VirtualBox

source: vbox/trunk/src/VBox/Main/src-client/EbmlWriter.h@ 68272

Last change on this file since 68272 was 67914, checked in by vboxsync, 7 years ago

src-client: Define LOG_GROUP according to interface or similar.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
  • Property svn:mergeinfo set to (toggle deleted branches)
    /branches/VBox-3.0/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h58652,​70973
    /branches/VBox-3.2/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h66309,​66318
    /branches/VBox-4.0/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h70873
    /branches/VBox-4.1/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h74233
    /branches/VBox-4.2/src/VBox/Main/src-client/EbmlWriter.h91503-91504,​91506-91508,​91510,​91514-91515,​91521
    /branches/VBox-4.3/src/VBox/Main/src-client/EbmlWriter.h91223
    /branches/VBox-4.3/trunk/src/VBox/Main/src-client/EbmlWriter.h91223
    /branches/dsen/gui/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h79076-79078,​79089,​79109-79110,​79112-79113,​79127-79130,​79134,​79141,​79151,​79155,​79157-79159,​79193,​79197
    /branches/dsen/gui2/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h79224,​79228,​79233,​79235,​79258,​79262-79263,​79273,​79341,​79345,​79354,​79357,​79387-79388,​79559-79569,​79572-79573,​79578,​79581-79582,​79590-79591,​79598-79599,​79602-79603,​79605-79606,​79632,​79635,​79637,​79644
    /branches/dsen/gui3/src/VBox/Frontends/VBoxHeadless/VideoCapture/EbmlWriter.h79645-79692
File size: 3.7 KB
Line 
1/* $Id: EbmlWriter.h 67914 2017-07-11 20:46:37Z vboxsync $ */
2/** @file
3 * EbmlWriter.h - EBML writer + WebM container.
4 */
5
6/*
7 * Copyright (C) 2013-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ____EBMLWRITER
19#define ____EBMLWRITER
20
21#ifdef VBOX_WITH_LIBVPX
22# ifdef _MSC_VER
23# pragma warning(push)
24# pragma warning(disable: 4668) /* vpx_codec.h(64) : warning C4668: '__GNUC__' is not defined as a preprocessor macro, replacing with '0' for '#if/#elif' */
25# include <vpx/vpx_encoder.h>
26# pragma warning(pop)
27# else
28# include <vpx/vpx_encoder.h>
29# endif
30#endif /* VBOX_WITH_LIBVPX */
31
32#include <iprt/file.h>
33
34class WebMWriter_Impl;
35
36class WebMWriter
37{
38
39public:
40
41 /**
42 * Supported audio codecs.
43 */
44 enum AudioCodec
45 {
46 /** No audio codec specified. */
47 AudioCodec_Unknown = 0,
48 /** Opus. */
49 AudioCodec_Opus = 1
50 };
51
52 /**
53 * Supported video codecs.
54 */
55 enum VideoCodec
56 {
57 /** No video codec specified. */
58 VideoCodec_None = 0,
59 /** VP8. */
60 VideoCodec_VP8 = 1
61 };
62
63#ifdef VBOX_WITH_LIBVPX
64 /**
65 * Block data for VP8-encoded video data.
66 */
67 struct BlockData_VP8
68 {
69 const vpx_codec_enc_cfg_t *pCfg;
70 const vpx_codec_cx_pkt_t *pPkt;
71 };
72#endif /* VBOX_WITH_LIBVPX */
73
74#ifdef VBOX_WITH_LIBOPUS
75 /**
76 * Block data for Opus-encoded audio data.
77 */
78 struct BlockData_Opus
79 {
80 /** Pointer to encoded Opus audio data. */
81 const void *pvData;
82 /** Size (in bytes) of encoded Opus audio data. */
83 size_t cbData;
84 /** Timestamp (in ms). */
85 uint64_t uTimestampMs;
86 };
87#endif /* VBOX_WITH_LIBOPUS */
88
89public:
90
91 WebMWriter();
92 virtual ~WebMWriter();
93
94 /**
95 * Creates output file.
96 *
97 * @param a_pszFilename Name of the file to create.
98 * @param a_fOpen File open mode of type RTFILE_O_.
99 * @param a_enmAudioCodec Audio codec to use.
100 * @param a_enmVideoCodec Video codec to use.
101 *
102 * @returns VBox status code. */
103 int Create(const char *a_pszFilename, uint64_t a_fOpen,
104 WebMWriter::AudioCodec a_enmAudioCodec, WebMWriter::VideoCodec a_enmVideoCodec);
105
106 /** Closes output file. */
107 int Close(void);
108
109 int AddAudioTrack(uint16_t uHz, uint8_t cChannels, uint8_t cBits, uint8_t *puTrack);
110
111 int AddVideoTrack(uint16_t uWidth, uint16_t uHeight, double dbFPS, uint8_t *puTrack);
112
113 /**
114 * Writes a block of compressed data.
115 *
116 * @param uTrack Track number to write data to.
117 * @param pvData Pointer to block data to write.
118 * @param cbData Size (in bytes) of block data to write.
119 *
120 * @returns VBox status code.
121 */
122 int WriteBlock(uint8_t uTrack, const void *pvData, size_t cbData);
123
124 /**
125 * Gets current output file size.
126 *
127 * @returns File size in bytes.
128 */
129 uint64_t GetFileSize(void);
130
131 /**
132 * Gets current free storage space available for the file.
133 *
134 * @returns Available storage free space.
135 */
136 uint64_t GetAvailableSpace(void);
137
138private:
139
140 /** WebMWriter implementation.
141 * To isolate some include files. */
142 WebMWriter_Impl *m_pImpl;
143
144 DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(WebMWriter);
145};
146
147#endif /* !____EBMLWRITER */
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