av_string: add av_asprintf().

[ffmpeg] / cmdutils.c

diff --git a/cmdutils.c b/cmdutils.c
index d42a6e831e97cd0d42c956bfd8be75995bc92921..bde0384c06d25462d9acfae6dbc5c6bf63691b32 100644 (file)
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -49,8 +49,6 @@
 #include <sys/resource.h>
 #endif
 
-AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
-AVFormatContext *avformat_opts;
 struct SwsContext *sws_opts;
 AVDictionary *format_opts, *codec_opts;
 
@@ -58,10 +56,6 @@ static const int this_year = 2011;
 
 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
@@ -69,11 +63,6 @@ void init_opts(void)
 
 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;
@@ -293,18 +282,19 @@ int opt_default(const char *opt, const char *arg)
     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(avcodec_opts[0], opt_stripped, NULL, 0, AV_OPT_SEARCH_CHILDREN)) ||
+    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') &&
-          (oc = av_opt_find(avcodec_opts[0], opt+1, NULL, 0, 0))))
+          (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(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)))
+    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(sws_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) {
+    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) {
@@ -751,9 +741,9 @@ FILE *get_preset_file(char *filename, size_t filename_size,
 {
     FILE *f = NULL;
     int i;
-    const char *base[3]= { getenv("AVCONV_DATADIR"),
+    const char *base[3]= { getenv("FFMPEG_DATADIR"),
                            getenv("HOME"),
-                           AVCONV_DATADIR,
+                           FFMPEG_DATADIR,
                          };
 
     if (is_path) {
@@ -780,11 +770,11 @@ FILE *get_preset_file(char *filename, size_t filename_size,
         for (i = 0; i < 3 && !f; i++) {
             if (!base[i])
                 continue;
-            snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.avconv", preset_name);
+            snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", preset_name);
             f = fopen(filename, "r");
             if (!f && codec_name) {
                 snprintf(filename, filename_size,
-                         "%s%s/%s-%s.ffpreset", base[i],  i != 1 ? "" : "/.avconv", codec_name, preset_name);
+                         "%s%s/%s-%s.ffpreset", base[i],  i != 1 ? "" : "/.ffmpeg", codec_name, preset_name);
                 f = fopen(filename, "r");
             }
         }
@@ -805,6 +795,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
         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;
@@ -830,6 +821,7 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFor
     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;
@@ -851,10 +843,10 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFor
             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)))
+        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)