Merge commit '5691c746cf62e69806aae1baf0a6e8252d519444'

[ffmpeg] / libavformat / format.c

diff --git a/libavformat/format.c b/libavformat/format.c
index 759b5b1ab498c75119ae3051ae5b52d185908d1b..2c4c89553073f3649afa28abc807901436192ceb 100644 (file)
--- a/libavformat/format.c
+++ b/libavformat/format.c
@@ -34,65 +34,6 @@
  * @file
  * Format register and lookup
  */
-/** head of registered input format linked list */
-static AVInputFormat *first_iformat = NULL;
-/** head of registered output format linked list */
-static AVOutputFormat *first_oformat = NULL;
-
-static AVInputFormat **last_iformat = &first_iformat;
-static AVOutputFormat **last_oformat = &first_oformat;
-
-AVInputFormat *av_iformat_next(const AVInputFormat *f)
-{
-    if (f)
-        return f->next;
-    else
-        return first_iformat;
-}
-
-AVOutputFormat *av_oformat_next(const AVOutputFormat *f)
-{
-    if (f)
-        return f->next;
-    else
-        return first_oformat;
-}
-
-static AVMutex iformat_register_mutex = AV_MUTEX_INITIALIZER;
-
-void av_register_input_format(AVInputFormat *format)
-{
-    AVInputFormat **p;
-
-    ff_mutex_lock(&iformat_register_mutex);
-    p = last_iformat;
-
-    while (*p)
-        p = &(*p)->next;
-    *p = format;
-    format->next = NULL;
-    last_iformat = &format->next;
-
-    ff_mutex_unlock(&iformat_register_mutex);
-}
-
-static AVMutex oformat_register_mutex = AV_MUTEX_INITIALIZER;
-
-void av_register_output_format(AVOutputFormat *format)
-{
-    AVOutputFormat **p;
-
-    ff_mutex_lock(&oformat_register_mutex);
-    p = last_oformat;
-
-    while (*p)
-        p = &(*p)->next;
-    *p = format;
-    format->next = NULL;
-    last_oformat = &format->next;
-
-    ff_mutex_unlock(&oformat_register_mutex);
-}
 
 int av_match_ext(const char *filename, const char *extensions)
 {
@@ -110,7 +51,9 @@ int av_match_ext(const char *filename, const char *extensions)
 AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
                                 const char *mime_type)
 {
-    AVOutputFormat *fmt = NULL, *fmt_found;
+    const AVOutputFormat *fmt = NULL;
+    AVOutputFormat *fmt_found = NULL;
+    void *i = 0;
     int score_max, score;
 
     /* specific test for image sequences */
@@ -122,9 +65,8 @@ AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
     }
 #endif
     /* Find the proper file type. */
-    fmt_found = NULL;
     score_max = 0;
-    while ((fmt = av_oformat_next(fmt))) {
+    while ((fmt = av_muxer_iterate(&i))) {
         score = 0;
         if (fmt->name && short_name && av_match_name(short_name, fmt->name))
             score += 100;
@@ -136,7 +78,7 @@ AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
         }
         if (score > score_max) {
             score_max = score;
-            fmt_found = fmt;
+            fmt_found = (AVOutputFormat*)fmt;
         }
     }
     return fmt_found;
@@ -175,10 +117,11 @@ enum AVCodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
 
 AVInputFormat *av_find_input_format(const char *short_name)
 {
-    AVInputFormat *fmt = NULL;
-    while ((fmt = av_iformat_next(fmt)))
+    const AVInputFormat *fmt = NULL;
+    void *i = 0;
+    while ((fmt = av_demuxer_iterate(&i)))
         if (av_match_name(short_name, fmt->name))
-            return fmt;
+            return (AVInputFormat*)fmt;
     return NULL;
 }
 
@@ -186,8 +129,10 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
                                       int *score_ret)
 {
     AVProbeData lpd = *pd;
-    AVInputFormat *fmt1 = NULL, *fmt;
+    const AVInputFormat *fmt1 = NULL;
+    AVInputFormat *fmt = NULL;
     int score, score_max = 0;
+    void *i = 0;
     const static uint8_t zerobuffer[AVPROBE_PADDING_SIZE];
     enum nodat {
         NO_ID3,
@@ -212,8 +157,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
             nodat = ID3_GREATER_PROBE;
     }
 
-    fmt = NULL;
-    while ((fmt1 = av_iformat_next(fmt1))) {
+    while ((fmt1 = av_demuxer_iterate(&i))) {
         if (!is_opened == !(fmt1->flags & AVFMT_NOFILE) && strcmp(fmt1->name, "image2"))
             continue;
         score = 0;
@@ -247,7 +191,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
         }
         if (score > score_max) {
             score_max = score;
-            fmt       = fmt1;
+            fmt       = (AVInputFormat*)fmt1;
         } else if (score == score_max)
             fmt = NULL;
     }
@@ -306,14 +250,6 @@ int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
             *semi = '\0';
         }
     }
-#if 0
-    if (!*fmt && pb->av_class && av_opt_get(pb, "mime_type", AV_OPT_SEARCH_CHILDREN, &mime_type) >= 0 && mime_type) {
-        if (!av_strcasecmp(mime_type, "audio/aacp")) {
-            *fmt = av_find_input_format("aac");
-        }
-        av_freep(&mime_type);
-    }
-#endif
 
     for (probe_size = PROBE_BUF_MIN; probe_size <= max_probe_size && !*fmt;
          probe_size = FFMIN(probe_size << 1,