remove some unused mjpeg encoding variables

(they were always set to a constant value)

Originally committed as revision 9023 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mjpeg.c

@@ -338,11 +338,9 @@ void mjpeg_picture_header(MpegEncContext *s)
 
     put_marker(&s->pb, SOI);
 
-    if (!s->mjpeg_data_only_frames)
-    {
     jpeg_put_comments(s);
 
-    if (s->mjpeg_write_tables) jpeg_table_header(s);
+    jpeg_table_header(s);
 
     switch(s->avctx->codec_id){
     case CODEC_ID_MJPEG:  put_marker(&s->pb, SOF0 ); break;
@@ -384,7 +382,6 @@ void mjpeg_picture_header(MpegEncContext *s)
 #else
     put_bits(&s->pb, 8, 0); /* select matrix */
 #endif
-    }
 
     /* scan header */
     put_marker(&s->pb, SOS);

libavcodec/mpegvideo.c

@@ -1197,8 +1197,6 @@ int MPV_encode_init(AVCodecContext *avctx)
     case CODEC_ID_MJPEG:
         s->out_format = FMT_MJPEG;
         s->intra_only = 1; /* force intra only for jpeg */
-        s->mjpeg_write_tables = 1;
-        s->mjpeg_data_only_frames = 0; /* write all the needed headers */
         s->mjpeg_vsample[0] = 2;
         s->mjpeg_vsample[1] = 2>>chroma_v_shift;
         s->mjpeg_vsample[2] = 2>>chroma_v_shift;

libavcodec/mpegvideo.h

@@ -589,8 +589,6 @@ typedef struct MpegEncContext {
     struct MJpegContext *mjpeg_ctx;
     int mjpeg_vsample[3];       ///< vertical sampling factors, default = {2, 1, 1}
     int mjpeg_hsample[3];       ///< horizontal sampling factors, default = {2, 1, 1}
-    int mjpeg_write_tables;     ///< do we want to have quantisation- and huffmantables in the jpeg file ?
-    int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers
 
     /* MSMPEG4 specific */
     int mv_table_index;