diff options
Diffstat (limited to 'cmdutils.c')
| -rw-r--r-- | cmdutils.c | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/cmdutils.c b/cmdutils.c index 1df2556a6f..e00e902e48 100644 --- a/cmdutils.c +++ b/cmdutils.c @@ -289,7 +289,14 @@ unknown_opt: 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)) || + char opt_stripped[128]; + const char *p; + + if (!(p = strchr(opt, ':'))) + p = opt + strlen(opt); + av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1)); + + if ((o = av_opt_find(avcodec_opts[0], opt_stripped, 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); @@ -782,12 +789,42 @@ FILE *get_preset_file(char *filename, size_t filename_size, 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; + } + 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; if (!codec) @@ -800,11 +837,24 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int e } while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) { + 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(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); + + if (p) + *p = ':'; } return ret; } @@ -822,7 +872,7 @@ AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *cod 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; } |