/* check for channel mapping for this audio stream */
for (n = 0; n < o->nb_audio_channel_maps; n++) {
AudioChannelMap *map = &o->audio_channel_maps[n];
- InputStream *ist = input_streams[ost->source_index];
- if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
- (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
+ if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
(map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
- if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
- ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
- else
- av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
+ InputStream *ist;
+
+ if (map->channel_idx == -1) {
+ ist = NULL;
+ } else if (ost->source_index < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
ost->file_index, ost->st->index);
+ continue;
+ } else {
+ ist = input_streams[ost->source_index];
+ }
+
+ if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
+ if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
+ ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
+ else
+ av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
+ ost->file_index, ost->st->index);
+ }
}
}
}