avformat/avidec: Fix incorrect detection of badly interleaved avi
authorNigel Touati-Evans <nigel.touatievans@gmail.com>
Thu, 4 Jul 2013 15:51:32 +0000 (16:51 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 5 Jul 2013 20:07:48 +0000 (22:07 +0200)
The method guess_ni_flag needs to divide timestamps in the index
by sample_size if it is set in order to compare different streams correctly.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/version.h
libavformat/avidec.c

index f6e2d71..3283446 100644 (file)
@@ -30,7 +30,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR 55
 #define LIBAVCODEC_VERSION_MINOR  18
 
 #define LIBAVCODEC_VERSION_MAJOR 55
 #define LIBAVCODEC_VERSION_MINOR  18
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MICRO 102
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
index f5c2345..a09bebd 100644 (file)
@@ -1397,15 +1397,16 @@ static int guess_ni_flag(AVFormatContext *s){
 
         for (i=0; i<s->nb_streams; i++) {
             AVStream *st = s->streams[i];
 
         for (i=0; i<s->nb_streams; i++) {
             AVStream *st = s->streams[i];
+            AVIStream *ast = st->priv_data;
             int n= st->nb_index_entries;
             while (idx[i]<n && st->index_entries[idx[i]].pos < pos)
                 idx[i]++;
             if (idx[i] < n) {
             int n= st->nb_index_entries;
             while (idx[i]<n && st->index_entries[idx[i]].pos < pos)
                 idx[i]++;
             if (idx[i] < n) {
-                min_dts = FFMIN(min_dts, av_rescale_q(st->index_entries[idx[i]].timestamp, st->time_base, AV_TIME_BASE_Q));
+                min_dts = FFMIN(min_dts, av_rescale_q(st->index_entries[idx[i]].timestamp/FFMAX(ast->sample_size, 1), st->time_base, AV_TIME_BASE_Q));
                 min_pos = FFMIN(min_pos, st->index_entries[idx[i]].pos);
             }
             if (idx[i])
                 min_pos = FFMIN(min_pos, st->index_entries[idx[i]].pos);
             }
             if (idx[i])
-                max_dts = FFMAX(max_dts, av_rescale_q(st->index_entries[idx[i]-1].timestamp, st->time_base, AV_TIME_BASE_Q));
+                max_dts = FFMAX(max_dts, av_rescale_q(st->index_entries[idx[i]-1].timestamp/FFMAX(ast->sample_size, 1), st->time_base, AV_TIME_BASE_Q));
         }
         if(max_dts - min_dts > 2*AV_TIME_BASE) {
             av_free(idx);
         }
         if(max_dts - min_dts > 2*AV_TIME_BASE) {
             av_free(idx);