avformat: deprecate AVFormatContext filename field

[ffmpeg] / libavformat / avformat.h

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index e5740be2b4dfb6a85e32267ca4b245c72dfcda39..82f98453375eda58abc510164a5768a3f1f688c8 100644 (file)
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1275,6 +1275,11 @@ typedef struct AVProgram {
 
 #define AVFMTCTX_NOHEADER      0x0001 /**< signal that no header is present
                                          (streams are added dynamically) */
+#define AVFMTCTX_UNSEEKABLE    0x0002 /**< signal that the stream is definitely
+                                         not seekable, and attempts to call the
+                                         seek function will fail. For some
+                                         network protocols (e.g. HLS), this can
+                                         change dynamically at runtime. */
 
 typedef struct AVChapter {
     int id;                 ///< unique ID to identify the chapter
@@ -1389,13 +1394,33 @@ typedef struct AVFormatContext {
      */
     AVStream **streams;
 
+#if FF_API_FORMAT_FILENAME
     /**
      * input or output filename
      *
      * - demuxing: set by avformat_open_input()
      * - muxing: may be set by the caller before avformat_write_header()
+     *
+     * @deprecated Use url instead.
      */
+    attribute_deprecated
     char filename[1024];
+#endif
+
+    /**
+     * input or output URL. Unlike the old filename field, this field has no
+     * length restriction.
+     *
+     * - demuxing: set by avformat_open_input(), initialized to an empty
+     *             string if url parameter was NULL in avformat_open_input().
+     * - muxing: may be set by the caller before calling avformat_write_header()
+     *           (or avformat_init_output() if that is called first) to a string
+     *           which is freeable by av_free(). Set to an empty string if it
+     *           was NULL in avformat_init_output().
+     *
+     * Freed by libavformat in avformat_free_context().
+     */
+    char *url;
 
     /**
      * Position of the first frame of the component, in