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ffmpeg: move a local variable definition later.
Fix a segfault when using the -map option without input files.
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@ -1719,7 +1719,6 @@ static int open_output_file(OptionsContext *o, const char *filename)
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} else {
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for (i = 0; i < o->nb_stream_maps; i++) {
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StreamMap *map = &o->stream_maps[i];
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int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
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if (map->disabled)
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continue;
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@ -1747,6 +1746,8 @@ loop_end:
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}
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init_output_filter(ofilter, o, oc);
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} else {
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int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
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ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
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if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
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continue;
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