LCOV - code coverage report
Current view: top level - libavformat - vc1testenc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 39 0.0 %
Date: 2017-12-16 13:57:32 Functions: 0 3 0.0 %

          Line data    Source code
       1             : /*
       2             :  * VC-1 test bitstreams format muxer.
       3             :  * Copyright (c) 2008 Konstantin Shishkov
       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 "avformat.h"
      22             : #include "internal.h"
      23             : 
      24             : typedef struct RCVContext {
      25             :     int frames;
      26             : } RCVContext;
      27             : 
      28           0 : static int vc1test_write_header(AVFormatContext *s)
      29             : {
      30           0 :     AVCodecParameters *par = s->streams[0]->codecpar;
      31           0 :     AVIOContext *pb = s->pb;
      32             : 
      33           0 :     if (par->codec_id != AV_CODEC_ID_WMV3) {
      34           0 :         av_log(s, AV_LOG_ERROR, "Only WMV3 is accepted!\n");
      35           0 :         return -1;
      36             :     }
      37           0 :     avio_wl24(pb, 0); //frames count will be here
      38           0 :     avio_w8(pb, 0xC5);
      39           0 :     avio_wl32(pb, 4);
      40           0 :     avio_write(pb, par->extradata, 4);
      41           0 :     avio_wl32(pb, par->height);
      42           0 :     avio_wl32(pb, par->width);
      43           0 :     avio_wl32(pb, 0xC);
      44           0 :     avio_wl24(pb, 0); // hrd_buffer
      45           0 :     avio_w8(pb, 0x80); // level|cbr|res1
      46           0 :     avio_wl32(pb, 0); // hrd_rate
      47           0 :     if (s->streams[0]->avg_frame_rate.den && s->streams[0]->avg_frame_rate.num == 1)
      48           0 :         avio_wl32(pb, s->streams[0]->avg_frame_rate.den);
      49             :     else
      50           0 :         avio_wl32(pb, 0xFFFFFFFF); //variable framerate
      51           0 :     avpriv_set_pts_info(s->streams[0], 32, 1, 1000);
      52             : 
      53           0 :     return 0;
      54             : }
      55             : 
      56           0 : static int vc1test_write_packet(AVFormatContext *s, AVPacket *pkt)
      57             : {
      58           0 :     RCVContext *ctx = s->priv_data;
      59           0 :     AVIOContext *pb = s->pb;
      60             : 
      61           0 :     if (!pkt->size)
      62           0 :         return 0;
      63           0 :     avio_wl32(pb, pkt->size | ((pkt->flags & AV_PKT_FLAG_KEY) ? 0x80000000 : 0));
      64           0 :     avio_wl32(pb, pkt->pts);
      65           0 :     avio_write(pb, pkt->data, pkt->size);
      66           0 :     ctx->frames++;
      67             : 
      68           0 :     return 0;
      69             : }
      70             : 
      71           0 : static int vc1test_write_trailer(AVFormatContext *s)
      72             : {
      73           0 :     RCVContext *ctx = s->priv_data;
      74           0 :     AVIOContext *pb = s->pb;
      75             : 
      76           0 :     if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
      77           0 :         avio_seek(pb, 0, SEEK_SET);
      78           0 :         avio_wl24(pb, ctx->frames);
      79           0 :         avio_flush(pb);
      80             :     }
      81           0 :     return 0;
      82             : }
      83             : 
      84             : AVOutputFormat ff_vc1t_muxer = {
      85             :     .name              = "vc1test",
      86             :     .long_name         = NULL_IF_CONFIG_SMALL("VC-1 test bitstream"),
      87             :     .extensions        = "rcv",
      88             :     .priv_data_size    = sizeof(RCVContext),
      89             :     .audio_codec       = AV_CODEC_ID_NONE,
      90             :     .video_codec       = AV_CODEC_ID_WMV3,
      91             :     .write_header      = vc1test_write_header,
      92             :     .write_packet      = vc1test_write_packet,
      93             :     .write_trailer     = vc1test_write_trailer,
      94             : };

Generated by: LCOV version 1.13