webm/mkvmuxerutil.cpp

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// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
#include "mkvmuxerutil.hpp"
#include <cmath>
#include <cstdio>
#ifdef _WIN32
#define _CRT_RAND_S
#endif
#include <cstdlib>
#include <cstring>
#include <ctime>
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
#include <limits>
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
#include <new>
#include "mkvwriter.hpp"
#include "webmids.hpp"
namespace mkvmuxer {
int32 GetCodedUIntSize(uint64 value) {
if (value < 0x000000000000007FULL)
return 1;
else if (value < 0x0000000000003FFFULL)
return 2;
else if (value < 0x00000000001FFFFFULL)
return 3;
else if (value < 0x000000000FFFFFFFULL)
return 4;
else if (value < 0x00000007FFFFFFFFULL)
return 5;
else if (value < 0x000003FFFFFFFFFFULL)
return 6;
else if (value < 0x0001FFFFFFFFFFFFULL)
return 7;
return 8;
}
int32 GetUIntSize(uint64 value) {
if (value < 0x0000000000000100ULL)
return 1;
else if (value < 0x0000000000010000ULL)
return 2;
else if (value < 0x0000000001000000ULL)
return 3;
else if (value < 0x0000000100000000ULL)
return 4;
else if (value < 0x0000010000000000ULL)
return 5;
else if (value < 0x0001000000000000ULL)
return 6;
else if (value < 0x0100000000000000ULL)
return 7;
return 8;
}
uint64 EbmlMasterElementSize(uint64 type, uint64 value) {
// Size of EBML ID
int32 ebml_size = GetUIntSize(type);
// Datasize
ebml_size += GetCodedUIntSize(value);
return ebml_size;
}
uint64 EbmlElementSize(uint64 type, uint64 value) {
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Size of EBML ID
int32 ebml_size = GetUIntSize(type);
// Datasize
ebml_size += GetUIntSize(value);
// Size of Datasize
ebml_size++;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return ebml_size;
}
uint64 EbmlElementSize(uint64 type, float /* value */ ) {
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Size of EBML ID
uint64 ebml_size = GetUIntSize(type);
// Datasize
ebml_size += sizeof(float);
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Size of Datasize
ebml_size++;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return ebml_size;
}
uint64 EbmlElementSize(uint64 type, const char* value) {
if (!value)
return 0;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Size of EBML ID
uint64 ebml_size = GetUIntSize(type);
// Datasize
ebml_size += strlen(value);
// Size of Datasize
ebml_size++;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return ebml_size;
}
uint64 EbmlElementSize(uint64 type, const uint8* value, uint64 size) {
if (!value)
return 0;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Size of EBML ID
uint64 ebml_size = GetUIntSize(type);
// Datasize
ebml_size += size;
// Size of Datasize
ebml_size += GetCodedUIntSize(size);
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return ebml_size;
}
int32 SerializeInt(IMkvWriter* writer, int64 value, int32 size) {
if (!writer || size < 1 || size > 8)
return -1;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
for (int32 i = 1; i <= size; ++i) {
const int32 byte_count = size - i;
const int32 bit_count = byte_count * 8;
const int64 bb = value >> bit_count;
const uint8 b = static_cast<uint8>(bb);
const int32 status = writer->Write(&b, 1);
if (status < 0)
return status;
}
return 0;
}
int32 SerializeFloat(IMkvWriter* writer, float f) {
if (!writer)
return -1;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
const uint32& val = reinterpret_cast<const uint32&>(f);
for (int32 i = 1; i <= 4; ++i) {
const int32 byte_count = 4 - i;
const int32 bit_count = byte_count * 8;
const uint32 bb = val >> bit_count;
const uint8 b = static_cast<uint8>(bb);
const int32 status = writer->Write(&b, 1);
if (status < 0)
return status;
}
return 0;
}
int32 WriteUInt(IMkvWriter* writer, uint64 value) {
if (!writer)
return -1;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
int32 size = GetCodedUIntSize(value);
return WriteUIntSize(writer, value, size);
}
int32 WriteUIntSize(IMkvWriter* writer, uint64 value, int32 size) {
if (!writer || size < 0 || size > 8)
return -1;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (size > 0) {
const uint64 bit = 1LL << (size * 7);
if (value > (bit - 2))
return -1;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
value |= bit;
} else {
size = 1;
int64 bit;
for (;;) {
bit = 1LL << (size * 7);
const uint64 max = bit - 2;
if (value <= max)
break;
++size;
}
if (size > 8)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
value |= bit;
}
return SerializeInt(writer, value, size);
}
int32 WriteID(IMkvWriter* writer, uint64 type) {
if (!writer)
return -1;
writer->ElementStartNotify(type, writer->Position());
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
const int32 size = GetUIntSize(type);
return SerializeInt(writer, type, size);
}
bool WriteEbmlMasterElement(IMkvWriter* writer, uint64 type, uint64 size) {
if (!writer)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, type))
return false;
if (WriteUInt(writer, size))
return false;
return true;
}
bool WriteEbmlElement(IMkvWriter* writer, uint64 type, uint64 value) {
if (!writer)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, type))
return false;
const uint64 size = GetUIntSize(value);
if (WriteUInt(writer, size))
return false;
if (SerializeInt(writer, value, static_cast<int32>(size)))
return false;
return true;
}
bool WriteEbmlElement(IMkvWriter* writer, uint64 type, float value) {
if (!writer)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, type))
return false;
if (WriteUInt(writer, 4))
return false;
if (SerializeFloat(writer, value))
return false;
return true;
}
bool WriteEbmlElement(IMkvWriter* writer, uint64 type, const char* value) {
if (!writer || !value)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, type))
return false;
const int32 length = strlen(value);
if (WriteUInt(writer, length))
return false;
if (writer->Write(value, length))
return false;
return true;
}
bool WriteEbmlElement(IMkvWriter* writer,
uint64 type,
const uint8* value,
uint64 size) {
if (!writer || !value || size < 1)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, type))
return false;
if (WriteUInt(writer, size))
return false;
if (writer->Write(value, static_cast<uint32>(size)))
return false;
return true;
}
uint64 WriteSimpleBlock(IMkvWriter* writer,
const uint8* data,
uint64 length,
uint64 track_number,
int64 timecode,
uint64 is_key) {
if (!writer)
return false;
if (!data || length < 1)
return false;
// Here we only permit track number values to be no greater than
// 126, which the largest value we can store having a Matroska
// integer representation of only 1 byte.
if (track_number < 1 || track_number > 126)
return false;
// Technically the timestamp for a block can be less than the
// timestamp for the cluster itself (remember that block timestamp
// is a signed, 16-bit integer). However, as a simplification we
// only permit non-negative cluster-relative timestamps for blocks.
if (timecode < 0 || timecode > std::numeric_limits<int16>::max())
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
if (WriteID(writer, kMkvSimpleBlock))
return 0;
const int32 size = static_cast<int32>(length) + 4;
if (WriteUInt(writer, size))
return 0;
if (WriteUInt(writer, static_cast<uint64>(track_number)))
return 0;
if (SerializeInt(writer, timecode, 2))
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return 0;
uint64 flags = 0;
if (is_key)
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
flags |= 0x80;
if (SerializeInt(writer, flags, 1))
return 0;
if (writer->Write(data, static_cast<uint32>(length)))
return 0;
const uint64 element_size =
GetUIntSize(kMkvSimpleBlock) + GetCodedUIntSize(size) + 4 + length;
return element_size;
}
// We must write the metadata (key)frame as a BlockGroup element,
// because we need to specify a duration for the frame. The
// BlockGroup element comprises the frame itself and its duration,
// and is laid out as follows:
//
// BlockGroup tag
// BlockGroup size
// Block tag
// Block size
// (the frame is the block payload)
// Duration tag
// Duration size
// (duration payload)
//
uint64 WriteMetadataBlock(IMkvWriter* writer,
const uint8* data,
uint64 length,
uint64 track_number,
int64 timecode,
uint64 duration) {
// We don't backtrack when writing to the stream, so we must
// pre-compute the BlockGroup size, by summing the sizes of each
// sub-element (the block and the duration).
// We use a single byte for the track number of the block, which
// means the block header is exactly 4 bytes.
// TODO(matthewjheaney): use EbmlMasterElementSize and WriteEbmlMasterElement
const uint64 block_payload_size = 4 + length;
const int32 block_size = GetCodedUIntSize(block_payload_size);
const uint64 block_elem_size = 1 + block_size + block_payload_size;
const int32 duration_payload_size = GetUIntSize(duration);
const int32 duration_size = GetCodedUIntSize(duration_payload_size);
const uint64 duration_elem_size = 1 + duration_size + duration_payload_size;
const uint64 blockg_payload_size = block_elem_size + duration_elem_size;
const int32 blockg_size = GetCodedUIntSize(blockg_payload_size);
const uint64 blockg_elem_size = 1 + blockg_size + blockg_payload_size;
if (WriteID(writer, kMkvBlockGroup)) // 1-byte ID size
return 0;
if (WriteUInt(writer, blockg_payload_size))
return 0;
// Write Block element
if (WriteID(writer, kMkvBlock)) // 1-byte ID size
return 0;
if (WriteUInt(writer, block_payload_size))
return 0;
// Byte 1 of 4
if (WriteUInt(writer, track_number))
return 0;
// Bytes 2 & 3 of 4
if (SerializeInt(writer, timecode, 2))
return 0;
// Byte 4 of 4
const uint64 flags = 0;
if (SerializeInt(writer, flags, 1))
return 0;
// Now write the actual frame (of metadata)
if (writer->Write(data, static_cast<uint32>(length)))
return 0;
// Write Duration element
if (WriteID(writer, kMkvBlockDuration)) // 1-byte ID size
return 0;
if (WriteUInt(writer, duration_payload_size))
return 0;
if (SerializeInt(writer, duration, duration_payload_size))
return 0;
// Note that we don't write a reference time as part of the block
// group; no reference time(s) indicates that this block is a
// keyframe. (Unlike the case for a SimpleBlock element, the header
// bits of the Block sub-element of a BlockGroup element do not
// indicate keyframe status. The keyframe status is inferred from
// the absence of reference time sub-elements.)
return blockg_elem_size;
}
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
uint64 WriteVoidElement(IMkvWriter* writer, uint64 size) {
if (!writer)
return false;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
// Subtract one for the void ID and the coded size.
uint64 void_entry_size = size - 1 - GetCodedUIntSize(size-1);
uint64 void_size = EbmlMasterElementSize(kMkvVoid, void_entry_size) +
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
void_entry_size;
if (void_size != size)
return 0;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
const int64 payload_position = writer->Position();
if (payload_position < 0)
return 0;
if (WriteID(writer, kMkvVoid))
return 0;
if (WriteUInt(writer, void_entry_size))
return 0;
const uint8 value = 0;
for (int32 i = 0; i < static_cast<int32>(void_entry_size); ++i) {
if (writer->Write(&value, 1))
return 0;
}
const int64 stop_position = writer->Position();
if (stop_position < 0 ||
stop_position - payload_position != static_cast<int64>(void_size))
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
return 0;
return void_size;
}
void GetVersion(int32* major, int32* minor, int32* build, int32* revision) {
*major = 0;
*minor = 2;
*build = 1;
*revision = 0;
Add support for muxing to libwebm. Squashed commit of the following: 9f73b86 Updated code to Google C++ style guide. 8580901 Added support for linux. fd0b59c Fixed segment size issue. d51d5ef Added more Track and Video options. 0fc73fd Fixed issue where cue point was being written out on wrong track. fcfdd07 Updated sample_muxer to read in a webm and output a webm file. Added some options to sample_muxer. Fixed writing out unknown size. 285c558 Added support for muxer guideline "Audio that matches video key frame should be in the same cluster." Added support for block_number in cue points. Added support for setting max cluster size. f956dec Add support for setting the max duration for all clusters. 92ca53e Add support for Cues element. d6b4cba Added typedefs for unsigned long long, long long, and unsigned char. Reformated some code. 1b1f8b2 Added support for SeekHead element. Added WriteVoidElement function. 8faa187 Add support for CodecPrivate. Add support for updating SegmentInfo duration. Add support for updating Segment size. Added new sample that swicthes the tracks. 1dd3555 Refactored some code. Check to see if track is a video track if starting a new cluster on a key-frame. 1bc8374 Refacotrs code so Cluster is in charge of wirting out its own data. 836cd74 Added basic cluster and simple_block support for writing frames. cc48cc2 Add simple support for Audio tracks. 4efd614 Added support for using the encoded ID value for the elements. fb8b5a6 Initial commit of libwebm muxer. Removed switch_sample project. Fixed initialization order warnings on Linux. Reformatted code to follow Google C++ style guide. Fixed Makefile. Removed tester.cpp. Change-Id: I4857042f804edb834be52787a7d5ccdd578b7275
2011-06-21 20:42:55 +02:00
}
} // namespace mkvmuxer
mkvmuxer::uint64 mkvmuxer::MakeUID(unsigned int* seed) {
uint64 uid = 0;
for (int i = 0; i < 7; ++i) { // avoid problems with 8-byte values
uid <<= 8;
#ifdef _WIN32
(void)seed;
unsigned int random_value;
const errno_t e = rand_s(&random_value);
(void)e;
const int32 nn = random_value;
#else
const int32 nn = rand_r(seed);
#endif
const int32 n = 0xFF & (nn >> 4); // throw away low-order bits
uid |= n;
}
return uid;
}