Commit d01144b9 authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files

Duplicate rounding that MS does in one of their implementations of an avi demuxer.

Fixes issue740
Based on patch by Cory Fields theuni-nospam- >xbmc @org

Originally committed as revision 23999 to svn://
parent 79042a6e
......@@ -48,6 +48,7 @@ typedef struct AVIStream {
int prefix_count;
uint32_t pal[256];
int has_pal;
int block_align; ///< AVCodecContext.block_align copied here for easier access
} AVIStream;
typedef struct {
......@@ -92,6 +93,8 @@ static void print_tag(const char *str, unsigned int tag, int size)
static inline int get_duration(AVIStream *ast, int len){
return len;
}else if (ast->block_align){
return (len + ast->block_align - 1)/ast->block_align;
return 1;
......@@ -569,6 +572,7 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
ff_get_wav_header(pb, st->codec, size);
ast->block_align= st->codec->block_align;
if(ast->sample_size && st->codec->block_align && ast->sample_size != st->codec->block_align){
av_log(s, AV_LOG_WARNING, "sample size (%d) != block align (%d)\n", ast->sample_size, st->codec->block_align);
ast->sample_size= st->codec->block_align;
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