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Linshizhi
ffmpeg.wasm-core
Commits
7c6d2406
Commit
7c6d2406
authored
May 14, 2012
by
Mans Rullgard
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mtv: do not byteswap raw video in demuxer
Signed-off-by:
Mans Rullgard
<
mans@mansr.com
>
parent
31f2c023
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2 changed files
with
41 additions
and
55 deletions
+41
-55
mtv.c
libavformat/mtv.c
+1
-15
mtv
tests/ref/fate/mtv
+40
-40
No files found.
libavformat/mtv.c
View file @
7c6d2406
...
...
@@ -130,7 +130,7 @@ static int mtv_read_header(AVFormatContext *s)
avpriv_set_pts_info
(
st
,
64
,
1
,
mtv
->
video_fps
);
st
->
codec
->
codec_type
=
AVMEDIA_TYPE_VIDEO
;
st
->
codec
->
codec_id
=
CODEC_ID_RAWVIDEO
;
st
->
codec
->
pix_fmt
=
PIX_FMT_RGB565
;
st
->
codec
->
pix_fmt
=
PIX_FMT_RGB565
BE
;
st
->
codec
->
width
=
mtv
->
img_width
;
st
->
codec
->
height
=
mtv
->
img_height
;
st
->
codec
->
sample_rate
=
mtv
->
video_fps
;
...
...
@@ -163,9 +163,6 @@ static int mtv_read_packet(AVFormatContext *s, AVPacket *pkt)
MTVDemuxContext
*
mtv
=
s
->
priv_data
;
AVIOContext
*
pb
=
s
->
pb
;
int
ret
;
#if !HAVE_BIGENDIAN
int
i
;
#endif
if
((
avio_tell
(
pb
)
-
s
->
data_offset
+
mtv
->
img_segment_size
)
%
mtv
->
full_segment_size
)
{
...
...
@@ -184,17 +181,6 @@ static int mtv_read_packet(AVFormatContext *s, AVPacket *pkt)
if
(
ret
<
0
)
return
ret
;
#if !HAVE_BIGENDIAN
/* pkt->data is GGGRRRR BBBBBGGG
* and we need RRRRRGGG GGGBBBBB
* for PIX_FMT_RGB565 so here we
* just swap bytes as they come
*/
for
(
i
=
0
;
i
<
mtv
->
img_segment_size
/
2
;
i
++
)
*
((
uint16_t
*
)
pkt
->
data
+
i
)
=
av_bswap16
(
*
((
uint16_t
*
)
pkt
->
data
+
i
));
#endif
pkt
->
stream_index
=
0
;
}
...
...
tests/ref/fate/mtv
View file @
7c6d2406
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