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info packet

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Originally committed as revision 10050 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-10 11:52:28 +00:00
parent 1af2ca7859
commit ead1939f69
1 changed files with 38 additions and 1 deletions
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39
libavformat/nutenc.c
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@ -313,6 +313,39 @@ static int write_streamheader(NUTContext *nut, ByteIOContext *bc, AVCodecContext
return 0;
}
static int add_info(ByteIOContext *bc, char *type, char *value){
put_str(bc, type);
put_s(bc, -1);
put_str(bc, value);
return 1;
}
static void write_globalinfo(NUTContext *nut, ByteIOContext *bc){
AVFormatContext *s= nut->avf;
ByteIOContext dyn_bc;
uint8_t *dyn_buf=NULL;
int count=0, dyn_size;
url_open_dyn_buf(&dyn_bc);
if(s->title [0]) count+= add_info(&dyn_bc, "Title" , s->title);
if(s->author [0]) count+= add_info(&dyn_bc, "Author" , s->author);
if(s->copyright[0]) count+= add_info(&dyn_bc, "Copyright", s->copyright);
if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
count+= add_info(&dyn_bc, "Encoder" , LIBAVFORMAT_IDENT);
put_v(bc, 0); //stream_if_plus1
put_v(bc, 0); //chapter_id
put_v(bc, 0); //timestamp_start
put_v(bc, 0); //length
put_v(bc, count);
dyn_size= url_close_dyn_buf(&dyn_bc, &dyn_buf);
put_buffer(bc, dyn_buf, dyn_size);
av_free(dyn_buf);
}
static void write_headers(NUTContext *nut, ByteIOContext *bc){
ByteIOContext dyn_bc;
int i;
@ -328,6 +361,10 @@ static void write_headers(NUTContext *nut, ByteIOContext *bc){
write_streamheader(nut, &dyn_bc, codec, i);
put_packet(nut, bc, &dyn_bc, 1, STREAM_STARTCODE);
}
url_open_dyn_buf(&dyn_bc);
write_globalinfo(nut, &dyn_bc);
put_packet(nut, bc, &dyn_bc, 1, INFO_STARTCODE);
}
static int write_header(AVFormatContext *s){
@ -379,7 +416,7 @@ static int write_header(AVFormatContext *s){
put_flush_packet(bc);
//FIXME info header, header repeation, index
//FIXME header repeation, index
return 0;
}