#include <sys/resource.h>
#endif
-AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
-AVFormatContext *avformat_opts;
struct SwsContext *sws_opts;
AVDictionary *format_opts, *codec_opts;
void init_opts(void)
{
- int i;
- for (i = 0; i < AVMEDIA_TYPE_NB; i++)
- avcodec_opts[i] = avcodec_alloc_context3(NULL);
- avformat_opts = avformat_alloc_context();
#if CONFIG_SWSCALE
sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC, NULL, NULL, NULL);
#endif
void uninit_opts(void)
{
- int i;
- for (i = 0; i < AVMEDIA_TYPE_NB; i++)
- av_freep(&avcodec_opts[i]);
- av_freep(&avformat_opts->key);
- av_freep(&avformat_opts);
#if CONFIG_SWSCALE
sws_freeContext(sws_opts);
sws_opts = NULL;
}
static const OptionDef* find_option(const OptionDef *po, const char *name){
+ const char *p = strchr(name, ':');
+ int len = p ? p - name : strlen(name);
+
while (po->name != NULL) {
- if (!strcmp(name, po->name))
+ if (!strncmp(name, po->name, len) && strlen(po->name) == len)
break;
po++;
}
}
}
-#define FLAGS (o->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
+#define FLAGS(o) ((o)->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
int opt_default(const char *opt, const char *arg)
{
- const AVOption *o;
- if ((o = av_opt_find(avcodec_opts[0], opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)) ||
+ const AVOption *oc, *of, *os;
+ char opt_stripped[128];
+ const char *p;
+ const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc = sws_get_class();
+
+ if (!(p = strchr(opt, ':')))
+ p = opt + strlen(opt);
+ av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
+
+ if ((oc = av_opt_find(&cc, opt_stripped, NULL, 0, AV_OPT_SEARCH_CHILDREN|AV_OPT_SEARCH_FAKE_OBJ)) ||
((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))) {
+ (oc = av_opt_find(&cc, opt+1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ))))
+ av_dict_set(&codec_opts, opt, arg, FLAGS(oc));
+ if ((of = av_opt_find(&fc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)))
+ av_dict_set(&format_opts, opt, arg, FLAGS(of));
+ if ((os = av_opt_find(&sc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
// XXX we only support sws_flags, not arbitrary sws options
int ret = av_set_string3(sws_opts, opt, arg, 1, NULL);
if (ret < 0) {
}
}
- if (o)
+ if (oc || of || os)
return 0;
fprintf(stderr, "Unrecognized option '%s'\n", opt);
return AVERROR_OPTION_NOT_FOUND;
return f;
}
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int encoder)
+int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
+{
+ if (*spec <= '9' && *spec >= '0') /* opt:index */
+ return strtol(spec, NULL, 0) == st->index;
+ else if (*spec == 'v' || *spec == 'a' || *spec == 's' || *spec == 'd') { /* opt:[vasd] */
+ enum AVMediaType type;
+
+ switch (*spec++) {
+ case 'v': type = AVMEDIA_TYPE_VIDEO; break;
+ case 'a': type = AVMEDIA_TYPE_AUDIO; break;
+ case 's': type = AVMEDIA_TYPE_SUBTITLE; break;
+ case 'd': type = AVMEDIA_TYPE_DATA; break;
+ default: abort(); // never reached, silence warning
+ }
+ if (type != st->codec->codec_type)
+ return 0;
+ if (*spec++ == ':') { /* possibly followed by :index */
+ int i, index = strtol(spec, NULL, 0);
+ for (i = 0; i < s->nb_streams; i++)
+ if (s->streams[i]->codec->codec_type == type && index-- == 0)
+ return i == st->index;
+ return 0;
+ }
+ return 1;
+ } else if (!*spec) /* empty specifier, matches everything */
+ return 1;
+
+ av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
+ return AVERROR(EINVAL);
+}
+
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFormatContext *s, AVStream *st)
{
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;
+ AVCodec *codec = s->oformat ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id);
+ int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM : AV_OPT_FLAG_DECODING_PARAM;
char prefix = 0;
+ const AVClass *cc = avcodec_get_class();
if (!codec)
return NULL;
}
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)))
+ char *p = strchr(t->key, ':');
+
+ /* check stream specification in opt name */
+ if (p)
+ switch (check_stream_specifier(s, st, p + 1)) {
+ case 1: *p = 0; break;
+ case 0: continue;
+ default: return NULL;
+ }
+
+ if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
+ (codec && codec->priv_class && av_opt_find(&codec->priv_class, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ)))
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))
+ else if (t->key[0] == prefix && av_opt_find(&cc, t->key+1, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ))
av_dict_set(&ret, t->key+1, t->value, 0);
+
+ if (p)
+ *p = ':';
}
return ret;
}
return NULL;
}
for (i = 0; i < s->nb_streams; i++)
- opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, 0);
+ opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, s, s->streams[i]);
return opts;
}