LCOV - code coverage report
Current view: top level - libavcodec - v308enc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 24 27 88.9 %
Date: 2017-12-18 06:23:41 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /*
       2             :  * v308 encoder
       3             :  *
       4             :  * Copyright (c) 2011 Carl Eugen Hoyos
       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             : #include "libavutil/intreadwrite.h"
      24             : #include "avcodec.h"
      25             : #include "internal.h"
      26             : 
      27           4 : static av_cold int v308_encode_init(AVCodecContext *avctx)
      28             : {
      29           4 :     if (avctx->width & 1) {
      30           0 :         av_log(avctx, AV_LOG_ERROR, "v308 requires width to be even.\n");
      31           0 :         return AVERROR_INVALIDDATA;
      32             :     }
      33             : 
      34           4 :     avctx->bits_per_coded_sample = 24;
      35           4 :     avctx->bit_rate = ff_guess_coded_bitrate(avctx);
      36             : 
      37           4 :     return 0;
      38             : }
      39             : 
      40         200 : static int v308_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
      41             :                              const AVFrame *pic, int *got_packet)
      42             : {
      43             :     uint8_t *dst;
      44             :     uint8_t *y, *u, *v;
      45             :     int i, j, ret;
      46             : 
      47         200 :     if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 3, 0)) < 0)
      48           0 :         return ret;
      49         200 :     dst = pkt->data;
      50             : 
      51         200 :     y = pic->data[0];
      52         200 :     u = pic->data[1];
      53         200 :     v = pic->data[2];
      54             : 
      55       45100 :     for (i = 0; i < avctx->height; i++) {
      56    15309100 :         for (j = 0; j < avctx->width; j++) {
      57    15264200 :             *dst++ = v[j];
      58    15264200 :             *dst++ = y[j];
      59    15264200 :             *dst++ = u[j];
      60             :         }
      61       44900 :         y += pic->linesize[0];
      62       44900 :         u += pic->linesize[1];
      63       44900 :         v += pic->linesize[2];
      64             :     }
      65             : 
      66         200 :     pkt->flags |= AV_PKT_FLAG_KEY;
      67         200 :     *got_packet = 1;
      68         200 :     return 0;
      69             : }
      70             : 
      71           4 : static av_cold int v308_encode_close(AVCodecContext *avctx)
      72             : {
      73           4 :     return 0;
      74             : }
      75             : 
      76             : AVCodec ff_v308_encoder = {
      77             :     .name         = "v308",
      78             :     .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),
      79             :     .type         = AVMEDIA_TYPE_VIDEO,
      80             :     .id           = AV_CODEC_ID_V308,
      81             :     .init         = v308_encode_init,
      82             :     .encode2      = v308_encode_frame,
      83             :     .close        = v308_encode_close,
      84             :     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE },
      85             :     .capabilities = AV_CODEC_CAP_INTRA_ONLY,
      86             : };

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