Split RV20 encoder into its own file.

Originally committed as revision 19578 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -196,7 +196,7 @@ OBJS-$(CONFIG_RPZA_DECODER)            += rpza.o
 OBJS-$(CONFIG_RV10_DECODER)            += rv10.o h263.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_RV10_ENCODER)            += rv10.o mpegvideo_enc.o motion_est.o ratecontrol.o h263.o mpeg12data.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_RV20_DECODER)            += rv10.o h263.o mpegvideo.o error_resilience.o
-OBJS-$(CONFIG_RV20_ENCODER)            += rv10.o mpegvideo_enc.o motion_est.o ratecontrol.o h263.o mpeg12data.o mpegvideo.o error_resilience.o
+OBJS-$(CONFIG_RV20_ENCODER)            += rv20enc.o mpegvideo_enc.o motion_est.o ratecontrol.o h263.o mpeg12data.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_RV30_DECODER)            += rv30.o rv34.o h264pred.o rv30dsp.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_RV40_DECODER)            += rv40.o rv34.o h264pred.o rv40dsp.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_SGI_DECODER)             += sgidec.o

libavcodec/rv10.c

@@ -230,7 +230,7 @@ int rv_decode_dc(MpegEncContext *s, int n)
 }
 
 
-#if CONFIG_RV10_ENCODER || CONFIG_RV20_ENCODER
+#if CONFIG_RV10_ENCODER
 /* write RV 1.0 compatible frame header */
 void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
 {
@@ -259,36 +259,7 @@ void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
 
     put_bits(&s->pb, 3, 0);     /* ignored */
 }
-
+#endif /* CONFIG_RV10_ENCODER */
-void rv20_encode_picture_header(MpegEncContext *s, int picture_number){
-    put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
-    put_bits(&s->pb, 1, 0);     /* unknown bit */
-    put_bits(&s->pb, 5, s->qscale);
-
-    put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
-    s->mb_x= s->mb_y= 0;
-    ff_h263_encode_mba(s);
-
-    put_bits(&s->pb, 1, s->no_rounding);
-
-    assert(s->f_code == 1);
-    assert(s->unrestricted_mv == 1);
-    assert(s->alt_inter_vlc == 0);
-    assert(s->umvplus == 0);
-    assert(s->modified_quant==1);
-    assert(s->loop_filter==1);
-
-    s->h263_aic= s->pict_type == FF_I_TYPE;
-    if(s->h263_aic){
-        s->y_dc_scale_table=
-        s->c_dc_scale_table= ff_aic_dc_scale_table;
-    }else{
-        s->y_dc_scale_table=
-        s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
-    }
-}
-
-#endif /* CONFIG_RV10_ENCODER || CONFIG_RV20_ENCODER */
 
 /* read RV 1.0 compatible frame header */
 static int rv10_decode_picture_header(MpegEncContext *s)
@@ -792,15 +763,3 @@ AVCodec rv10_encoder = {
     .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
 };
-
-AVCodec rv20_encoder = {
-    "rv20",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RV20,
-    sizeof(MpegEncContext),
-    MPV_encode_init,
-    MPV_encode_picture,
-    MPV_encode_end,
-    .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
-    .long_name= NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
-};

libavcodec/rv20enc.c

@@ -0,0 +1,69 @@
+/*
+ * RV20 encoder
+ * Copyright (c) 2000,2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file libavcodec/rv20enc.c
+ * RV20 encoder
+ */
+
+#include "mpegvideo.h"
+#include "put_bits.h"
+
+void rv20_encode_picture_header(MpegEncContext *s, int picture_number){
+    put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
+    put_bits(&s->pb, 1, 0);     /* unknown bit */
+    put_bits(&s->pb, 5, s->qscale);
+
+    put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
+    s->mb_x= s->mb_y= 0;
+    ff_h263_encode_mba(s);
+
+    put_bits(&s->pb, 1, s->no_rounding);
+
+    assert(s->f_code == 1);
+    assert(s->unrestricted_mv == 1);
+    assert(s->alt_inter_vlc == 0);
+    assert(s->umvplus == 0);
+    assert(s->modified_quant==1);
+    assert(s->loop_filter==1);
+
+    s->h263_aic= s->pict_type == FF_I_TYPE;
+    if(s->h263_aic){
+        s->y_dc_scale_table=
+        s->c_dc_scale_table= ff_aic_dc_scale_table;
+    }else{
+        s->y_dc_scale_table=
+        s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
+    }
+}
+
+AVCodec rv20_encoder = {
+    "rv20",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_RV20,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
+    .long_name= NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
+};