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avienc: fix AVI stream index for files with >10 streams

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Fixes issue 2563.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 4acc94e97a)
This commit is contained in:
longstone 2011-02-23 10:43:21 -05:00 committed by Michael Niedermayer
parent ebb92e0768
commit 4c262dc140
2 changed files with 9 additions and 2 deletions
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1
libavformat/avi.h
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@ -32,6 +32,7 @@
#define AVI_MAX_RIFF_SIZE 0x40000000LL
#define AVI_MASTER_INDEX_SIZE 256
#define AVI_MAX_STREAM_COUNT 100
/* index flags */
#define AVIIF_INDEX 0x10

10
libavformat/avienc.c
View File

@ -85,8 +85,8 @@ static int64_t avi_start_new_riff(AVFormatContext *s, AVIOContext *pb,
static char* avi_stream2fourcc(char* tag, int index, enum AVMediaType type)
{
tag[0] = '0';
tag[1] = '0' + index;
tag[0] = '0' + index/10;
tag[1] = '0' + index%10;
if (type == AVMEDIA_TYPE_VIDEO) {
tag[2] = 'd';
tag[3] = 'c';
@ -158,6 +158,12 @@ static int avi_write_header(AVFormatContext *s)
int64_t list1, list2, strh, strf;
AVMetadataTag *t = NULL;
if (s->nb_streams > AVI_MAX_STREAM_COUNT) {
av_log(s, AV_LOG_ERROR, "AVI does not support >%d streams\n",
AVI_MAX_STREAM_COUNT);
return -1;
}
for(n=0;n<s->nb_streams;n++) {
s->streams[n]->priv_data= av_mallocz(sizeof(AVIStream));
if(!s->streams[n]->priv_data)