[FFmpeg-devel,v2,1/2] avformat/avio: add avio_protocol_get_class

Submitted by Steven Liu on Nov. 27, 2019, 3:11 a.m.

Details

Message ID 20191127031130.13313-1-lq@chinaffmpeg.org
State New
Headers show

Commit Message

Steven Liu Nov. 27, 2019, 3:11 a.m.
Suggested-by: Hendrik Leppkes <h.leppkes@gmail.com>
Suggested-by: Nicolas George <george@nsup.org>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
---
 doc/APIchanges          |  3 +++
 libavformat/avio.h      |  7 +++++++
 libavformat/protocols.c | 10 ++++++++++
 libavformat/version.h   |  2 +-
 4 files changed, 21 insertions(+), 1 deletion(-)

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diff --git a/doc/APIchanges b/doc/APIchanges
index 401c65a753..2798bec400 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@  libavutil:     2017-10-21
 
 API changes, most recent first:
 
+2019-11-26 - xxxxxxxxxx - lavf 58.36.100 - avio.h
+  Add avio_protocol_get_class().
+
 2019-11-17 - 1c23abc88f - lavu 56.36.100 - eval API
   Add av_expr_count_vars().
 
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 9141642e75..d022820a6e 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -807,6 +807,13 @@  int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
  */
 const char *avio_enum_protocols(void **opaque, int output);
 
+/**
+ * Get AVClass by names of available protocols.
+ *
+ * @return A AVClass of input protocol name or NULL
+ */
+const AVClass *avio_protocol_get_class(const char *name);
+
 /**
  * Pause and resume playing - only meaningful if using a network streaming
  * protocol (e.g. MMS).
diff --git a/libavformat/protocols.c b/libavformat/protocols.c
index face5b29b5..29fb99e7fa 100644
--- a/libavformat/protocols.c
+++ b/libavformat/protocols.c
@@ -107,6 +107,16 @@  const char *avio_enum_protocols(void **opaque, int output)
     return avio_enum_protocols(opaque, output);
 }
 
+const AVClass *avio_protocol_get_class(const char *name)
+{
+    int i = 0;
+    for (i = 0; url_protocols[i]; i++) {
+        if (!strcmp(url_protocols[i]->name, name))
+            return url_protocols[i]->priv_data_class;
+    }
+    return NULL;
+}
+
 const URLProtocol **ffurl_get_protocols(const char *whitelist,
                                         const char *blacklist)
 {
diff --git a/libavformat/version.h b/libavformat/version.h
index bac54aed9d..f72fb9478a 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,7 +32,7 @@ 
 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
 // Also please add any ticket numbers that you believe might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  58
-#define LIBAVFORMAT_VERSION_MINOR  35
+#define LIBAVFORMAT_VERSION_MINOR  36
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \