libeplayer3: make ffmpeg data available to manager, output and writer

libeplayer3/include/output.h

@@ -4,6 +4,12 @@
 #include <stdio.h>
 #include <stdint.h>
 
+#include <libavutil/avutil.h>
+#include <libavutil/time.h>
+#include <libavformat/avformat.h>
+#include <libswresample/swresample.h>
+#include <libavutil/opt.h>
+
 typedef enum {
     OUTPUT_INIT,
     OUTPUT_ADD,
@@ -44,6 +50,11 @@ typedef struct {
     unsigned int height;
 
     char *type;
+
+    /* context from ffmpeg */
+    AVFormatContext *avfc;
+    /* stream from ffmpeg */
+    AVStream *stream;
 } AudioVideoOut_t;
 
 struct Context_s;