LCOV - code coverage report
Current view: top level - libavcodec - rv10enc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 15 18 83.3 %
Date: 2017-12-15 02:19:58 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * RV10 encoder
       3             :  * Copyright (c) 2000,2001 Fabrice Bellard
       4             :  * Copyright (c) 2002-2004 Michael Niedermayer
       5             :  *
       6             :  * This file is part of FFmpeg.
       7             :  *
       8             :  * FFmpeg is free software; you can redistribute it and/or
       9             :  * modify it under the terms of the GNU Lesser General Public
      10             :  * License as published by the Free Software Foundation; either
      11             :  * version 2.1 of the License, or (at your option) any later version.
      12             :  *
      13             :  * FFmpeg is distributed in the hope that it will be useful,
      14             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :  * Lesser General Public License for more details.
      17             :  *
      18             :  * You should have received a copy of the GNU Lesser General Public
      19             :  * License along with FFmpeg; if not, write to the Free Software
      20             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      21             :  */
      22             : 
      23             : /**
      24             :  * @file
      25             :  * RV10 encoder
      26             :  */
      27             : 
      28             : #include "mpegvideo.h"
      29             : #include "put_bits.h"
      30             : #include "rv10.h"
      31             : 
      32         175 : int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
      33             : {
      34         175 :     int full_frame= 0;
      35             : 
      36         175 :     avpriv_align_put_bits(&s->pb);
      37             : 
      38         175 :     put_bits(&s->pb, 1, 1);     /* marker */
      39             : 
      40         175 :     put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P));
      41             : 
      42         175 :     put_bits(&s->pb, 1, 0);     /* not PB-mframe */
      43             : 
      44         175 :     put_bits(&s->pb, 5, s->qscale);
      45             : 
      46         175 :     if (s->pict_type == AV_PICTURE_TYPE_I) {
      47             :         /* specific MPEG like DC coding not used */
      48             :     }
      49             :     /* if multiple packets per frame are sent, the position at which
      50             :        to display the macroblocks is coded here */
      51         175 :     if(!full_frame){
      52         175 :         if (s->mb_width * s->mb_height >= (1U << 12)) {
      53           0 :             avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks",
      54           0 :                                           s->mb_width * s->mb_height);
      55           0 :             return AVERROR(ENOSYS);
      56             :         }
      57         175 :         put_bits(&s->pb, 6, 0); /* mb_x */
      58         175 :         put_bits(&s->pb, 6, 0); /* mb_y */
      59         175 :         put_bits(&s->pb, 12, s->mb_width * s->mb_height);
      60             :     }
      61             : 
      62         175 :     put_bits(&s->pb, 3, 0);     /* ignored */
      63         175 :     return 0;
      64             : }
      65             : 
      66             : static const AVClass rv10_class = {
      67             :     .class_name = "rv10 encoder",
      68             :     .item_name  = av_default_item_name,
      69             :     .option     = ff_mpv_generic_options,
      70             :     .version    = LIBAVUTIL_VERSION_INT,
      71             : };
      72             : 
      73             : AVCodec ff_rv10_encoder = {
      74             :     .name           = "rv10",
      75             :     .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
      76             :     .type           = AVMEDIA_TYPE_VIDEO,
      77             :     .id             = AV_CODEC_ID_RV10,
      78             :     .priv_data_size = sizeof(MpegEncContext),
      79             :     .init           = ff_mpv_encode_init,
      80             :     .encode2        = ff_mpv_encode_picture,
      81             :     .close          = ff_mpv_encode_end,
      82             :     .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
      83             :     .priv_class     = &rv10_class,
      84             : };

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