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move header writing into its own function

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Originally committed as revision 10034 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-09 21:10:11 +00:00
parent 7a26da44b0
commit 7e506494b1
1 changed files with 21 additions and 16 deletions
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37
libavformat/nutenc.c
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@ -311,10 +311,28 @@ static int write_streamheader(NUTContext *nut, ByteIOContext *bc, AVCodecContext
return 0;
}
static void write_headers(NUTContext *nut, ByteIOContext *bc){
ByteIOContext dyn_bc;
int i;
put_be64(bc, MAIN_STARTCODE);
url_open_dyn_buf(&dyn_bc);
write_mainheader(nut, &dyn_bc);
put_packet(nut, bc, &dyn_bc, 1);
for (i=0; i < nut->avf->nb_streams; i++){
AVCodecContext *codec = nut->avf->streams[i]->codec;
put_be64(bc, STREAM_STARTCODE);
url_open_dyn_buf(&dyn_bc);
write_streamheader(nut, &dyn_bc, codec, i);
put_packet(nut, bc, &dyn_bc, 1);
}
}
static int write_header(AVFormatContext *s){
NUTContext *nut = s->priv_data;
ByteIOContext *bc = &s->pb, dyn_bc;
AVCodecContext *codec;
ByteIOContext *bc = &s->pb;
int i, j;
nut->avf= s;
@ -353,20 +371,7 @@ static int write_header(AVFormatContext *s){
put_buffer(bc, ID_STRING, strlen(ID_STRING));
put_byte(bc, 0);
/* main header */
put_be64(bc, MAIN_STARTCODE);
url_open_dyn_buf(&dyn_bc);
write_mainheader(nut, &dyn_bc);
put_packet(nut, bc, &dyn_bc, 1);
for (i=0; i < s->nb_streams; i++){
codec = s->streams[i]->codec;
put_be64(bc, STREAM_STARTCODE);
url_open_dyn_buf(&dyn_bc);
write_streamheader(nut, &dyn_bc, codec, i);
put_packet(nut, bc, &dyn_bc, 1);
}
write_headers(nut, bc);
put_flush_packet(bc);