From 8fe75f8067a0656cebe6b917fb7393de6edffcf7 Mon Sep 17 00:00:00 2001 From: Thiago Santos Date: Fri, 21 Jan 2011 10:56:52 -0300 Subject: [PATCH] camerabin: adding audio related properties Adds 4 audio properties related to audio recording * audio-src * mute * audio-supported-capture-caps * audio-capture-caps --- gst/camerabin2/gstcamerabin2.c | 106 +++++++++++++++++++++++++++++++++++++---- gst/camerabin2/gstcamerabin2.h | 1 + 2 files changed, 99 insertions(+), 8 deletions(-) diff --git a/gst/camerabin2/gstcamerabin2.c b/gst/camerabin2/gstcamerabin2.c index 72be1ee..42a0e43 100644 --- a/gst/camerabin2/gstcamerabin2.c +++ b/gst/camerabin2/gstcamerabin2.c @@ -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; @@ -987,6 +1022,20 @@ 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) { GST_DEBUG_OBJECT (GST_OBJECT (camera), @@ -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); diff --git a/gst/camerabin2/gstcamerabin2.h b/gst/camerabin2/gstcamerabin2.h index b9bcfc7..907e518 100644 --- a/gst/camerabin2/gstcamerabin2.h +++ b/gst/camerabin2/gstcamerabin2.h @@ -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; -- 2.7.4