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videolan
vlc
Commits
f2268e41
Commit
f2268e41
authored
Jan 03, 2009
by
Antoine Cellerier
Browse files
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Remove Alsa and OSS support from v4l2 module.
parent
33b03f0e
Changes
1
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1 changed file
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79 additions
and
810 deletions
+79
-810
modules/access/v4l2/v4l2.c
modules/access/v4l2/v4l2.c
+79
-810
No files found.
modules/access/v4l2/v4l2.c
View file @
f2268e41
...
@@ -27,11 +27,6 @@
...
@@ -27,11 +27,6 @@
/*
/*
* Sections based on the reference V4L2 capture example at
* Sections based on the reference V4L2 capture example at
* http://v4l2spec.bytesex.org/spec/capture-example.html
* http://v4l2spec.bytesex.org/spec/capture-example.html
*
* ALSA support based on parts of
* http://www.equalarea.com/paul/alsa-audio.html
* and hints taken from alsa-utils (aplay/arecord)
* http://www.alsa-project.org
*/
*/
/*****************************************************************************
/*****************************************************************************
...
@@ -87,10 +82,6 @@ static void DemuxClose( vlc_object_t * );
...
@@ -87,10 +82,6 @@ static void DemuxClose( vlc_object_t * );
static
int
AccessOpen
(
vlc_object_t
*
);
static
int
AccessOpen
(
vlc_object_t
*
);
static
void
AccessClose
(
vlc_object_t
*
);
static
void
AccessClose
(
vlc_object_t
*
);
#define DEV_TEXT N_("Device name")
#define DEV_LONGTEXT N_( \
"Name of the device to use. " \
"If you don't specify anything, /dev/video0 will be used.")
#define STANDARD_TEXT N_( "Standard" )
#define STANDARD_TEXT N_( "Standard" )
#define STANDARD_LONGTEXT N_( \
#define STANDARD_LONGTEXT N_( \
"Video standard (Default, SECAM, PAL, or NTSC)." )
"Video standard (Default, SECAM, PAL, or NTSC)." )
...
@@ -177,26 +168,6 @@ static void AccessClose( vlc_object_t * );
...
@@ -177,26 +168,6 @@ static void AccessClose( vlc_object_t * );
#define VCENTER_LONGTEXT N_( \
#define VCENTER_LONGTEXT N_( \
"Set the camera's vertical centering (if supported by the v4l2 driver)." )
"Set the camera's vertical centering (if supported by the v4l2 driver)." )
#define ADEV_TEXT N_("Audio device name")
#ifndef HAVE_ALSA
#define ADEV_LONGTEXT N_( \
"Name of the audio device to use. " \
"If you don't specify anything, \"/dev/dsp\" will be used for OSS.")
#else
#define ADEV_LONGTEXT N_( \
"Name of the audio device to use. " \
"If you don't specify anything, \"/dev/dsp\" will be used for OSS, " \
"\"hw\" for Alsa.")
#endif
#define AUDIO_METHOD_TEXT N_( "Audio method" )
#ifndef HAVE_ALSA
#define AUDIO_METHOD_LONGTEXT N_( \
"Audio method to use: 0 to disable audio, 1 for OSS." )
#else
#define AUDIO_METHOD_LONGTEXT N_( \
"Audio method to use: 0 to disable audio, 1 for OSS, 2 for ALSA, " \
"3 for ALSA or OSS (ALSA is preferred)." )
#endif
#define AUDIO_VOLUME_TEXT N_( "Volume" )
#define AUDIO_VOLUME_TEXT N_( "Volume" )
#define AUDIO_VOLUME_LONGTEXT N_( \
#define AUDIO_VOLUME_LONGTEXT N_( \
"Volume of the audio input (if supported by the v4l2 driver)." )
"Volume of the audio input (if supported by the v4l2 driver)." )
...
@@ -216,13 +187,6 @@ static void AccessClose( vlc_object_t * );
...
@@ -216,13 +187,6 @@ static void AccessClose( vlc_object_t * );
#define AUDIO_LOUDNESS_LONGTEXT N_( \
#define AUDIO_LOUDNESS_LONGTEXT N_( \
"Loudness of the audio input (if supported by the v4l2 driver)." )
"Loudness of the audio input (if supported by the v4l2 driver)." )
#define STEREO_TEXT N_( "Stereo" )
#define STEREO_LONGTEXT N_( \
"Capture the audio stream in stereo." )
#define SAMPLERATE_TEXT N_( "Samplerate" )
#define SAMPLERATE_LONGTEXT N_( \
"Samplerate of the captured audio stream, in Hz (eg: 11025, 22050, 44100, 48000)" )
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
#define CACHING_LONGTEXT N_( \
"Caching value for V4L2 captures. This " \
"Caching value for V4L2 captures. This " \
...
@@ -245,6 +209,11 @@ static void AccessClose( vlc_object_t * );
...
@@ -245,6 +209,11 @@ static void AccessClose( vlc_object_t * );
#define TUNER_AUDIO_MODE_LONGTEXT N_( \
#define TUNER_AUDIO_MODE_LONGTEXT N_( \
"Tuner audio mono/stereo and track selection." )
"Tuner audio mono/stereo and track selection." )
#define AUDIO_DEPRECATED_ERROR N_( \
"Alsa or OSS audio capture in the v4l2 access is deprecated. " \
"please use 'v4l2:/""/ --input-slave alsa:/""/' or " \
"'v4l2:/""/ --input-slave oss:/""/' instead." )
typedef
enum
{
typedef
enum
{
IO_METHOD_READ
,
IO_METHOD_READ
,
IO_METHOD_MMAP
,
IO_METHOD_MMAP
,
...
@@ -273,13 +242,7 @@ static const char *const psz_tuner_audio_modes_list_text[] =
...
@@ -273,13 +242,7 @@ static const char *const psz_tuner_audio_modes_list_text[] =
N_
(
"Second audio program (Analog TV tuners only)"
),
N_
(
"Second audio program (Analog TV tuners only)"
),
N_
(
"Primary language left, Secondary language right"
)
};
N_
(
"Primary language left, Secondary language right"
)
};
#define FIND_VIDEO 1
#define V4L2_DEFAULT "/dev/video0"
#define FIND_AUDIO 2
#define AUDIO_METHOD_OSS 1
#define OSS_DEFAULT "/dev/dsp"
#define AUDIO_METHOD_ALSA 2
#define ALSA_DEFAULT "hw"
#define CFG_PREFIX "v4l2-"
#define CFG_PREFIX "v4l2-"
vlc_module_begin
()
vlc_module_begin
()
...
@@ -289,8 +252,6 @@ vlc_module_begin ()
...
@@ -289,8 +252,6 @@ vlc_module_begin ()
set_subcategory
(
SUBCAT_INPUT_ACCESS
)
set_subcategory
(
SUBCAT_INPUT_ACCESS
)
set_section
(
N_
(
"Video input"
),
NULL
)
set_section
(
N_
(
"Video input"
),
NULL
)
add_string
(
CFG_PREFIX
"dev"
,
"/dev/video0"
,
0
,
DEV_TEXT
,
DEV_LONGTEXT
,
false
);
add_integer
(
CFG_PREFIX
"standard"
,
0
,
NULL
,
STANDARD_TEXT
,
add_integer
(
CFG_PREFIX
"standard"
,
0
,
NULL
,
STANDARD_TEXT
,
STANDARD_LONGTEXT
,
false
);
STANDARD_LONGTEXT
,
false
);
change_integer_list
(
i_standards_list
,
psz_standards_list_text
,
NULL
);
change_integer_list
(
i_standards_list
,
psz_standards_list_text
,
NULL
);
...
@@ -308,16 +269,6 @@ vlc_module_begin ()
...
@@ -308,16 +269,6 @@ vlc_module_begin ()
add_integer
(
CFG_PREFIX
"height"
,
0
,
NULL
,
HEIGHT_TEXT
,
add_integer
(
CFG_PREFIX
"height"
,
0
,
NULL
,
HEIGHT_TEXT
,
HEIGHT_LONGTEXT
,
true
);
HEIGHT_LONGTEXT
,
true
);
add_float
(
CFG_PREFIX
"fps"
,
0
,
NULL
,
FPS_TEXT
,
FPS_LONGTEXT
,
true
)
add_float
(
CFG_PREFIX
"fps"
,
0
,
NULL
,
FPS_TEXT
,
FPS_LONGTEXT
,
true
)
set_section
(
N_
(
"Audio input"
),
NULL
)
add_string
(
CFG_PREFIX
"adev"
,
NULL
,
0
,
ADEV_TEXT
,
ADEV_LONGTEXT
,
false
);
add_integer
(
CFG_PREFIX
"audio-method"
,
AUDIO_METHOD_OSS
|
AUDIO_METHOD_ALSA
,
NULL
,
AUDIO_METHOD_TEXT
,
AUDIO_METHOD_LONGTEXT
,
true
);
add_bool
(
CFG_PREFIX
"stereo"
,
true
,
NULL
,
STEREO_TEXT
,
STEREO_LONGTEXT
,
true
);
add_integer
(
CFG_PREFIX
"samplerate"
,
48000
,
NULL
,
SAMPLERATE_TEXT
,
SAMPLERATE_LONGTEXT
,
true
);
add_integer
(
CFG_PREFIX
"caching"
,
DEFAULT_PTS_DELAY
/
1000
,
NULL
,
add_integer
(
CFG_PREFIX
"caching"
,
DEFAULT_PTS_DELAY
/
1000
,
NULL
,
CACHING_TEXT
,
CACHING_LONGTEXT
,
true
);
CACHING_TEXT
,
CACHING_LONGTEXT
,
true
);
...
@@ -384,6 +335,13 @@ vlc_module_begin ()
...
@@ -384,6 +335,13 @@ vlc_module_begin ()
add_string
(
CFG_PREFIX
"set-ctrls"
,
NULL
,
NULL
,
S_CTRLS_TEXT
,
add_string
(
CFG_PREFIX
"set-ctrls"
,
NULL
,
NULL
,
S_CTRLS_TEXT
,
S_CTRLS_LONGTEXT
,
true
);
S_CTRLS_LONGTEXT
,
true
);
add_obsolete_string
(
CFG_PREFIX
"dev"
);
add_obsolete_string
(
CFG_PREFIX
"adev"
);
add_obsolete_integer
(
CFG_PREFIX
"audio-method"
);
add_obsolete_bool
(
CFG_PREFIX
"stereo"
);
add_obsolete_integer
(
CFG_PREFIX
"samplerate"
);
add_shortcut
(
"v4l2"
)
add_shortcut
(
"v4l2"
)
set_capability
(
"access_demux"
,
10
)
set_capability
(
"access_demux"
,
10
)
set_callbacks
(
DemuxOpen
,
DemuxClose
)
set_callbacks
(
DemuxOpen
,
DemuxClose
)
...
@@ -414,20 +372,13 @@ static ssize_t AccessRead( access_t *, uint8_t *, size_t );
...
@@ -414,20 +372,13 @@ static ssize_t AccessRead( access_t *, uint8_t *, size_t );
static
block_t
*
GrabVideo
(
demux_t
*
p_demux
);
static
block_t
*
GrabVideo
(
demux_t
*
p_demux
);
static
block_t
*
ProcessVideoFrame
(
demux_t
*
p_demux
,
uint8_t
*
p_frame
,
size_t
);
static
block_t
*
ProcessVideoFrame
(
demux_t
*
p_demux
,
uint8_t
*
p_frame
,
size_t
);
static
block_t
*
GrabAudio
(
demux_t
*
p_demux
);
static
bool
IsPixelFormatSupported
(
demux_t
*
p_demux
,
static
bool
IsPixelFormatSupported
(
demux_t
*
p_demux
,
unsigned
int
i_pixelformat
);
unsigned
int
i_pixelformat
);
#ifdef HAVE_ALSA
static
char
*
ResolveALSADeviceName
(
const
char
*
psz_device
);
#endif
static
int
OpenVideoDev
(
vlc_object_t
*
,
demux_sys_t
*
,
bool
);
static
int
OpenVideoDev
(
vlc_object_t
*
,
demux_sys_t
*
,
bool
);
static
int
OpenAudioDev
(
vlc_object_t
*
,
demux_sys_t
*
,
bool
);
static
bool
ProbeVideoDev
(
vlc_object_t
*
,
demux_sys_t
*
,
static
bool
ProbeVideoDev
(
vlc_object_t
*
,
demux_sys_t
*
,
char
*
psz_device
);
const
char
*
psz_device
);
static
bool
ProbeAudioDev
(
vlc_object_t
*
,
demux_sys_t
*
,
char
*
psz_device
);
static
int
ControlList
(
vlc_object_t
*
,
int
,
bool
,
bool
);
static
int
ControlList
(
vlc_object_t
*
,
int
,
bool
,
bool
);
static
int
Control
(
vlc_object_t
*
,
int
i_fd
,
static
int
Control
(
vlc_object_t
*
,
int
i_fd
,
...
@@ -544,13 +495,8 @@ struct buffer_t
...
@@ -544,13 +495,8 @@ struct buffer_t
struct
demux_sys_t
struct
demux_sys_t
{
{
char
*
psz_device
;
/* Main device from MRL, can be video or audio */
char
*
psz_device
;
/* Main device from MRL */
int
i_fd
;
char
*
psz_vdev
;
int
i_fd_video
;
char
*
psz_adev
;
int
i_fd_audio
;
char
*
psz_requested_chroma
;
char
*
psz_requested_chroma
;
...
@@ -589,23 +535,7 @@ struct demux_sys_t
...
@@ -589,23 +535,7 @@ struct demux_sys_t
mtime_t
i_video_pts
;
/* only used when f_fps > 0 */
mtime_t
i_video_pts
;
/* only used when f_fps > 0 */
int
i_fourcc
;
int
i_fourcc
;
es_out_id_t
*
p_es_video
;
es_out_id_t
*
p_es
;
/* Audio */
unsigned
int
i_sample_rate
;
bool
b_stereo
;
size_t
i_audio_max_frame_size
;
block_t
*
p_block_audio
;
es_out_id_t
*
p_es_audio
;
int
i_audio_method
;
#ifdef HAVE_ALSA
/* ALSA Audio */
snd_pcm_t
*
p_alsa_pcm
;
size_t
i_alsa_frame_size
;
int
i_alsa_chunk_size
;
#endif
/* Tuner */
/* Tuner */
int
i_cur_tuner
;
int
i_cur_tuner
;
...
@@ -617,99 +547,18 @@ struct demux_sys_t
...
@@ -617,99 +547,18 @@ struct demux_sys_t
};
};
static
int
FindMainDevice
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
,
static
int
FindMainDevice
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
,
int
i_flags
,
bool
b_demux
,
bool
b_demux
)
bool
b_forced
)
{
{
/* Find main device (video or audio) */
/* TODO: if using default device, loop through all /dev/video* until
if
(
p_sys
->
psz_device
&&
*
p_sys
->
psz_device
)
* one works */
{
msg_Dbg
(
p_this
,
"opening device '%s'"
,
p_sys
->
psz_device
);
msg_Dbg
(
p_this
,
"main device='%s'"
,
p_sys
->
psz_device
);
if
(
ProbeVideoDev
(
p_this
,
p_sys
,
p_sys
->
psz_device
)
)
bool
b_maindevice_is_video
=
false
;
/* Try to open as video device */
if
(
i_flags
&
FIND_VIDEO
)
{
msg_Dbg
(
p_this
,
"trying device '%s' as video"
,
p_sys
->
psz_device
);
if
(
ProbeVideoDev
(
p_this
,
p_sys
,
p_sys
->
psz_device
)
)
{
msg_Dbg
(
p_this
,
"'%s' is a video device"
,
p_sys
->
psz_device
);
/* Device was a video device */
free
(
p_sys
->
psz_vdev
);
p_sys
->
psz_vdev
=
p_sys
->
psz_device
;
p_sys
->
psz_device
=
NULL
;
p_sys
->
i_fd_video
=
OpenVideoDev
(
p_this
,
p_sys
,
b_demux
);
if
(
p_sys
->
i_fd_video
<
0
)
return
VLC_EGENERIC
;
b_maindevice_is_video
=
true
;
/* If successful we carry on to try the audio if access is forced */
}
}
/* Try to open as audio device only if main device was not detected as video above */
if
(
i_flags
&
FIND_AUDIO
&&
!
b_maindevice_is_video
)
{
msg_Dbg
(
p_this
,
"trying device '%s' as audio"
,
p_sys
->
psz_device
);
if
(
ProbeAudioDev
(
p_this
,
p_sys
,
p_sys
->
psz_device
)
)
{
msg_Dbg
(
p_this
,
"'%s' is an audio device"
,
p_sys
->
psz_device
);
/* Device was an audio device */
free
(
p_sys
->
psz_adev
);
p_sys
->
psz_adev
=
p_sys
->
psz_device
;
p_sys
->
psz_device
=
NULL
;
p_sys
->
i_fd_audio
=
OpenAudioDev
(
p_this
,
p_sys
,
b_demux
);
if
(
p_sys
->
i_fd_audio
<
0
)
return
VLC_EGENERIC
;
/* If successful we carry on to try the video if access is forced */
}
}
}
/* If no device opened, only continue if the access was forced */
if
(
b_forced
==
false
&&
!
(
(
i_flags
&
FIND_VIDEO
&&
p_sys
->
i_fd_video
>=
0
)
||
(
i_flags
&
FIND_AUDIO
&&
p_sys
->
i_fd_audio
>=
0
)
)
)
{
return
VLC_EGENERIC
;
}
/* Find video device */
if
(
i_flags
&
FIND_VIDEO
&&
p_sys
->
i_fd_video
<
0
)
{
if
(
!
p_sys
->
psz_vdev
||
!*
p_sys
->
psz_vdev
)
{
free
(
p_sys
->
psz_vdev
);
p_sys
->
psz_vdev
=
var_CreateGetString
(
p_this
,
"v4l2-dev"
);
}
msg_Dbg
(
p_this
,
"opening '%s' as video"
,
p_sys
->
psz_vdev
);
if
(
p_sys
->
psz_vdev
&&
*
p_sys
->
psz_vdev
&&
ProbeVideoDev
(
p_this
,
p_sys
,
p_sys
->
psz_vdev
)
)
{
p_sys
->
i_fd_video
=
OpenVideoDev
(
p_this
,
p_sys
,
b_demux
);
}
}
/* Find audio device */
if
(
i_flags
&
FIND_AUDIO
&&
p_sys
->
i_fd_audio
<
0
)
{
{
if
(
!
p_sys
->
psz_adev
)
msg_Dbg
(
p_this
,
"'%s' is a video device"
,
p_sys
->
psz_device
);
{
p_sys
->
i_fd
=
OpenVideoDev
(
p_this
,
p_sys
,
b_demux
);
p_sys
->
psz_adev
=
var_CreateGetNonEmptyString
(
p_this
,
"v4l2-adev"
);
}
msg_Dbg
(
p_this
,
"opening '%s' as audio"
,
p_sys
->
psz_adev
);
if
(
ProbeAudioDev
(
p_this
,
p_sys
,
p_sys
->
psz_adev
)
)
{
p_sys
->
i_fd_audio
=
OpenAudioDev
(
p_this
,
p_sys
,
b_demux
);
}
}
}
if
(
!
(
(
i_flags
&
FIND_VIDEO
&&
p_sys
->
i_fd_video
>=
0
)
if
(
p_sys
->
i_fd
<
0
)
return
VLC_EGENERIC
;
||
(
i_flags
&
FIND_AUDIO
&&
p_sys
->
i_fd_audio
>=
0
)
)
)
{
return
VLC_EGENERIC
;
}
return
VLC_SUCCESS
;
return
VLC_SUCCESS
;
}
}
...
@@ -742,13 +591,7 @@ static int DemuxOpen( vlc_object_t *p_this )
...
@@ -742,13 +591,7 @@ static int DemuxOpen( vlc_object_t *p_this )
ParseMRL
(
p_sys
,
p_demux
->
psz_path
,
(
vlc_object_t
*
)
p_demux
);
ParseMRL
(
p_sys
,
p_demux
->
psz_path
,
(
vlc_object_t
*
)
p_demux
);
#ifdef HAVE_ALSA
if
(
FindMainDevice
(
p_this
,
p_sys
,
true
)
!=
VLC_SUCCESS
)
/* Alsa support available? */
msg_Dbg
(
p_demux
,
"ALSA input support available"
);
#endif
if
(
FindMainDevice
(
p_this
,
p_sys
,
FIND_VIDEO
|
FIND_AUDIO
,
true
,
!
strncmp
(
p_demux
->
psz_access
,
"v4l2"
,
4
)
)
!=
VLC_SUCCESS
)
{
{
DemuxClose
(
p_this
);
DemuxClose
(
p_this
);
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
@@ -779,13 +622,8 @@ static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
...
@@ -779,13 +622,8 @@ static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
var_Create
(
p_obj
,
"v4l2-controls-reset"
,
VLC_VAR_BOOL
|
VLC_VAR_DOINHERIT
);
var_Create
(
p_obj
,
"v4l2-controls-reset"
,
VLC_VAR_BOOL
|
VLC_VAR_DOINHERIT
);
p_sys
->
f_fps
=
var_CreateGetFloat
(
p_obj
,
"v4l2-fps"
);
p_sys
->
f_fps
=
var_CreateGetFloat
(
p_obj
,
"v4l2-fps"
);
p_sys
->
i_sample_rate
=
var_CreateGetInteger
(
p_obj
,
"v4l2-samplerate"
);
p_sys
->
psz_requested_chroma
=
var_CreateGetString
(
p_obj
,
"v4l2-chroma"
);
p_sys
->
psz_requested_chroma
=
var_CreateGetString
(
p_obj
,
"v4l2-chroma"
);
p_sys
->
i_audio_method
=
var_CreateGetInteger
(
p_obj
,
"v4l2-audio-method"
);
p_sys
->
b_stereo
=
var_CreateGetBool
(
p_obj
,
"v4l2-stereo"
);
p_sys
->
i_pts
=
var_CreateGetInteger
(
p_obj
,
"v4l2-caching"
);
p_sys
->
i_pts
=
var_CreateGetInteger
(
p_obj
,
"v4l2-caching"
);
p_sys
->
i_cur_tuner
=
var_CreateGetInteger
(
p_obj
,
"v4l2-tuner"
);
p_sys
->
i_cur_tuner
=
var_CreateGetInteger
(
p_obj
,
"v4l2-tuner"
);
...
@@ -794,12 +632,10 @@ static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
...
@@ -794,12 +632,10 @@ static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
p_sys
->
psz_set_ctrls
=
var_CreateGetString
(
p_obj
,
"v4l2-set-ctrls"
);
p_sys
->
psz_set_ctrls
=
var_CreateGetString
(
p_obj
,
"v4l2-set-ctrls"
);
p_sys
->
psz_device
=
p_sys
->
psz_vdev
=
p_sys
->
psz_adev
=
NULL
;
p_sys
->
psz_device
=
NULL
;
p_sys
->
i_fd_video
=
-
1
;
p_sys
->
i_fd
=
-
1
;
p_sys
->
i_fd_audio
=
-
1
;
p_sys
->
p_es_video
=
p_sys
->
p_es_audio
=
0
;
p_sys
->
p_es
=
NULL
;
p_sys
->
p_block_audio
=
0
;
}
}
/*****************************************************************************
/*****************************************************************************
...
@@ -822,30 +658,7 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
...
@@ -822,30 +658,7 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
{
{
*
psz_parser
++
=
'\0'
;
*
psz_parser
++
=
'\0'
;
if
(
!
strncmp
(
psz_parser
,
"adev="
,
strlen
(
"adev="
)
)
)
if
(
!
strncmp
(
psz_parser
,
"standard="
,
strlen
(
"standard="
)
)
)
{
int
i_len
;
psz_parser
+=
strlen
(
"adev="
);
if
(
strchr
(
psz_parser
,
':'
)
)
{
i_len
=
strchr
(
psz_parser
,
':'
)
-
psz_parser
;
}
else
{
i_len
=
strlen
(
psz_parser
);
}
p_sys
->
psz_adev
=
strndup
(
psz_parser
,
i_len
);
if
(
!*
p_sys
->
psz_adev
)
{
free
(
p_sys
->
psz_adev
);
p_sys
->
psz_adev
=
NULL
;
}
psz_parser
+=
i_len
;
}
else
if
(
!
strncmp
(
psz_parser
,
"standard="
,
strlen
(
"standard="
)
)
)
{
{
psz_parser
+=
strlen
(
"standard="
);
psz_parser
+=
strlen
(
"standard="
);
if
(
!
strncmp
(
psz_parser
,
"pal"
,
strlen
(
"pal"
)
)
)
if
(
!
strncmp
(
psz_parser
,
"pal"
,
strlen
(
"pal"
)
)
)
...
@@ -987,29 +800,6 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
...
@@ -987,29 +800,6 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
&psz_parser, 0 ) );
&psz_parser, 0 ) );
}
}
#endif
#endif
else
if
(
!
strncmp
(
psz_parser
,
"samplerate="
,
strlen
(
"samplerate="
)
)
)
{
p_sys
->
i_sample_rate
=
strtol
(
psz_parser
+
strlen
(
"samplerate="
),
&
psz_parser
,
0
);
}
else
if
(
!
strncmp
(
psz_parser
,
"audio-method"
,
strlen
(
"audio-method"
)
)
)
{
p_sys
->
i_audio_method
=
strtol
(
psz_parser
+
strlen
(
"audio-method"
),
&
psz_parser
,
0
);
}
else
if
(
!
strncmp
(
psz_parser
,
"stereo"
,
strlen
(
"stereo"
)
)
)
{
psz_parser
+=
strlen
(
"stereo"
);
p_sys
->
b_stereo
=
true
;
}
else
if
(
!
strncmp
(
psz_parser
,
"mono"
,
strlen
(
"mono"
)
)
)
{
psz_parser
+=
strlen
(
"mono"
);
p_sys
->
b_stereo
=
false
;
}
else
if
(
!
strncmp
(
psz_parser
,
"caching="
,
strlen
(
"caching="
)
)
)
else
if
(
!
strncmp
(
psz_parser
,
"caching="
,
strlen
(
"caching="
)
)
)
{
{
p_sys
->
i_pts
=
strtol
(
psz_parser
+
strlen
(
"caching="
),
p_sys
->
i_pts
=
strtol
(
psz_parser
+
strlen
(
"caching="
),
...
@@ -1050,6 +840,23 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
...
@@ -1050,6 +840,23 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
psz_parser
+=
i_len
;
psz_parser
+=
i_len
;
}
}
else
if
(
!
strncmp
(
psz_parser
,
"adev="
,
strlen
(
"adev="
)
)
||
!
strncmp
(
psz_parser
,
"samplerate="
,
strlen
(
"samplerate="
)
)
||
!
strncmp
(
psz_parser
,
"audio-method"
,
strlen
(
"audio-method"
)
)
||
!
strncmp
(
psz_parser
,
"stereo"
,
strlen
(
"stereo"
)
)
||
!
strncmp
(
psz_parser
,
"mono"
,
strlen
(
"mono"
)
)
)
{
if
(
strchr
(
psz_parser
,
':'
)
)
{
psz_parser
=
strchr
(
psz_parser
,
':'
);
}
else
{
psz_parser
+=
strlen
(
psz_parser
);
}
msg_Err
(
p_obj
,
AUDIO_DEPRECATED_ERROR
);
}
else
else
{
{
char
*
psz_unk
=
strchr
(
psz_parser
,
':'
);
char
*
psz_unk
=
strchr
(
psz_parser
,
':'
);
...
@@ -1075,9 +882,9 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
...
@@ -1075,9 +882,9 @@ static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
/* Main device */
/* Main device */
if
(
*
psz_dup
)
if
(
*
psz_dup
)
{
p_sys
->
psz_device
=
strdup
(
psz_dup
);
p_sys
->
psz_device
=
strdup
(
psz_dup
);
}
else
p_sys
->
psz_device
=
strdup
(
V4L2_DEFAULT
);
free
(
psz_dup
);
free
(
psz_dup
);
}
}
...
@@ -1102,7 +909,7 @@ static void DemuxClose( vlc_object_t *p_this )
...
@@ -1102,7 +909,7 @@ static void DemuxClose( vlc_object_t *p_this )
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
/* Stop video capture */
/* Stop video capture */
if
(
p_sys
->
i_fd
_video
>=
0
)
if
(
p_sys
->
i_fd
>=
0
)
{
{
switch
(
p_sys
->
io
)
switch
(
p_sys
->
io
)
{
{
...
@@ -1119,11 +926,11 @@ static void DemuxClose( vlc_object_t *p_this )
...
@@ -1119,11 +926,11 @@ static void DemuxClose( vlc_object_t *p_this )
buf
.
type
=
V4L2_BUF_TYPE_VIDEO_CAPTURE
;
buf
.
type
=
V4L2_BUF_TYPE_VIDEO_CAPTURE
;
buf
.
memory
=
(
p_sys
->
io
==
IO_METHOD_USERPTR
)
?
buf
.
memory
=
(
p_sys
->
io
==
IO_METHOD_USERPTR
)
?
V4L2_MEMORY_USERPTR
:
V4L2_MEMORY_MMAP
;
V4L2_MEMORY_USERPTR
:
V4L2_MEMORY_MMAP
;
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_DQBUF
,
&
buf
);
/* ignore result */
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_DQBUF
,
&
buf
);
/* ignore result */
}
}
buf_type
=
V4L2_BUF_TYPE_VIDEO_CAPTURE
;
buf_type
=
V4L2_BUF_TYPE_VIDEO_CAPTURE
;
if
(
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_STREAMOFF
,
&
buf_type
)
<
0
)
{
if
(
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_STREAMOFF
,
&
buf_type
)
<
0
)
{
msg_Err
(
p_this
,
"VIDIOC_STREAMOFF failed"
);
msg_Err
(
p_this
,
"VIDIOC_STREAMOFF failed"
);
}
}
...
@@ -1166,20 +973,8 @@ static void CommonClose( vlc_object_t *p_this, demux_sys_t *p_sys )
...
@@ -1166,20 +973,8 @@ static void CommonClose( vlc_object_t *p_this, demux_sys_t *p_sys )
{
{
(
void
)
p_this
;
(
void
)
p_this
;
/* Close */
/* Close */
if
(
p_sys
->
i_fd_video
>=
0
)
v4l2_close
(
p_sys
->
i_fd_video
);
if
(
p_sys
->
i_fd
>=
0
)
v4l2_close
(
p_sys
->
i_fd
);
#ifdef HAVE_ALSA
if
(
p_sys
->
p_alsa_pcm
)
{
snd_pcm_close
(
p_sys
->
p_alsa_pcm
);
p_sys
->
i_fd_audio
=
-
1
;
}
#endif
if
(
p_sys
->
i_fd_audio
>=
0
)
close
(
p_sys
->
i_fd_audio
);
if
(
p_sys
->
p_block_audio
)
block_Release
(
p_sys
->
p_block_audio
);
free
(
p_sys
->
psz_device
);
free
(
p_sys
->
psz_device
);
free
(
p_sys
->
psz_vdev
);
free
(
p_sys
->
psz_adev
);
free
(
p_sys
->
p_standards
);
free
(
p_sys
->
p_standards
);
free
(
p_sys
->
p_inputs
);
free
(
p_sys
->
p_inputs
);
free
(
p_sys
->
p_tuners
);
free
(
p_sys
->
p_tuners
);
...
@@ -1224,8 +1019,7 @@ static int AccessOpen( vlc_object_t * p_this )
...
@@ -1224,8 +1019,7 @@ static int AccessOpen( vlc_object_t * p_this )
ParseMRL
(
p_sys
,
p_access
->
psz_path
,
(
vlc_object_t
*
)
p_access
);
ParseMRL
(
p_sys
,
p_access
->
psz_path
,
(
vlc_object_t
*
)
p_access
);
if
(
FindMainDevice
(
p_this
,
p_sys
,
FIND_VIDEO
,
if
(
FindMainDevice
(
p_this
,
p_sys
,
false
)
!=
VLC_SUCCESS
)
false
,
!
strncmp
(
p_access
->
psz_access
,
"v4l2"
,
4
)
)
!=
VLC_SUCCESS
)
{
{
AccessClose
(
p_this
);
AccessClose
(
p_this
);
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
@@ -1340,7 +1134,7 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
...
@@ -1340,7 +1134,7 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
struct
pollfd
ufd
;
struct
pollfd
ufd
;
int
i_ret
;
int
i_ret
;
ufd
.
fd
=
p_sys
->
i_fd
_video
;
ufd
.
fd
=
p_sys
->
i_fd
;
ufd
.
events
=
POLLIN
;
ufd
.
events
=
POLLIN
;
if
(
p_access
->
info
.
b_eof
)
if
(
p_access
->
info
.
b_eof
)
...
@@ -1361,7 +1155,7 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
...
@@ -1361,7 +1155,7 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
return
-
1
;
return
-
1
;
}
}
i_ret
=
v4l2_read
(
p_sys
->
i_fd
_video
,
p_buffer
,
i_len
);
i_ret
=
v4l2_read
(
p_sys
->
i_fd
,
p_buffer
,
i_len
);
if
(
i_ret
==
0
)
if
(
i_ret
==
0
)
{
{
p_access
->
info
.
b_eof
=
true
;
p_access
->
info
.
b_eof
=
true
;
...
@@ -1380,59 +1174,26 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
...
@@ -1380,59 +1174,26 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
static
int
Demux
(
demux_t
*
p_demux
)
static
int
Demux
(
demux_t
*
p_demux
)
{
{
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
es_out_id_t
*
p_es
=
p_sys
->
p_es_audio
;
block_t
*
p_block
=
NULL
;
struct
pollfd
p_fd
[
2
];
struct
pollfd
fd
;
int
i_fd
=
0
;
fd
.
fd
=
p_sys
->
i_fd
;
memset
(
p_fd
,
0
,
2
*
sizeof
(
struct
pollfd
)
);
fd
.
events
=
POLLIN
|
POLLPRI
;
if
(
p_sys
->
i_fd_video
)
fd
.
revents
=
0
;
{
p_fd
[
i_fd
].
fd
=
p_sys
->
i_fd_video
;
p_fd
[
i_fd
].
events
=
POLLIN
|
POLLPRI
;
i_fd
++
;
}
if
(
p_sys
->
i_fd_audio
)
{
p_fd
[
i_fd
].
fd
=
p_sys
->
i_fd_audio
;
p_fd
[
i_fd
].
events
=
POLLIN
|
POLLPRI
;
i_fd
++
;
}
/* Wait for data */
/* Wait for data */
if
(
poll
(
p_fd
,
i_fd
,
500
)
)
/* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
if
(
poll
(
&
fd
,
1
,
500
)
)
/* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
{
{
for
(
i_fd
--
;
i_fd
>=
0
;
i_fd
--
)
if
(
fd
.
revents
&
(
POLLIN
|
POLLPRI
)
)
{
{
if
(
p_fd
[
i_fd
].
revents
&
(
POLLIN
|
POLLPRI
)
)
block_t
*
p_block
=
GrabVideo
(
p_demux
);
if
(
p_block
)
{
{
if
(
p_fd
[
i_fd
].
fd
==
p_sys
->
i_fd_video
)
es_out_Control
(
p_demux
->
out
,
ES_OUT_SET_PCR
,
p_block
->
i_pts
);
{
es_out_Send
(
p_demux
->
out
,
p_sys
->
p_es
,
p_block
);
p_block
=
GrabVideo
(
p_demux
);
p_es
=
p_sys
->
p_es_video
;
}
else
/* audio */
{
p_block
=
GrabAudio
(
p_demux
);
p_es
=
p_sys
->
p_es_audio
;
}
break
;
}
}
}
}
}
}
if
(
!
p_block
)
{
/* Looks like poll timed out ...
* ... or returned an error on one of the fds.
* TODO: process */
return
1
;
}
assert
(
p_es
);
es_out_Control
(
p_demux
->
out
,
ES_OUT_SET_PCR
,
p_block
->
i_pts
);
es_out_Send
(
p_demux
->
out
,
p_es
,
p_block
);
return
1
;
return
1
;
}
}
...
@@ -1459,7 +1220,7 @@ static block_t* GrabVideo( demux_t *p_demux )
...
@@ -1459,7 +1220,7 @@ static block_t* GrabVideo( demux_t *p_demux )
switch
(
p_sys
->
io
)
switch
(
p_sys
->
io
)
{
{
case
IO_METHOD_READ
:
case
IO_METHOD_READ
:
i_ret
=
v4l2_read
(
p_sys
->
i_fd
_video
,
p_sys
->
p_buffers
[
0
].
start
,
p_sys
->
p_buffers
[
0
].
length
);
i_ret
=
v4l2_read
(
p_sys
->
i_fd
,
p_sys
->
p_buffers
[
0
].
start
,
p_sys
->
p_buffers
[
0
].
length
);
if
(
i_ret
==
-
1
)
if
(
i_ret
==
-
1
)
{
{
switch
(
errno
)
switch
(
errno
)
...
@@ -1486,7 +1247,7 @@ static block_t* GrabVideo( demux_t *p_demux )
...
@@ -1486,7 +1247,7 @@ static block_t* GrabVideo( demux_t *p_demux )
buf
.
memory
=
V4L2_MEMORY_MMAP
;
buf
.
memory
=
V4L2_MEMORY_MMAP
;
/* Wait for next frame */
/* Wait for next frame */
if
(
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_DQBUF
,
&
buf
)
<
0
)
if
(
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_DQBUF
,
&
buf
)
<
0
)
{
{
switch
(
errno
)
switch
(
errno
)
{
{
...
@@ -1510,7 +1271,7 @@ static block_t* GrabVideo( demux_t *p_demux )
...
@@ -1510,7 +1271,7 @@ static block_t* GrabVideo( demux_t *p_demux )
if
(
!
p_block
)
return
0
;
if
(
!
p_block
)
return
0
;
/* Unlock */
/* Unlock */
if
(
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_QBUF
,
&
buf
)
<
0
)
if
(
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_QBUF
,
&
buf
)
<
0
)
{
{
msg_Err
(
p_demux
,
"Failed to unlock (VIDIOC_QBUF)"
);
msg_Err
(
p_demux
,
"Failed to unlock (VIDIOC_QBUF)"
);
block_Release
(
p_block
);
block_Release
(
p_block
);
...
@@ -1525,7 +1286,7 @@ static block_t* GrabVideo( demux_t *p_demux )
...
@@ -1525,7 +1286,7 @@ static block_t* GrabVideo( demux_t *p_demux )
buf
.
memory
=
V4L2_MEMORY_USERPTR
;
buf
.
memory
=
V4L2_MEMORY_USERPTR
;
/* Wait for next frame */
/* Wait for next frame */
if
(
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_DQBUF
,
&
buf
)
<
0
)
if
(
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_DQBUF
,
&
buf
)
<
0
)
{
{
switch
(
errno
)
switch
(
errno
)
{
{
...
@@ -1558,7 +1319,7 @@ static block_t* GrabVideo( demux_t *p_demux )
...
@@ -1558,7 +1319,7 @@ static block_t* GrabVideo( demux_t *p_demux )
if
(
!
p_block
)
return
0
;
if
(
!
p_block
)
return
0
;
/* Unlock */
/* Unlock */
if
(
v4l2_ioctl
(
p_sys
->
i_fd
_video
,
VIDIOC_QBUF
,
&
buf
)
<
0
)
if
(
v4l2_ioctl
(
p_sys
->
i_fd
,
VIDIOC_QBUF
,
&
buf
)
<
0
)
{
{
msg_Err
(
p_demux
,
"Failed to unlock (VIDIOC_QBUF)"
);
msg_Err
(
p_demux
,
"Failed to unlock (VIDIOC_QBUF)"
);
block_Release
(
p_block
);
block_Release
(
p_block
);
...
@@ -1598,119 +1359,6 @@ static block_t* ProcessVideoFrame( demux_t *p_demux, uint8_t *p_frame, size_t i_
...
@@ -1598,119 +1359,6 @@ static block_t* ProcessVideoFrame( demux_t *p_demux, uint8_t *p_frame, size_t i_
return
p_block
;
return
p_block
;
}
}
/*****************************************************************************
* GrabAudio: Grab an audio frame
*****************************************************************************/
static
block_t
*
GrabAudio
(
demux_t
*
p_demux
)
{
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
struct
audio_buf_info
buf_info
;
int
i_read
=
0
,
i_correct
;
block_t
*
p_block
;
if
(
p_sys
->
p_block_audio
)
p_block
=
p_sys
->
p_block_audio
;
else
p_block
=
block_New
(
p_demux
,
p_sys
->
i_audio_max_frame_size
);
if
(
!
p_block
)
{
msg_Warn
(
p_demux
,
"cannot get block"
);
return
0
;
}
p_sys
->
p_block_audio
=
p_block
;
#ifdef HAVE_ALSA
if
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_ALSA
)
{
/* ALSA */
i_read
=
snd_pcm_readi
(
p_sys
->
p_alsa_pcm
,
p_block
->
p_buffer
,
p_sys
->
i_alsa_chunk_size
);
if
(
i_read
<=
0
)
{
int
i_resume
;
switch
(
i_read
)
{
case
-
EAGAIN
:
break
;
case
-
EPIPE
:
/* xrun */
snd_pcm_prepare
(
p_sys
->
p_alsa_pcm
);
break
;
case
-
ESTRPIPE
:
/* suspend */
i_resume
=
snd_pcm_resume
(
p_sys
->
p_alsa_pcm
);
if
(
i_resume
<
0
&&
i_resume
!=
-
EAGAIN
)
snd_pcm_prepare
(
p_sys
->
p_alsa_pcm
);
break
;
default:
msg_Err
(
p_demux
,
"Failed to read alsa frame (%s)"
,
snd_strerror
(
i_read
)
);
return
0
;
}
}
else
{
/* convert from frames to bytes */
i_read
*=
p_sys
->
i_alsa_frame_size
;
}
}
else
#endif
if
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_OSS
)
{
/* OSS */
i_read
=
read
(
p_sys
->
i_fd_audio
,
p_block
->
p_buffer
,
p_sys
->
i_audio_max_frame_size
);
}
if
(
i_read
<=
0
)
return
0
;
p_block
->
i_buffer
=
i_read
;
p_sys
->
p_block_audio
=
0
;
/* Correct the date because of kernel buffering */
i_correct
=
i_read
;
if
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_OSS
)
{
/* OSS */
if
(
ioctl
(
p_sys
->
i_fd_audio
,
SNDCTL_DSP_GETISPACE
,
&
buf_info
)
==
0
)
{
i_correct
+=
buf_info
.
bytes
;
}
}
#ifdef HAVE_ALSA
else
if
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_ALSA
)
{
/* ALSA */
int
i_err
;
snd_pcm_sframes_t
delay
=
0
;
if
(
(
i_err
=
snd_pcm_delay
(
p_sys
->
p_alsa_pcm
,
&
delay
)
)
>=
0
)
{
size_t
i_correction_delta
=
delay
*
p_sys
->
i_alsa_frame_size
;
/* Test for overrun */
if
(
i_correction_delta
>
p_sys
->
i_audio_max_frame_size
)
{
msg_Warn
(
p_demux
,
"ALSA read overrun (%zu > %zu)"
,
i_correction_delta
,
p_sys
->
i_audio_max_frame_size
);
i_correction_delta
=
p_sys
->
i_audio_max_frame_size
;
snd_pcm_prepare
(
p_sys
->
p_alsa_pcm
);
}
i_correct
+=
i_correction_delta
;
}
else
{
/* delay failed so reset */
msg_Warn
(
p_demux
,
"ALSA snd_pcm_delay failed (%s)"
,
snd_strerror
(
i_err
)
);
snd_pcm_prepare
(
p_sys
->
p_alsa_pcm
);
}
}
#endif
/* Timestamp */
p_block
->
i_pts
=
p_block
->
i_dts
=
mdate
()
-
INT64_C
(
1000000
)
*
(
mtime_t
)
i_correct
/
2
/
(
p_sys
->
b_stereo
?
2
:
1
)
/
p_sys
->
i_sample_rate
;
return
p_block
;
}
/*****************************************************************************
/*****************************************************************************
* Helper function to initalise video IO using the Read method
* Helper function to initalise video IO using the Read method
*****************************************************************************/
*****************************************************************************/
...
@@ -1863,7 +1511,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
...
@@ -1863,7 +1511,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
struct
v4l2_format
fmt
;
struct
v4l2_format
fmt
;
unsigned
int
i_min
;
unsigned
int
i_min
;
enum
v4l2_buf_type
buf_type
;
enum
v4l2_buf_type
buf_type
;
c
har
*
psz_device
=
p_sys
->
psz_vdev
;
c
onst
char
*
psz_device
=
p_sys
->
psz_device
;
es_format_t
es_fmt
;
es_format_t
es_fmt
;
int
libv4l2_fd
;
int
libv4l2_fd
;
...
@@ -2205,7 +1853,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
...
@@ -2205,7 +1853,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
msg_Dbg
(
p_demux
,
"added new video es %4.4s %dx%d"
,
msg_Dbg
(
p_demux
,
"added new video es %4.4s %dx%d"
,
(
char
*
)
&
es_fmt
.
i_codec
,
es_fmt
.
video
.
i_width
,
es_fmt
.
video
.
i_height
);
(
char
*
)
&
es_fmt
.
i_codec
,
es_fmt
.
video
.
i_width
,
es_fmt
.
video
.
i_height
);
p_sys
->
p_es
_video
=
es_out_Add
(
p_demux
->
out
,
&
es_fmt
);
p_sys
->
p_es
=
es_out_Add
(
p_demux
->
out
,
&
es_fmt
);
/* Start Capture */
/* Start Capture */
...
@@ -2284,313 +1932,11 @@ open_failed:
...
@@ -2284,313 +1932,11 @@ open_failed:
}
}
#ifdef HAVE_ALSA
/*****************************************************************************
* ResolveALSADeviceName: Change any . to : in the ALSA device name
*****************************************************************************/
static
char
*
ResolveALSADeviceName
(
const
char
*
psz_device
)
{
char
*
psz_alsa_name
=
strdup
(
psz_device
);
for
(
unsigned
int
i
=
0
;
i
<
strlen
(
psz_device
);
i
++
)
{
if
(
psz_alsa_name
[
i
]
==
'.'
)
psz_alsa_name
[
i
]
=
':'
;
}
return
psz_alsa_name
;
}
#endif
/*****************************************************************************
* OpenAudioDev: open and set up the audio device and probe for capabilities
*****************************************************************************/
#ifdef HAVE_ALSA
static
int
OpenAudioDevAlsa
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
)
{
char
*
psz_device
=
p_sys
->
psz_adev
;
p_sys
->
p_alsa_pcm
=
NULL
;
char
*
psz_alsa_device_name
=
NULL
;
snd_pcm_hw_params_t
*
p_hw_params
=
NULL
;
snd_pcm_uframes_t
buffer_size
;
snd_pcm_uframes_t
chunk_size
;
/* ALSA */
int
i_err
;
psz_alsa_device_name
=
ResolveALSADeviceName
(
psz_device
?:
ALSA_DEFAULT
);
if
(
(
i_err
=
snd_pcm_open
(
&
p_sys
->
p_alsa_pcm
,
psz_alsa_device_name
,
SND_PCM_STREAM_CAPTURE
,
SND_PCM_NONBLOCK
)
)
<
0
)
{
msg_Err
(
p_this
,
"Cannot open ALSA audio device %s (%s)"
,
psz_alsa_device_name
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
if
(
(
i_err
=
snd_pcm_nonblock
(
p_sys
->
p_alsa_pcm
,
1
)
)
<
0
)
{
msg_Err
(
p_this
,
"Cannot set ALSA nonblock (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Begin setting hardware parameters */
if
(
(
i_err
=
snd_pcm_hw_params_malloc
(
&
p_hw_params
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot allocate hardware parameter structure (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
if
(
(
i_err
=
snd_pcm_hw_params_any
(
p_sys
->
p_alsa_pcm
,
p_hw_params
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot initialize hardware parameter structure (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Set Interleaved access */
if
(
(
i_err
=
snd_pcm_hw_params_set_access
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
SND_PCM_ACCESS_RW_INTERLEAVED
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set access type (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Set 16 bit little endian */
if
(
(
i_err
=
snd_pcm_hw_params_set_format
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
SND_PCM_FORMAT_S16_LE
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set sample format (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Set sample rate */
#ifdef HAVE_ALSA_NEW_API
i_err
=
snd_pcm_hw_params_set_rate_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
&
p_sys
->
i_sample_rate
,
NULL
);
#else
i_err
=
snd_pcm_hw_params_set_rate_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
p_sys
->
i_sample_rate
,
NULL
);
#endif
if
(
i_err
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set sample rate (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Set channels */
unsigned
int
channels
=
p_sys
->
b_stereo
?
2
:
1
;
if
(
(
i_err
=
snd_pcm_hw_params_set_channels
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
channels
)
)
<
0
)
{
channels
=
(
channels
==
1
)
?
2
:
1
;
msg_Warn
(
p_this
,
"ALSA: cannot set channel count (%s). "
"Trying with channels=%d"
,
snd_strerror
(
i_err
),
channels
);
if
(
(
i_err
=
snd_pcm_hw_params_set_channels
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
channels
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set channel count (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
p_sys
->
b_stereo
=
(
channels
==
2
);
}
/* Set metrics for buffer calculations later */
unsigned
int
buffer_time
;
if
(
(
i_err
=
snd_pcm_hw_params_get_buffer_time_max
(
p_hw_params
,
&
buffer_time
,
0
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot get buffer time max (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
if
(
buffer_time
>
500000
)
buffer_time
=
500000
;
/* Set period time */
unsigned
int
period_time
=
buffer_time
/
4
;
#ifdef HAVE_ALSA_NEW_API
i_err
=
snd_pcm_hw_params_set_period_time_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
&
period_time
,
0
);
#else
i_err
=
snd_pcm_hw_params_set_period_time_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
period_time
,
0
);
#endif
if
(
i_err
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set period time (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Set buffer time */
#ifdef HAVE_ALSA_NEW_API
i_err
=
snd_pcm_hw_params_set_buffer_time_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
&
buffer_time
,
0
);
#else
i_err
=
snd_pcm_hw_params_set_buffer_time_near
(
p_sys
->
p_alsa_pcm
,
p_hw_params
,
buffer_time
,
0
);
#endif
if
(
i_err
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set buffer time (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Apply new hardware parameters */
if
(
(
i_err
=
snd_pcm_hw_params
(
p_sys
->
p_alsa_pcm
,
p_hw_params
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot set hw parameters (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
/* Get various buffer metrics */
snd_pcm_hw_params_get_period_size
(
p_hw_params
,
&
chunk_size
,
0
);
snd_pcm_hw_params_get_buffer_size
(
p_hw_params
,
&
buffer_size
);
if
(
chunk_size
==
buffer_size
)
{
msg_Err
(
p_this
,
"ALSA: period cannot equal buffer size (%lu == %lu)"
,
chunk_size
,
buffer_size
);
goto
adev_fail
;
}
int
bits_per_sample
=
snd_pcm_format_physical_width
(
SND_PCM_FORMAT_S16_LE
);
int
bits_per_frame
=
bits_per_sample
*
channels
;
p_sys
->
i_alsa_chunk_size
=
chunk_size
;
p_sys
->
i_alsa_frame_size
=
bits_per_frame
/
8
;
p_sys
->
i_audio_max_frame_size
=
chunk_size
*
bits_per_frame
/
8
;
snd_pcm_hw_params_free
(
p_hw_params
);
p_hw_params
=
NULL
;
/* Prep device */
if
(
(
i_err
=
snd_pcm_prepare
(
p_sys
->
p_alsa_pcm
)
)
<
0
)
{
msg_Err
(
p_this
,
"ALSA: cannot prepare audio interface for use (%s)"
,
snd_strerror
(
i_err
)
);
goto
adev_fail
;
}
free
(
psz_alsa_device_name
);
if
(
!
p_sys
->
psz_adev
)
p_sys
->
psz_adev
=
strdup
(
ALSA_DEFAULT
);
/* Return a fake handle so other tests work */
return
1
;
adev_fail:
if
(
p_hw_params
)
snd_pcm_hw_params_free
(
p_hw_params
);
if
(
p_sys
->
p_alsa_pcm
)
snd_pcm_close
(
p_sys
->
p_alsa_pcm
);
free
(
psz_alsa_device_name
);
return
-
1
;
}
#endif
static
int
OpenAudioDevOss
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
)
{
int
i_fd
=
0
;
int
i_format
;
/* OSS */
char
*
psz_oss_device_name
=
strdup
(
p_sys
->
psz_adev
?
p_sys
->
psz_adev
:
OSS_DEFAULT
);
if
(
(
i_fd
=
open
(
psz_oss_device_name
,
O_RDONLY
|
O_NONBLOCK
))
<
0
)
{
msg_Err
(
p_this
,
"cannot open OSS audio device (%m)"
);
goto
adev_fail
;
}
i_format
=
AFMT_S16_LE
;
if
(
ioctl
(
i_fd
,
SNDCTL_DSP_SETFMT
,
&
i_format
)
<
0
||
i_format
!=
AFMT_S16_LE
)
{
msg_Err
(
p_this
,
"cannot set audio format (16b little endian) (%m)"
);
goto
adev_fail
;
}
if
(
ioctl
(
i_fd
,
SNDCTL_DSP_STEREO
,
&
p_sys
->
b_stereo
)
<
0
)
{
msg_Err
(
p_this
,
"cannot set audio channels count (%m)"
);
goto
adev_fail
;
}
if
(
ioctl
(
i_fd
,
SNDCTL_DSP_SPEED
,
&
p_sys
->
i_sample_rate
)
<
0
)
{
msg_Err
(
p_this
,
"cannot set audio sample rate (%m)"
);
goto
adev_fail
;
}
p_sys
->
i_audio_max_frame_size
=
6
*
1024
;
if
(
!
p_sys
->
psz_adev
)
p_sys
->
psz_adev
=
strdup
(
OSS_DEFAULT
);
free
(
psz_oss_device_name
);
return
i_fd
;
adev_fail:
free
(
psz_oss_device_name
);
if
(
i_fd
>=
0
)
close
(
i_fd
);
return
-
1
;
}
static
int
OpenAudioDev
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
,
bool
b_demux
)
{
char
*
psz_device
;
int
i_fd
=
-
1
;
#ifdef HAVE_ALSA
if
(
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_ALSA
)
&&
i_fd
<
0
)
i_fd
=
OpenAudioDevAlsa
(
p_this
,
p_sys
);
#endif
if
(
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_OSS
)
&&
i_fd
<
0
)
i_fd
=
OpenAudioDevOss
(
p_this
,
p_sys
);
if
(
i_fd
<
0
)
return
i_fd
;
psz_device
=
p_sys
->
psz_adev
;
msg_Dbg
(
p_this
,
"opened adev=`%s' %s %dHz"
,
psz_device
,
p_sys
->
b_stereo
?
"stereo"
:
"mono"
,
p_sys
->
i_sample_rate
);
es_format_t
fmt
;
es_format_Init
(
&
fmt
,
AUDIO_ES
,
VLC_FOURCC
(
'a'
,
'r'
,
'a'
,
'w'
)
);
fmt
.
audio
.
i_channels
=
p_sys
->
b_stereo
?
2
:
1
;
fmt
.
audio
.
i_rate
=
p_sys
->
i_sample_rate
;
fmt
.
audio
.
i_bitspersample
=
16
;
fmt
.
audio
.
i_blockalign
=
fmt
.
audio
.
i_channels
*
fmt
.
audio
.
i_bitspersample
/
8
;
fmt
.
i_bitrate
=
fmt
.
audio
.
i_channels
*
fmt
.
audio
.
i_rate
*
fmt
.
audio
.
i_bitspersample
;
msg_Dbg
(
p_this
,
"new audio es %d channels %dHz"
,
fmt
.
audio
.
i_channels
,
fmt
.
audio
.
i_rate
);
if
(
b_demux
)
{
demux_t
*
p_demux
=
(
demux_t
*
)
p_this
;
p_sys
->
p_es_audio
=
es_out_Add
(
p_demux
->
out
,
&
fmt
);
}
return
i_fd
;
}
/*****************************************************************************
/*****************************************************************************
* ProbeVideoDev: probe video for capabilities
* ProbeVideoDev: probe video for capabilities
*****************************************************************************/
*****************************************************************************/
static
bool
ProbeVideoDev
(
vlc_object_t
*
p_obj
,
demux_sys_t
*
p_sys
,
static
bool
ProbeVideoDev
(
vlc_object_t
*
p_obj
,
demux_sys_t
*
p_sys
,
char
*
psz_device
)
c
onst
c
har
*
psz_device
)
{
{
int
i_index
;
int
i_index
;
int
i_standard
;
int
i_standard
;
...
@@ -2600,7 +1946,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
...
@@ -2600,7 +1946,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
if
(
(
i_fd
=
open
(
psz_device
,
O_RDWR
)
)
<
0
)
if
(
(
i_fd
=
open
(
psz_device
,
O_RDWR
)
)
<
0
)
{
{
msg_Err
(
p_obj
,
"cannot open video device
(%m)"
);
msg_Err
(
p_obj
,
"cannot open video device
'%s' (%m)"
,
psz_device
);
goto
open_failed
;
goto
open_failed
;
}
}
...
@@ -2921,83 +2267,6 @@ open_failed:
...
@@ -2921,83 +2267,6 @@ open_failed:
}
}
/*****************************************************************************
* ProbeAudioDev: probe audio for capabilities
*****************************************************************************/
#ifdef HAVE_ALSA
static
bool
ProbeAudioDevAlsa
(
vlc_object_t
*
p_this
,
char
*
psz_device
)
{
int
i_err
;
snd_pcm_t
*
p_alsa_pcm
;
char
*
psz_alsa_device_name
=
ResolveALSADeviceName
(
psz_device
?:
ALSA_DEFAULT
);
if
(
(
i_err
=
snd_pcm_open
(
&
p_alsa_pcm
,
psz_alsa_device_name
,
SND_PCM_STREAM_CAPTURE
,
SND_PCM_NONBLOCK
)
)
<
0
)
{
msg_Err
(
p_this
,
"cannot open device %s for ALSA audio (%s)"
,
psz_alsa_device_name
,
snd_strerror
(
i_err
)
);
free
(
psz_alsa_device_name
);
return
false
;
}
snd_pcm_close
(
p_alsa_pcm
);
free
(
psz_alsa_device_name
);
return
true
;
}
#endif
static
bool
ProbeAudioDevOss
(
vlc_object_t
*
p_this
,
char
*
psz_device
)
{
int
i_fd
=
0
;
int
i_caps
;
char
*
psz_oss_device_name
=
strdup
(
psz_device
?
psz_device
:
OSS_DEFAULT
);
if
(
(
i_fd
=
open
(
psz_oss_device_name
,
O_RDONLY
|
O_NONBLOCK
)
)
<
0
)
{
msg_Err
(
p_this
,
"cannot open device %s for OSS audio (%m)"
,
psz_oss_device_name
);
goto
open_failed
;
}
/* this will fail if the device is video */
if
(
ioctl
(
i_fd
,
SNDCTL_DSP_GETCAPS
,
&
i_caps
)
<
0
)
{
msg_Err
(
p_this
,
"cannot get audio caps (%m)"
);
goto
open_failed
;
}
free
(
psz_oss_device_name
);
if
(
i_fd
>=
0
)
close
(
i_fd
);
return
true
;
open_failed:
free
(
psz_oss_device_name
);
if
(
i_fd
>=
0
)
close
(
i_fd
);
return
false
;
}
static
bool
ProbeAudioDev
(
vlc_object_t
*
p_this
,
demux_sys_t
*
p_sys
,
char
*
psz_device
)
{
#ifdef HAVE_ALSA
if
(
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_ALSA
)
&&
ProbeAudioDevAlsa
(
p_this
,
psz_device
)
)
{
p_sys
->
i_audio_method
=
AUDIO_METHOD_ALSA
;
return
true
;
}
#endif
if
(
(
p_sys
->
i_audio_method
&
AUDIO_METHOD_OSS
)
&&
ProbeAudioDevOss
(
p_this
,
psz_device
)
)
{
p_sys
->
i_audio_method
=
AUDIO_METHOD_OSS
;
return
true
;
}
p_sys
->
i_audio_method
=
0
;
return
false
;
}
static
void
name2var
(
unsigned
char
*
name
)
static
void
name2var
(
unsigned
char
*
name
)
{
{
for
(
;
*
name
;
name
++
)
for
(
;
*
name
;
name
++
)
...
@@ -3550,7 +2819,7 @@ static int DemuxControlCallback( vlc_object_t *p_this,
...
@@ -3550,7 +2819,7 @@ static int DemuxControlCallback( vlc_object_t *p_this,
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
int
i_cid
=
(
long
int
)
p_data
;
int
i_cid
=
(
long
int
)
p_data
;
int
i_fd
=
p_sys
->
i_fd
_video
;
int
i_fd
=
p_sys
->
i_fd
;
if
(
i_fd
<
0
)
if
(
i_fd
<
0
)
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
@@ -3567,7 +2836,7 @@ static int DemuxControlResetCallback( vlc_object_t *p_this,
...
@@ -3567,7 +2836,7 @@ static int DemuxControlResetCallback( vlc_object_t *p_this,
demux_t
*
p_demux
=
(
demux_t
*
)
p_this
;
demux_t
*
p_demux
=
(
demux_t
*
)
p_this
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
int
i_fd
=
p_sys
->
i_fd
_video
;
int
i_fd
=
p_sys
->
i_fd
;
if
(
i_fd
<
0
)
if
(
i_fd
<
0
)
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
@@ -3586,7 +2855,7 @@ static int AccessControlCallback( vlc_object_t *p_this,
...
@@ -3586,7 +2855,7 @@ static int AccessControlCallback( vlc_object_t *p_this,
demux_sys_t
*
p_sys
=
(
demux_sys_t
*
)
p_access
->
p_sys
;
demux_sys_t
*
p_sys
=
(
demux_sys_t
*
)
p_access
->
p_sys
;
int
i_cid
=
(
long
int
)
p_data
;
int
i_cid
=
(
long
int
)
p_data
;
int
i_fd
=
p_sys
->
i_fd
_video
;
int
i_fd
=
p_sys
->
i_fd
;
if
(
i_fd
<
0
)
if
(
i_fd
<
0
)
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
@@ -3603,7 +2872,7 @@ static int AccessControlResetCallback( vlc_object_t *p_this,
...
@@ -3603,7 +2872,7 @@ static int AccessControlResetCallback( vlc_object_t *p_this,
access_t
*
p_access
=
(
access_t
*
)
p_this
;
access_t
*
p_access
=
(
access_t
*
)
p_this
;
demux_sys_t
*
p_sys
=
(
demux_sys_t
*
)
p_access
->
p_sys
;
demux_sys_t
*
p_sys
=
(
demux_sys_t
*
)
p_access
->
p_sys
;
int
i_fd
=
p_sys
->
i_fd
_video
;
int
i_fd
=
p_sys
->
i_fd
;
if
(
i_fd
<
0
)
if
(
i_fd
<
0
)
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
...
...
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