filename = argv[1];
- /* auto detect the output format from the name. default is
- mpeg. */
- fmt = av_guess_format(NULL, filename, NULL);
- if (!fmt) {
+ /* allocate the output media context */
+ oc = avformat_alloc_output_context(NULL, NULL, filename);
+ if (!oc) {
printf("Could not deduce output format from file extension: using MPEG.\n");
- fmt = av_guess_format("mpeg", NULL, NULL);
+ oc = avformat_alloc_output_context("mpeg", NULL, filename);
}
- if (!fmt) {
- fprintf(stderr, "Could not find suitable output format\n");
- exit(1);
- }
-
- /* allocate the output media context */
- oc = avformat_alloc_context();
if (!oc) {
- fprintf(stderr, "Memory error\n");
exit(1);
}
- oc->oformat = fmt;
- snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
+ fmt= oc->oformat;
/* add the audio and video streams using the default format codecs
and initialize the codecs */
audio_st = add_audio_stream(oc, fmt->audio_codec);
}
- /* set the output parameters (must be done even if no
- parameters). */
- if (av_set_parameters(oc, NULL) < 0) {
- fprintf(stderr, "Invalid output format parameters\n");
- exit(1);
- }
-
av_dump_format(oc, 0, filename, 1);
/* now that all the parameters are set, we can open the audio and