diff options
Diffstat (limited to 'fftools/ffmpeg_opt.c')
| -rw-r--r-- | fftools/ffmpeg_opt.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 807e783422..9e26de5a94 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -1068,7 +1068,7 @@ static int open_input_file(OptionsContext *o, const char *filename) { InputFile *f; AVFormatContext *ic; - AVInputFormat *file_iformat = NULL; + const AVInputFormat *file_iformat = NULL; int err, i, ret; int64_t timestamp; AVDictionary *unused_opts = NULL; @@ -1117,20 +1117,22 @@ static int open_input_file(OptionsContext *o, const char *filename) av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0); } if (o->nb_audio_channels) { + const AVClass *priv_class; /* because we set audio_channels based on both the "ac" and * "channel_layout" options, we need to check that the specified * demuxer actually has the "channels" option before setting it */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, + if (file_iformat && (priv_class = file_iformat->priv_class) && + av_opt_find(&priv_class, "channels", NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)) { av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0); } } if (o->nb_frame_rates) { + const AVClass *priv_class; /* set the format-level framerate option; * this is important for video grabbers, e.g. x11 */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, + if (file_iformat && (priv_class = file_iformat->priv_class) && + av_opt_find(&priv_class, "framerate", NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)) { av_dict_set(&o->g->format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0); |