CrowdDetectorFilterImpl::CrowdDetectorFilterImpl (
const std::vector<std::shared_ptr<RegionOfInterest>> &rois,
std::shared_ptr< MediaObjectImpl > parent) :
FilterImpl (parent)
{
GstBus *bus;
std::shared_ptr<MediaPipelineImpl> pipe;
GstStructure *roisStructure;
pipe = std::dynamic_pointer_cast<MediaPipelineImpl> (getMediaPipeline() );
g_object_set (element, "filter-factory", "crowddetector", NULL);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipe->getPipeline() ) );
g_object_get (G_OBJECT (element), "filter", &crowdDetector, NULL);
if (crowdDetector == NULL) {
g_object_unref (bus);
throw KurentoException (MEDIA_OBJECT_NOT_AVAILABLE,
"Media Object not available");
}
roisStructure = gst_structure_new_empty ("Rois");
for (auto roi : rois) {
GstStructure *roiStructureAux = get_structure_from_roi (roi);
gst_structure_set (roisStructure,
roi->getId().c_str(), GST_TYPE_STRUCTURE,
roiStructureAux,
NULL);
gst_structure_free (roiStructureAux);
}
g_object_set (G_OBJECT (crowdDetector), ROIS_PARAM, roisStructure, NULL);
gst_structure_free (roisStructure);
busMessageLambda = [&] (GstMessage * message) {
const GstStructure *st;
gchar *roiID;
const gchar *type;
std::string roiIDStr, typeStr;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (crowdDetector) ||
GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT) {
return;
}
st = gst_message_get_structure (message);
type = gst_structure_get_name (st);
if (!gst_structure_get (st, "roi", G_TYPE_STRING , &roiID, NULL) ) {
GST_WARNING ("The message does not contain the roi ID");
return;
}
roiIDStr = roiID;
typeStr = type;
g_free (roiID);
if (typeStr == "fluidity-event") {
double fluidity_percentage;
int fluidity_level;
if (! (gst_structure_get (st, "fluidity_percentage", G_TYPE_DOUBLE,
&fluidity_percentage, NULL) ) ) {
GST_WARNING ("The message does not contain the fluidity percentage");
return;
}
if (! (gst_structure_get (st, "fluidity_level", G_TYPE_INT,
&fluidity_level, NULL) ) ) {
GST_WARNING ("The message does not contain the fluidity level");
return;
}
try {
CrowdDetectorFluidity event (fluidity_percentage, fluidity_level, roiIDStr,
shared_from_this(),
CrowdDetectorFluidity::getName() );
signalCrowdDetectorFluidity (event);
} catch (std::bad_weak_ptr &e) {
}
} else if (typeStr == "occupancy-event") {
double occupancy_percentage;
int occupancy_level;
if (! (gst_structure_get (st, "occupancy_percentage", G_TYPE_DOUBLE,
&occupancy_percentage, NULL) ) ) {
GST_WARNING ("The message does not contain the occupancy percentage");
return;
}
if (! (gst_structure_get (st, "occupancy_level", G_TYPE_INT,
&occupancy_level, NULL) ) ) {
GST_WARNING ("The message does not contain the occupancy level");
return;
}
try {
CrowdDetectorOccupancy event (occupancy_level, occupancy_percentage,
roiIDStr, shared_from_this(),
CrowdDetectorOccupancy::getName() );
signalCrowdDetectorOccupancy (event);
} catch (std::bad_weak_ptr &e) {
}
} else if (typeStr == "direction-event") {
double direction_angle;
if (! (gst_structure_get (st, "direction_angle", G_TYPE_DOUBLE,
&direction_angle, NULL) ) ) {
GST_WARNING ("The message does not contain the direction angle");
return;
}
try {
CrowdDetectorDirection event (direction_angle, roiIDStr, shared_from_this(),
CrowdDetectorDirection::getName() );
signalCrowdDetectorDirection (event);
} catch (std::bad_weak_ptr &e) {
}
} else {
GST_WARNING ("The message does not have the correct name");
}
};
bus_handler_id = g_signal_connect (bus, "message",
G_CALLBACK (bus_message_adaptor),
&busMessageLambda);
g_object_unref (bus);
// There is no need to reference crowddetector because its life cycle is the same as the filter life cycle
g_object_unref (crowdDetector);
}
static gboolean
gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
{
gint i, channels;
gboolean spdif_allowed;
AudioChannelLayout *layout;
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstCaps *caps, *in_caps;
guint64 channel_mask = 0;
GstAudioChannelPosition *pos = osxsink->channel_positions;
/* First collect info about the HW capabilites and preferences */
spdif_allowed =
gst_core_audio_audio_device_is_spdif_avail (osxsink->device_id);
layout = gst_core_audio_audio_device_get_channel_layout (osxsink->device_id);
GST_DEBUG_OBJECT (osxsink, "Selected device ID: %u SPDIF allowed: %d",
(unsigned) osxsink->device_id, spdif_allowed);
if (layout) {
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
} else {
GST_WARNING_OBJECT (osxsink, "This driver does not support "
"kAudioDevicePropertyPreferredChannelLayout.");
channels = 2;
}
switch (channels) {
case 0:
pos[0] = GST_AUDIO_CHANNEL_POSITION_NONE;
break;
case 1:
pos[0] = GST_AUDIO_CHANNEL_POSITION_MONO;
break;
case 2:
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_LEFT);
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_RIGHT);
break;
default:
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
for (i = 0; i < channels; i++) {
switch (layout->mChannelDescriptions[i].mChannelLabel) {
case kAudioChannelLabel_Left:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
break;
case kAudioChannelLabel_Right:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
break;
case kAudioChannelLabel_Center:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
break;
case kAudioChannelLabel_LFEScreen:
pos[i] = GST_AUDIO_CHANNEL_POSITION_LFE1;
break;
case kAudioChannelLabel_LeftSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
break;
case kAudioChannelLabel_RightSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
break;
case kAudioChannelLabel_RearSurroundLeft:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT;
break;
case kAudioChannelLabel_RearSurroundRight:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT;
break;
case kAudioChannelLabel_CenterSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER;
break;
default:
GST_WARNING_OBJECT (osxsink, "unrecognized channel: %d",
(int) layout->mChannelDescriptions[i].mChannelLabel);
channel_mask = 0;
channels = 2;
break;
}
}
}
g_free (layout);
/* Recover the template caps */
element_class = GST_ELEMENT_GET_CLASS (osxsink);
pad_template = gst_element_class_get_pad_template (element_class, "sink");
in_caps = gst_pad_template_get_caps (pad_template);
/* Create the allowed subset */
caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (in_caps); i++) {
GstStructure *in_s, *out_s;
in_s = gst_caps_get_structure (in_caps, i);
if (gst_structure_has_name (in_s, "audio/x-ac3") ||
gst_structure_has_name (in_s, "audio/x-dts")) {
if (spdif_allowed) {
gst_caps_append_structure (caps, gst_structure_copy (in_s));
}
}
gst_audio_channel_positions_to_mask (pos, channels, false, &channel_mask);
out_s = gst_structure_copy (in_s);
gst_structure_remove_fields (out_s, "channels", "channel-mask", NULL);
gst_structure_set (out_s, "channels", G_TYPE_INT, channels,
"channel-mask", GST_TYPE_BITMASK, channel_mask, NULL);
gst_caps_append_structure (caps, out_s);
}
if (osxsink->cached_caps) {
gst_caps_unref (osxsink->cached_caps);
}
osxsink->cached_caps = caps;
osxsink->channels = channels;
return TRUE;
}
static gboolean
sink_setcaps(GstPad *pad,
GstCaps *caps)
{
GstDspVEnc *self;
GstDspBase *base;
GstStructure *in_struc;
GstCaps *out_caps;
GstStructure *out_struc;
gint width = 0, height = 0;
GstCaps *allowed_caps;
gint tgt_level = -1;
struct td_codec *codec;
self = GST_DSP_VENC(GST_PAD_PARENT(pad));
base = GST_DSP_BASE(self);
codec = base->codec;
if (!codec)
return FALSE;
#ifdef DEBUG
{
gchar *str = gst_caps_to_string(caps);
pr_info(self, "sink caps: %s", str);
g_free(str);
}
#endif
in_struc = gst_caps_get_structure(caps, 0);
out_caps = gst_caps_new_empty();
switch (base->alg) {
case GSTDSP_JPEGENC:
out_struc = gst_structure_new("image/jpeg",
NULL);
break;
case GSTDSP_H263ENC:
out_struc = gst_structure_new("video/x-h263",
"variant", G_TYPE_STRING, "itu",
NULL);
break;
case GSTDSP_MP4VENC:
out_struc = gst_structure_new("video/mpeg",
"mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE,
NULL);
break;
case GSTDSP_H264ENC:
out_struc = gst_structure_new("video/x-h264",
"alignment", G_TYPE_STRING, "au",
NULL);
break;
default:
return FALSE;
}
if (gst_structure_get_int(in_struc, "width", &width))
gst_structure_set(out_struc, "width", G_TYPE_INT, width, NULL);
if (gst_structure_get_int(in_struc, "height", &height))
gst_structure_set(out_struc, "height", G_TYPE_INT, height, NULL);
gst_structure_get_fourcc(in_struc, "format", &self->color_format);
switch (base->alg) {
case GSTDSP_H263ENC:
case GSTDSP_MP4VENC:
case GSTDSP_H264ENC:
base->output_buffer_size = width * height / 2;
break;
case GSTDSP_JPEGENC:
if (width % 2 || height % 2)
return FALSE;
if (self->color_format == GST_MAKE_FOURCC('I', '4', '2', '0'))
base->input_buffer_size = ROUND_UP(width, 16) * ROUND_UP(height, 16) * 3 / 2;
else
base->input_buffer_size = ROUND_UP(width, 16) * ROUND_UP(height, 16) * 2;
base->output_buffer_size = width * height;
if (self->quality < 10)
base->output_buffer_size /= 10;
else if (self->quality < 100)
base->output_buffer_size /= (100 / self->quality);
break;
default:
break;
}
if (base->node)
goto skip_setup;
switch (base->alg) {
case GSTDSP_JPEGENC:
du_port_alloc_buffers(base->ports[0], 1);
#if SN_API > 1
du_port_alloc_buffers(base->ports[1], 2);
#else
/* old versions of the sn can't handle 2 buffers */
/*
* Some constrained pipelines might starve because of this. You
* might want to try enable-last-buffer=false on some sinks.
* TODO Is there any way around this?
*/
du_port_alloc_buffers(base->ports[1], 1);
#endif
break;
default:
du_port_alloc_buffers(base->ports[0], 2);
du_port_alloc_buffers(base->ports[1], 4);
break;
}
skip_setup:
self->width = width;
self->height = height;
{
const GValue *framerate = NULL;
framerate = gst_structure_get_value(in_struc, "framerate");
if (framerate) {
gst_structure_set_value(out_struc, "framerate", framerate);
/* calculate nearest integer */
self->framerate = (gst_value_get_fraction_numerator(framerate) * 2 /
gst_value_get_fraction_denominator(framerate) + 1) / 2;
}
}
/* see if downstream caps express something */
allowed_caps = gst_pad_get_allowed_caps(base->srcpad);
if (allowed_caps) {
if (gst_caps_get_size(allowed_caps) > 0) {
GstStructure *s;
s = gst_caps_get_structure(allowed_caps, 0);
gst_structure_get_int(s, "level", &tgt_level);
if (base->alg == GSTDSP_H264ENC) {
const char *stream_format;
stream_format = gst_structure_get_string(s, "stream-format");
if (stream_format && !strcmp(stream_format, "avc"))
self->priv.h264.bytestream = false;
else
stream_format = "byte-stream";
gst_structure_set(out_struc, "stream-format", G_TYPE_STRING, stream_format, NULL);
}
}
gst_caps_unref(allowed_caps);
}
check_supported_levels(self, tgt_level);
if (self->bitrate == 0)
self->bitrate = self->max_bitrate;
else if (self->bitrate > self->max_bitrate)
self->bitrate = self->max_bitrate;
gst_caps_append_structure(out_caps, out_struc);
#ifdef DEBUG
{
gchar *str = gst_caps_to_string(out_caps);
pr_info(self, "src caps: %s", str);
g_free(str);
}
#endif
if (!gst_pad_take_caps(base->srcpad, out_caps))
return FALSE;
if (base->node)
return TRUE;
base->node = create_node(self);
if (!base->node) {
pr_err(self, "dsp node creation failed");
return FALSE;
}
if (codec->setup_params)
codec->setup_params(base);
if (!gstdsp_start(base)) {
pr_err(self, "dsp start failed");
return FALSE;
}
if (codec->send_params)
codec->send_params(base, base->node);
return TRUE;
}
static gboolean
gst_video_flip_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstVideoFlip *vf = GST_VIDEO_FLIP (trans);
gdouble new_x, new_y, x, y;
GstStructure *structure;
gboolean ret;
GST_DEBUG_OBJECT (vf, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &x) &&
gst_structure_get_double (structure, "pointer_y", &y)) {
GST_DEBUG_OBJECT (vf, "converting %fx%f", x, y);
switch (vf->method) {
case GST_VIDEO_FLIP_METHOD_90R:
new_x = y;
new_y = vf->to_width - x;
break;
case GST_VIDEO_FLIP_METHOD_90L:
new_x = vf->to_height - y;
new_y = x;
break;
case GST_VIDEO_FLIP_METHOD_OTHER:
new_x = vf->to_height - y;
new_y = vf->to_width - x;
break;
case GST_VIDEO_FLIP_METHOD_TRANS:
new_x = y;
new_y = x;
break;
case GST_VIDEO_FLIP_METHOD_180:
new_x = vf->to_width - x;
new_y = vf->to_height - y;
break;
case GST_VIDEO_FLIP_METHOD_HORIZ:
new_x = vf->to_width - x;
new_y = y;
break;
case GST_VIDEO_FLIP_METHOD_VERT:
new_x = x;
new_y = vf->to_height - y;
break;
default:
new_x = x;
new_y = y;
break;
}
GST_DEBUG_OBJECT (vf, "to %fx%f", new_x, new_y);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, new_x,
"pointer_y", G_TYPE_DOUBLE, new_y, NULL);
}
break;
default:
break;
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
return ret;
}
/**
* gst_base_video_encoder_finish_frame:
* @base_video_encoder: a #GstBaseVideoEncoder
* @frame: an encoded #GstVideoFrame
*
* @frame must have a valid encoded data buffer, whose metadata fields
* are then appropriately set according to frame data or no buffer at
* all if the frame should be dropped.
* It is subsequently pushed downstream or provided to @shape_output.
* In any case, the frame is considered finished and released.
*
* Returns: a #GstFlowReturn resulting from sending data downstream
*/
GstFlowReturn
gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
GstVideoFrame * frame)
{
GstFlowReturn ret = GST_FLOW_OK;
GstBaseVideoEncoderClass *base_video_encoder_class;
GList *l;
base_video_encoder_class =
GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
GST_LOG_OBJECT (base_video_encoder,
"finish frame fpn %d", frame->presentation_frame_number);
/* FIXME get rid of this ?
* seems a roundabout way that adds little benefit to simply get
* and subsequently set. subclass is adult enough to set_caps itself ...
* so simply check/ensure/assert that src pad caps are set by now */
if (!base_video_encoder->set_output_caps) {
if (!GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder))) {
GstCaps *caps;
if (base_video_encoder_class->get_caps) {
caps = base_video_encoder_class->get_caps (base_video_encoder);
} else {
caps = gst_caps_new_simple ("video/unknown", NULL);
}
GST_DEBUG_OBJECT (base_video_encoder, "src caps %" GST_PTR_FORMAT, caps);
gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
caps);
gst_caps_unref (caps);
}
base_video_encoder->set_output_caps = TRUE;
}
/* Push all pending events that arrived before this frame */
for (l = base_video_encoder->base_video_codec.frames; l; l = l->next) {
GstVideoFrame *tmp = l->data;
if (tmp->events) {
GList *k;
for (k = g_list_last (tmp->events); k; k = k->prev)
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
k->data);
g_list_free (tmp->events);
tmp->events = NULL;
}
if (tmp == frame)
break;
}
if (frame->force_keyframe) {
GstClockTime stream_time;
GstClockTime running_time;
GstEvent *ev;
running_time =
gst_segment_to_running_time (&GST_BASE_VIDEO_CODEC
(base_video_encoder)->segment, GST_FORMAT_TIME,
frame->presentation_timestamp);
stream_time =
gst_segment_to_stream_time (&GST_BASE_VIDEO_CODEC
(base_video_encoder)->segment, GST_FORMAT_TIME,
frame->presentation_timestamp);
/* re-use upstream event if any so it also conveys any additional
* info upstream arranged in there */
GST_OBJECT_LOCK (base_video_encoder);
if (base_video_encoder->force_keyunit_event) {
ev = base_video_encoder->force_keyunit_event;
base_video_encoder->force_keyunit_event = NULL;
} else {
ev = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
gst_structure_new ("GstForceKeyUnit", NULL));
}
GST_OBJECT_UNLOCK (base_video_encoder);
gst_structure_set (ev->structure,
"timestamp", G_TYPE_UINT64, frame->presentation_timestamp,
"stream-time", G_TYPE_UINT64, stream_time,
"running-time", G_TYPE_UINT64, running_time, NULL);
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), ev);
}
/* no buffer data means this frame is skipped/dropped */
if (!frame->src_buffer) {
GST_DEBUG_OBJECT (base_video_encoder, "skipping frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (frame->presentation_timestamp));
goto done;
}
if (frame->is_sync_point) {
GST_LOG_OBJECT (base_video_encoder, "key frame");
base_video_encoder->distance_from_sync = 0;
GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
} else {
GST_BUFFER_FLAG_SET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
}
frame->distance_from_sync = base_video_encoder->distance_from_sync;
base_video_encoder->distance_from_sync++;
frame->decode_frame_number = frame->system_frame_number - 1;
if (frame->decode_frame_number < 0) {
frame->decode_timestamp = 0;
} else {
frame->decode_timestamp = gst_util_uint64_scale (frame->decode_frame_number,
GST_SECOND * GST_BASE_VIDEO_CODEC (base_video_encoder)->state.fps_d,
GST_BASE_VIDEO_CODEC (base_video_encoder)->state.fps_n);
}
GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
GST_BUFFER_OFFSET (frame->src_buffer) = frame->decode_timestamp;
/* update rate estimate */
GST_BASE_VIDEO_CODEC (base_video_encoder)->bytes +=
GST_BUFFER_SIZE (frame->src_buffer);
if (GST_CLOCK_TIME_IS_VALID (frame->presentation_duration)) {
GST_BASE_VIDEO_CODEC (base_video_encoder)->time +=
frame->presentation_duration;
} else {
/* better none than nothing valid */
GST_BASE_VIDEO_CODEC (base_video_encoder)->time = GST_CLOCK_TIME_NONE;
}
if (G_UNLIKELY (GST_BASE_VIDEO_CODEC (base_video_encoder)->discont)) {
GST_LOG_OBJECT (base_video_encoder, "marking discont");
GST_BUFFER_FLAG_SET (frame->src_buffer, GST_BUFFER_FLAG_DISCONT);
GST_BASE_VIDEO_CODEC (base_video_encoder)->discont = FALSE;
}
gst_buffer_set_caps (GST_BUFFER (frame->src_buffer),
GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder)));
if (base_video_encoder_class->shape_output) {
ret = base_video_encoder_class->shape_output (base_video_encoder, frame);
} else {
ret =
gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
frame->src_buffer);
}
frame->src_buffer = NULL;
done:
/* handed out */
GST_BASE_VIDEO_CODEC (base_video_encoder)->frames =
g_list_remove (GST_BASE_VIDEO_CODEC (base_video_encoder)->frames, frame);
gst_base_video_codec_free_frame (frame);
return ret;
}
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
GstAravis* gst_aravis = GST_ARAVIS(src);
GstStructure *structure;
ArvPixelFormat pixel_format;
int height, width;
int bpp, depth;
const GValue *frame_rate;
const char *caps_string;
unsigned int i;
guint32 fourcc;
GST_LOG_OBJECT (gst_aravis, "Requested caps = %" GST_PTR_FORMAT, caps);
arv_camera_stop_acquisition (gst_aravis->camera);
if (gst_aravis->stream != NULL)
g_object_unref (gst_aravis->stream);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
frame_rate = gst_structure_get_value (structure, "framerate");
gst_structure_get_int (structure, "bpp", &bpp);
gst_structure_get_int (structure, "depth", &depth);
if (gst_structure_get_field_type (structure, "format") == G_TYPE_STRING) {
const char *string;
string = gst_structure_get_string (structure, "format");
fourcc = GST_STR_FOURCC (string);
} else if (gst_structure_get_field_type (structure, "format") == GST_TYPE_FOURCC) {
gst_structure_get_fourcc (structure, "format", &fourcc);
} else
fourcc = 0;
pixel_format = arv_pixel_format_from_gst_caps (gst_structure_get_name (structure), bpp, depth, fourcc);
arv_camera_set_region (gst_aravis->camera, gst_aravis->offset_x, gst_aravis->offset_y, width, height);
arv_camera_set_binning (gst_aravis->camera, gst_aravis->h_binning, gst_aravis->v_binning);
arv_camera_set_pixel_format (gst_aravis->camera, pixel_format);
if (frame_rate != NULL) {
double dbl_frame_rate;
dbl_frame_rate = (double) gst_value_get_fraction_numerator (frame_rate) /
(double) gst_value_get_fraction_denominator (frame_rate);
GST_DEBUG_OBJECT (gst_aravis, "Frame rate = %g Hz", dbl_frame_rate);
arv_camera_set_frame_rate (gst_aravis->camera, dbl_frame_rate);
if (dbl_frame_rate > 0.0)
gst_aravis->buffer_timeout_us = MAX (GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT,
3e6 / dbl_frame_rate);
else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
} else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
GST_DEBUG_OBJECT (gst_aravis, "Buffer timeout = %Ld µs", gst_aravis->buffer_timeout_us);
GST_DEBUG_OBJECT (gst_aravis, "Actual frame rate = %g Hz", arv_camera_get_frame_rate (gst_aravis->camera));
if(gst_aravis->gain_auto) {
arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
GST_DEBUG_OBJECT (gst_aravis, "Auto Gain = continuous", gst_aravis->gain_auto);
} else {
if (gst_aravis->gain >= 0) {
GST_DEBUG_OBJECT (gst_aravis, "Gain = %d", gst_aravis->gain);
arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_OFF);
arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
}
GST_DEBUG_OBJECT (gst_aravis, "Actual gain = %d", arv_camera_get_gain (gst_aravis->camera));
}
if(gst_aravis->exposure_auto) {
arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
GST_DEBUG_OBJECT (gst_aravis, "Auto Exposure = contiuous", gst_aravis->exposure_auto);
} else {
if (gst_aravis->exposure_time_us > 0.0) {
GST_DEBUG_OBJECT (gst_aravis, "Exposure = %g µs", gst_aravis->exposure_time_us);
arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_OFF);
arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
}
GST_DEBUG_OBJECT (gst_aravis, "Actual exposure = %g µs", arv_camera_get_exposure_time (gst_aravis->camera));
}
if (gst_aravis->fixed_caps != NULL)
gst_caps_unref (gst_aravis->fixed_caps);
caps_string = arv_pixel_format_to_gst_caps_string (pixel_format);
if (caps_string != NULL) {
GstStructure *structure;
GstCaps *caps;
caps = gst_caps_new_empty ();
structure = gst_structure_from_string (caps_string, NULL);
gst_structure_set (structure,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
NULL);
if (frame_rate != NULL)
gst_structure_set_value (structure, "framerate", frame_rate);
gst_caps_append_structure (caps, structure);
gst_aravis->fixed_caps = caps;
} else
gst_aravis->fixed_caps = NULL;
gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);
for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
arv_stream_push_buffer (gst_aravis->stream,
arv_buffer_new (gst_aravis->payload, NULL));
GST_LOG_OBJECT (gst_aravis, "Start acquisition");
arv_camera_start_acquisition (gst_aravis->camera);
gst_aravis->timestamp_offset = 0;
gst_aravis->last_timestamp = 0;
return TRUE;
}
GstCaps *
gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar * name,
GstCapturePinMediaType * pin_mediatype)
{
GstCaps *video_caps = NULL;
GstStructure *video_structure = NULL;
gint min_w, max_w;
gint min_h, max_h;
gint min_fr, max_fr;
/* raw video format */
switch (video_format) {
case GST_VIDEO_FORMAT_BGR:
video_caps = gst_caps_from_string (GST_VIDEO_CAPS_BGR);
break;
case GST_VIDEO_FORMAT_I420:
video_caps = gst_caps_from_string (GST_VIDEO_CAPS_YUV ("I420"));
break;
case GST_VIDEO_FORMAT_YUY2:
video_caps = gst_caps_from_string (GST_VIDEO_CAPS_YUV ("YUY2"));
break;
default:
break;
}
/* other video format */
if (!video_caps) {
if (g_ascii_strncasecmp (name, "video/x-dv, systemstream=FALSE", 31) == 0) {
video_caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
NULL);
} else if (g_ascii_strncasecmp (name, "video/x-dv, systemstream=TRUE", 31) == 0) {
video_caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
return video_caps;
}
}
if (!video_caps)
return NULL;
video_structure = gst_caps_get_structure (video_caps, 0);
/* Hope GST_TYPE_INT_RANGE_STEP will exits in future gstreamer releases */
/* because we could use : */
/* "width", GST_TYPE_INT_RANGE_STEP, video_default->minWidth, video_default->maxWidth, video_default->granularityWidth */
/* instead of : */
/* "width", GST_TYPE_INT_RANGE, video_default->minWidth, video_default->maxWidth */
/* For framerate we do not need a step (granularity) because */
/* "The IAMStreamConfig::SetFormat method will set the frame rate to the closest */
/* value that the filter supports" as it said in the VIDEO_STREAM_CONFIG_CAPS dshwo doc */
min_w = pin_mediatype->vscc.MinOutputSize.cx;
max_w = pin_mediatype->vscc.MaxOutputSize.cx;
min_h = pin_mediatype->vscc.MinOutputSize.cy;
max_h = pin_mediatype->vscc.MaxOutputSize.cy;
min_fr = (gint) (10000000 / pin_mediatype->vscc.MaxFrameInterval);
max_fr = (gint)(10000000 / pin_mediatype->vscc.MinFrameInterval);
if (min_w == max_w)
gst_structure_set (video_structure, "width", G_TYPE_INT, min_w, NULL);
else
gst_structure_set (video_structure,
"width", GST_TYPE_INT_RANGE, min_w, max_w, NULL);
if (min_h == max_h)
gst_structure_set (video_structure, "height", G_TYPE_INT, min_h, NULL);
else
gst_structure_set (video_structure,
"height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
if (min_fr == max_fr)
gst_structure_set (video_structure, "framerate",
GST_TYPE_FRACTION, min_fr, 1, NULL);
else
gst_structure_set (video_structure, "framerate",
GST_TYPE_FRACTION_RANGE, min_fr, 1, max_fr, 1, NULL);
return video_caps;
}
static GstCaps *
gst_rtp_h263p_pay_sink_getcaps (GstRTPBasePayload * payload, GstPad * pad,
GstCaps * filter)
{
GstRtpH263PPay *rtph263ppay;
GstCaps *caps = NULL, *templ;
GstCaps *peercaps = NULL;
GstCaps *intersect = NULL;
guint i;
rtph263ppay = GST_RTP_H263P_PAY (payload);
peercaps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), filter);
if (!peercaps)
return
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
templ = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
intersect = gst_caps_intersect (peercaps, templ);
gst_caps_unref (peercaps);
gst_caps_unref (templ);
if (gst_caps_is_empty (intersect))
return intersect;
caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (intersect); i++) {
GstStructure *s = gst_caps_get_structure (intersect, i);
const gchar *encoding_name = gst_structure_get_string (s, "encoding-name");
if (!strcmp (encoding_name, "H263-2000")) {
const gchar *profile_str = gst_structure_get_string (s, "profile");
const gchar *level_str = gst_structure_get_string (s, "level");
int profile = 0;
int level = 0;
if (profile_str && level_str) {
gboolean i = FALSE, j = FALSE, l = FALSE, t = FALSE, f = FALSE,
v = FALSE;
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
NULL);
profile = atoi (profile_str);
level = atoi (level_str);
/* These profiles are defined in the H.263 Annex X */
switch (profile) {
case 0:
/* The Baseline Profile (Profile 0) */
break;
case 1:
/* H.320 Coding Efficiency Version 2 Backward-Compatibility Profile
* (Profile 1)
* Baseline + Annexes I, J, L.4 and T
*/
i = j = l = t = TRUE;
break;
case 2:
/* Version 1 Backward-Compatibility Profile (Profile 2)
* Baseline + Annex F
*/
i = j = l = t = f = TRUE;
break;
case 3:
/* Version 2 Interactive and Streaming Wireless Profile
* Baseline + Annexes I, J, T
*/
i = j = t = TRUE;
break;
case 4:
/* Version 3 Interactive and Streaming Wireless Profile (Profile 4)
* Baseline + Annexes I, J, T, V, W.6.3.8,
*/
/* Missing W.6.3.8 */
i = j = t = v = TRUE;
break;
case 5:
/* Conversational High Compression Profile (Profile 5)
* Baseline + Annexes F, I, J, L.4, T, D, U
*/
/* Missing D, U */
f = i = j = l = t = TRUE;
break;
case 6:
/* Conversational Internet Profile (Profile 6)
* Baseline + Annexes F, I, J, L.4, T, D, U and
* K with arbitratry slice ordering
*/
/* Missing D, U, K with arbitratry slice ordering */
f = i = j = l = t = TRUE;
break;
case 7:
/* Conversational Interlace Profile (Profile 7)
* Baseline + Annexes F, I, J, L.4, T, D, U, W.6.3.11
*/
/* Missing D, U, W.6.3.11 */
f = i = j = l = t = TRUE;
break;
case 8:
/* High Latency Profile (Profile 8)
* Baseline + Annexes F, I, J, L.4, T, D, U, P.5, O.1.1 and
* K with arbitratry slice ordering
*/
/* Missing D, U, P.5, O.1.1 */
f = i = j = l = t = TRUE;
break;
}
if (f || i || j || t || l || v) {
GValue list = { 0 };
GValue vstr = { 0 };
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&vstr, G_TYPE_STRING);
g_value_set_static_string (&vstr, "h263");
gst_value_list_append_value (&list, &vstr);
g_value_set_static_string (&vstr, "h263p");
gst_value_list_append_value (&list, &vstr);
if (l || v) {
g_value_set_static_string (&vstr, "h263pp");
gst_value_list_append_value (&list, &vstr);
}
g_value_unset (&vstr);
gst_structure_set_value (new_s, "h263version", &list);
g_value_unset (&list);
} else {
gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
}
if (!f)
gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
if (!i)
gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
if (!j)
gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
if (!t)
gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
if (!l)
gst_structure_set (new_s, "annex-l", G_TYPE_BOOLEAN, FALSE, NULL);
if (!v)
gst_structure_set (new_s, "annex-v", G_TYPE_BOOLEAN, FALSE, NULL);
if (level <= 10 || level == 45) {
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 176,
"height", GST_TYPE_INT_RANGE, 1, 144,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 2002, NULL);
caps = gst_caps_merge_structure (caps, new_s);
} else if (level <= 20) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 2002, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 176,
"height", GST_TYPE_INT_RANGE, 1, 144,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 40) {
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 1001, NULL);
caps = gst_caps_merge_structure (caps, new_s);
} else if (level <= 50) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 240,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 60) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 240,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 70) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 576,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 480,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else {
caps = gst_caps_merge_structure (caps, new_s);
}
} else {
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
"h263version", G_TYPE_STRING, "h263",
NULL);
GST_DEBUG_OBJECT (rtph263ppay, "No profile or level specified"
" for H263-2000, defaulting to baseline H263");
caps = gst_caps_merge_structure (caps, new_s);
}
} else {
gboolean f = FALSE, i = FALSE, j = FALSE, t = FALSE;
/* FIXME: ffmpeg support the Appendix K too, how do we express it ?
* guint k;
*/
const gchar *str;
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
NULL);
gboolean added = FALSE;
str = gst_structure_get_string (s, "f");
if (str && !strcmp (str, "1"))
f = TRUE;
str = gst_structure_get_string (s, "i");
if (str && !strcmp (str, "1"))
i = TRUE;
str = gst_structure_get_string (s, "j");
if (str && !strcmp (str, "1"))
j = TRUE;
str = gst_structure_get_string (s, "t");
if (str && !strcmp (str, "1"))
t = TRUE;
if (f || i || j || t) {
GValue list = { 0 };
GValue vstr = { 0 };
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&vstr, G_TYPE_STRING);
g_value_set_static_string (&vstr, "h263");
gst_value_list_append_value (&list, &vstr);
g_value_set_static_string (&vstr, "h263p");
gst_value_list_append_value (&list, &vstr);
g_value_unset (&vstr);
gst_structure_set_value (new_s, "h263version", &list);
g_value_unset (&list);
} else {
gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
}
if (!f)
gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
if (!i)
gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
if (!j)
gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
if (!t)
gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
str = gst_structure_get_string (s, "custom");
if (str) {
unsigned int xmax, ymax, mpi;
if (sscanf (str, "%u,%u,%u", &xmax, &ymax, &mpi) == 3) {
if (xmax % 4 && ymax % 4 && mpi >= 1 && mpi <= 32) {
caps = caps_append (caps, new_s, xmax, ymax, mpi);
added = TRUE;
} else {
GST_WARNING_OBJECT (rtph263ppay, "Invalid custom framesize/MPI"
" %u x %u at %u, ignoring", xmax, ymax, mpi);
}
} else {
GST_WARNING_OBJECT (rtph263ppay, "Invalid custom framesize/MPI: %s,"
" ignoring", str);
}
}
str = gst_structure_get_string (s, "16cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 1408, 1152, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "4cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 704, 576, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 352, 288, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "qcif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 176, 144, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "sqcif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 128, 96, mpi);
added = TRUE;
}
if (added)
gst_structure_free (new_s);
else
caps = gst_caps_merge_structure (caps, new_s);
}
}
gst_caps_unref (intersect);
return caps;
}
gboolean
gst_gl_handle_context_query (GstElement * element, GstQuery * query,
GstGLDisplay ** display, GstGLContext ** other_context)
{
gboolean res = FALSE;
const gchar *context_type;
GstContext *context, *old_context;
g_return_val_if_fail (element != NULL, FALSE);
g_return_val_if_fail (query != NULL, FALSE);
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (other_context != NULL, FALSE);
gst_query_parse_context_type (query, &context_type);
if (g_strcmp0 (context_type, GST_GL_DISPLAY_CONTEXT_TYPE) == 0) {
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new (GST_GL_DISPLAY_CONTEXT_TYPE, TRUE);
gst_context_set_gl_display (context, *display);
gst_query_set_context (query, context);
gst_context_unref (context);
res = *display != NULL;
}
#if GST_GL_HAVE_WINDOW_X11
else if (g_strcmp0 (context_type, "gst.x11.display.handle") == 0) {
GstStructure *s;
Display *x11_display = NULL;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new ("gst.x11.display.handle", TRUE);
if (*display
&& ((*display)->type & GST_GL_DISPLAY_TYPE_X11) ==
GST_GL_DISPLAY_TYPE_X11)
x11_display = (Display *) gst_gl_display_get_handle (*display);
s = gst_context_writable_structure (context);
gst_structure_set (s, "display", G_TYPE_POINTER, x11_display, NULL);
gst_query_set_context (query, context);
gst_context_unref (context);
res = x11_display != NULL;
}
#endif
#if GST_GL_HAVE_WINDOW_WAYLAND
else if (g_strcmp0 (context_type, "GstWaylandDisplayHandleContextType") == 0) {
GstStructure *s;
struct wl_display *wayland_display = NULL;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new ("GstWaylandDisplayHandleContextType", TRUE);
if (*display
&& ((*display)->type & GST_GL_DISPLAY_TYPE_WAYLAND) ==
GST_GL_DISPLAY_TYPE_WAYLAND)
wayland_display =
(struct wl_display *) gst_gl_display_get_handle (*display);
s = gst_context_writable_structure (context);
gst_structure_set (s, "display", G_TYPE_POINTER, wayland_display, NULL);
gst_query_set_context (query, context);
gst_context_unref (context);
res = wayland_display != NULL;
}
#endif
else if (g_strcmp0 (context_type, "gst.gl.app_context") == 0) {
GstStructure *s;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new ("gst.gl.app_context", TRUE);
s = gst_context_writable_structure (context);
gst_structure_set (s, "context", GST_GL_TYPE_CONTEXT, *other_context, NULL);
gst_query_set_context (query, context);
gst_context_unref (context);
res = *other_context != NULL;
}
return res;
}
static GstCaps *
gst_rtp_h264_pay_getcaps (GstRTPBasePayload * payload, GstPad * pad,
GstCaps * filter)
{
GstCaps *template_caps;
GstCaps *allowed_caps;
GstCaps *caps, *icaps;
gboolean append_unrestricted;
guint i;
allowed_caps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), filter);
if (allowed_caps == NULL)
return NULL;
template_caps =
gst_static_pad_template_get_caps (&gst_rtp_h264_pay_sink_template);
if (gst_caps_is_any (allowed_caps)) {
caps = gst_caps_ref (template_caps);
goto done;
}
if (gst_caps_is_empty (allowed_caps)) {
caps = gst_caps_ref (allowed_caps);
goto done;
}
caps = gst_caps_new_empty ();
append_unrestricted = FALSE;
for (i = 0; i < gst_caps_get_size (allowed_caps); i++) {
GstStructure *s = gst_caps_get_structure (allowed_caps, i);
GstStructure *new_s = gst_structure_new_empty ("video/x-h264");
const gchar *profile_level_id;
profile_level_id = gst_structure_get_string (s, "profile-level-id");
if (profile_level_id && strlen (profile_level_id) == 6) {
const gchar *profile;
const gchar *level;
long int spsint;
guint8 sps[3];
spsint = strtol (profile_level_id, NULL, 16);
sps[0] = spsint >> 16;
sps[1] = spsint >> 8;
sps[2] = spsint;
profile = gst_codec_utils_h264_get_profile (sps, 3);
level = gst_codec_utils_h264_get_level (sps, 3);
if (profile && level) {
GST_LOG_OBJECT (payload, "In caps, have profile %s and level %s",
profile, level);
if (!strcmp (profile, "constrained-baseline"))
gst_structure_set (new_s, "profile", G_TYPE_STRING, profile, NULL);
else {
GValue val = { 0, };
GValue profiles = { 0, };
g_value_init (&profiles, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_STRING);
g_value_set_static_string (&val, profile);
gst_value_list_append_value (&profiles, &val);
g_value_set_static_string (&val, "constrained-baseline");
gst_value_list_append_value (&profiles, &val);
gst_structure_take_value (new_s, "profile", &profiles);
}
if (!strcmp (level, "1"))
gst_structure_set (new_s, "level", G_TYPE_STRING, level, NULL);
else {
GValue levels = { 0, };
GValue val = { 0, };
int j;
g_value_init (&levels, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_STRING);
for (j = 0; j < G_N_ELEMENTS (all_levels); j++) {
g_value_set_static_string (&val, all_levels[j]);
gst_value_list_prepend_value (&levels, &val);
if (!strcmp (level, all_levels[j]))
break;
}
gst_structure_take_value (new_s, "level", &levels);
}
} else {
/* Invalid profile-level-id means baseline */
gst_structure_set (new_s,
"profile", G_TYPE_STRING, "constrained-baseline", NULL);
}
} else {
/* No profile-level-id means baseline or unrestricted */
gst_structure_set (new_s,
"profile", G_TYPE_STRING, "constrained-baseline", NULL);
append_unrestricted = TRUE;
}
caps = gst_caps_merge_structure (caps, new_s);
}
static void *
create_node(GstDspBase *base)
{
GstDspVpp *self;
struct td_codec *codec;
int dsp_handle;
struct dsp_node *node;
const struct dsp_uuid usn_uuid = { 0x79A3C8B3, 0x95F2, 0x403F, 0x9A, 0x4B,
{ 0xCF, 0x80, 0x57, 0x73, 0x05, 0x41 } };
self = GST_DSP_VPP(base);
dsp_handle = base->dsp_handle;
if (!gstdsp_register(dsp_handle, &usn_uuid, DSP_DCD_LIBRARYTYPE, "usn.dll64P")) {
pr_err(self, "failed to register usn node library");
return NULL;
}
codec = base->codec;
if (!codec) {
pr_err(self, "unknown algorithm");
return NULL;
}
pr_info(base, "algo=%s", codec->filename);
if (!gstdsp_register(dsp_handle, codec->uuid, DSP_DCD_LIBRARYTYPE, codec->filename)) {
pr_err(self, "failed to register algo node library");
return NULL;
}
if (!gstdsp_register(dsp_handle, codec->uuid, DSP_DCD_NODETYPE, codec->filename)) {
pr_err(self, "failed to register algo node");
return NULL;
}
{
struct dsp_node_attr_in attrs = {
.cb = sizeof(attrs),
.priority = 5,
.timeout = 1000,
};
void *arg_data;
codec->create_args(base, &attrs.profile_id, &arg_data);
if (!arg_data)
return NULL;
if (!dsp_node_allocate(dsp_handle, base->proc, codec->uuid, arg_data, &attrs, &node)) {
pr_err(self, "dsp node allocate failed");
free(arg_data);
return NULL;
}
free(arg_data);
}
if (!dsp_node_create(dsp_handle, node)) {
pr_err(self, "dsp node create failed");
dsp_node_free(dsp_handle, node);
return NULL;
}
pr_info(self, "dsp node created");
if (codec->setup_params)
codec->setup_params(base);
if (codec->send_params)
codec->send_params(base, node);
return node;
}
static inline bool
destroy_node(GstDspVpp *self,
int dsp_handle,
struct dsp_node *node)
{
if (node) {
if (!dsp_node_free(dsp_handle, node)) {
pr_err(self, "dsp node free failed");
return false;
}
pr_info(self, "dsp node deleted");
}
return true;
}
static inline void
configure_caps(GstDspVpp *self,
GstCaps *in,
GstCaps *out)
{
GstDspBase *base;
GstStructure *out_struc, *in_struc;
const GValue *aspect_ratio;
const GValue *framerate;
GstCaps *allowed_caps;
base = GST_DSP_BASE(self);
in_struc = gst_caps_get_structure(in, 0);
out_struc = gst_structure_new("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('I', '4', '2', '0'),
NULL);
if (gst_structure_get_int(in_struc, "width", &self->width))
self->out_width = self->width;
if (gst_structure_get_int(in_struc, "height", &self->height))
self->out_height = self->height;
allowed_caps = gst_pad_get_allowed_caps(base->srcpad);
if (allowed_caps) {
if (gst_caps_get_size(allowed_caps) > 0) {
GstStructure *s;
s = gst_caps_get_structure(allowed_caps, 0);
gst_structure_get_int(s, "width", &self->out_width);
gst_structure_get_int(s, "height", &self->out_height);
}
gst_caps_unref(allowed_caps);
}
gst_structure_set(out_struc, "width", G_TYPE_INT, self->out_width, NULL);
gst_structure_set(out_struc, "height", G_TYPE_INT, self->out_height, NULL);
aspect_ratio = gst_structure_get_value(in_struc, "pixel-aspect-ratio");
if (aspect_ratio)
gst_structure_set_value(out_struc, "pixel-aspect-ratio", aspect_ratio);
framerate = gst_structure_get_value(in_struc, "framerate");
if (framerate)
gst_structure_set_value(out_struc, "framerate", framerate);
base->output_buffer_size = self->out_width * self->out_height * 1.5;
gst_caps_append_structure(out, out_struc);
}
static void *
create_node(GstDspBase *base)
{
GstDspADec *self;
struct td_codec *codec;
int dsp_handle;
struct dsp_node *node;
const struct dsp_uuid usn_uuid = { 0x79A3C8B3, 0x95F2, 0x403F, 0x9A, 0x4B,
{ 0xCF, 0x80, 0x57, 0x73, 0x05, 0x41 } };
self = GST_DSP_ADEC(base);
dsp_handle = base->dsp_handle;
if (!gstdsp_register(dsp_handle, &usn_uuid, DSP_DCD_LIBRARYTYPE, "usn.dll64P")) {
pr_err(self, "failed to register usn node library");
return NULL;
}
codec = base->codec;
if (!codec) {
pr_err(self, "unknown algorithm");
return NULL;
}
pr_info(base, "algo=%s", codec->filename);
if (!gstdsp_register(dsp_handle, codec->uuid, DSP_DCD_LIBRARYTYPE, codec->filename)) {
pr_err(self, "failed to register algo node library");
return NULL;
}
if (!gstdsp_register(dsp_handle, codec->uuid, DSP_DCD_NODETYPE, codec->filename)) {
pr_err(self, "failed to register algo node");
return NULL;
}
{
struct dsp_node_attr_in attrs = {
.cb = sizeof(attrs),
.priority = 10,
.timeout = 10000,
};
void *arg_data;
codec->create_args(base, &attrs.profile_id, &arg_data);
if (!arg_data)
return NULL;
if (!dsp_node_allocate(dsp_handle, base->proc, codec->uuid, arg_data, &attrs, &node)) {
pr_err(self, "dsp node allocate failed");
free(arg_data);
return NULL;
}
free(arg_data);
}
if (!dsp_node_create(dsp_handle, node)) {
pr_err(self, "dsp node create failed");
dsp_node_free(dsp_handle, node);
return NULL;
}
pr_info(self, "dsp node created");
if (codec->send_params)
codec->send_params(base, node);
if (codec->setup_params)
codec->setup_params(base);
base->flush_buffer = codec->flush_buffer;
return node;
}
static inline void
configure_caps(GstDspADec *self,
GstCaps *in,
GstCaps *out)
{
GstDspBase *base;
GstStructure *out_struc, *in_struc;
int channels;
base = GST_DSP_BASE(self);
in_struc = gst_caps_get_structure(in, 0);
out_struc = gst_structure_new("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
NULL);
if (gst_structure_get_int(in_struc, "channels", &channels))
gst_structure_set(out_struc, "channels", G_TYPE_INT, channels, NULL);
if (gst_structure_get_int(in_struc, "rate", &self->samplerate))
gst_structure_set(out_struc, "rate", G_TYPE_INT, self->samplerate, NULL);
if (base->alg == GSTDSP_AACDEC) {
const char *fmt;
gboolean tmp;
gst_structure_get_boolean(in_struc, "framed", &tmp);
self->packetized = tmp;
fmt = gst_structure_get_string(in_struc, "stream-format");
self->raw = strcmp(fmt, "raw") == 0;
}
base->output_buffer_size = 4 * 1024;
gst_caps_append_structure(out, out_struc);
}
int
main (int argc, char **argv)
{
static const GOptionEntry test_goptions[] = {
{"videosink", '\0', 0, G_OPTION_ARG_STRING, &opt_videosink_str,
"videosink to use (default: " DEFAULT_VIDEOSINK ")", NULL},
{"caps", '\0', 0, G_OPTION_ARG_STRING, &opt_filtercaps_str,
"filter caps to narrow down formats to test", NULL},
{"with-ffmpegcolorspace", '\0', 0, G_OPTION_ARG_NONE,
&opt_with_ffmpegcolorspace,
"whether to add an ffmpegcolorspace element in front of the sink",
NULL},
{NULL, '\0', 0, 0, NULL, NULL, NULL}
};
GOptionContext *ctx;
GError *opt_err = NULL;
GstElement *pipeline, *src, *filter1, *crop, *scale, *filter2, *csp, *sink;
GstCaps *filter_caps = NULL;
GList *caps_list, *l;
#if !GLIB_CHECK_VERSION (2, 31, 0)
if (!g_thread_supported ())
g_thread_init (NULL);
#endif
/* command line option parsing */
ctx = g_option_context_new ("");
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_add_main_entries (ctx, test_goptions, NULL);
if (!g_option_context_parse (ctx, &argc, &argv, &opt_err)) {
g_error ("Error parsing command line options: %s", opt_err->message);
return -1;
}
GST_DEBUG_CATEGORY_INIT (videocrop_test_debug, "videocroptest", 0, "vctest");
pipeline = gst_pipeline_new ("pipeline");
src = gst_element_factory_make ("videotestsrc", "videotestsrc");
g_assert (src != NULL);
filter1 = gst_element_factory_make ("capsfilter", "capsfilter1");
g_assert (filter1 != NULL);
crop = gst_element_factory_make ("videocrop", "videocrop");
g_assert (crop != NULL);
scale = gst_element_factory_make ("videoscale", "videoscale");
g_assert (scale != NULL);
filter2 = gst_element_factory_make ("capsfilter", "capsfilter2");
g_assert (filter2 != NULL);
if (opt_with_ffmpegcolorspace) {
g_print ("Adding ffmpegcolorspace\n");
csp = gst_element_factory_make ("ffmpegcolorspace", "colorspace");
} else {
csp = gst_element_factory_make ("identity", "colorspace");
}
g_assert (csp != NULL);
if (opt_filtercaps_str) {
filter_caps = gst_caps_from_string (opt_filtercaps_str);
if (filter_caps == NULL) {
g_error ("Invalid filter caps string '%s'", opt_filtercaps_str);
} else {
g_print ("Using filter caps '%s'\n", opt_filtercaps_str);
}
}
if (opt_videosink_str) {
g_print ("Trying videosink '%s' ...", opt_videosink_str);
sink = gst_element_factory_make (opt_videosink_str, "sink");
g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
} else {
sink = NULL;
}
if (sink == NULL) {
g_print ("Trying videosink '%s' ...", DEFAULT_VIDEOSINK);
sink = gst_element_factory_make (DEFAULT_VIDEOSINK, "sink");
g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
}
if (sink == NULL) {
g_print ("Trying videosink '%s' ...", "xvimagesink");
sink = gst_element_factory_make ("xvimagesink", "sink");
g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
}
if (sink == NULL) {
g_print ("Trying videosink '%s' ...", "ximagesink");
sink = gst_element_factory_make ("ximagesink", "sink");
g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
}
g_assert (sink != NULL);
gst_bin_add_many (GST_BIN (pipeline), src, filter1, crop, scale, filter2,
csp, sink, NULL);
if (!gst_element_link (src, filter1))
g_error ("Failed to link videotestsrc to capsfilter1");
if (!gst_element_link (filter1, crop))
g_error ("Failed to link capsfilter1 to videocrop");
if (!gst_element_link (crop, scale))
g_error ("Failed to link videocrop to videoscale");
if (!gst_element_link (scale, filter2))
g_error ("Failed to link videoscale to capsfilter2");
if (!gst_element_link (filter2, csp))
g_error ("Failed to link capsfilter2 to ffmpegcolorspace");
if (!gst_element_link (csp, sink))
g_error ("Failed to link ffmpegcolorspace to video sink");
caps_list = video_crop_get_test_caps (crop);
for (l = caps_list; l != NULL; l = l->next) {
GstStateChangeReturn ret;
GstCaps *caps, *out_caps;
gboolean skip = FALSE;
gchar *s;
if (filter_caps) {
GstCaps *icaps;
icaps = gst_caps_intersect (filter_caps, GST_CAPS (l->data));
skip = gst_caps_is_empty (icaps);
gst_caps_unref (icaps);
}
/* this is the size of our window (stays fixed) */
out_caps = gst_caps_copy (GST_CAPS (l->data));
gst_structure_set (gst_caps_get_structure (out_caps, 0), "width",
G_TYPE_INT, OUT_WIDTH, "height", G_TYPE_INT, OUT_HEIGHT, NULL);
g_object_set (filter2, "caps", out_caps, NULL);
/* filter1 gets these too to prevent videotestsrc from renegotiating */
g_object_set (filter1, "caps", out_caps, NULL);
gst_caps_unref (out_caps);
caps = gst_caps_copy (GST_CAPS (l->data));
GST_INFO ("testing format: %" GST_PTR_FORMAT, caps);
s = gst_caps_to_string (caps);
if (skip) {
g_print ("Skipping format: %s\n", s);
g_free (s);
continue;
}
g_print ("Format: %s\n", s);
caps = gst_caps_make_writable (caps);
/* FIXME: check return values */
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (ret != GST_STATE_CHANGE_FAILURE) {
ret = gst_element_get_state (pipeline, NULL, NULL, -1);
if (ret != GST_STATE_CHANGE_FAILURE) {
test_with_caps (src, crop, caps);
} else {
g_print ("Format: %s not supported (failed to go to PLAYING)\n", s);
}
} else {
g_print ("Format: %s not supported\n", s);
}
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_caps_unref (caps);
g_free (s);
}
g_list_foreach (caps_list, (GFunc) gst_caps_unref, NULL);
g_list_free (caps_list);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}
static GstFlowReturn
pad_chain(GstPad *pad, GstBuffer *buf)
{
struct obj *self;
GstFlowReturn ret = GST_FLOW_OK;
AVCodecContext *ctx;
AVFrame *frame = NULL;
int got_pic;
AVPacket pkt;
int read;
self = (struct obj *)((GstObject *)pad)->parent;
GST_DEBUG_OBJECT (self, "pad chain");
ctx = self->av_ctx;
if (G_UNLIKELY(!self->initialized)) {
GstCaps *new_caps;
GstStructure *struc;
self->initialized = true;
if (gst_av_codec_open(ctx, self->codec) < 0) {
ret = GST_FLOW_ERROR;
goto leave;
}
if (self->parse_func)
self->parse_func(self, buf);
new_caps = gst_caps_new_empty();
struc = gst_structure_new("video/x-raw-yuv",
"width", G_TYPE_INT, ctx->width,
"height", G_TYPE_INT, ctx->height,
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('I','4','2','0'),
NULL);
if (ctx->time_base.num)
gst_structure_set(struc,
"framerate", GST_TYPE_FRACTION,
ctx->time_base.den,
ctx->time_base.num * ctx->ticks_per_frame,
NULL);
if (ctx->sample_aspect_ratio.num)
gst_structure_set(struc,
"pixel-aspect-ratio", GST_TYPE_FRACTION,
ctx->sample_aspect_ratio.num, ctx->sample_aspect_ratio.den,
NULL);
gst_caps_append_structure(new_caps, struc);
GST_INFO_OBJECT(self, "caps are: %" GST_PTR_FORMAT, new_caps);
gst_pad_set_caps(self->srcpad, new_caps);
gst_caps_unref(new_caps);
}
av_new_packet(&pkt, buf->size);
memcpy(pkt.data, buf->data, buf->size);
memset(pkt.data + pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
frame = avcodec_alloc_frame();
pkt.dts = pkt.pts = gstav_timestamp_to_pts(ctx, buf->timestamp);
#if LIBAVCODEC_VERSION_MAJOR < 53
ctx->reordered_opaque = pkt.dts;
#endif
g_mutex_lock(&self->mutex);
read = avcodec_decode_video2(ctx, frame, &got_pic, &pkt);
av_free_packet(&pkt);
if (read < 0) {
GST_WARNING_OBJECT(self, "error: %i", read);
g_mutex_unlock(&self->mutex);
goto leave;
}
if (got_pic) {
GstBuffer *out_buf;
out_buf = convert_frame(self, frame);
g_mutex_unlock(&self->mutex);
ret = gst_pad_push(self->srcpad, out_buf);
}
else
g_mutex_unlock(&self->mutex);
leave:
av_free(frame);
gst_buffer_unref(buf);
GST_DEBUG_OBJECT (self, "pad chain returning %s", gst_flow_get_name (ret));
return ret;
}
/**
* adapt_image_capture:
* @self: camerasrc object
* @in_caps: caps object that describes incoming image format
*
* Adjust capsfilters and crop according image capture caps if necessary.
* The captured image format from video source might be different from
* what application requested, so we can try to fix that in camerabin.
*
*/
static void
adapt_image_capture (GstWrapperCameraBinSrc * self, GstCaps * in_caps)
{
GstBaseCameraBinSrc *bcamsrc = GST_BASE_CAMERA_SRC (self);
GstStructure *in_st, *new_st, *req_st;
gint in_width = 0, in_height = 0, req_width = 0, req_height = 0, crop = 0;
gdouble ratio_w, ratio_h;
GstCaps *filter_caps = NULL;
GST_LOG_OBJECT (self, "in caps: %" GST_PTR_FORMAT, in_caps);
GST_LOG_OBJECT (self, "requested caps: %" GST_PTR_FORMAT,
self->image_capture_caps);
in_st = gst_caps_get_structure (in_caps, 0);
gst_structure_get_int (in_st, "width", &in_width);
gst_structure_get_int (in_st, "height", &in_height);
req_st = gst_caps_get_structure (self->image_capture_caps, 0);
gst_structure_get_int (req_st, "width", &req_width);
gst_structure_get_int (req_st, "height", &req_height);
GST_INFO_OBJECT (self, "we requested %dx%d, and got %dx%d", req_width,
req_height, in_width, in_height);
new_st = gst_structure_copy (req_st);
/* If new fields have been added, we need to copy them */
gst_structure_foreach (in_st, copy_missing_fields, new_st);
gst_structure_set (new_st, "width", G_TYPE_INT, in_width, "height",
G_TYPE_INT, in_height, NULL);
GST_LOG_OBJECT (self, "new image capture caps: %" GST_PTR_FORMAT, new_st);
/* Crop if requested aspect ratio differs from incoming frame aspect ratio */
if (self->src_zoom_crop) {
ratio_w = (gdouble) in_width / req_width;
ratio_h = (gdouble) in_height / req_height;
if (ratio_w < ratio_h) {
crop = in_height - (req_height * ratio_w);
self->base_crop_top = crop / 2;
self->base_crop_bottom = crop / 2;
} else {
crop = in_width - (req_width * ratio_h);
self->base_crop_left = crop / 2;
self->base_crop_right += crop / 2;
}
GST_INFO_OBJECT (self,
"setting base crop: left:%d, right:%d, top:%d, bottom:%d",
self->base_crop_left, self->base_crop_right, self->base_crop_top,
self->base_crop_bottom);
g_object_set (G_OBJECT (self->src_zoom_crop),
"top", self->base_crop_top,
"bottom", self->base_crop_bottom,
"left", self->base_crop_left, "right", self->base_crop_right, NULL);
}
/* Update capsfilters */
if (self->image_capture_caps) {
gst_caps_unref (self->image_capture_caps);
}
self->image_capture_caps = gst_caps_new_full (new_st, NULL);
set_capsfilter_caps (self, self->image_capture_caps);
/* Adjust the capsfilter before crop and videoscale elements if necessary */
if (in_width == bcamsrc->width && in_height == bcamsrc->height) {
GST_DEBUG_OBJECT (self, "no adaptation with resolution needed");
} else {
GST_DEBUG_OBJECT (self,
"changing %" GST_PTR_FORMAT " from %dx%d to %dx%d", self->src_filter,
bcamsrc->width, bcamsrc->height, in_width, in_height);
/* Apply the width and height to filter caps */
g_object_get (G_OBJECT (self->src_filter), "caps", &filter_caps, NULL);
filter_caps = gst_caps_make_writable (filter_caps);
gst_caps_set_simple (filter_caps, "width", G_TYPE_INT, in_width, "height",
G_TYPE_INT, in_height, NULL);
g_object_set (G_OBJECT (self->src_filter), "caps", filter_caps, NULL);
gst_caps_unref (filter_caps);
}
}
/**
* gst_basertppayload_set_outcaps:
* @payload: a #GstBaseRTPPayload
* @fieldname: the first field name or %NULL
* @...: field values
*
* Configure the output caps with the optional parameters.
*
* Variable arguments should be in the form field name, field type
* (as a GType), value(s). The last variable argument should be NULL.
*
* Returns: %TRUE if the caps could be set.
*/
gboolean
gst_basertppayload_set_outcaps (GstBaseRTPPayload * payload, gchar * fieldname,
...)
{
GstCaps *srccaps, *peercaps;
gboolean res;
/* fill in the defaults, there properties cannot be negotiated. */
srccaps = gst_caps_new_simple ("application/x-rtp",
"media", G_TYPE_STRING, payload->media,
"clock-rate", G_TYPE_INT, payload->clock_rate,
"encoding-name", G_TYPE_STRING, payload->encoding_name, NULL);
GST_DEBUG_OBJECT (payload, "defaults: %" GST_PTR_FORMAT, srccaps);
if (fieldname) {
va_list varargs;
/* override with custom properties */
va_start (varargs, fieldname);
gst_caps_set_simple_valist (srccaps, fieldname, varargs);
va_end (varargs);
GST_DEBUG_OBJECT (payload, "custom added: %" GST_PTR_FORMAT, srccaps);
}
/* the peer caps can override some of the defaults */
peercaps = gst_pad_peer_get_caps (payload->srcpad);
if (peercaps == NULL) {
/* no peer caps, just add the other properties */
gst_caps_set_simple (srccaps,
"payload", G_TYPE_INT, GST_BASE_RTP_PAYLOAD_PT (payload),
"ssrc", G_TYPE_UINT, payload->current_ssrc,
"clock-base", G_TYPE_UINT, payload->ts_base,
"seqnum-base", G_TYPE_UINT, payload->seqnum_base, NULL);
GST_DEBUG_OBJECT (payload, "no peer caps: %" GST_PTR_FORMAT, srccaps);
} else {
GstCaps *temp;
GstStructure *s, *d;
const GValue *value;
gint pt;
/* peer provides caps we can use to fixate, intersect. This always returns a
* writable caps. */
temp = gst_caps_intersect (srccaps, peercaps);
gst_caps_unref (srccaps);
gst_caps_unref (peercaps);
/* now fixate, start by taking the first caps */
gst_caps_truncate (temp);
/* get first structure */
s = gst_caps_get_structure (temp, 0);
if (gst_structure_get_int (s, "payload", &pt)) {
/* use peer pt */
GST_BASE_RTP_PAYLOAD_PT (payload) = pt;
GST_LOG_OBJECT (payload, "using peer pt %d", pt);
} else {
if (gst_structure_has_field (s, "payload")) {
/* can only fixate if there is a field */
gst_structure_fixate_field_nearest_int (s, "payload",
GST_BASE_RTP_PAYLOAD_PT (payload));
gst_structure_get_int (s, "payload", &pt);
GST_LOG_OBJECT (payload, "using peer pt %d", pt);
} else {
/* no pt field, use the internal pt */
pt = GST_BASE_RTP_PAYLOAD_PT (payload);
gst_structure_set (s, "payload", G_TYPE_INT, pt, NULL);
GST_LOG_OBJECT (payload, "using internal pt %d", pt);
}
}
if (gst_structure_has_field_typed (s, "ssrc", G_TYPE_UINT)) {
value = gst_structure_get_value (s, "ssrc");
payload->current_ssrc = g_value_get_uint (value);
GST_LOG_OBJECT (payload, "using peer ssrc %08x", payload->current_ssrc);
} else {
/* FIXME, fixate_nearest_uint would be even better */
gst_structure_set (s, "ssrc", G_TYPE_UINT, payload->current_ssrc, NULL);
GST_LOG_OBJECT (payload, "using internal ssrc %08x",
payload->current_ssrc);
}
if (gst_structure_has_field_typed (s, "clock-base", G_TYPE_UINT)) {
value = gst_structure_get_value (s, "clock-base");
payload->ts_base = g_value_get_uint (value);
GST_LOG_OBJECT (payload, "using peer clock-base %u", payload->ts_base);
} else {
/* FIXME, fixate_nearest_uint would be even better */
gst_structure_set (s, "clock-base", G_TYPE_UINT, payload->ts_base, NULL);
GST_LOG_OBJECT (payload, "using internal clock-base %u",
payload->ts_base);
}
if (gst_structure_has_field_typed (s, "seqnum-base", G_TYPE_UINT)) {
value = gst_structure_get_value (s, "seqnum-base");
payload->seqnum_base = g_value_get_uint (value);
GST_LOG_OBJECT (payload, "using peer seqnum-base %u",
payload->seqnum_base);
} else {
/* FIXME, fixate_nearest_uint would be even better */
gst_structure_set (s, "seqnum-base", G_TYPE_UINT, payload->seqnum_base,
NULL);
GST_LOG_OBJECT (payload, "using internal seqnum-base %u",
payload->seqnum_base);
}
/* make the target caps by copying over all the fixed caps, removing the
* unfixed caps. */
srccaps = gst_caps_new_simple (gst_structure_get_name (s), NULL);
d = gst_caps_get_structure (srccaps, 0);
gst_structure_foreach (s, (GstStructureForeachFunc) copy_fixed, d);
gst_caps_unref (temp);
GST_DEBUG_OBJECT (payload, "with peer caps: %" GST_PTR_FORMAT, srccaps);
}
res = gst_pad_set_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload), srccaps);
gst_caps_unref (srccaps);
return res;
}
static GstFlowReturn
gst_skor_sink_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * frame)
{
GstSkorSink *sink = GST_SKORSINK (vfilter);
gpointer data;
gint stride, height;
zbar_image_t *image;
const zbar_symbol_t *symbol;
int n;
image = zbar_image_create ();
/* all formats we support start with an 8-bit Y plane. zbar doesn't need
* to know about the chroma plane(s) */
data = GST_VIDEO_FRAME_COMP_DATA (frame, 0);
stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
height = GST_VIDEO_FRAME_HEIGHT (frame);
zbar_image_set_format (image, GST_MAKE_FOURCC ('Y', '8', '0', '0'));
zbar_image_set_size (image, stride, height);
zbar_image_set_data (image, (gpointer) data, stride * height, NULL);
/* scan the image for barcodes */
n = zbar_scan_image (sink->scanner, image);
if (G_UNLIKELY (n == -1)) {
GST_WARNING_OBJECT (sink, "Error trying to scan frame. Skipping");
goto out;
}
if (n == 0)
goto out;
/* extract results */
symbol = zbar_image_first_symbol (image);
for (; symbol; symbol = zbar_symbol_next (symbol)) {
zbar_symbol_type_t typ = zbar_symbol_get_type (symbol);
const char *data = zbar_symbol_get_data (symbol);
gint quality = zbar_symbol_get_quality (symbol);
GST_DEBUG_OBJECT (sink, "decoded %s symbol \"%s\" at quality %d",
zbar_get_symbol_name (typ), data, quality);
if (sink->cache && zbar_symbol_get_count (symbol) != 0)
continue;
if (sink->data_consumer)
sink->data_consumer (data);
if (sink->message) {
GstMessage *m;
GstStructure *s;
GstSample *sample;
GstCaps *sample_caps;
s = gst_structure_new ("barcode",
"timestamp", G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (frame->buffer),
"type", G_TYPE_STRING, zbar_get_symbol_name (typ),
"symbol", G_TYPE_STRING, data, "quality", G_TYPE_INT, quality, NULL);
if (sink->attach_frame) {
/* create a sample from image */
sample_caps = gst_video_info_to_caps (&frame->info);
sample = gst_sample_new (frame->buffer, sample_caps, NULL, NULL);
gst_caps_unref (sample_caps);
gst_structure_set (s, "frame", GST_TYPE_SAMPLE, sample, NULL);
gst_sample_unref (sample);
}
m = gst_message_new_element (GST_OBJECT (sink), s);
gst_element_post_message (GST_ELEMENT (sink), m);
} else if (sink->attach_frame)
GST_WARNING_OBJECT (sink,
"attach-frame=true has no effect if message=false");
}
out:
/* clean up */
zbar_image_scanner_recycle_image (sink->scanner, image);
zbar_image_destroy (image);
return GST_FLOW_OK;
}
static GstStructure* vlc_to_gst_fmt( const es_format_t *p_fmt )
{
const video_format_t *p_vfmt = &p_fmt->video;
GstStructure *p_str = NULL;
switch( p_fmt->i_codec ){
case VLC_CODEC_H264:
p_str = gst_structure_new_empty( "video/x-h264" );
gst_structure_set( p_str, "alignment", G_TYPE_STRING, "au", NULL );
if( p_fmt->i_extra )
gst_structure_set( p_str, "stream-format", G_TYPE_STRING, "avc",
NULL );
else
gst_structure_set( p_str, "stream-format", G_TYPE_STRING,
"byte-stream", NULL );
break;
case VLC_CODEC_MP4V:
p_str = gst_structure_new_empty( "video/mpeg" );
gst_structure_set( p_str, "mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL );
break;
case VLC_CODEC_VP8:
p_str = gst_structure_new_empty( "video/x-vp8" );
break;
case VLC_CODEC_MPGV:
p_str = gst_structure_new_empty( "video/mpeg" );
gst_structure_set( p_str, "mpegversion", G_TYPE_INT, 2,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL );
break;
case VLC_CODEC_FLV1:
p_str = gst_structure_new_empty( "video/x-flash-video" );
gst_structure_set( p_str, "flvversion", G_TYPE_INT, 1, NULL );
break;
case VLC_CODEC_WMV1:
p_str = gst_structure_new_empty( "video/x-wmv" );
gst_structure_set( p_str, "wmvversion", G_TYPE_INT, 1,
"format", G_TYPE_STRING, "WMV1", NULL );
break;
case VLC_CODEC_WMV2:
p_str = gst_structure_new_empty( "video/x-wmv" );
gst_structure_set( p_str, "wmvversion", G_TYPE_INT, 2,
"format", G_TYPE_STRING, "WMV2", NULL );
break;
case VLC_CODEC_WMV3:
p_str = gst_structure_new_empty( "video/x-wmv" );
gst_structure_set( p_str, "wmvversion", G_TYPE_INT, 3,
"format", G_TYPE_STRING, "WMV3", NULL );
break;
case VLC_CODEC_VC1:
p_str = gst_structure_new_empty( "video/x-wmv" );
gst_structure_set( p_str, "wmvversion", G_TYPE_INT, 3,
"format", G_TYPE_STRING, "WVC1", NULL );
break;
default:
/* unsupported codec */
return NULL;
}
if( p_vfmt->i_width && p_vfmt->i_height )
gst_structure_set( p_str,
"width", G_TYPE_INT, p_vfmt->i_width,
"height", G_TYPE_INT, p_vfmt->i_height, NULL );
if( p_vfmt->i_frame_rate && p_vfmt->i_frame_rate_base )
gst_structure_set( p_str, "framerate", GST_TYPE_FRACTION,
p_vfmt->i_frame_rate,
p_vfmt->i_frame_rate_base, NULL );
if( p_vfmt->i_sar_num && p_vfmt->i_sar_den )
gst_structure_set( p_str, "pixel-aspect-ratio", GST_TYPE_FRACTION,
p_vfmt->i_sar_num,
p_vfmt->i_sar_den, NULL );
if( p_fmt->i_extra )
{
GstBuffer *p_buf;
p_buf = gst_buffer_new_wrapped_full( GST_MEMORY_FLAG_READONLY,
p_fmt->p_extra, p_fmt->i_extra, 0,
p_fmt->i_extra, NULL, NULL );
if( p_buf == NULL )
{
gst_structure_free( p_str );
return NULL;
}
gst_structure_set( p_str, "codec_data", GST_TYPE_BUFFER, p_buf, NULL );
gst_buffer_unref( p_buf );
}
return p_str;
}
static GstCaps *
gst_video_rate_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstVideoRate *videorate = GST_VIDEO_RATE (trans);
GstCaps *ret;
GstStructure *s, *s1, *s2, *s3 = NULL;
int maxrate = g_atomic_int_get (&videorate->max_rate);
gint i;
ret = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); i++) {
s = gst_caps_get_structure (caps, i);
s1 = gst_structure_copy (s);
s2 = gst_structure_copy (s);
if (videorate->drop_only) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
/* Clamp the caps to our maximum rate as the first caps if possible */
if (!gst_video_max_rate_clamp_structure (s1, maxrate,
&min_num, &min_denom, &max_num, &max_denom)) {
min_num = 0;
min_denom = 1;
max_num = maxrate;
max_denom = 1;
/* clamp wouldn't be a real subset of 1..maxrate, in this case the sink
* caps should become [1..maxrate], [1..maxint] and the src caps just
* [1..maxrate]. In case there was a caps incompatibility things will
* explode later as appropriate :)
*
* In case [X..maxrate] == [X..maxint], skip as we'll set it later
*/
if (direction == GST_PAD_SRC && maxrate != G_MAXINT)
gst_structure_set (s1, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, maxrate, 1, NULL);
else {
gst_structure_free (s1);
s1 = NULL;
}
}
if (direction == GST_PAD_SRC) {
/* We can accept anything as long as it's at least the minimal framerate
* the the sink needs */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, G_MAXINT, 1, NULL);
/* Also allow unknown framerate, if it isn't already */
if (min_num != 0 || min_denom != 1) {
s3 = gst_structure_copy (s);
gst_structure_set (s3, "framerate", GST_TYPE_FRACTION, 0, 1, NULL);
}
} else if (max_num != 0 || max_denom != 1) {
/* We can provide everything upto the maximum framerate at the src */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
0, 1, max_num, max_denom, NULL);
}
} else if (direction == GST_PAD_SINK) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
if (!gst_video_max_rate_clamp_structure (s1, maxrate,
&min_num, &min_denom, &max_num, &max_denom)) {
gst_structure_free (s1);
s1 = NULL;
}
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
maxrate, 1, NULL);
} else {
/* set the framerate as a range */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
G_MAXINT, 1, NULL);
}
if (s1 != NULL)
ret = gst_caps_merge_structure (ret, s1);
ret = gst_caps_merge_structure (ret, s2);
if (s3 != NULL)
ret = gst_caps_merge_structure (ret, s3);
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (ret);
ret = intersection;
}
return ret;
}
