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Code Issues Releases Wiki Activity

set audio/video flag to 0 in flv header.

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This commit is contained in:
winlin 2014-04-17 16:08:56 +08:00
parent 73459547e1
commit 271b969d0b
2 changed files with 3 additions and 20 deletions
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21
trunk/src/app/srs_app_dvr.cpp
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@ -143,8 +143,6 @@ off_t SrsFileStream::lseek(off_t offset)
SrsFlvEncoder::SrsFlvEncoder()
{
_fs = NULL;
has_audio = false;
has_video = false;
tag_stream = new SrsStream();
}
@ -158,8 +156,6 @@ int SrsFlvEncoder::initialize(SrsFileStream* fs)
int ret = ERROR_SUCCESS;
_fs = fs;
has_audio = true;
has_video = true;
return ret;
}
@ -179,16 +175,9 @@ int SrsFlvEncoder::write_header()
(char)0x00, (char)0x00, (char)0x00, (char)0x00// PreviousTagSize0 UI32 Always 0
};
// generate audio/video flag.
const static int av_index = 4;
flv_header[av_index] = 0x00;
if (has_audio) {
flv_header[av_index] += 4;
}
if (has_video) {
flv_header[av_index] += 1;
}
// flv specification should set the audio and video flag,
// actually in practise, application generally ignore this flag,
// so we generally set the audio/video to 0.
// write data.
if ((ret = _fs->write(flv_header, sizeof(flv_header), NULL)) != ERROR_SUCCESS) {
@ -229,8 +218,6 @@ int SrsFlvEncoder::write_audio(int32_t timestamp, char* data, int size)
{
int ret = ERROR_SUCCESS;
has_audio = true;
static char tag_header[] = {
(char)8, // TagType UB [5], 8 = audio
(char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
@ -260,8 +247,6 @@ int SrsFlvEncoder::write_video(int32_t timestamp, char* data, int size)
{
int ret = ERROR_SUCCESS;
has_video = true;
static char tag_header[] = {
(char)9, // TagType UB [5], 9 = video
(char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.