LCOV - code coverage report
Current view: top level - libavcodec - v408enc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 27 32 84.4 %
Date: 2017-12-12 11:08:38 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /*
       2             :  * v408 encoder
       3             :  *
       4             :  * Copyright (c) 2012 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 v408_encode_init(AVCodecContext *avctx)
      28             : {
      29           4 :     avctx->bits_per_coded_sample = 32;
      30           4 :     avctx->bit_rate = ff_guess_coded_bitrate(avctx);
      31             : 
      32           4 :     return 0;
      33             : }
      34             : 
      35         200 : static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
      36             :                              const AVFrame *pic, int *got_packet)
      37             : {
      38             :     uint8_t *dst;
      39             :     uint8_t *y, *u, *v, *a;
      40             :     int i, j, ret;
      41             : 
      42         200 :     if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4, 0)) < 0)
      43           0 :         return ret;
      44         200 :     dst = pkt->data;
      45             : 
      46         200 :     y = pic->data[0];
      47         200 :     u = pic->data[1];
      48         200 :     v = pic->data[2];
      49         200 :     a = pic->data[3];
      50             : 
      51       45100 :     for (i = 0; i < avctx->height; i++) {
      52    15309100 :         for (j = 0; j < avctx->width; j++) {
      53    15264200 :            if (avctx->codec_id==AV_CODEC_ID_AYUV) {
      54           0 :                 *dst++ = v[j];
      55           0 :                 *dst++ = u[j];
      56           0 :                 *dst++ = y[j];
      57           0 :                 *dst++ = a[j];
      58             :             } else {
      59    15264200 :                 *dst++ = u[j];
      60    15264200 :                 *dst++ = y[j];
      61    15264200 :                 *dst++ = v[j];
      62    15264200 :                 *dst++ = a[j];
      63             :             }
      64             :         }
      65       44900 :         y += pic->linesize[0];
      66       44900 :         u += pic->linesize[1];
      67       44900 :         v += pic->linesize[2];
      68       44900 :         a += pic->linesize[3];
      69             :     }
      70             : 
      71         200 :     pkt->flags |= AV_PKT_FLAG_KEY;
      72         200 :     *got_packet = 1;
      73         200 :     return 0;
      74             : }
      75             : 
      76           4 : static av_cold int v408_encode_close(AVCodecContext *avctx)
      77             : {
      78           4 :     return 0;
      79             : }
      80             : 
      81             : #if CONFIG_AYUV_ENCODER
      82             : AVCodec ff_ayuv_encoder = {
      83             :     .name         = "ayuv",
      84             :     .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
      85             :     .type         = AVMEDIA_TYPE_VIDEO,
      86             :     .id           = AV_CODEC_ID_AYUV,
      87             :     .init         = v408_encode_init,
      88             :     .encode2      = v408_encode_frame,
      89             :     .close        = v408_encode_close,
      90             :     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
      91             :     .capabilities = AV_CODEC_CAP_INTRA_ONLY,
      92             : };
      93             : #endif
      94             : #if CONFIG_V408_ENCODER
      95             : AVCodec ff_v408_encoder = {
      96             :     .name         = "v408",
      97             :     .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),
      98             :     .type         = AVMEDIA_TYPE_VIDEO,
      99             :     .id           = AV_CODEC_ID_V408,
     100             :     .init         = v408_encode_init,
     101             :     .encode2      = v408_encode_frame,
     102             :     .close        = v408_encode_close,
     103             :     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
     104             :     .capabilities = AV_CODEC_CAP_INTRA_ONLY,
     105             : };
     106             : #endif

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