bottom_field_first -> top_field_first

Originally committed as revision 2402 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #define FFMPEG_VERSION_INT     0x000408
 #define FFMPEG_VERSION         "0.4.8"
-#define LIBAVCODEC_BUILD       4685
+#define LIBAVCODEC_BUILD       4686
 
 #define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT
 #define LIBAVCODEC_VERSION     FFMPEG_VERSION
@@ -436,11 +436,11 @@ typedef struct AVPanScan{
     int interlaced_frame;\
     \
     /**\
-     * if the content is interlaced, is bottom field displayed first.\
+     * if the content is interlaced, is top field displayed first.\
      * - encoding: set by user\
-     * - decoding: set by lavc (default 0)\
+     * - decoding: set by lavc\
      */\
-    int bottom_field_first;\
+    int top_field_first;\
     \
     /**\
      * Pan scan.\

libavcodec/dv.c

@@ -855,7 +855,7 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,
         return -1;
     }
     s->picture.interlaced_frame = 1;
-    s->picture.bottom_field_first = 1;
+    s->picture.top_field_first = 0;
 
     /* for each DIF segment */
     mb_pos_ptr = s->sys->video_place;

libavformat/yuv4mpeg.c

@@ -54,7 +54,7 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
     
     inter = 'p'; /* progressive is the default */
     if (st->codec.coded_frame && st->codec.coded_frame->interlaced_frame) {
-        inter = st->codec.coded_frame->bottom_field_first ? 'b' : 't';
+        inter = st->codec.coded_frame->top_field_first ? 't' : 'b';
     }
 
     /* construct stream header, if this is the first frame */