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Adds read probe to y4m, and changes the extension to .y4m patch by (Roine Gustafsson <roine users sourceforge net)

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Originally committed as revision 4164 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roine Gustafsson 2005-04-26 09:06:39 +00:00 committed by Michael Niedermayer
parent 93b2b333b9
commit 8cf71eadd2
3 changed files with 17 additions and 6 deletions
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17
libavformat/yuv4mpeg.c
View File

@ -170,7 +170,7 @@ AVOutputFormat yuv4mpegpipe_oformat = {
"yuv4mpegpipe",
"YUV4MPEG pipe format",
"",
"yuv4mpeg",
"y4m",
sizeof(int),
CODEC_ID_NONE,
CODEC_ID_RAWVIDEO,
@ -375,15 +375,26 @@ static int yuv4_read_close(AVFormatContext *s)
return 0;
}
static int yuv4_probe(AVProbeData *pd)
{
/* check file header */
if (pd->buf_size <= sizeof(Y4M_MAGIC))
return 0;
if (strncmp(pd->buf, Y4M_MAGIC, sizeof(Y4M_MAGIC)-1)==0)
return AVPROBE_SCORE_MAX;
else
return 0;
}
AVInputFormat yuv4mpegpipe_iformat = {
"yuv4mpegpipe",
"YUV4MPEG pipe format",
0,
NULL,
yuv4_probe,
yuv4_read_header,
yuv4_read_packet,
yuv4_read_close,
.extensions = "yuv4mpeg"
.extensions = "y4m"
};
int yuv4mpeg_init(void)

4
tests/libav.regression.ref
View File

@ -39,8 +39,8 @@ f34e560f8f0f2c603cf0cb3e7eeb031b *./data/b-libav.nut
./data/b-libav.ppm CRC=b2bb8e92
88a98269295fbfce7816558ad84e1259 *./data/b-libav.gif
2906382 ./data/b-libav.gif
b977a4fedff90a79baf70c8e02986820 *./data/b-libav.yuv4mpeg
3801810 ./data/b-libav.yuv4mpeg
b977a4fedff90a79baf70c8e02986820 *./data/b-libav.y4m
3801810 ./data/b-libav.y4m
./data/b-libav%d.pgm CRC=84c09106
./data/b-libav%d.ppm CRC=25c06ecf
./data/b-libav%d.jpg CRC=62328baa

2
tests/regression.sh
View File

@ -608,7 +608,7 @@ do_ffmpeg $file -t 1 -y -qscale 10 -f pgmyuv -i $raw_src $file
#do_ffmpeg_crc $file -i $file
# yuv4mpeg
file=${outfile}libav.yuv4mpeg
file=${outfile}libav.y4m
do_ffmpeg $file -t 1 -y -qscale 10 -f pgmyuv -i $raw_src $file
#do_ffmpeg_crc $file -i $file