LCOV - code coverage report
Current view: top level - libavcodec - xbmenc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 19 20 95.0 %
Date: 2017-12-14 01:15:32 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * XBM image format
       3             :  *
       4             :  * Copyright (c) 2012 Paul B Mahol
       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 "avcodec.h"
      24             : #include "internal.h"
      25             : #include "mathops.h"
      26             : 
      27          13 : static int xbm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
      28             :                             const AVFrame *p, int *got_packet)
      29             : {
      30             :     int i, j, ret, size, linesize;
      31             :     uint8_t *ptr, *buf;
      32             : 
      33          13 :     linesize = (avctx->width + 7) / 8;
      34          13 :     size     = avctx->height * (linesize * 7 + 2) + 110;
      35          13 :     if ((ret = ff_alloc_packet2(avctx, pkt, size, 0)) < 0)
      36           0 :         return ret;
      37             : 
      38          13 :     buf = pkt->data;
      39          13 :     ptr = p->data[0];
      40             : 
      41          13 :     buf += snprintf(buf, 32, "#define image_width %u\n", avctx->width);
      42          13 :     buf += snprintf(buf, 33, "#define image_height %u\n", avctx->height);
      43          13 :     buf += snprintf(buf, 40, "static unsigned char image_bits[] = {\n");
      44        3757 :     for (i = 0; i < avctx->height; i++) {
      45      168480 :         for (j = 0; j < linesize; j++)
      46      164736 :             buf += snprintf(buf, 7, " 0x%02X,", ff_reverse[*ptr++]);
      47        3744 :         ptr += p->linesize[0] - linesize;
      48        3744 :         buf += snprintf(buf, 2, "\n");
      49             :     }
      50          13 :     buf += snprintf(buf, 5, " };\n");
      51             : 
      52          13 :     pkt->size   = buf - pkt->data;
      53          13 :     pkt->flags |= AV_PKT_FLAG_KEY;
      54          13 :     *got_packet = 1;
      55          13 :     return 0;
      56             : }
      57             : 
      58             : AVCodec ff_xbm_encoder = {
      59             :     .name         = "xbm",
      60             :     .long_name    = NULL_IF_CONFIG_SMALL("XBM (X BitMap) image"),
      61             :     .type         = AVMEDIA_TYPE_VIDEO,
      62             :     .id           = AV_CODEC_ID_XBM,
      63             :     .encode2      = xbm_encode_frame,
      64             :     .pix_fmts     = (const enum AVPixelFormat[]) { AV_PIX_FMT_MONOWHITE,
      65             :                                                    AV_PIX_FMT_NONE },
      66             : };

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