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camerabin: adding audio related properties

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Adds 4 audio properties related to audio recording
* audio-src
* mute
* audio-supported-capture-caps
* audio-capture-caps
This commit is contained in:
Thiago Santos 2011-01-21 10:56:52 -03:00
parent abdb0bbfa6
commit 8fe75f8067
2 changed files with 99 additions and 8 deletions
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106
gst/camerabin2/gstcamerabin2.c
View file

@ -81,7 +81,11 @@ enum
PROP_PREVIEW_FILTER,
PROP_VIEWFINDER_SINK,
PROP_VIEWFINDER_SUPPORTED_CAPS,
PROP_VIEWFINDER_CAPS
PROP_VIEWFINDER_CAPS,
PROP_AUDIO_SRC,
PROP_MUTE_AUDIO,
PROP_AUDIO_CAPTURE_SUPPORTED_CAPS,
PROP_AUDIO_CAPTURE_CAPS
};
enum
@ -98,6 +102,7 @@ static guint camerabin_signals[LAST_SIGNAL];
#define DEFAULT_VID_LOCATION "vid_%d"
#define DEFAULT_IMG_LOCATION "img_%d"
#define DEFAULT_POST_PREVIEWS TRUE
#define DEFAULT_MUTE_AUDIO FALSE
#define DEFAULT_AUDIO_SRC "autoaudiosrc"
@ -401,6 +406,32 @@ gst_camera_bin_class_init (GstCameraBinClass * klass)
"The camera source element to be used",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_AUDIO_SRC,
g_param_spec_object ("audio-src", "Audio source",
"The audio source element to be used on video recordings",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MUTE_AUDIO,
g_param_spec_boolean ("mute", "Mute",
"If the audio recording should be muted. Note that this still "
"saves audio data to the resulting file, but they are silent. Use "
"a video-profile without audio to disable audio completely",
DEFAULT_MUTE_AUDIO, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_AUDIO_CAPTURE_SUPPORTED_CAPS,
g_param_spec_boxed ("audio-capture-supported-caps",
"Audio capture supported caps",
"Formats supported for capturing audio represented as GstCaps",
GST_TYPE_CAPS, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_AUDIO_CAPTURE_CAPS,
g_param_spec_boxed ("audio-capture-caps",
"Audio capture caps",
"Format to capture audio for video recording represented as GstCaps",
GST_TYPE_CAPS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_IMAGE_CAPTURE_SUPPORTED_CAPS,
g_param_spec_boxed ("image-capture-supported-caps",
@ -441,8 +472,8 @@ gst_camera_bin_class_init (GstCameraBinClass * klass)
g_object_class_install_property (object_class, PROP_VIDEO_ENCODING_PROFILE,
gst_param_spec_mini_object ("video-profile", "Video Profile",
"The GstEncodingProfile to use for video recording",
GST_TYPE_ENCODING_PROFILE,
"The GstEncodingProfile to use for video recording. Audio is enabled "
"when this profile supports audio.", GST_TYPE_ENCODING_PROFILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_IMAGE_FILTER,
@ -546,9 +577,10 @@ gst_camera_bin_init (GstCameraBin * camera)
gst_object_ref (camera->imagebin_capsfilter),
gst_object_ref (camera->viewfinderbin_capsfilter), NULL);
/* this element is only added if it is going to be used */
/* these elements are only added if they are going to be used */
camera->audio_capsfilter = gst_element_factory_make ("capsfilter",
"audio-capsfilter");
camera->audio_volume = gst_element_factory_make ("volume", "audio-volume");
}
static void
@ -886,6 +918,7 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
|| !has_audio) {
gst_bin_remove (GST_BIN_CAST (camera), camera->audio_src);
gst_bin_remove (GST_BIN_CAST (camera), camera->audio_queue);
gst_bin_remove (GST_BIN_CAST (camera), camera->audio_volume);
gst_bin_remove (GST_BIN_CAST (camera), camera->audio_capsfilter);
gst_bin_remove (GST_BIN_CAST (camera), camera->audio_convert);
gst_object_unref (camera->audio_src);
@ -908,11 +941,13 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
if (new_audio_src) {
gst_bin_add (GST_BIN_CAST (camera), gst_object_ref (camera->audio_src));
gst_bin_add (GST_BIN_CAST (camera), gst_object_ref (camera->audio_queue));
gst_bin_add (GST_BIN_CAST (camera), gst_object_ref (camera->audio_volume));
gst_bin_add (GST_BIN_CAST (camera),
gst_object_ref (camera->audio_capsfilter));
gst_bin_add (GST_BIN_CAST (camera), gst_object_ref (camera->audio_convert));
gst_element_link_many (camera->audio_src, camera->audio_queue,
camera->audio_volume,
camera->audio_capsfilter, camera->audio_convert, NULL);
{
GstPad *srcpad;
@ -986,6 +1021,20 @@ gst_camera_bin_set_location (GstCameraBin * camera, const gchar * location)
}
}
static void
gst_camera_bin_set_audio_src (GstCameraBin * camera, GstElement * src)
{
GST_DEBUG_OBJECT (GST_OBJECT (camera),
"Setting audio source %" GST_PTR_FORMAT, src);
if (camera->user_audio_src)
g_object_unref (camera->user_audio_src);
if (src)
g_object_ref (src);
camera->user_audio_src = src;
}
static void
gst_camera_bin_set_camera_src (GstCameraBin * camera, GstElement * src)
{
@ -1016,6 +1065,22 @@ gst_camera_bin_set_property (GObject * object, guint prop_id,
case PROP_CAMERA_SRC:
gst_camera_bin_set_camera_src (camera, g_value_get_object (value));
break;
case PROP_AUDIO_SRC:
gst_camera_bin_set_audio_src (camera, g_value_get_object (value));
break;
case PROP_MUTE_AUDIO:
g_object_set (camera->audio_volume, "mute", g_value_get_boolean (value),
NULL);
break;
case PROP_AUDIO_CAPTURE_CAPS:{
GST_DEBUG_OBJECT (camera,
"Setting audio capture caps to %" GST_PTR_FORMAT,
gst_value_get_caps (value));
g_object_set (camera->audio_capsfilter, "caps",
gst_value_get_caps (value), NULL);
}
break;
case PROP_IMAGE_CAPTURE_CAPS:{
GstPad *pad = NULL;
@ -1164,23 +1229,41 @@ gst_camera_bin_get_property (GObject * object, guint prop_id,
case PROP_CAMERA_SRC:
g_value_set_object (value, camera->src);
break;
case PROP_AUDIO_SRC:
g_value_set_object (value, camera->audio_src);
break;
case PROP_MUTE_AUDIO:{
gboolean mute;
g_object_get (camera->audio_volume, "mute", &mute, NULL);
g_value_set_boolean (value, mute);
break;
}
case PROP_AUDIO_CAPTURE_SUPPORTED_CAPS:
case PROP_VIDEO_CAPTURE_SUPPORTED_CAPS:
case PROP_VIEWFINDER_SUPPORTED_CAPS:
case PROP_IMAGE_CAPTURE_SUPPORTED_CAPS:{
GstPad *pad;
GstElement *element;
GstCaps *caps;
const gchar *padname;
if (prop_id == PROP_VIDEO_CAPTURE_SUPPORTED_CAPS) {
element = camera->src;
padname = GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME;
} else if (prop_id == PROP_IMAGE_CAPTURE_SUPPORTED_CAPS) {
element = camera->src;
padname = GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME;
} else {
} else if (prop_id == PROP_VIEWFINDER_SUPPORTED_CAPS) {
element = camera->src;
padname = GST_BASE_CAMERA_SRC_VIEWFINDER_PAD_NAME;
} else {
element = camera->audio_src;
padname = "src";
}
if (camera->src) {
pad = gst_element_get_static_pad (camera->src, padname);
if (element) {
pad = gst_element_get_static_pad (element, padname);
g_assert (pad != NULL);
@ -1197,11 +1280,18 @@ gst_camera_bin_get_property (GObject * object, guint prop_id,
gst_object_unref (pad);
} else {
GST_DEBUG_OBJECT (camera, "Camera source not created, can't get "
GST_DEBUG_OBJECT (camera, "Source not created, can't get "
"supported caps");
}
}
break;
case PROP_AUDIO_CAPTURE_CAPS:{
GstCaps *caps = NULL;
g_object_get (camera->audio_capsfilter, "caps", &caps, NULL);
gst_value_set_caps (value, caps);
gst_caps_unref (caps);
}
break;
case PROP_IMAGE_CAPTURE_CAPS:{
GstCaps *caps = NULL;
g_object_get (camera->imagebin_capsfilter, "caps", &caps, NULL);

1
gst/camerabin2/gstcamerabin2.h
View file

@ -65,6 +65,7 @@ struct _GstCameraBin
GstElement *audio_src;
GstElement *user_audio_src;
GstElement *audio_queue;
GstElement *audio_volume;
GstElement *audio_capsfilter;
GstElement *audio_convert;