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Diffstat (limited to 'ffmpeg1/libavcodec/rv20enc.c')
-rw-r--r--ffmpeg1/libavcodec/rv20enc.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/rv20enc.c b/ffmpeg1/libavcodec/rv20enc.c
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+++ b/ffmpeg1/libavcodec/rv20enc.c
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+/*
+ * 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,
+};