diff options
Diffstat (limited to 'ffmpeg1/libavcodec/rv10enc.c')
| -rw-r--r-- | ffmpeg1/libavcodec/rv10enc.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/rv10enc.c b/ffmpeg1/libavcodec/rv10enc.c new file mode 100644 index 0000000..c4c5c53 --- /dev/null +++ b/ffmpeg1/libavcodec/rv10enc.c @@ -0,0 +1,72 @@ +/* + * RV10 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 + * RV10 encoder + */ + +#include "mpegvideo.h" +#include "put_bits.h" + +void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number) +{ + int full_frame= 0; + + avpriv_align_put_bits(&s->pb); + + put_bits(&s->pb, 1, 1); /* marker */ + + put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P)); + + put_bits(&s->pb, 1, 0); /* not PB frame */ + + put_bits(&s->pb, 5, s->qscale); + + if (s->pict_type == AV_PICTURE_TYPE_I) { + /* 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 */ +} + +FF_MPV_GENERIC_CLASS(rv10) + +AVCodec ff_rv10_encoder = { + .name = "rv10", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_RV10, + .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 1.0"), + .priv_class = &rv10_class, +}; |
