LCOV - code coverage report
Current view: top level - libavformat - mpjpeg.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 14 0.0 %
Date: 2017-12-15 18:13:28 Functions: 0 3 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Multipart JPEG format
       3             :  * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : #include "libavutil/opt.h"
      22             : #include "avformat.h"
      23             : 
      24             : /* Multipart JPEG */
      25             : 
      26             : #define BOUNDARY_TAG "ffserver"
      27             : 
      28             : typedef struct MPJPEGContext {
      29             :     AVClass *class;
      30             :     char *boundary_tag;
      31             : } MPJPEGContext;
      32             : 
      33           0 : static int mpjpeg_write_header(AVFormatContext *s)
      34             : {
      35           0 :     MPJPEGContext *mpj = s->priv_data;
      36           0 :     avio_printf(s->pb, "--%s\r\n", mpj->boundary_tag);
      37           0 :     avio_flush(s->pb);
      38           0 :     return 0;
      39             : }
      40             : 
      41           0 : static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
      42             : {
      43           0 :     MPJPEGContext *mpj = s->priv_data;
      44           0 :     avio_printf(s->pb, "Content-type: image/jpeg\r\n");
      45           0 :     avio_printf(s->pb, "Content-length: %d\r\n\r\n",
      46             :                 pkt->size);
      47           0 :     avio_write(s->pb, pkt->data, pkt->size);
      48             : 
      49           0 :     avio_printf(s->pb, "\r\n--%s\r\n", mpj->boundary_tag);
      50           0 :     return 0;
      51             : }
      52             : 
      53           0 : static int mpjpeg_write_trailer(AVFormatContext *s)
      54             : {
      55           0 :     return 0;
      56             : }
      57             : 
      58             : static const AVOption options[] = {
      59             :     { "boundary_tag",    "Boundary tag", offsetof(MPJPEGContext, boundary_tag),   AV_OPT_TYPE_STRING, {.str = BOUNDARY_TAG}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
      60             :     { NULL },
      61             : };
      62             : 
      63             : static const AVClass mpjpeg_muxer_class = {
      64             :     .class_name = "mpjpeg_muxer",
      65             :     .item_name  = av_default_item_name,
      66             :     .option     = options,
      67             :     .version    = LIBAVUTIL_VERSION_INT,
      68             : };
      69             : 
      70             : AVOutputFormat ff_mpjpeg_muxer = {
      71             :     .name              = "mpjpeg",
      72             :     .long_name         = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"),
      73             :     .mime_type         = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
      74             :     .extensions        = "mjpg",
      75             :     .priv_data_size    = sizeof(MPJPEGContext),
      76             :     .audio_codec       = AV_CODEC_ID_NONE,
      77             :     .video_codec       = AV_CODEC_ID_MJPEG,
      78             :     .write_header      = mpjpeg_write_header,
      79             :     .write_packet      = mpjpeg_write_packet,
      80             :     .write_trailer     = mpjpeg_write_trailer,
      81             :     .flags             = AVFMT_NOTIMESTAMPS,
      82             :     .priv_class        = &mpjpeg_muxer_class,
      83             : };

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