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submodule
ffmpeg
Commits
55910e18
Commit
55910e18
authored
Feb 02, 2013
by
Nicolas George
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Plain Diff
lavd/alsa: simplify reordering functions definition.
parent
6726fb65
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1 changed file
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27 additions
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46 deletions
+27
-46
alsa-audio-common.c
libavdevice/alsa-audio-common.c
+27
-46
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libavdevice/alsa-audio-common.c
View file @
55910e18
...
...
@@ -62,48 +62,45 @@ static av_cold snd_pcm_format_t codec_id_to_pcm_format(int codec_id)
}
}
#define REORDER_OUT_50(NAME, TYPE) \
static void alsa_reorder_ ## NAME ## _out_50(const void *in_v, void *out_v, int n) \
{ \
const TYPE *in = in_v; \
TYPE *out = out_v; \
\
while (n-- > 0) { \
#define MAKE_REORDER_FUNC(NAME, TYPE, CHANNELS, LAYOUT, MAP) \
static void alsa_reorder_ ## NAME ## _ ## LAYOUT(const void *in_v, \
void *out_v, \
int n) \
{ \
const TYPE *in = in_v; \
TYPE *out = out_v; \
\
while (n-- > 0) { \
MAP \
in += CHANNELS; \
out += CHANNELS; \
} \
}
#define MAKE_REORDER_FUNCS(CHANNELS, LAYOUT, MAP) \
MAKE_REORDER_FUNC(int8, int8_t, CHANNELS, LAYOUT, MAP) \
MAKE_REORDER_FUNC(int16, int16_t, CHANNELS, LAYOUT, MAP) \
MAKE_REORDER_FUNC(int32, int32_t, CHANNELS, LAYOUT, MAP) \
MAKE_REORDER_FUNC(f32, float, CHANNELS, LAYOUT, MAP)
MAKE_REORDER_FUNCS
(
5
,
out_50
,
\
out
[
0
]
=
in
[
0
];
\
out
[
1
]
=
in
[
1
];
\
out
[
2
]
=
in
[
3
];
\
out
[
3
]
=
in
[
4
];
\
out
[
4
]
=
in
[
2
];
\
in += 5; \
out += 5; \
} \
}
);
#define REORDER_OUT_51(NAME, TYPE) \
static void alsa_reorder_ ## NAME ## _out_51(const void *in_v, void *out_v, int n) \
{ \
const TYPE *in = in_v; \
TYPE *out = out_v; \
\
while (n-- > 0) { \
MAKE_REORDER_FUNCS
(
6
,
out_51
,
\
out
[
0
]
=
in
[
0
];
\
out
[
1
]
=
in
[
1
];
\
out
[
2
]
=
in
[
4
];
\
out
[
3
]
=
in
[
5
];
\
out
[
4
]
=
in
[
2
];
\
out
[
5
]
=
in
[
3
];
\
in += 6; \
out += 6; \
} \
}
);
#define REORDER_OUT_71(NAME, TYPE) \
static void alsa_reorder_ ## NAME ## _out_71(const void *in_v, void *out_v, int n) \
{ \
const TYPE *in = in_v; \
TYPE *out = out_v; \
\
while (n-- > 0) { \
MAKE_REORDER_FUNCS
(
8
,
out_71
,
\
out
[
0
]
=
in
[
0
];
\
out
[
1
]
=
in
[
1
];
\
out
[
2
]
=
in
[
4
];
\
...
...
@@ -112,23 +109,7 @@ static void alsa_reorder_ ## NAME ## _out_71(const void *in_v, void *out_v, int
out
[
5
]
=
in
[
3
];
\
out
[
6
]
=
in
[
6
];
\
out
[
7
]
=
in
[
7
];
\
in += 8; \
out += 8; \
} \
}
REORDER_OUT_50
(
int8
,
int8_t
)
REORDER_OUT_51
(
int8
,
int8_t
)
REORDER_OUT_71
(
int8
,
int8_t
)
REORDER_OUT_50
(
int16
,
int16_t
)
REORDER_OUT_51
(
int16
,
int16_t
)
REORDER_OUT_71
(
int16
,
int16_t
)
REORDER_OUT_50
(
int32
,
int32_t
)
REORDER_OUT_51
(
int32
,
int32_t
)
REORDER_OUT_71
(
int32
,
int32_t
)
REORDER_OUT_50
(
f32
,
float
)
REORDER_OUT_51
(
f32
,
float
)
REORDER_OUT_71
(
f32
,
float
)
);
#define FORMAT_I8 0
#define FORMAT_I16 1
...
...
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