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Update and add documentation for platform specific plugins (sys).

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Link to properties. Correct titles for examples. Fix examples.
This commit is contained in:
Stefan Kost 2009-01-29 10:10:08 +02:00
parent bdb07d50be
commit 6335307b97
15 changed files with 93 additions and 170 deletions
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16
sys/directdraw/gstdirectdrawsink.c
View file

@ -25,21 +25,17 @@
/**
* SECTION:element-directdrawsink
*
* <refsect2>
* <para>
* DirectdrawSink renders video RGB frames to any win32 window. This element
* can receive a window ID from the application through the XOverlay interface
* can receive a window ID from the application through the #XOverlay interface
* and will then render video frames in this window.
* If no Window ID was provided by the application, the element will create its
* own internal window and render into it.
* </para>
* <title>Examples</title>
* <para>
* Here is a simple pipeline to test the sink :
* <programlisting>
*
* <refsect2>
* <title>Example pipelines</title>
* |[
* gst-launch-0.10 -v videotestsrc ! directdrawsink
* </programlisting>
* </para>
* ]| a simple pipeline to test the sink
* </refsect2>
*/

23
sys/directsound/gstdirectsoundsink.c
View file

@ -27,32 +27,23 @@
/**
* SECTION:element-directsoundsink
* @short_description: output sound using Directsound API
*
* <refsect2>
* <para>
* This element lets you output sound using the DirectSound API.
* </para>
* <para>
*
* Note that you should almost always use generic audio conversion elements
* like audioconvert and audioresample in front of an audiosink to make sure
* your pipeline works under all circumstances (those conversion elements will
* act in passthrough-mode if no conversion is necessary).
* </para>
*
* <refsect2>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* |[
* gst-launch-0.10 -v audiotestsrc ! audioconvert ! volume volume=0.1 ! directsoundsink
* </programlisting>
* will output a sine wave (continuous beep sound) to your sound card (with
* ]| will output a sine wave (continuous beep sound) to your sound card (with
* a very low volume as precaution).
* </para>
* <para>
* <programlisting>
* |[
* gst-launch-0.10 -v filesrc location=music.ogg ! decodebin ! audioconvert ! audioresample ! directsoundsink
* </programlisting>
* will play an Ogg/Vorbis audio file and output it.
* </para>
* ]| will play an Ogg/Vorbis audio file and output it.
* </refsect2>
*/

12
sys/oss/gstossmixerelement.c
View file

@ -19,15 +19,13 @@
/**
* SECTION:element-ossmixer
* @short_description: element to control sound input and output levels with OSS
*
* This element lets you adjust sound input and output levels with the
* Open Sound System (OSS). It supports the #GstMixer interface, which can be
* used to obtain a list of available mixer tracks. Set the mixer element to
* READY state before using the #GstMixer interface on it.
*
* <refsect2>
* <para>
* This element lets you adjust sound input and output levels with the
* Open Sound System (OSS). It supports the GstMixer interface, which can be
* used to obtain a list of available mixer tracks. Set the mixer element to
* READY state before using the GstMixer interface on it.
* </para>
* <title>Example pipelines</title>
* <para>
* ossmixer can't be used in a sensible way in gst-launch.

24
sys/oss/gstosssink.c
View file

@ -22,32 +22,23 @@
/**
* SECTION:element-osssink
* @short_description: output sound using OSS
*
* <refsect2>
* <para>
* This element lets you output sound using the Open Sound System (OSS).
* </para>
* <para>
*
* Note that you should almost always use generic audio conversion elements
* like audioconvert and audioresample in front of an audiosink to make sure
* your pipeline works under all circumstances (those conversion elements will
* act in passthrough-mode if no conversion is necessary).
* </para>
*
* <refsect2>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* |[
* gst-launch -v audiotestsrc ! audioconvert ! volume volume=0.1 ! osssink
* </programlisting>
* will output a sine wave (continuous beep sound) to your sound card (with
* ]| will output a sine wave (continuous beep sound) to your sound card (with
* a very low volume as precaution).
* </para>
* <para>
* <programlisting>
* |[
* gst-launch -v filesrc location=music.ogg ! decodebin ! audioconvert ! audioresample ! osssink
* </programlisting>
* will play an Ogg/Vorbis audio file and output it using the Open Sound System.
* </para>
* ]| will play an Ogg/Vorbis audio file and output it using the Open Sound System.
* </refsect2>
*/
@ -197,6 +188,7 @@ gst_oss_sink_base_init (gpointer g_class)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&osssink_sink_factory));
}
static void
gst_oss_sink_class_init (GstOssSinkClass * klass)
{

14
sys/oss/gstosssrc.c
View file

@ -22,21 +22,16 @@
/**
* SECTION:element-osssrc
* @short_description: record sound from your sound card using OSS
*
* This element lets you record sound using the Open Sound System (OSS).
*
* <refsect2>
* <para>
* This element lets you record sound using the Open Sound System (OSS).
* </para>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* |[
* gst-launch -v osssrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=mymusic.ogg
* </programlisting>
* will record sound from your sound card using OSS and encode it to an
* ]| will record sound from your sound card using OSS and encode it to an
* Ogg/Vorbis file (this will only work if your mixer settings are right
* and the right inputs enabled etc.)
* </para>
* </refsect2>
*/
@ -147,6 +142,7 @@ gst_oss_src_base_init (gpointer g_class)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&osssrc_src_factory));
}
static void
gst_oss_src_class_init (GstOssSrcClass * klass)
{

20
sys/osxaudio/gstosxaudio.c
View file

@ -23,26 +23,6 @@
*
*/
/**
* SECTION:element-osxaudiosink
* @short_description: play audio to an CoreAudio device
*
* <refsect2>
* <para>
* This element renders raw audio samples using the CoreAudio api.
* </para>
* <title>Example pipelines</title>
* <para>
* Play an Ogg/Vorbis file.
* </para>
* <programlisting>
* gst-launch -v filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! audioresample ! osxaudiosink
* </programlisting>
* </refsect2>
*
* Last reviewed on 2006-03-01 (0.10.4)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

16
sys/osxaudio/gstosxaudiosink.c
View file

@ -47,16 +47,18 @@
*/
/**
* SECTION:element-plugin
* SECTION:element-osxaudiosink
*
* This element renders raw audio samples using the CoreAudio api.
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v -m audiotestsrc ! audioconvert ! osxaudiosink
* </programlisting>
* </para>
* <title>Example pipelines</title>
* |[
* gst-launch filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! audioresample ! osxaudiosink
* ]| Play an Ogg/Vorbis file.
* </refsect2>
*
* Last reviewed on 2006-03-01 (0.10.4)
*/
#ifdef HAVE_CONFIG_H

12
sys/osxaudio/gstosxaudiosrc.c
View file

@ -43,15 +43,15 @@
*/
/**
* SECTION:element-plugin
* SECTION:element-osxaudiosrc
*
* This element captures raw audio samples using the CoreAudio api.
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v -m osxaudiosrc ! fakesink
* </programlisting>
* </para>
* |[
* gst-launch osxaudiosrc ! wavenc ! filesink location=audio.wav
* ]|
* </refsect2>
*/

24
sys/osxvideo/osxvideosink.m
View file

@ -26,23 +26,19 @@
/**
* SECTION:element-osxvideosink
*
* <refsect2>
* <para>
* The OSXVideoSink renders video frames to a MacOSX window. The video output
* can be directed to a window embedded in an existing NSApp. This can be done
* by setting the "embed" property to #TRUE. When the NSView to be embedded is
* created an element #GstMessage with a name of 'have-ns-view' will be created
* and posted on the bus. The pointer to the NSView to embed will be in the
* 'nsview' field of that message. If no embedding is requested, the plugin will
* create a standalone window.
* </para>
* by setting the #GstOSXVideoSink:embed property to %TRUE. When the NSView to
* be embedded is created an element #GstMessage with a name of 'have-ns-view'
* will be created and posted on the bus. The pointer to the NSView to embed
* will be in the 'nsview' field of that message. If no embedding is requested,
* the plugin will create a standalone window.
*
* <refsect2>
* <title>Examples</title>
* <para>
* Simple timeline to test the sink :
* <programlisting>
* gst-launch-0.10 -v videotestsrc ! osxvideosink
* </programlisting>
* </para>
* |[
* gst-launch-0.10 videotestsrc ! osxvideosink
* ]| test the sink
* </refsect2>
*/

4
sys/sunaudio/gstsunaudiomixer.c
View file

@ -22,12 +22,8 @@
/**
* SECTION:element-sunaudiomixer
*
* <refsect2>
* <para>
* sunaudiomixer is an mixer that controls the sound input and output
* levels with the Sun Audio interface available in Solaris.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H

13
sys/sunaudio/gstsunaudiosink.c
View file

@ -24,17 +24,14 @@
/**
* SECTION:element-sunaudiosink
*
* <refsect2>
* <para>
* sunaudiosink is an audio sink designed to work with the Sun Audio
* interface available in Solaris.
* </para>
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v sinesrc ! sunaudiosink
* </programlisting>
* </para>
* |[
* gst-launch audiotestsrc volume=0.5 ! sunaudiosink
* ]|
* </refsect2>
*/

14
sys/sunaudio/gstsunaudiosrc.c
View file

@ -24,18 +24,14 @@
/**
* SECTION:element-sunaudiosrc
*
* <refsect2>
* <para>
* sunaudiosrc is an audio source designed to work with the Sun Audio
* interface available in Solaris.
* </para>
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
*
* gst-launch sunaudiosrc ! filesink location=outfile
* </programlisting>
* </para>
* |[
* gst-launch sunaudiosrc ! wavenc ! filesink location=audio.wav
* ]|
* </refsect2>
*/

18
sys/v4l2/gstv4l2src.c
View file

@ -24,23 +24,19 @@
/**
* SECTION:element-v4l2src
*
* v4l2src can be used to capture video from v4l2 devices, like webcams and tv
* cards.
*
* <refsect2>
* v4l2src can be used to capture video from v4l2 devices, like webcams and tv cards.
* <title>Example launch lines</title>
* <para>
* <programlisting>
* |[
* gst-launch v4l2src ! xvimagesink
* </programlisting>
* This pipeline shows the video captured from /dev/video0 tv card and for
* ]| This pipeline shows the video captured from /dev/video0 tv card and for
* webcams.
* </para>
* <para>
* <programlisting>
* |[
* gst-launch-0.10 v4l2src ! jpegdec ! xvimagesink
* </programlisting>
* This pipeline shows the video captured from a webcam that delivers jpeg
* ]| This pipeline shows the video captured from a webcam that delivers jpeg
* images.
* </para>
* </refsect2>
*/

28
sys/waveform/gstwaveformsink.c
View file

@ -21,32 +21,23 @@
/**
* SECTION:element-waveformsink
* @short_description: output sound using WaveForm API
*
* <refsect2>
* <para>
* This element lets you output sound using the WaveForm API.
* </para>
* <para>
* This element lets you output sound using the Windows WaveForm API.
*
* Note that you should almost always use generic audio conversion elements
* like audioconvert and audioresample in front of an audiosink to make sure
* your pipeline works under all circumstances (those conversion elements will
* act in passthrough-mode if no conversion is necessary).
* </para>
*
* <refsect2>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* |[
* gst-launch-0.10 -v audiotestsrc ! audioconvert ! volume volume=0.1 ! waveformsink
* </programlisting>
* will output a sine wave (continuous beep sound) to your sound card (with
* ]| will output a sine wave (continuous beep sound) to your sound card (with
* a very low volume as precaution).
* </para>
* <para>
* <programlisting>
* |[
* gst-launch-0.10 -v filesrc location=music.ogg ! decodebin ! audioconvert ! audioresample ! waveformsink
* </programlisting>
* will play an Ogg/Vorbis audio file and output it.
* </para>
* ]| will play an Ogg/Vorbis audio file and output it.
* </refsect2>
*/
@ -435,8 +426,7 @@ gst_waveform_sink_unprepare (GstAudioSink * asink)
for (index = 0; index < wfsink->buffer_count; index++) {
if (wfsink->wave_buffers[index].dwFlags & WHDR_PREPARED) {
MMRESULT mmresult =
waveOutUnprepareHeader (wfsink->hwaveout,
MMRESULT mmresult = waveOutUnprepareHeader (wfsink->hwaveout,
&wfsink->wave_buffers[index], sizeof (WAVEHDR));
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string,

25
sys/ximage/gstximagesrc.c
View file

@ -20,23 +20,18 @@
/**
* SECTION:element-ximagesrc
* @short_description: a source that captures your X Display
*
* <refsect2>
* <para>
* This element captures your X Display and creates raw RGB video. It uses
* the XDamage extension if available to only capture areas of the screen that
* have changed since the last frame. It uses the XFixes extension if
* available to also capture your mouse pointer. By default it will fixate to
* 25 frames per second.
* </para>
*
* <refsect2>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* gst-launch -v ximagesrc ! video/x-raw-rgb,framerate=5/1 ! ffmpegcolorspace ! theoraenc ! oggmux ! filesink location=desktop.ogg
* </programlisting>
* Encodes your X display to an Ogg theora video at 5 frames per second.
* </para>
* |[
* gst-launch ximagesrc ! video/x-raw-rgb,framerate=5/1 ! ffmpegcolorspace ! theoraenc ! oggmux ! filesink location=desktop.ogg
* ]| Encodes your X display to an Ogg theora video at 5 frames per second.
* </refsect2>
*/
@ -941,12 +936,14 @@ gst_ximage_src_get_caps (GstBaseSrc * bs)
gint x, y, width, height;
if ((!s->xcontext) && (!gst_ximage_src_open_display (s, s->display_name)))
return gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->
srcpad));
return
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC
(s)->srcpad));
if (!gst_ximage_src_recalc (s))
return gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->
srcpad));
return
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC
(s)->srcpad));
xcontext = s->xcontext;