printf("Could not deduce output format from file extension: using MPEG.\n");
avformat_alloc_output_context2(&oc, NULL, "mpeg", filename);
}
- if (!oc) {
+ if (!oc)
return 1;
- }
+
fmt = oc->oformat;
/* Add the audio and video streams using the default format codecs
video_st = NULL;
audio_st = NULL;
- if (fmt->video_codec != AV_CODEC_ID_NONE) {
+ if (fmt->video_codec != AV_CODEC_ID_NONE)
video_st = add_stream(oc, &video_codec, fmt->video_codec);
- }
- if (fmt->audio_codec != AV_CODEC_ID_NONE) {
+ if (fmt->audio_codec != AV_CODEC_ID_NONE)
audio_st = add_stream(oc, &audio_codec, fmt->audio_codec);
- }
/* Now that all the parameters are set, we can open the audio and
* video codecs and allocate the necessary encode buffers. */