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camerabin2: use encodebin to encode images

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This commit is contained in:
Alessandro Decina 2011-04-28 15:11:36 +02:00 committed by Thiago Santos
parent 993a98c238
commit 9e9507b645
3 changed files with 132 additions and 145 deletions
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185
gst/camerabin2/gstcamerabin2.c
View file

@ -112,8 +112,7 @@ enum
PROP_AUDIO_CAPTURE_CAPS,
PROP_ZOOM,
PROP_MAX_ZOOM,
PROP_IMAGE_CAPTURE_ENCODER,
PROP_IMAGE_CAPTURE_MUXER,
PROP_IMAGE_ENCODING_PROFILE,
PROP_IDLE
};
@ -292,15 +291,15 @@ gst_camera_bin_src_notify_readyforcapture (GObject * obj, GParamSpec * pspec,
GstCameraBin *camera = GST_CAMERA_BIN_CAST (user_data);
gboolean ready;
if (camera->mode == MODE_VIDEO) {
g_object_get (camera->src, "ready-for-capture", &ready, NULL);
if (!ready) {
gchar *location;
gchar *location = NULL;
if (camera->mode == MODE_VIDEO) {
/* a video recording is about to start, we reset the videobin to clear eos/flushing state
* also need to clean the queue ! capsfilter before it */
gst_element_set_state (camera->videosink, GST_STATE_NULL);
gst_element_set_state (camera->encodebin, GST_STATE_NULL);
gst_element_set_state (camera->video_encodebin, GST_STATE_NULL);
gst_element_set_state (camera->videobin_capsfilter, GST_STATE_NULL);
gst_element_set_state (camera->videobin_queue, GST_STATE_NULL);
location =
@ -309,10 +308,23 @@ gst_camera_bin_src_notify_readyforcapture (GObject * obj, GParamSpec * pspec,
g_object_set (camera->videosink, "location", location, NULL);
g_free (location);
gst_element_set_state (camera->videosink, GST_STATE_PLAYING);
gst_element_set_state (camera->encodebin, GST_STATE_PLAYING);
gst_element_set_state (camera->video_encodebin, GST_STATE_PLAYING);
gst_element_set_state (camera->videobin_capsfilter, GST_STATE_PLAYING);
gst_element_set_state (camera->videobin_queue, GST_STATE_PLAYING);
} else if (camera->mode == MODE_IMAGE) {
gst_element_set_state (camera->imagesink, GST_STATE_NULL);
gst_element_set_state (camera->image_encodebin, GST_STATE_NULL);
gst_element_set_state (camera->imagebin_queue, GST_STATE_NULL);
gst_element_set_state (camera->imagebin_capsfilter, GST_STATE_NULL);
GST_DEBUG_OBJECT (camera, "Switching imagebin location to %s", location);
g_object_set (camera->imagesink, "location", camera->image_location,
NULL);
gst_element_set_state (camera->imagesink, GST_STATE_PLAYING);
gst_element_set_state (camera->image_encodebin, GST_STATE_PLAYING);
gst_element_set_state (camera->imagebin_capsfilter, GST_STATE_PLAYING);
gst_element_set_state (camera->imagebin_queue, GST_STATE_PLAYING);
}
}
}
@ -353,9 +365,9 @@ gst_camera_bin_dispose (GObject * object)
if (camerabin->viewfinderbin_capsfilter)
gst_object_unref (camerabin->viewfinderbin_capsfilter);
if (camerabin->encodebin_signal_id)
g_signal_handler_disconnect (camerabin->encodebin,
camerabin->encodebin_signal_id);
if (camerabin->video_encodebin_signal_id)
g_signal_handler_disconnect (camerabin->video_encodebin,
camerabin->video_encodebin_signal_id);
if (camerabin->videosink_probe) {
GstPad *pad = gst_element_get_static_pad (camerabin->videosink, "sink");
@ -365,15 +377,20 @@ gst_camera_bin_dispose (GObject * object)
if (camerabin->videosink)
gst_object_unref (camerabin->videosink);
if (camerabin->encodebin)
gst_object_unref (camerabin->encodebin);
if (camerabin->video_encodebin)
gst_object_unref (camerabin->video_encodebin);
if (camerabin->videobin_queue)
gst_object_unref (camerabin->videobin_queue);
if (camerabin->videobin_capsfilter)
gst_object_unref (camerabin->videobin_capsfilter);
if (camerabin->imagebin)
gst_object_unref (camerabin->imagebin);
if (camerabin->image_encodebin_signal_id)
g_signal_handler_disconnect (camerabin->image_encodebin,
camerabin->image_encodebin_signal_id);
if (camerabin->imagesink)
gst_object_unref (camerabin->imagesink);
if (camerabin->image_encodebin)
gst_object_unref (camerabin->image_encodebin);
if (camerabin->imagebin_queue)
gst_object_unref (camerabin->imagebin_queue);
if (camerabin->imagebin_capsfilter)
@ -395,6 +412,8 @@ gst_camera_bin_dispose (GObject * object)
if (camerabin->video_profile)
gst_encoding_profile_unref (camerabin->video_profile);
if (camerabin->image_profile)
gst_encoding_profile_unref (camerabin->image_profile);
if (camerabin->preview_caps)
gst_caps_replace (&camerabin->preview_caps, NULL);
@ -602,15 +621,12 @@ gst_camera_bin_class_init (GstCameraBinClass * klass)
* it autoplugs a videorate that ony starts outputing buffers after
* getting the 2nd buffer.
*/
g_object_class_install_property (object_class, PROP_IMAGE_CAPTURE_ENCODER,
g_param_spec_object ("image-capture-encoder", "Image capture encoder",
"The image encoder element to be used on image captures.",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_IMAGE_ENCODING_PROFILE,
gst_param_spec_mini_object ("image-profile", "Image Profile",
"The GstEncodingProfile to use for image captures.",
GST_TYPE_ENCODING_PROFILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_IMAGE_CAPTURE_MUXER,
g_param_spec_object ("image-capture-muxer", "Image capture encoder",
"The image encoder element to be used on image captures.",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_IDLE,
g_param_spec_boolean ("idle", "Idle",
@ -665,7 +681,6 @@ gst_camera_bin_init (GstCameraBin * camera)
camera->video_location = g_strdup (DEFAULT_VID_LOCATION);
camera->image_location = g_strdup (DEFAULT_IMG_LOCATION);
camera->viewfinderbin = gst_element_factory_make ("viewfinderbin", "vf-bin");
camera->imagebin = gst_element_factory_make ("imagecapturebin", "imagebin");
camera->zoom = DEFAULT_ZOOM;
camera->max_zoom = MAX_ZOOM;
@ -810,12 +825,12 @@ encodebin_element_added (GstElement * encodebin, GstElement * new_element,
#define VIDEO_PAD 1
#define AUDIO_PAD 2
static GstPad *
encodebin_find_pad (GstCameraBin * camera, gint pad_type)
encodebin_find_pad (GstCameraBin * camera, GstElement * encodebin,
gint pad_type)
{
GstPad *pad = NULL;
GstIterator *iter;
gboolean done;
GstElement *encodebin = camera->encodebin;
GST_DEBUG_OBJECT (camera, "Looking at encodebin pads, searching for %s pad",
pad_type == VIDEO_PAD ? "video" : "audio");
@ -898,8 +913,8 @@ gst_camera_bin_video_profile_has_audio (GstCameraBin * camera)
}
static GstPadLinkReturn
gst_camera_bin_link_encodebin (GstCameraBin * camera, GstElement * element,
gint padtype)
gst_camera_bin_link_encodebin (GstCameraBin * camera, GstElement * encodebin,
GstElement * element, gint padtype)
{
GstPadLinkReturn ret;
GstPad *srcpad;
@ -908,7 +923,7 @@ gst_camera_bin_link_encodebin (GstCameraBin * camera, GstElement * element,
srcpad = gst_element_get_static_pad (element, "src");
g_assert (srcpad != NULL);
sinkpad = encodebin_find_pad (camera, padtype);
sinkpad = encodebin_find_pad (camera, encodebin, padtype);
/* there may be no available sink pad for encodebin in some situations:
* e.g. missing elements or incompatible padtype */
@ -959,13 +974,14 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
if (!camera->elements_created) {
/* TODO check that elements created in _init were really created */
camera->encodebin = gst_element_factory_make ("encodebin", NULL);
if (!camera->encodebin) {
camera->video_encodebin = gst_element_factory_make ("encodebin", NULL);
if (!camera->video_encodebin) {
missing_element_name = "encodebin";
goto missing_element;
}
camera->encodebin_signal_id = g_signal_connect (camera->encodebin,
"element-added", (GCallback) encodebin_element_added, camera);
camera->video_encodebin_signal_id =
g_signal_connect (camera->video_encodebin, "element-added",
(GCallback) encodebin_element_added, camera);
camera->videosink =
gst_element_factory_make ("filesink", "videobin-filesink");
@ -1010,7 +1026,38 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
gst_caps_unref (caps);
camera->video_profile = (GstEncodingProfile *) prof;
camera->profile_switch = TRUE;
camera->video_profile_switch = TRUE;
}
camera->image_encodebin = gst_element_factory_make ("encodebin", NULL);
if (!camera->image_encodebin) {
missing_element_name = "encodebin";
goto missing_element;
}
camera->image_encodebin_signal_id =
g_signal_connect (camera->image_encodebin, "element-added",
(GCallback) encodebin_element_added, camera);
camera->imagesink =
gst_element_factory_make ("multifilesink", "imagebin-filesink");
if (!camera->imagesink) {
missing_element_name = "multifilesink";
goto missing_element;
}
g_object_set (camera->imagesink, "async", FALSE, "post-messages", TRUE,
NULL);
if (camera->image_profile == NULL) {
GstEncodingVideoProfile *prof;
GstCaps *caps;
caps = gst_caps_new_simple ("image/jpeg", NULL);
prof = gst_encoding_video_profile_new (caps, NULL, NULL, 1);
gst_encoding_video_profile_set_variableframerate (prof, TRUE);
gst_caps_unref (caps);
camera->image_profile = (GstEncodingProfile *) prof;
camera->image_profile_switch = TRUE;
}
camera->videobin_queue =
@ -1027,9 +1074,10 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
g_object_set (camera->videobin_queue, "silent", TRUE, NULL);
gst_bin_add_many (GST_BIN_CAST (camera),
gst_object_ref (camera->encodebin),
gst_object_ref (camera->video_encodebin),
gst_object_ref (camera->videosink),
gst_object_ref (camera->imagebin),
gst_object_ref (camera->image_encodebin),
gst_object_ref (camera->imagesink),
gst_object_ref (camera->videobin_queue),
gst_object_ref (camera->imagebin_queue),
gst_object_ref (camera->viewfinderbin_queue), NULL);
@ -1037,10 +1085,11 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
/* Linking can be optimized TODO */
gst_element_link_many (camera->videobin_queue, camera->videobin_capsfilter,
NULL);
gst_element_link (camera->encodebin, camera->videosink);
gst_element_link (camera->video_encodebin, camera->videosink);
gst_element_link_many (camera->imagebin_queue, camera->imagebin_capsfilter,
camera->imagebin, NULL);
NULL);
gst_element_link (camera->image_encodebin, camera->imagesink);
gst_element_link_many (camera->viewfinderbin_queue,
camera->viewfinderbin_capsfilter, camera->viewfinderbin, NULL);
/*
@ -1053,23 +1102,39 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
* starting recording, so we should prepare the video bin.
*/
gst_element_set_locked_state (camera->videosink, TRUE);
gst_element_set_locked_state (camera->imagesink, TRUE);
g_object_set (camera->videosink, "location", camera->video_location, NULL);
g_object_set (camera->imagebin, "location", camera->image_location, NULL);
g_object_set (camera->imagesink, "location", camera->image_location, NULL);
}
if (camera->profile_switch) {
if (camera->video_profile_switch) {
GST_DEBUG_OBJECT (camera, "Switching encodebin's profile");
g_object_set (camera->encodebin, "profile", camera->video_profile, NULL);
g_object_set (camera->video_encodebin, "profile", camera->video_profile,
NULL);
if (GST_PAD_LINK_FAILED (gst_camera_bin_link_encodebin (camera,
camera->videobin_capsfilter, VIDEO_PAD))) {
camera->video_encodebin, camera->videobin_capsfilter,
VIDEO_PAD))) {
goto fail;
}
camera->profile_switch = FALSE;
camera->video_profile_switch = FALSE;
/* used to trigger relinking further down */
profile_switched = TRUE;
}
if (camera->image_profile_switch) {
GST_DEBUG_OBJECT (camera, "Switching encodebin's profile");
g_object_set (camera->image_encodebin, "profile", camera->image_profile,
NULL);
if (GST_PAD_LINK_FAILED (gst_camera_bin_link_encodebin (camera,
camera->image_encodebin, camera->imagebin_capsfilter,
VIDEO_PAD))) {
goto fail;
}
camera->image_profile_switch = FALSE;
}
/* check if we need to replace the camera src */
if (camera->src) {
if (camera->user_src && camera->user_src != camera->src) {
@ -1173,7 +1238,7 @@ gst_camera_bin_create_elements (GstCameraBin * camera)
if ((profile_switched && has_audio) || new_audio_src) {
if (GST_PAD_LINK_FAILED (gst_camera_bin_link_encodebin (camera,
camera->audio_convert, AUDIO_PAD))) {
camera->video_encodebin, camera->audio_convert, AUDIO_PAD))) {
goto fail;
}
}
@ -1213,9 +1278,12 @@ gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (GST_STATE (camera->videosink) >= GST_STATE_PAUSED)
gst_element_set_state (camera->videosink, GST_STATE_READY);
if (GST_STATE (camera->imagesink) >= GST_STATE_PAUSED)
gst_element_set_state (camera->imagesink, GST_STATE_READY);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_element_set_state (camera->videosink, GST_STATE_NULL);
gst_element_set_state (camera->imagesink, GST_STATE_NULL);
break;
default:
break;
@ -1261,8 +1329,6 @@ gst_camera_bin_set_location (GstCameraBin * camera, const gchar * location)
GST_DEBUG_OBJECT (camera, "Setting mode %d location to %s", camera->mode,
location);
if (camera->mode == MODE_IMAGE) {
if (camera->imagebin)
g_object_set (camera->imagebin, "location", location, NULL);
g_free (camera->image_location);
camera->image_location = g_strdup (location);
} else {
@ -1421,7 +1487,7 @@ gst_camera_bin_set_property (GObject * object, guint prop_id,
gst_encoding_profile_unref (camera->video_profile);
camera->video_profile =
(GstEncodingProfile *) gst_value_dup_mini_object (value);
camera->profile_switch = TRUE;
camera->video_profile_switch = TRUE;
break;
case PROP_IMAGE_FILTER:
if (camera->user_image_filter)
@ -1467,13 +1533,12 @@ gst_camera_bin_set_property (GObject * object, guint prop_id,
if (camera->src)
g_object_set (camera->src, "zoom", camera->zoom, NULL);
break;
case PROP_IMAGE_CAPTURE_ENCODER:
g_object_set (camera->imagebin, "image-encoder",
g_value_get_object (value), NULL);
break;
case PROP_IMAGE_CAPTURE_MUXER:
g_object_set (camera->imagebin, "image-muxer",
g_value_get_object (value), NULL);
case PROP_IMAGE_ENCODING_PROFILE:
if (camera->image_profile)
gst_encoding_profile_unref (camera->image_profile);
camera->image_profile =
(GstEncodingProfile *) gst_value_dup_mini_object (value);
camera->image_profile_switch = TRUE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -1627,20 +1692,12 @@ gst_camera_bin_get_property (GObject * object, guint prop_id,
case PROP_MAX_ZOOM:
g_value_set_float (value, camera->max_zoom);
break;
case PROP_IMAGE_CAPTURE_ENCODER:{
GstElement *enc;
g_object_get (camera->imagebin, "image-encoder", &enc, NULL);
g_value_take_object (value, enc);
break;
case PROP_IMAGE_ENCODING_PROFILE:
if (camera->image_profile) {
gst_value_set_mini_object (value,
(GstMiniObject *) camera->image_profile);
}
case PROP_IMAGE_CAPTURE_MUXER:{
GstElement *mux;
g_object_get (camera->imagebin, "image-muxer", &mux, NULL);
g_value_take_object (value, mux);
break;
}
case PROP_IDLE:
g_value_set_boolean (value,
g_atomic_int_get (&camera->processing_counter) == 0);

12
gst/camerabin2/gstcamerabin2.h
View file

@ -42,8 +42,8 @@ struct _GstCameraBin
GstElement *user_src;
gulong src_capture_notify_id;
GstElement *encodebin;
gulong encodebin_signal_id;
GstElement *video_encodebin;
gulong video_encodebin_signal_id;
GstElement *videosink;
gulong videosink_probe;
GstElement *videobin_queue;
@ -53,7 +53,9 @@ struct _GstCameraBin
GstElement *viewfinderbin_queue;
GstElement *viewfinderbin_capsfilter;
GstElement *imagebin;
GstElement *image_encodebin;
gulong image_encodebin_signal_id;
GstElement *imagesink;
GstElement *imagebin_queue;
GstElement *imagebin_capsfilter;
@ -76,7 +78,8 @@ struct _GstCameraBin
/* Index of the auto incrementing file index for video recordings */
gint video_index;
gboolean profile_switch;
gboolean video_profile_switch;
gboolean image_profile_switch;
/* properties */
gint mode;
@ -86,6 +89,7 @@ struct _GstCameraBin
GstCaps *preview_caps;
GstElement *preview_filter;
GstEncodingProfile *video_profile;
GstEncodingProfile *image_profile;
gfloat zoom;
gfloat max_zoom;

74
tests/check/elements/camerabin2.c
View file

@ -1234,75 +1234,6 @@ GST_START_TEST (test_video_custom_filter)
GST_END_TEST;
GST_START_TEST (test_image_custom_encoder_muxer)
{
GstElement *enc;
GstElement *mux;
GstElement *test;
GstPad *pad;
gint enc_probe_counter = 0;
gint mux_probe_counter = 0;
if (!camera)
return;
enc = gst_element_factory_make ("pngenc", "enc");
mux = gst_element_factory_make ("identity", "mux");
g_object_set (enc, "snapshot", FALSE, NULL);
pad = gst_element_get_static_pad (enc, "src");
gst_pad_add_buffer_probe (pad, (GCallback) filter_buffer_count,
&enc_probe_counter);
gst_object_unref (pad);
pad = gst_element_get_static_pad (mux, "src");
gst_pad_add_buffer_probe (pad, (GCallback) filter_buffer_count,
&mux_probe_counter);
gst_object_unref (pad);
/* set still image mode and filters */
g_object_set (camera, "mode", 1,
"location", make_test_file_name (IMAGE_FILENAME, -1),
"image-capture-encoder", enc, "image-capture-muxer", mux, NULL);
if (gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE) {
GST_WARNING ("setting camerabin to PLAYING failed");
gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
gst_object_unref (camera);
camera = NULL;
}
GST_INFO ("starting capture");
fail_unless (camera != NULL);
g_object_get (camera, "image-capture-encoder", &test, NULL);
fail_unless (test == enc);
g_object_get (camera, "image-capture-muxer", &test, NULL);
fail_unless (test == mux);
g_signal_emit_by_name (camera, "start-capture", NULL);
g_timeout_add_seconds (3, (GSourceFunc) g_main_loop_quit, main_loop);
g_main_loop_run (main_loop);
/* check that we got a preview image */
check_preview_image ();
gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
check_file_validity (IMAGE_FILENAME, 0, NULL, 0, 0, NO_AUDIO);
fail_unless (enc_probe_counter == 1);
fail_unless (mux_probe_counter == 1);
gst_object_unref (enc);
gst_object_unref (mux);
}
GST_END_TEST;
typedef struct _TestCaseDef
{
const gchar *name;
@ -1362,11 +1293,6 @@ camerabin_suite (void)
tcase_add_test (tc_basic, test_image_custom_filter);
tcase_add_test (tc_basic, test_video_custom_filter);
if (pngenc_factory)
tcase_add_test (tc_basic, test_image_custom_encoder_muxer);
else
GST_WARNING ("Skipping custom encoder test because pngenc is missing");
}
end: