriptor (%dBytes)\n", len);
/* will skip the remainder of the atom */
return 0;
freereturn(s,0);
}
#undef freereturn
#undef MP4_DL