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体验新版 GitCode,发现更多精彩内容 >>
提交
d06497f3
编写于
2月 15, 2011
作者:
M
Maksym Veremeyenko
提交者:
Ronald S. Bultje
2月 15, 2011
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix nsvdec.c compilation if DEBUG defined
Signed-off-by:
N
Ronald S. Bultje
<
rsbultje@gmail.com
>
上级
ead15f1d
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
48 addition
and
63 deletion
+48
-63
libavformat/nsvdec.c
libavformat/nsvdec.c
+48
-63
未找到文件。
libavformat/nsvdec.c
浏览文件 @
d06497f3
...
...
@@ -81,12 +81,6 @@
* - seek
*/
#ifdef DEBUG
#define PRINT(_v) printf _v
#else
#define PRINT(_v)
#endif
#if 0
struct NSVf_header {
uint32_t chunk_tag; /* 'NSVf' */
...
...
@@ -216,16 +210,12 @@ static const AVCodecTag nsv_codec_audio_tags[] = {
//static int nsv_load_index(AVFormatContext *s);
static
int
nsv_read_chunk
(
AVFormatContext
*
s
,
int
fill_header
);
#ifdef DEBUG
static
void
print_tag
(
const
char
*
str
,
unsigned
int
tag
,
int
size
)
{
printf
(
"%s: tag=%c%c%c%c
\n
"
,
str
,
tag
&
0xff
,
(
tag
>>
8
)
&
0xff
,
(
tag
>>
16
)
&
0xff
,
#define print_tag(str, tag, size) \
av_dlog(NULL, "%s: tag=%c%c%c%c\n", \
str, tag & 0xff, \
(tag >> 8) & 0xff, \
(tag >> 16) & 0xff, \
(tag >> 24) & 0xff);
}
#endif
/* try to find something we recognize, and set the state accordingly */
static
int
nsv_resync
(
AVFormatContext
*
s
)
...
...
@@ -235,43 +225,41 @@ static int nsv_resync(AVFormatContext *s)
uint32_t
v
=
0
;
int
i
;
PRINT
((
"%s(), offset = %"
PRId64
", state = %d
\n
"
,
__FUNCTION__
,
url_ftell
(
pb
),
nsv
->
state
)
);
av_dlog
(
s
,
"%s(), offset = %"
PRId64
", state = %d
\n
"
,
__FUNCTION__
,
url_ftell
(
pb
),
nsv
->
state
);
//nsv->state = NSV_UNSYNC;
for
(
i
=
0
;
i
<
NSV_MAX_RESYNC
;
i
++
)
{
if
(
url_feof
(
pb
))
{
PRINT
((
"NSV EOF
\n
"
)
);
av_dlog
(
s
,
"NSV EOF
\n
"
);
nsv
->
state
=
NSV_UNSYNC
;
return
-
1
;
}
v
<<=
8
;
v
|=
get_byte
(
pb
);
/*
if
(
i
<
8
)
{
PRINT(("NSV resync: [%d] = %02x\n", i, v & 0x0FF)
);
av_dlog
(
s
,
"NSV resync: [%d] = %02x
\n
"
,
i
,
v
&
0x0FF
);
}
*/
if
((
v
&
0x0000ffff
)
==
0xefbe
)
{
/* BEEF */
PRINT
((
"NSV resynced on BEEF after %d bytes
\n
"
,
i
+
1
)
);
av_dlog
(
s
,
"NSV resynced on BEEF after %d bytes
\n
"
,
i
+
1
);
nsv
->
state
=
NSV_FOUND_BEEF
;
return
0
;
}
/* we read as big endian, thus the MK*BE* */
if
(
v
==
TB_NSVF
)
{
/* NSVf */
PRINT
((
"NSV resynced on NSVf after %d bytes
\n
"
,
i
+
1
)
);
av_dlog
(
s
,
"NSV resynced on NSVf after %d bytes
\n
"
,
i
+
1
);
nsv
->
state
=
NSV_FOUND_NSVF
;
return
0
;
}
if
(
v
==
MKBETAG
(
'N'
,
'S'
,
'V'
,
's'
))
{
/* NSVs */
PRINT
((
"NSV resynced on NSVs after %d bytes
\n
"
,
i
+
1
)
);
av_dlog
(
s
,
"NSV resynced on NSVs after %d bytes
\n
"
,
i
+
1
);
nsv
->
state
=
NSV_FOUND_NSVS
;
return
0
;
}
}
PRINT
((
"NSV sync lost
\n
"
)
);
av_dlog
(
s
,
"NSV sync lost
\n
"
);
return
-
1
;
}
...
...
@@ -285,7 +273,7 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
int
table_entries
;
int
table_entries_used
;
PRINT
((
"%s()
\n
"
,
__FUNCTION__
)
);
av_dlog
(
s
,
"%s()
\n
"
,
__FUNCTION__
);
nsv
->
state
=
NSV_UNSYNC
;
/* in case we fail */
...
...
@@ -296,22 +284,22 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
//s->file_size = (uint32_t)get_le32(pb);
file_size
=
(
uint32_t
)
get_le32
(
pb
);
PRINT
((
"NSV NSVf chunk_size %u
\n
"
,
size
)
);
PRINT
((
"NSV NSVf file_size %u
\n
"
,
file_size
)
);
av_dlog
(
s
,
"NSV NSVf chunk_size %u
\n
"
,
size
);
av_dlog
(
s
,
"NSV NSVf file_size %u
\n
"
,
file_size
);
nsv
->
duration
=
duration
=
get_le32
(
pb
);
/* in ms */
PRINT
((
"NSV NSVf duration %"
PRId64
" ms
\n
"
,
duration
)
);
av_dlog
(
s
,
"NSV NSVf duration %"
PRId64
" ms
\n
"
,
duration
);
// XXX: store it in AVStreams
strings_size
=
get_le32
(
pb
);
table_entries
=
get_le32
(
pb
);
table_entries_used
=
get_le32
(
pb
);
PRINT
((
"NSV NSVf info-strings size: %d, table entries: %d, bis %d
\n
"
,
strings_size
,
table_entries
,
table_entries_used
)
)
;
av_dlog
(
s
,
"NSV NSVf info-strings size: %d, table entries: %d, bis %d
\n
"
,
strings_size
,
table_entries
,
table_entries_used
);
if
(
url_feof
(
pb
))
return
-
1
;
PRINT
((
"NSV got header; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
)
));
av_dlog
(
s
,
"NSV got header; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
));
if
(
strings_size
>
0
)
{
char
*
strings
;
/* last byte will be '\0' to play safe with str*() */
...
...
@@ -338,7 +326,7 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
if
(
!
p
||
p
>=
endp
)
break
;
*
p
++
=
'\0'
;
PRINT
((
"NSV NSVf INFO: %s='%s'
\n
"
,
token
,
value
)
);
av_dlog
(
s
,
"NSV NSVf INFO: %s='%s'
\n
"
,
token
,
value
);
av_metadata_set2
(
&
s
->
metadata
,
token
,
value
,
0
);
}
av_free
(
strings
);
...
...
@@ -346,7 +334,7 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
if
(
url_feof
(
pb
))
return
-
1
;
PRINT
((
"NSV got infos; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
)
));
av_dlog
(
s
,
"NSV got infos; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
));
if
(
table_entries_used
>
0
)
{
int
i
;
...
...
@@ -367,22 +355,22 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
}
}
PRINT
((
"NSV got index; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
)
));
av_dlog
(
s
,
"NSV got index; filepos %"
PRId64
"
\n
"
,
url_ftell
(
pb
));
#ifdef DEBUG_DUMP_INDEX
#define V(v) ((v<0x20 || v > 127)?'.':v)
/* dump index */
PRINT
((
"NSV %d INDEX ENTRIES:
\n
"
,
table_entries
)
);
PRINT
((
"NSV [dataoffset][fileoffset]
\n
"
,
table_entries
)
);
av_dlog
(
s
,
"NSV %d INDEX ENTRIES:
\n
"
,
table_entries
);
av_dlog
(
s
,
"NSV [dataoffset][fileoffset]
\n
"
,
table_entries
);
for
(
i
=
0
;
i
<
table_entries
;
i
++
)
{
unsigned
char
b
[
8
];
url_fseek
(
pb
,
size
+
nsv
->
nsvs_file_offset
[
i
],
SEEK_SET
);
get_buffer
(
pb
,
b
,
8
);
PRINT
((
"NSV [0x%08lx][0x%08lx]: %02x %02x %02x %02x %02x %02x %02x %02x"
av_dlog
(
s
,
"NSV [0x%08lx][0x%08lx]: %02x %02x %02x %02x %02x %02x %02x %02x"
"%c%c%c%c%c%c%c%c
\n
"
,
nsv
->
nsvs_file_offset
[
i
],
size
+
nsv
->
nsvs_file_offset
[
i
],
b
[
0
],
b
[
1
],
b
[
2
],
b
[
3
],
b
[
4
],
b
[
5
],
b
[
6
],
b
[
7
],
V
(
b
[
0
]),
V
(
b
[
1
]),
V
(
b
[
2
]),
V
(
b
[
3
]),
V
(
b
[
4
]),
V
(
b
[
5
]),
V
(
b
[
6
]),
V
(
b
[
7
])
)
)
;
V
(
b
[
0
]),
V
(
b
[
1
]),
V
(
b
[
2
]),
V
(
b
[
3
]),
V
(
b
[
4
]),
V
(
b
[
5
]),
V
(
b
[
6
]),
V
(
b
[
7
])
);
}
//url_fseek(pb, size, SEEK_SET); /* go back to end of header */
#undef V
...
...
@@ -406,7 +394,7 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
int
i
;
AVStream
*
st
;
NSVStream
*
nst
;
PRINT
((
"%s()
\n
"
,
__FUNCTION__
)
);
av_dlog
(
s
,
"%s()
\n
"
,
__FUNCTION__
);
vtag
=
get_le32
(
pb
);
atag
=
get_le32
(
pb
);
...
...
@@ -414,7 +402,7 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
vheight
=
get_le16
(
pb
);
i
=
get_byte
(
pb
);
PRINT
((
"NSV NSVs framerate code %2x
\n
"
,
i
)
);
av_dlog
(
s
,
"NSV NSVs framerate code %2x
\n
"
,
i
);
if
(
i
&
0x80
)
{
/* odd way of giving native framerates from docs */
int
t
=
(
i
&
0x7F
)
>>
2
;
if
(
t
<
16
)
framerate
=
(
AVRational
){
1
,
t
+
1
};
...
...
@@ -434,11 +422,10 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
nsv
->
avsync
=
get_le16
(
pb
);
nsv
->
framerate
=
framerate
;
#ifdef DEBUG
print_tag
(
"NSV NSVs vtag"
,
vtag
,
0
);
print_tag
(
"NSV NSVs atag"
,
atag
,
0
);
PRINT
((
"NSV NSVs vsize %dx%d
\n
"
,
vwidth
,
vheight
));
#endif
av_dlog
(
s
,
"NSV NSVs vsize %dx%d
\n
"
,
vwidth
,
vheight
);
/* XXX change to ap != NULL ? */
if
(
s
->
nb_streams
==
0
)
{
/* streams not yet published, let's do that */
...
...
@@ -502,7 +489,7 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
#ifdef CHECK_SUBSEQUENT_NSVS
}
else
{
if
(
nsv
->
vtag
!=
vtag
||
nsv
->
atag
!=
atag
||
nsv
->
vwidth
!=
vwidth
||
nsv
->
vheight
!=
vwidth
)
{
PRINT
((
"NSV NSVs header values differ from the first one!!!
\n
"
)
);
av_dlog
(
s
,
"NSV NSVs header values differ from the first one!!!
\n
"
);
//return -1;
}
#endif
/* CHECK_SUBSEQUENT_NSVS */
...
...
@@ -521,8 +508,8 @@ static int nsv_read_header(AVFormatContext *s, AVFormatParameters *ap)
NSVContext
*
nsv
=
s
->
priv_data
;
int
i
,
err
;
PRINT
((
"%s()
\n
"
,
__FUNCTION__
)
);
PRINT
((
"filename '%s'
\n
"
,
s
->
filename
)
);
av_dlog
(
s
,
"%s()
\n
"
,
__FUNCTION__
);
av_dlog
(
s
,
"filename '%s'
\n
"
,
s
->
filename
);
nsv
->
state
=
NSV_UNSYNC
;
nsv
->
ahead
[
0
].
data
=
nsv
->
ahead
[
1
].
data
=
NULL
;
...
...
@@ -543,7 +530,7 @@ static int nsv_read_header(AVFormatContext *s, AVFormatParameters *ap)
/* now read the first chunk, so we can attempt to decode more info */
err
=
nsv_read_chunk
(
s
,
1
);
PRINT
((
"parsed header
\n
"
)
);
av_dlog
(
s
,
"parsed header
\n
"
);
return
0
;
}
...
...
@@ -561,7 +548,7 @@ static int nsv_read_chunk(AVFormatContext *s, int fill_header)
uint16_t
auxsize
;
uint32_t
auxtag
;
PRINT
((
"%s(%d)
\n
"
,
__FUNCTION__
,
fill_header
)
);
av_dlog
(
s
,
"%s(%d)
\n
"
,
__FUNCTION__
,
fill_header
);
if
(
nsv
->
ahead
[
0
].
data
||
nsv
->
ahead
[
1
].
data
)
return
0
;
//-1; /* hey! eat what you've in your plate first! */
...
...
@@ -586,17 +573,17 @@ null_chunk_retry:
asize
=
get_le16
(
pb
);
vsize
=
(
vsize
<<
4
)
|
(
auxcount
>>
4
);
auxcount
&=
0x0f
;
PRINT
((
"NSV CHUNK %d aux, %u bytes video, %d bytes audio
\n
"
,
auxcount
,
vsize
,
asize
)
);
av_dlog
(
s
,
"NSV CHUNK %d aux, %u bytes video, %d bytes audio
\n
"
,
auxcount
,
vsize
,
asize
);
/* skip aux stuff */
for
(
i
=
0
;
i
<
auxcount
;
i
++
)
{
auxsize
=
get_le16
(
pb
);
auxtag
=
get_le32
(
pb
);
PRINT
((
"NSV aux data: '%c%c%c%c', %d bytes
\n
"
,
av_dlog
(
s
,
"NSV aux data: '%c%c%c%c', %d bytes
\n
"
,
(
auxtag
&
0x0ff
),
((
auxtag
>>
8
)
&
0x0ff
),
((
auxtag
>>
16
)
&
0x0ff
),
((
auxtag
>>
24
)
&
0x0ff
),
auxsize
)
)
;
auxsize
);
url_fskip
(
pb
,
auxsize
);
vsize
-=
auxsize
+
sizeof
(
uint16_t
)
+
sizeof
(
uint32_t
);
/* that's becoming braindead */
}
...
...
@@ -621,10 +608,8 @@ null_chunk_retry:
pkt
->
stream_index
=
st
[
NSV_ST_VIDEO
]
->
index
;
//NSV_ST_VIDEO;
pkt
->
dts
=
nst
->
frame_offset
;
pkt
->
flags
|=
nsv
->
state
==
NSV_HAS_READ_NSVS
?
AV_PKT_FLAG_KEY
:
0
;
/* keyframe only likely on a sync frame */
/*
for (i = 0; i < MIN(8, vsize); i++)
PRINT(("NSV video: [%d] = %02x\n", i, pkt->data[i]));
*/
for
(
i
=
0
;
i
<
FFMIN
(
8
,
vsize
);
i
++
)
av_dlog
(
s
,
"NSV video: [%d] = %02x
\n
"
,
i
,
pkt
->
data
[
i
]);
}
if
(
st
[
NSV_ST_VIDEO
])
((
NSVStream
*
)
st
[
NSV_ST_VIDEO
]
->
priv_data
)
->
frame_offset
++
;
...
...
@@ -642,11 +627,11 @@ null_chunk_retry:
channels
=
get_byte
(
pb
);
samplerate
=
get_le16
(
pb
);
asize
-=
4
;
PRINT
((
"NSV RAWAUDIO: bps %d, nchan %d, srate %d
\n
"
,
bps
,
channels
,
samplerate
)
);
av_dlog
(
s
,
"NSV RAWAUDIO: bps %d, nchan %d, srate %d
\n
"
,
bps
,
channels
,
samplerate
);
if
(
fill_header
)
{
st
[
NSV_ST_AUDIO
]
->
need_parsing
=
AVSTREAM_PARSE_NONE
;
/* we know everything */
if
(
bps
!=
16
)
{
PRINT
((
"NSV AUDIO bit/sample != 16 (%d)!!!
\n
"
,
bps
)
);
av_dlog
(
s
,
"NSV AUDIO bit/sample != 16 (%d)!!!
\n
"
,
bps
);
}
bps
/=
channels
;
// ???
if
(
bps
==
8
)
...
...
@@ -655,7 +640,7 @@ null_chunk_retry:
channels
=
1
;
st
[
NSV_ST_AUDIO
]
->
codec
->
channels
=
channels
;
st
[
NSV_ST_AUDIO
]
->
codec
->
sample_rate
=
samplerate
;
PRINT
((
"NSV RAWAUDIO: bps %d, nchan %d, srate %d
\n
"
,
bps
,
channels
,
samplerate
)
);
av_dlog
(
s
,
"NSV RAWAUDIO: bps %d, nchan %d, srate %d
\n
"
,
bps
,
channels
,
samplerate
);
}
}
av_get_packet
(
pb
,
pkt
,
asize
);
...
...
@@ -666,7 +651,7 @@ null_chunk_retry:
pkt
->
dts
=
(((
NSVStream
*
)
st
[
NSV_ST_VIDEO
]
->
priv_data
)
->
frame_offset
-
1
);
pkt
->
dts
*=
(
int64_t
)
1000
*
nsv
->
framerate
.
den
;
pkt
->
dts
+=
(
int64_t
)
nsv
->
avsync
*
nsv
->
framerate
.
num
;
PRINT
((
"NSV AUDIO: sync:%d, dts:%"
PRId64
,
nsv
->
avsync
,
pkt
->
dts
)
);
av_dlog
(
s
,
"NSV AUDIO: sync:%d, dts:%"
PRId64
,
nsv
->
avsync
,
pkt
->
dts
);
}
nst
->
frame_offset
++
;
}
...
...
@@ -681,7 +666,7 @@ static int nsv_read_packet(AVFormatContext *s, AVPacket *pkt)
NSVContext
*
nsv
=
s
->
priv_data
;
int
i
,
err
=
0
;
PRINT
((
"%s()
\n
"
,
__FUNCTION__
)
);
av_dlog
(
s
,
"%s()
\n
"
,
__FUNCTION__
);
/* in case we don't already have something to eat ... */
if
(
nsv
->
ahead
[
0
].
data
==
NULL
&&
nsv
->
ahead
[
1
].
data
==
NULL
)
...
...
@@ -692,7 +677,7 @@ static int nsv_read_packet(AVFormatContext *s, AVPacket *pkt)
/* now pick one of the plates */
for
(
i
=
0
;
i
<
2
;
i
++
)
{
if
(
nsv
->
ahead
[
i
].
data
)
{
PRINT
((
"%s: using cached packet[%d]
\n
"
,
__FUNCTION__
,
i
)
);
av_dlog
(
s
,
"%s: using cached packet[%d]
\n
"
,
__FUNCTION__
,
i
);
/* avoid the cost of new_packet + memcpy(->data) */
memcpy
(
pkt
,
&
nsv
->
ahead
[
i
],
sizeof
(
AVPacket
));
nsv
->
ahead
[
i
].
data
=
NULL
;
/* we ate that one */
...
...
@@ -752,7 +737,7 @@ static int nsv_read_close(AVFormatContext *s)
static
int
nsv_probe
(
AVProbeData
*
p
)
{
int
i
;
// PRINT(("nsv_probe(), buf_size %d\n", p->buf_size)
);
av_dlog
(
s
,
"nsv_probe(), buf_size %d
\n
"
,
p
->
buf_size
);
/* check file header */
/* streamed files might not have any header */
if
(
p
->
buf
[
0
]
==
'N'
&&
p
->
buf
[
1
]
==
'S'
&&
...
...
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