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submodule
ffmpeg
Commits
06fed440
Commit
06fed440
authored
Feb 22, 2014
by
Lukasz Marek
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lavd/avdevice: add device iterators
Signed-off-by:
Lukasz Marek
<
lukasz.m.luki@gmail.com
>
parent
f607767d
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4 changed files
with
89 additions
and
1 deletion
+89
-1
APIchanges
doc/APIchanges
+6
-0
avdevice.c
libavdevice/avdevice.c
+46
-0
avdevice.h
libavdevice/avdevice.h
+36
-0
version.h
libavdevice/version.h
+1
-1
No files found.
doc/APIchanges
View file @
06fed440
...
...
@@ -15,6 +15,12 @@ libavutil: 2012-10-22
API changes, most recent first:
2014-xx-xx - xxxxxx - lavd 55.11.100 - avdevice.h
Add av_input_audio_device_next().
Add av_input_video_device_next().
Add av_output_audio_device_next().
Add av_output_video_device_next().
2014-xx-xx - xxxxxxx - lavu 53.05.0 - frame.h
Add av_frame_copy() for copying the frame data.
...
...
libavdevice/avdevice.c
View file @
06fed440
...
...
@@ -37,6 +37,52 @@ const char * avdevice_license(void)
return
LICENSE_PREFIX
FFMPEG_LICENSE
+
sizeof
(
LICENSE_PREFIX
)
-
1
;
}
static
void
*
av_device_next
(
void
*
prev
,
int
output
,
AVClassCategory
c1
,
AVClassCategory
c2
)
{
const
AVClass
*
pc
;
AVClassCategory
category
=
AV_CLASS_CATEGORY_NA
;
do
{
if
(
output
)
{
if
(
!
(
prev
=
av_oformat_next
(
prev
)))
break
;
pc
=
((
AVOutputFormat
*
)
prev
)
->
priv_class
;
}
else
{
if
(
!
(
prev
=
av_iformat_next
(
prev
)))
break
;
pc
=
((
AVInputFormat
*
)
prev
)
->
priv_class
;
}
if
(
!
pc
)
continue
;
category
=
pc
->
category
;
}
while
(
category
!=
c1
&&
category
!=
c2
);
return
prev
;
}
AVInputFormat
*
av_input_audio_device_next
(
AVInputFormat
*
d
)
{
return
av_device_next
(
d
,
0
,
AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT
,
AV_CLASS_CATEGORY_DEVICE_INPUT
);
}
AVInputFormat
*
av_input_video_device_next
(
AVInputFormat
*
d
)
{
return
av_device_next
(
d
,
0
,
AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT
,
AV_CLASS_CATEGORY_DEVICE_INPUT
);
}
AVOutputFormat
*
av_output_audio_device_next
(
AVOutputFormat
*
d
)
{
return
av_device_next
(
d
,
1
,
AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT
,
AV_CLASS_CATEGORY_DEVICE_OUTPUT
);
}
AVOutputFormat
*
av_output_video_device_next
(
AVOutputFormat
*
d
)
{
return
av_device_next
(
d
,
1
,
AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT
,
AV_CLASS_CATEGORY_DEVICE_OUTPUT
);
}
int
avdevice_app_to_dev_control_message
(
struct
AVFormatContext
*
s
,
enum
AVAppToDevMessageType
type
,
void
*
data
,
size_t
data_size
)
{
...
...
libavdevice/avdevice.h
View file @
06fed440
...
...
@@ -66,6 +66,42 @@ const char *avdevice_license(void);
*/
void
avdevice_register_all
(
void
);
/**
* Audio input devices iterator.
*
* If d is NULL, returns the first registered input audio/video device,
* if d is non-NULL, returns the next registered input audio/video device after d
* or NULL if d is the last one.
*/
AVInputFormat
*
av_input_audio_device_next
(
AVInputFormat
*
d
);
/**
* Video input devices iterator.
*
* If d is NULL, returns the first registered input audio/video device,
* if d is non-NULL, returns the next registered input audio/video device after d
* or NULL if d is the last one.
*/
AVInputFormat
*
av_input_video_device_next
(
AVInputFormat
*
d
);
/**
* Audio output devices iterator.
*
* If d is NULL, returns the first registered output audio/video device,
* if d is non-NULL, returns the next registered output audio/video device after d
* or NULL if d is the last one.
*/
AVOutputFormat
*
av_output_audio_device_next
(
AVOutputFormat
*
d
);
/**
* Video output devices iterator.
*
* If d is NULL, returns the first registered output audio/video device,
* if d is non-NULL, returns the next registered output audio/video device after d
* or NULL if d is the last one.
*/
AVOutputFormat
*
av_output_video_device_next
(
AVOutputFormat
*
d
);
typedef
struct
AVDeviceRect
{
int
x
;
/**< x coordinate of top left corner */
int
y
;
/**< y coordinate of top left corner */
...
...
libavdevice/version.h
View file @
06fed440
...
...
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVDEVICE_VERSION_MAJOR 55
#define LIBAVDEVICE_VERSION_MINOR 1
0
#define LIBAVDEVICE_VERSION_MINOR 1
1
#define LIBAVDEVICE_VERSION_MICRO 100
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
...
...
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