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ffmpeg: Fix regression where various fields where not initialized leading to segfaults 

Bug introduced by:
commit f12f40b31a
Author: Anton Khirnov <anton@khirnov.net>
Date:   Tue Aug 30 04:05:20 2011 +0200

    ffmpeg: get rid of new* options.

    They are confusing, irregular and redundant -- -map already contains all
    the information.  Stream maps can now be parsed in opt_output_file().

    Add a more user-friendly default behavior in case no maps are present.

    Breaks -programid for now, but it never worked properly anyway. A better
    solution will be written soon.
This commit is contained in:
Michael Niedermayer 2011-10-29 20:25:39 +02:00
parent a18ecfeb36
commit e71aaad283
1 changed files with 13 additions and 0 deletions
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ffmpeg.c
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@ -3681,6 +3681,7 @@ static void opt_output_file(void *optctx, const char *filename)
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int j;
/* special case for files sent to ffserver: we get the stream
parameters from ffserver */
int err = read_ffserver_streams(o, oc, filename);
@ -3688,6 +3689,18 @@ static void opt_output_file(void *optctx, const char *filename)
print_error(filename, err);
exit_program(1);
}
for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
ost = &output_streams[j];
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if(ist->st->codec->codec_type == ost->st->codec->codec_type){
ost->sync_ist= ist;
ost->source_index= i;
ist->discard = 0;
break;
}
}
}
} else if (!o->nb_stream_maps) {
/* pick the "best" stream of each type */
#define NEW_STREAM(type, index)\