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simplify

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Originally committed as revision 7605 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-01-21 12:55:31 +00:00
parent acf0b6a657
commit d65b823031
1 changed files with 8 additions and 20 deletions
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28
libavformat/asf-enc.c
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@ -210,29 +210,21 @@ static void put_guid(ByteIOContext *s, const GUID *g)
put_byte(s, g->v4[i]);
}
static void put_str16_nolen(ByteIOContext *s, const char *tag);
static void put_str16(ByteIOContext *s, const char *tag)
{
int c;
put_le16(s,strlen(tag) + 1);
for(;;) {
c = (uint8_t)*tag++;
put_le16(s, c);
if (c == '\0')
break;
}
put_str16_nolen(s, tag);
}
static void put_str16_nolen(ByteIOContext *s, const char *tag)
{
int c;
for(;;) {
do{
c = (uint8_t)*tag++;
put_le16(s, c);
if (c == '\0')
break;
}
}while(c);
}
static int64_t put_header(ByteIOContext *pb, const GUID *g)
@ -458,15 +450,13 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data
/* id */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_le16(pb, 2);
if(!enc->codec_tag)
return -1;
put_le16(pb, enc->codec_tag);
} else {
put_le16(pb, 4);
if(!enc->codec_tag)
return -1;
put_le32(pb, enc->codec_tag);
}
if(!enc->codec_tag)
return -1;
}
end_header(pb, hpos);
@ -751,8 +741,7 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
} else {
duration = pts * 10000;
}
if (duration > asf->duration)
asf->duration = duration;
asf->duration= FFMAX(asf->duration, duration);
packet_st = asf->nb_packets;
put_frame(s, stream, pkt->pts, pkt->data, pkt->size, pkt->flags);
@ -769,8 +758,7 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
// store
asf->index_ptr[i].packet_number = (uint32_t)packet_st;
asf->index_ptr[i].packet_count = (uint16_t)(asf->nb_packets-packet_st);
if (asf->maximum_packet < (uint16_t)(asf->nb_packets-packet_st))
asf->maximum_packet = (uint16_t)(asf->nb_packets-packet_st);
asf->maximum_packet = FFMAX(asf->maximum_packet, (uint16_t)(asf->nb_packets-packet_st));
}
asf->nb_index_count = start_sec;
asf->last_indexed_pts = duration;