[FFmpeg-cvslog] r19578 - in trunk/libavcodec: Makefile rv10.c rv20enc.c

diego subversion
Tue Aug 4 01:07:08 CEST 2009


Author: diego
Date: Tue Aug  4 01:07:08 2009
New Revision: 19578

Log:
Split RV20 encoder into its own file.

Added:
   trunk/libavcodec/rv20enc.c
      - copied, changed from r19573, trunk/libavcodec/rv10.c
Modified:
   trunk/libavcodec/Makefile
   trunk/libavcodec/rv10.c

Modified: trunk/libavcodec/Makefile
==============================================================================
--- trunk/libavcodec/Makefile	Tue Aug  4 00:05:31 2009	(r19577)
+++ trunk/libavcodec/Makefile	Tue Aug  4 01:07:08 2009	(r19578)
@@ -196,7 +196,7 @@ OBJS-$(CONFIG_RPZA_DECODER)            +
 OBJS-$(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

Modified: trunk/libavcodec/rv10.c
==============================================================================
--- trunk/libavcodec/rv10.c	Tue Aug  4 00:05:31 2009	(r19577)
+++ trunk/libavcodec/rv10.c	Tue Aug  4 01:07:08 2009	(r19578)
@@ -230,7 +230,7 @@ int rv_decode_dc(MpegEncContext *s, int 
 }
 
 
-#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(MpegEncC
 
     put_bits(&s->pb, 3, 0);     /* ignored */
 }
-
-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 */
+#endif /* CONFIG_RV10_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"),
-};

Copied and modified: trunk/libavcodec/rv20enc.c (from r19573, trunk/libavcodec/rv10.c)
==============================================================================
--- trunk/libavcodec/rv10.c	Mon Aug  3 17:23:53 2009	(r19573, copy source)
+++ trunk/libavcodec/rv20enc.c	Tue Aug  4 01:07:08 2009	(r19578)
@@ -1,5 +1,5 @@
 /*
- * RV10 codec
+ * RV20 encoder
  * Copyright (c) 2000,2001 Fabrice Bellard
  * Copyright (c) 2002-2004 Michael Niedermayer
  *
@@ -21,244 +21,12 @@
  */
 
 /**
- * @file libavcodec/rv10.c
- * RV10 codec.
+ * @file libavcodec/rv20enc.c
+ * RV20 encoder
  */
 
-#include "avcodec.h"
-#include "dsputil.h"
 #include "mpegvideo.h"
-
-//#define DEBUG
-
-#define DC_VLC_BITS 14 //FIXME find a better solution
-
-static const uint16_t rv_lum_code[256] =
-{
- 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
- 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
- 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
- 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
- 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
- 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
- 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
- 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
- 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
- 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
- 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
- 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
- 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
- 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
- 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
- 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
- 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
- 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
- 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
- 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
- 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
- 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
- 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
- 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
- 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
- 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
- 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
- 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
- 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
- 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
- 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
- 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
-};
-
-static const uint8_t rv_lum_bits[256] =
-{
- 14, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10,  8,  8,  8,  8,  8,  8,  8,
-  8,  8,  8,  8,  8,  8,  8,  8,
-  8,  7,  7,  7,  7,  7,  7,  7,
-  7,  6,  6,  6,  6,  5,  5,  4,
-  2,  4,  5,  5,  6,  6,  6,  6,
-  7,  7,  7,  7,  7,  7,  7,  7,
-  8,  8,  8,  8,  8,  8,  8,  8,
-  8,  8,  8,  8,  8,  8,  8,  8,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
-};
-
-static const uint16_t rv_chrom_code[256] =
-{
- 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
- 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
- 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
- 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
- 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
- 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
- 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
- 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
- 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
- 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
- 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
- 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
- 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
- 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
- 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
- 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
- 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
- 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
- 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
- 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
- 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
- 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
- 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
- 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
- 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
- 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
- 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
- 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
- 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
- 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
- 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
- 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
-};
-
-static const uint8_t rv_chrom_bits[256] =
-{
- 16, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10,  8,  8,  8,  8,  8,  8,  8,
-  8,  6,  6,  6,  6,  4,  4,  3,
-  2,  3,  4,  4,  6,  6,  6,  6,
-  8,  8,  8,  8,  8,  8,  8,  8,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
-};
-
-static VLC rv_dc_lum, rv_dc_chrom;
-
-int rv_decode_dc(MpegEncContext *s, int n)
-{
-    int code;
-
-    if (n < 4) {
-        code = get_vlc2(&s->gb, rv_dc_lum.table, DC_VLC_BITS, 2);
-        if (code < 0) {
-            /* XXX: I don't understand why they use LONGER codes than
-               necessary. The following code would be completely useless
-               if they had thought about it !!! */
-            code = get_bits(&s->gb, 7);
-            if (code == 0x7c) {
-                code = (int8_t)(get_bits(&s->gb, 7) + 1);
-            } else if (code == 0x7d) {
-                code = -128 + get_bits(&s->gb, 7);
-            } else if (code == 0x7e) {
-                if (get_bits1(&s->gb) == 0)
-                    code = (int8_t)(get_bits(&s->gb, 8) + 1);
-                else
-                    code = (int8_t)(get_bits(&s->gb, 8));
-            } else if (code == 0x7f) {
-                skip_bits(&s->gb, 11);
-                code = 1;
-            }
-        } else {
-            code -= 128;
-        }
-    } else {
-        code = get_vlc2(&s->gb, rv_dc_chrom.table, DC_VLC_BITS, 2);
-        /* same remark */
-        if (code < 0) {
-            code = get_bits(&s->gb, 9);
-            if (code == 0x1fc) {
-                code = (int8_t)(get_bits(&s->gb, 7) + 1);
-            } else if (code == 0x1fd) {
-                code = -128 + get_bits(&s->gb, 7);
-            } else if (code == 0x1fe) {
-                skip_bits(&s->gb, 9);
-                code = 1;
-            } else {
-                av_log(s->avctx, AV_LOG_ERROR, "chroma dc error\n");
-                return 0xffff;
-            }
-        } else {
-            code -= 128;
-        }
-    }
-    return -code;
-}
-
-
-#if CONFIG_RV10_ENCODER || CONFIG_RV20_ENCODER
-/* write RV 1.0 compatible frame header */
-void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
-{
-    int full_frame= 0;
-
-    align_put_bits(&s->pb);
-
-    put_bits(&s->pb, 1, 1);     /* marker */
-
-    put_bits(&s->pb, 1, (s->pict_type == FF_P_TYPE));
-
-    put_bits(&s->pb, 1, 0);     /* not PB frame */
-
-    put_bits(&s->pb, 5, s->qscale);
-
-    if (s->pict_type == FF_I_TYPE) {
-        /* specific MPEG like DC coding not used */
-    }
-    /* if multiple packets per frame are sent, the position at which
-       to display the macroblocks is coded here */
-    if(!full_frame){
-        put_bits(&s->pb, 6, 0); /* mb_x */
-        put_bits(&s->pb, 6, 0); /* mb_y */
-        put_bits(&s->pb, 12, s->mb_width * s->mb_height);
-    }
-
-    put_bits(&s->pb, 3, 0);     /* ignored */
-}
+#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 ?
@@ -288,511 +56,6 @@ void rv20_encode_picture_header(MpegEncC
     }
 }
 
-#endif /* CONFIG_RV10_ENCODER || CONFIG_RV20_ENCODER */
-
-/* read RV 1.0 compatible frame header */
-static int rv10_decode_picture_header(MpegEncContext *s)
-{
-    int mb_count, pb_frame, marker, unk, mb_xy;
-
-    marker = get_bits1(&s->gb);
-
-    if (get_bits1(&s->gb))
-        s->pict_type = FF_P_TYPE;
-    else
-        s->pict_type = FF_I_TYPE;
-    if(!marker) av_log(s->avctx, AV_LOG_ERROR, "marker missing\n");
-    pb_frame = get_bits1(&s->gb);
-
-    dprintf(s->avctx, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
-
-    if (pb_frame){
-        av_log(s->avctx, AV_LOG_ERROR, "pb frame not supported\n");
-        return -1;
-    }
-
-    s->qscale = get_bits(&s->gb, 5);
-    if(s->qscale==0){
-        av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
-        return -1;
-    }
-
-    if (s->pict_type == FF_I_TYPE) {
-        if (s->rv10_version == 3) {
-            /* specific MPEG like DC coding not used */
-            s->last_dc[0] = get_bits(&s->gb, 8);
-            s->last_dc[1] = get_bits(&s->gb, 8);
-            s->last_dc[2] = get_bits(&s->gb, 8);
-            dprintf(s->avctx, "DC:%d %d %d\n", s->last_dc[0],
-                    s->last_dc[1], s->last_dc[2]);
-        }
-    }
-    /* if multiple packets per frame are sent, the position at which
-       to display the macroblocks is coded here */
-
-    mb_xy= s->mb_x + s->mb_y*s->mb_width;
-    if(show_bits(&s->gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){
-        s->mb_x = get_bits(&s->gb, 6); /* mb_x */
-        s->mb_y = get_bits(&s->gb, 6); /* mb_y */
-        mb_count = get_bits(&s->gb, 12);
-    } else {
-        s->mb_x = 0;
-        s->mb_y = 0;
-        mb_count = s->mb_width * s->mb_height;
-    }
-    unk= get_bits(&s->gb, 3);   /* ignored */
-    s->f_code = 1;
-    s->unrestricted_mv = 1;
-
-    return mb_count;
-}
-
-static int rv20_decode_picture_header(MpegEncContext *s)
-{
-    int seq, mb_pos, i;
-
-#if 0
-    GetBitContext gb= s->gb;
-    for(i=0; i<64; i++){
-        av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb));
-        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
-    }
-    av_log(s->avctx, AV_LOG_DEBUG, "\n");
-#endif
-#if 0
-    av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
-    for(i=0; i<s->avctx->extradata_size; i++){
-        av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
-        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
-    }
-    av_log(s->avctx, AV_LOG_DEBUG, "\n");
-#endif
-
-    if(s->avctx->sub_id == 0x30202002 || s->avctx->sub_id == 0x30203002){
-        if (get_bits(&s->gb, 3)){
-            av_log(s->avctx, AV_LOG_ERROR, "unknown triplet set\n");
-            return -1;
-        }
-    }
-
-    i= get_bits(&s->gb, 2);
-    switch(i){
-    case 0: s->pict_type= FF_I_TYPE; break;
-    case 1: s->pict_type= FF_I_TYPE; break; //hmm ...
-    case 2: s->pict_type= FF_P_TYPE; break;
-    case 3: s->pict_type= FF_B_TYPE; break;
-    default:
-        av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
-        return -1;
-    }
-
-    if(s->last_picture_ptr==NULL && s->pict_type==FF_B_TYPE){
-        av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
-        return -1;
-    }
-
-    if (get_bits1(&s->gb)){
-        av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
-        return -1;
-    }
-
-    s->qscale = get_bits(&s->gb, 5);
-    if(s->qscale==0){
-        av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
-        return -1;
-    }
-    if(s->avctx->sub_id == 0x30203002){
-        if (get_bits1(&s->gb)){
-            av_log(s->avctx, AV_LOG_ERROR, "unknown bit2 set\n");
-            return -1;
-        }
-    }
-
-    if(s->avctx->has_b_frames){
-        int f, new_w, new_h;
-        int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;
-
-        if (get_bits1(&s->gb)){
-            av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
-        }
-        seq= get_bits(&s->gb, 13)<<2;
-
-        f= get_bits(&s->gb, av_log2(v)+1);
-
-        if(f){
-            new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
-            new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
-        }else{
-            new_w= s->width; //FIXME wrong we of course must save the original in the context
-            new_h= s->height;
-        }
-        if(new_w != s->width || new_h != s->height){
-            av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
-            if (avcodec_check_dimensions(s->avctx, new_h, new_w) < 0)
-                return -1;
-            MPV_common_end(s);
-            s->width  = s->avctx->width = new_w;
-            s->height = s->avctx->height= new_h;
-            if (MPV_common_init(s) < 0)
-                return -1;
-        }
-
-        if(s->avctx->debug & FF_DEBUG_PICT_INFO){
-            av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
-        }
-    }else{
-        seq= get_bits(&s->gb, 8)*128;
-    }
-
-//     if(s->avctx->sub_id <= 0x20201002){ //0x20201002 definitely needs this
-    mb_pos= ff_h263_decode_mba(s);
-/*    }else{
-        mb_pos= get_bits(&s->gb, av_log2(s->mb_num-1)+1);
-        s->mb_x= mb_pos % s->mb_width;
-        s->mb_y= mb_pos / s->mb_width;
-    }*/
-//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
-    seq |= s->time &~0x7FFF;
-    if(seq - s->time >  0x4000) seq -= 0x8000;
-    if(seq - s->time < -0x4000) seq += 0x8000;
-    if(seq != s->time){
-        if(s->pict_type!=FF_B_TYPE){
-            s->time= seq;
-            s->pp_time= s->time - s->last_non_b_time;
-            s->last_non_b_time= s->time;
-        }else{
-            s->time= seq;
-            s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
-            if(s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0){
-                av_log(s->avctx, AV_LOG_DEBUG, "messed up order, possible from seeking? skipping current b frame\n");
-                return FRAME_SKIPPED;
-            }
-            ff_mpeg4_init_direct_mv(s);
-        }
-    }
-//    printf("%d %d %d %d %d\n", seq, (int)s->time, (int)s->last_non_b_time, s->pp_time, s->pb_time);
-/*for(i=0; i<32; i++){
-    av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
-}
-av_log(s->avctx, AV_LOG_DEBUG, "\n");*/
-    s->no_rounding= get_bits1(&s->gb);
-
-    s->f_code = 1;
-    s->unrestricted_mv = 1;
-    s->h263_aic= s->pict_type == FF_I_TYPE;
-//    s->alt_inter_vlc=1;
-//    s->obmc=1;
-//    s->umvplus=1;
-    s->modified_quant=1;
-    if(!s->avctx->lowres)
-        s->loop_filter=1;
-
-    if(s->avctx->debug & FF_DEBUG_PICT_INFO){
-            av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
-                   seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding);
-    }
-
-    assert(s->pict_type != FF_B_TYPE || !s->low_delay);
-
-    return s->mb_width*s->mb_height - mb_pos;
-}
-
-static av_cold int rv10_decode_init(AVCodecContext *avctx)
-{
-    MpegEncContext *s = avctx->priv_data;
-    static int done=0;
-
-    if (avctx->extradata_size < 8) {
-        av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
-        return -1;
-    }
-
-    MPV_decode_defaults(s);
-
-    s->avctx= avctx;
-    s->out_format = FMT_H263;
-    s->codec_id= avctx->codec_id;
-
-    s->width = avctx->coded_width;
-    s->height = avctx->coded_height;
-
-    s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1;
-    avctx->sub_id= AV_RB32((uint8_t*)avctx->extradata + 4);
-
-    if (avctx->sub_id == 0x10000000) {
-        s->rv10_version= 0;
-        s->low_delay=1;
-    } else if (avctx->sub_id == 0x10001000) {
-        s->rv10_version= 3;
-        s->low_delay=1;
-    } else if (avctx->sub_id == 0x10002000) {
-        s->rv10_version= 3;
-        s->low_delay=1;
-        s->obmc=1;
-    } else if (avctx->sub_id == 0x10003000) {
-        s->rv10_version= 3;
-        s->low_delay=1;
-    } else if (avctx->sub_id == 0x10003001) {
-        s->rv10_version= 3;
-        s->low_delay=1;
-    } else if (    avctx->sub_id == 0x20001000
-               || (avctx->sub_id >= 0x20100000 && avctx->sub_id < 0x201a0000)) {
-        s->low_delay=1;
-    } else if (    avctx->sub_id == 0x30202002
-               ||  avctx->sub_id == 0x30203002
-               || (avctx->sub_id >= 0x20200002 && avctx->sub_id < 0x20300000)) {
-        s->low_delay=0;
-        s->avctx->has_b_frames=1;
-    } else
-        av_log(s->avctx, AV_LOG_ERROR, "unknown header %X\n", avctx->sub_id);
-
-    if(avctx->debug & FF_DEBUG_PICT_INFO){
-        av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", avctx->sub_id, avctx->extradata_size >= 4 ? ((uint32_t*)avctx->extradata)[0] : -1);
-    }
-
-    avctx->pix_fmt = PIX_FMT_YUV420P;
-
-    if (MPV_common_init(s) < 0)
-        return -1;
-
-    h263_decode_init_vlc(s);
-
-    /* init rv vlc */
-    if (!done) {
-        INIT_VLC_STATIC(&rv_dc_lum, DC_VLC_BITS, 256,
-                 rv_lum_bits, 1, 1,
-                 rv_lum_code, 2, 2, 16384);
-        INIT_VLC_STATIC(&rv_dc_chrom, DC_VLC_BITS, 256,
-                 rv_chrom_bits, 1, 1,
-                 rv_chrom_code, 2, 2, 16388);
-        done = 1;
-    }
-
-    return 0;
-}
-
-static av_cold int rv10_decode_end(AVCodecContext *avctx)
-{
-    MpegEncContext *s = avctx->priv_data;
-
-    MPV_common_end(s);
-    return 0;
-}
-
-static int rv10_decode_packet(AVCodecContext *avctx,
-                             const uint8_t *buf, int buf_size)
-{
-    MpegEncContext *s = avctx->priv_data;
-    int mb_count, mb_pos, left, start_mb_x;
-
-    init_get_bits(&s->gb, buf, buf_size*8);
-    if(s->codec_id ==CODEC_ID_RV10)
-        mb_count = rv10_decode_picture_header(s);
-    else
-        mb_count = rv20_decode_picture_header(s);
-    if (mb_count < 0) {
-        av_log(s->avctx, AV_LOG_ERROR, "HEADER ERROR\n");
-        return -1;
-    }
-
-    if (s->mb_x >= s->mb_width ||
-        s->mb_y >= s->mb_height) {
-        av_log(s->avctx, AV_LOG_ERROR, "POS ERROR %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-    mb_pos = s->mb_y * s->mb_width + s->mb_x;
-    left = s->mb_width * s->mb_height - mb_pos;
-    if (mb_count > left) {
-        av_log(s->avctx, AV_LOG_ERROR, "COUNT ERROR\n");
-        return -1;
-    }
-
-    if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
-        if(s->current_picture_ptr){ //FIXME write parser so we always have complete frames?
-            ff_er_frame_end(s);
-            MPV_frame_end(s);
-            s->mb_x= s->mb_y = s->resync_mb_x = s->resync_mb_y= 0;
-        }
-        if(MPV_frame_start(s, avctx) < 0)
-            return -1;
-        ff_er_frame_start(s);
-    }
-
-    dprintf(avctx, "qscale=%d\n", s->qscale);
-
-    /* default quantization values */
-    if(s->codec_id== CODEC_ID_RV10){
-        if(s->mb_y==0) s->first_slice_line=1;
-    }else{
-        s->first_slice_line=1;
-        s->resync_mb_x= s->mb_x;
-    }
-    start_mb_x= s->mb_x;
-    s->resync_mb_y= s->mb_y;
-    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;
-    }
-
-    if(s->modified_quant)
-        s->chroma_qscale_table= ff_h263_chroma_qscale_table;
-
-    ff_set_qscale(s, s->qscale);
-
-    s->rv10_first_dc_coded[0] = 0;
-    s->rv10_first_dc_coded[1] = 0;
-    s->rv10_first_dc_coded[2] = 0;
-    s->block_wrap[0]=
-    s->block_wrap[1]=
-    s->block_wrap[2]=
-    s->block_wrap[3]= s->b8_stride;
-    s->block_wrap[4]=
-    s->block_wrap[5]= s->mb_stride;
-    ff_init_block_index(s);
-    /* decode each macroblock */
-
-    for(s->mb_num_left= mb_count; s->mb_num_left>0; s->mb_num_left--) {
-        int ret;
-        ff_update_block_index(s);
-        dprintf(avctx, "**mb x=%d y=%d\n", s->mb_x, s->mb_y);
-
-        s->mv_dir = MV_DIR_FORWARD;
-        s->mv_type = MV_TYPE_16X16;
-        ret=ff_h263_decode_mb(s, s->block);
-
-        if (ret == SLICE_ERROR || s->gb.size_in_bits < get_bits_count(&s->gb)) {
-            av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-        if(s->pict_type != FF_B_TYPE)
-            ff_h263_update_motion_val(s);
-        MPV_decode_mb(s, s->block);
-        if(s->loop_filter)
-            ff_h263_loop_filter(s);
-
-        if (++s->mb_x == s->mb_width) {
-            s->mb_x = 0;
-            s->mb_y++;
-            ff_init_block_index(s);
-        }
-        if(s->mb_x == s->resync_mb_x)
-            s->first_slice_line=0;
-        if(ret == SLICE_END) break;
-    }
-
-    ff_er_add_slice(s, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
-
-    return buf_size;
-}
-
-static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n)
-{
-    if(avctx->slice_count) return avctx->slice_offset[n];
-    else                   return AV_RL32(buf + n*8);
-}
-
-static int rv10_decode_frame(AVCodecContext *avctx,
-                             void *data, int *data_size,
-                             AVPacket *avpkt)
-{
-    const uint8_t *buf = avpkt->data;
-    int buf_size = avpkt->size;
-    MpegEncContext *s = avctx->priv_data;
-    int i;
-    AVFrame *pict = data;
-    int slice_count;
-    const uint8_t *slices_hdr = NULL;
-
-    dprintf(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
-
-    /* no supplementary picture */
-    if (buf_size == 0) {
-        return 0;
-    }
-
-    if(!avctx->slice_count){
-        slice_count = (*buf++) + 1;
-        slices_hdr = buf + 4;
-        buf += 8 * slice_count;
-    }else
-        slice_count = avctx->slice_count;
-
-    for(i=0; i<slice_count; i++){
-        int offset= get_slice_offset(avctx, slices_hdr, i);
-        int size;
-
-        if(i+1 == slice_count)
-            size= buf_size - offset;
-        else
-            size= get_slice_offset(avctx, slices_hdr, i+1) - offset;
-
-        rv10_decode_packet(avctx, buf+offset, size);
-    }
-
-    if(s->current_picture_ptr != NULL && s->mb_y>=s->mb_height){
-        ff_er_frame_end(s);
-        MPV_frame_end(s);
-
-        if (s->pict_type == FF_B_TYPE || s->low_delay) {
-            *pict= *(AVFrame*)s->current_picture_ptr;
-        } else if (s->last_picture_ptr != NULL) {
-            *pict= *(AVFrame*)s->last_picture_ptr;
-        }
-
-        if(s->last_picture_ptr || s->low_delay){
-            *data_size = sizeof(AVFrame);
-            ff_print_debug_info(s, pict);
-        }
-        s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
-    }
-
-    return buf_size;
-}
-
-AVCodec rv10_decoder = {
-    "rv10",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RV10,
-    sizeof(MpegEncContext),
-    rv10_decode_init,
-    NULL,
-    rv10_decode_end,
-    rv10_decode_frame,
-    CODEC_CAP_DR1,
-    .long_name = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
-    .pix_fmts= ff_pixfmt_list_420,
-};
-
-AVCodec rv20_decoder = {
-    "rv20",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RV20,
-    sizeof(MpegEncContext),
-    rv10_decode_init,
-    NULL,
-    rv10_decode_end,
-    rv10_decode_frame,
-    CODEC_CAP_DR1 | CODEC_CAP_DELAY,
-    .flush= ff_mpeg_flush,
-    .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
-    .pix_fmts= ff_pixfmt_list_420,
-};
-
-AVCodec rv10_encoder = {
-    "rv10",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RV10,
-    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 1.0"),
-};
-
 AVCodec rv20_encoder = {
     "rv20",
     CODEC_TYPE_VIDEO,



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