making act segmenter

1 files changed, 73 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/rv20enc.c b/ffmpeg/libavcodec/rv20enc.c
new file mode 100644
index 0000000..295699a
--- /dev/null
+++ b/ffmpeg/libavcodec/rv20enc.c
@@ -0,0 +1,73 @@
+/*
+ * 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
+ * RV20 encoder
+ */
+
+#include "mpegvideo.h"
+#include "h263.h"
+#include "put_bits.h"
+
+void ff_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);
+
+    av_assert0(s->f_code == 1);
+    av_assert0(s->unrestricted_mv == 0);
+    av_assert0(s->alt_inter_vlc == 0);
+    av_assert0(s->umvplus == 0);
+    av_assert0(s->modified_quant==1);
+    av_assert0(s->loop_filter==1);
+
+    s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
+    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;
+    }
+}
+
+FF_MPV_GENERIC_CLASS(rv20)
+
+AVCodec ff_rv20_encoder = {
+    .name           = "rv20",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_RV20,
+    .priv_data_size = sizeof(MpegEncContext),
+    .init           = ff_MPV_encode_init,
+    .encode2        = ff_MPV_encode_picture,
+    .close          = ff_MPV_encode_end,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
+    .priv_class     = &rv20_class,
+};