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cosmetics: msnwc_tcp: Reformat

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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Luca Barbato 2015-11-01 04:07:44 +01:00
parent 4dfbc7a755
commit f8d10511fe
1 changed files with 24 additions and 23 deletions
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47
libavformat/msnwc_tcp.c
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@ -40,25 +40,26 @@ static int msnwc_tcp_probe(AVProbeData *p)
{ {
int i; int i;
for(i = 0 ; i + HEADER_SIZE <= p->buf_size ; i++) { for (i = 0; i + HEADER_SIZE <= p->buf_size; i++) {
uint16_t width, height; uint16_t width, height;
uint32_t fourcc; uint32_t fourcc;
const uint8_t *bytestream = p->buf+i; const uint8_t *bytestream = p->buf + i;
if(bytestream_get_le16(&bytestream) != HEADER_SIZE) if (bytestream_get_le16(&bytestream) != HEADER_SIZE)
continue; continue;
width = bytestream_get_le16(&bytestream); width = bytestream_get_le16(&bytestream);
height = bytestream_get_le16(&bytestream); height = bytestream_get_le16(&bytestream);
if(!(width==320 && height==240) && !(width==160 && height==120)) if (!(width == 320 &&
height == 240) && !(width == 160 && height == 120))
continue; continue;
bytestream += 2; // keyframe bytestream += 2; // keyframe
bytestream += 4; // size bytestream += 4; // size
fourcc = bytestream_get_le32(&bytestream); fourcc = bytestream_get_le32(&bytestream);
if(fourcc != MKTAG('M', 'L', '2', '0')) if (fourcc != MKTAG('M', 'L', '2', '0'))
continue; continue;
if(i) { if (i) {
if(i < 14) /* starts with SwitchBoard connection info */ if (i < 14) /* starts with SwitchBoard connection info */
return AVPROBE_SCORE_MAX / 2; return AVPROBE_SCORE_MAX / 2;
else /* starts in the middle of stream */ else /* starts in the middle of stream */
return AVPROBE_SCORE_MAX / 3; return AVPROBE_SCORE_MAX / 3;
@ -77,21 +78,21 @@ static int msnwc_tcp_read_header(AVFormatContext *ctx)
AVStream *st; AVStream *st;
st = avformat_new_stream(ctx, NULL); st = avformat_new_stream(ctx, NULL);
if(!st) if (!st)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
codec = st->codec; codec = st->codec;
codec->codec_type = AVMEDIA_TYPE_VIDEO; codec->codec_type = AVMEDIA_TYPE_VIDEO;
codec->codec_id = AV_CODEC_ID_MIMIC; codec->codec_id = AV_CODEC_ID_MIMIC;
codec->codec_tag = MKTAG('M', 'L', '2', '0'); codec->codec_tag = MKTAG('M', 'L', '2', '0');
avpriv_set_pts_info(st, 32, 1, 1000); avpriv_set_pts_info(st, 32, 1, 1000);
/* Some files start with "connected\r\n\r\n". /* Some files start with "connected\r\n\r\n".
* So skip until we find the first byte of struct size */ * So skip until we find the first byte of struct size */
while(avio_r8(pb) != HEADER_SIZE && !pb->eof_reached); while (avio_r8(pb) != HEADER_SIZE && !pb->eof_reached) ;
if(pb->eof_reached) { if (pb->eof_reached) {
av_log(ctx, AV_LOG_ERROR, "Could not find valid start."); av_log(ctx, AV_LOG_ERROR, "Could not find valid start.");
return -1; return -1;
} }
@ -110,7 +111,7 @@ static int msnwc_tcp_read_packet(AVFormatContext *ctx, AVPacket *pkt)
avio_skip(pb, 2); avio_skip(pb, 2);
avio_skip(pb, 2); avio_skip(pb, 2);
keyframe = avio_rl16(pb); keyframe = avio_rl16(pb);
size = avio_rl32(pb); size = avio_rl32(pb);
avio_skip(pb, 4); avio_skip(pb, 4);
avio_skip(pb, 4); avio_skip(pb, 4);
timestamp = avio_rl32(pb); timestamp = avio_rl32(pb);
@ -123,22 +124,22 @@ static int msnwc_tcp_read_packet(AVFormatContext *ctx, AVPacket *pkt)
avio_skip(pb, 1); /* Read ahead one byte of struct size like read_header */ avio_skip(pb, 1); /* Read ahead one byte of struct size like read_header */
pkt->pts = timestamp; pkt->pts = timestamp;
pkt->dts = timestamp; pkt->dts = timestamp;
pkt->stream_index = 0; pkt->stream_index = 0;
/* Some aMsn generated videos (or was it Mercury Messenger?) don't set /* Some aMsn generated videos (or was it Mercury Messenger?) don't set
* this bit and rely on the codec to get keyframe information */ * this bit and rely on the codec to get keyframe information */
if(keyframe&1) if (keyframe & 1)
pkt->flags |= AV_PKT_FLAG_KEY; pkt->flags |= AV_PKT_FLAG_KEY;
return HEADER_SIZE + size; return HEADER_SIZE + size;
} }
AVInputFormat ff_msnwc_tcp_demuxer = { AVInputFormat ff_msnwc_tcp_demuxer = {
.name = "msnwctcp", .name = "msnwctcp",
.long_name = NULL_IF_CONFIG_SMALL("MSN TCP Webcam stream"), .long_name = NULL_IF_CONFIG_SMALL("MSN TCP Webcam stream"),
.read_probe = msnwc_tcp_probe, .read_probe = msnwc_tcp_probe,
.read_header = msnwc_tcp_read_header, .read_header = msnwc_tcp_read_header,
.read_packet = msnwc_tcp_read_packet, .read_packet = msnwc_tcp_read_packet,
}; };