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authorJacopo Mondi <jacopo@jmondi.org>2020-10-03 11:28:47 +0200
committerJacopo Mondi <jacopo@jmondi.org>2020-10-07 16:07:44 +0200
commit9e95d5e4531039f8e21c65ea88be9ad6aaa1ced0 (patch)
treeddfafef1ab03c7fe27e181233a8ccd4e9ea56f63 /src/qcam/assets/feathericons/arrow-up-circle.svg
parent160bb0998bc47abefeb876be1ecbff9534960dbc (diff)
android: camera_device: Move processing to CameraStream
Move the JPEG processing procedure to the individual CameraStream by augmenting the class with a CameraStream::process() method. This allows removing the CameraStream::encoder() method. Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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generated by cgit v1.2.1 (git 2.18.0) at 2025-01-10 06:43:52 +0000
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Collabora Ltd.
 *     Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
 *
 * gstlibcamerapad.cpp - GStreamer Capture Pad
 */

#include "gstlibcamerapad.h"

#include <libcamera/stream.h>

#include "gstlibcamera-utils.h"

using namespace libcamera;

struct _GstLibcameraPad {
	GstPad parent;
	StreamRole role;
	GstLibcameraPool *pool;
	GQueue pending_buffers;
	GstClockTime latency;
};

enum {
	PROP_0,
	PROP_STREAM_ROLE
};

G_DEFINE_TYPE(GstLibcameraPad, gst_libcamera_pad, GST_TYPE_PAD)

static void
gst_libcamera_pad_set_property(GObject *object, guint prop_id,
			       const GValue *value, GParamSpec *pspec)
{
	auto *self = GST_LIBCAMERA_PAD(object);
	GLibLocker lock(GST_OBJECT(self));

	switch (prop_id) {
	case PROP_STREAM_ROLE:
		self->role = (StreamRole)g_value_get_enum(value);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
		break;
	}
}

static void
gst_libcamera_pad_get_property(GObject *object, guint prop_id, GValue *value,
			       GParamSpec *pspec)
{
	auto *self = GST_LIBCAMERA_PAD(object);
	GLibLocker lock(GST_OBJECT(self));

	switch (prop_id) {
	case PROP_STREAM_ROLE:
		g_value_set_enum(value, self->role);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
		break;
	}
}

static gboolean
gst_libcamera_pad_query(GstPad *pad, GstObject *parent, GstQuery *query)
{
	auto *self = GST_LIBCAMERA_PAD(pad);

	if (query->type != GST_QUERY_LATENCY)
		return gst_pad_query_default(pad, parent, query);

	/* TRUE here means live, we assumes that max latency is the same as min
	 * as we have no idea that duration of frames. */
	gst_query_set_latency(query, TRUE, self->latency, self->latency);
	return TRUE;
}

static void
gst_libcamera_pad_init(GstLibcameraPad *self)
{
	GST_PAD_QUERYFUNC(self) = gst_libcamera_pad_query;
}

static GType
gst_libcamera_stream_role_get_type()
{
	static GType type = 0;
	static const GEnumValue values[] = {
		{ StillCapture, "libcamera::StillCapture", "still-capture" },
		{ VideoRecording, "libcamera::VideoRecording", "video-recording" },
		{ Viewfinder, "libcamera::Viewfinder", "view-finder" },
		{ 0, NULL, NULL }
	};

	if (!type)
		type = g_enum_register_static("GstLibcameraStreamRole", values);

	return type;
}

static void
gst_libcamera_pad_class_init(GstLibcameraPadClass *klass)
{