summaryrefslogtreecommitdiff
path: root/package/gentoo
diff options
context:
space:
mode:
Diffstat (limited to 'package/gentoo')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-09 08:22:45 +0000
'n64' href='#n64'>64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2020, Collabora Ltd.
 *     Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
 *
 * gstlibcamerapool.cpp - GStreamer Buffer Pool
 */

#include "gstlibcamerapool.h"

#include <libcamera/stream.h>

#include "gstlibcamera-utils.h"

using namespace libcamera;

enum {
	SIGNAL_BUFFER_NOTIFY,
	N_SIGNALS
};

static guint signals[N_SIGNALS];

struct _GstLibcameraPool {
	GstBufferPool parent;

	GstAtomicQueue *queue;
	GstLibcameraAllocator *allocator;
	Stream *stream;
};

G_DEFINE_TYPE(GstLibcameraPool, gst_libcamera_pool, GST_TYPE_BUFFER_POOL)

static GstFlowReturn
gst_libcamera_pool_acquire_buffer(GstBufferPool *pool, GstBuffer **buffer,
				  [[maybe_unused]] GstBufferPoolAcquireParams *params)
{
	GstLibcameraPool *self = GST_LIBCAMERA_POOL(pool);
	GstBuffer *buf = GST_BUFFER(gst_atomic_queue_pop(self->queue));
	if (!buf)
		return GST_FLOW_ERROR;

	if (!gst_libcamera_allocator_prepare_buffer(self->allocator, self->stream, buf)) {
		gst_atomic_queue_push(self->queue, buf);
		return GST_FLOW_ERROR;
	}

	*buffer = buf;
	return GST_FLOW_OK;
}

static void
gst_libcamera_pool_reset_buffer(GstBufferPool *pool, GstBuffer *buffer)
{
	GstBufferPoolClass *klass = GST_BUFFER_POOL_CLASS(gst_libcamera_pool_parent_class);

	/* Clears all the memories and only pool the GstBuffer objects */
	gst_buffer_remove_all_memory(buffer);
	klass->reset_buffer(pool, buffer);