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cmdutils: store all codec options in one dict instead of video/audio/sub

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Split them when codec id is known.
This commit is contained in:
Anton Khirnov 2011-07-10 15:46:15 +02:00
parent a9eb4f0899
commit 8c8eab8bfe
2 changed files with 40 additions and 22 deletions
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55
cmdutils.c
View File

@ -55,7 +55,7 @@ static int opt_name_count;
AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
AVFormatContext *avformat_opts;
struct SwsContext *sws_opts;
AVDictionary *format_opts, *video_opts, *audio_opts, *sub_opts;
AVDictionary *format_opts, *codec_opts;
static const int this_year = 2011;
@ -93,9 +93,7 @@ void uninit_opts(void)
av_freep(&opt_values);
opt_name_count = 0;
av_dict_free(&format_opts);
av_dict_free(&video_opts);
av_dict_free(&audio_opts);
av_dict_free(&sub_opts);
av_dict_free(&codec_opts);
}
void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
@ -299,20 +297,14 @@ unknown_opt:
}
#define FLAGS (o->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
#define SET_PREFIXED_OPTS(ch, flag, output) \
if (opt[0] == ch && avcodec_opts[0] && (o = av_opt_find(avcodec_opts[0], opt+1, NULL, flag, 0)))\
av_dict_set(&output, opt+1, arg, FLAGS);
static int opt_default2(const char *opt, const char *arg)
{
const AVOption *o;
if ((o = av_opt_find(avcodec_opts[0], opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) {
if (o->flags & AV_OPT_FLAG_VIDEO_PARAM)
av_dict_set(&video_opts, opt, arg, FLAGS);
if (o->flags & AV_OPT_FLAG_AUDIO_PARAM)
av_dict_set(&audio_opts, opt, arg, FLAGS);
if (o->flags & AV_OPT_FLAG_SUBTITLE_PARAM)
av_dict_set(&sub_opts, opt, arg, FLAGS);
} else if ((o = av_opt_find(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)))
if ((o = av_opt_find(avcodec_opts[0], opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)) ||
((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&
(o = av_opt_find(avcodec_opts[0], opt+1, NULL, 0, 0))))
av_dict_set(&codec_opts, opt, arg, FLAGS);
else if ((o = av_opt_find(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)))
av_dict_set(&format_opts, opt, arg, FLAGS);
else if ((o = av_opt_find(sws_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) {
// XXX we only support sws_flags, not arbitrary sws options
@ -323,12 +315,6 @@ static int opt_default2(const char *opt, const char *arg)
}
}
if (!o) {
SET_PREFIXED_OPTS('v', AV_OPT_FLAG_VIDEO_PARAM, video_opts)
SET_PREFIXED_OPTS('a', AV_OPT_FLAG_AUDIO_PARAM, audio_opts)
SET_PREFIXED_OPTS('s', AV_OPT_FLAG_SUBTITLE_PARAM, sub_opts)
}
if (o)
return 0;
fprintf(stderr, "Unrecognized option '%s'\n", opt);
@ -899,6 +885,33 @@ FILE *get_preset_file(char *filename, size_t filename_size,
return f;
}
AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int encoder)
{
AVDictionary *ret = NULL;
AVDictionaryEntry *t = NULL;
AVCodec *codec = encoder ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id);
int flags = encoder ? AV_OPT_FLAG_ENCODING_PARAM : AV_OPT_FLAG_DECODING_PARAM;
char prefix = 0;
if (!codec)
return NULL;
switch (codec->type) {
case AVMEDIA_TYPE_VIDEO: prefix = 'v'; flags |= AV_OPT_FLAG_VIDEO_PARAM; break;
case AVMEDIA_TYPE_AUDIO: prefix = 'a'; flags |= AV_OPT_FLAG_AUDIO_PARAM; break;
case AVMEDIA_TYPE_SUBTITLE: prefix = 's'; flags |= AV_OPT_FLAG_SUBTITLE_PARAM; break;
}
while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
if (av_opt_find(avcodec_opts[0], t->key, NULL, flags, 0) ||
(codec && codec->priv_class && av_opt_find(&codec->priv_class, t->key, NULL, flags, 0)))
av_dict_set(&ret, t->key, t->value, 0);
else if (t->key[0] == prefix && av_opt_find(avcodec_opts[0], t->key+1, NULL, flags, 0))
av_dict_set(&ret, t->key+1, t->value, 0);
}
return ret;
}
#if CONFIG_AVFILTER
static int ffsink_init(AVFilterContext *ctx, const char *args, void *opaque)

7
cmdutils.h
View File

@ -43,7 +43,7 @@ extern const char **opt_names;
extern AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
extern AVFormatContext *avformat_opts;
extern struct SwsContext *sws_opts;
extern AVDictionary *format_opts, *video_opts, *audio_opts, *sub_opts;
extern AVDictionary *format_opts, *codec_opts;
/**
* Initialize the cmdutils option system, in particular
@ -151,6 +151,11 @@ void parse_options(int argc, char **argv, const OptionDef *options,
void set_context_opts(void *ctx, void *opts_ctx, int flags, AVCodec *codec);
/**
* Filter out options for given codec.
*/
AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int encoder);
/**
* Print an error message to stderr, indicating filename and a human
* readable description of the error code err.