mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
miniobject: port to 0.11
Use buffer private data instead of subclassing.
This commit is contained in:
Wim Taymans
parent
8131d1157f
commit
d90a388289
7 changed files with 178 additions and 246 deletions
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@ -52,23 +52,24 @@
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GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
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#define GST_CAT_DEFAULT v4l2_debug
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/*
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* GstV4l2Buffer:
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*/
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static GstBufferClass *v4l2buffer_parent_class = NULL;
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static void
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gst_v4l2_buffer_finalize (GstV4l2Buffer * buffer)
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gst_v4l2_buffer_dispose (GstBuffer * buffer)
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{
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GstV4l2Data *data;
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GstV4l2BufferPool *pool;
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gboolean resuscitated = FALSE;
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gint index;
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pool = buffer->pool;
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data = GST_V4L2_GET_DATA (buffer);
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g_assert (data != NULL);
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index = buffer->vbuffer.index;
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pool = data->pool;
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index = data->vbuffer.index;
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GST_LOG_OBJECT (pool->v4l2elem, "finalizing buffer %p %d", buffer, index);
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@ -95,7 +96,7 @@ gst_v4l2_buffer_finalize (GstV4l2Buffer * buffer)
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if (resuscitated) {
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/* FIXME: check that the caps didn't change */
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GST_LOG_OBJECT (pool->v4l2elem, "reviving buffer %p, %d", buffer, index);
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gst_buffer_ref (GST_BUFFER (buffer));
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gst_buffer_ref (buffer);
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GST_BUFFER_SIZE (buffer) = 0;
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pool->buffers[index] = buffer;
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}
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@ -105,96 +106,65 @@ gst_v4l2_buffer_finalize (GstV4l2Buffer * buffer)
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if (!resuscitated) {
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GST_LOG_OBJECT (pool->v4l2elem,
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"buffer %p (data %p, len %u) not recovered, unmapping",
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buffer, GST_BUFFER_DATA (buffer), buffer->vbuffer.length);
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gst_mini_object_unref (GST_MINI_OBJECT (pool));
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v4l2_munmap ((void *) GST_BUFFER_DATA (buffer), buffer->vbuffer.length);
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buffer, GST_BUFFER_DATA (buffer), data->vbuffer.length);
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v4l2_munmap ((void *) GST_BUFFER_DATA (buffer), data->vbuffer.length);
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GST_MINI_OBJECT_CLASS (v4l2buffer_parent_class)->finalize (GST_MINI_OBJECT
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(buffer));
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g_object_unref (pool);
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g_slice_free (GstV4l2Data, data);
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buffer->owner_priv = NULL;
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}
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}
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static void
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gst_v4l2_buffer_class_init (gpointer g_class, gpointer class_data)
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{
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GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
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v4l2buffer_parent_class = g_type_class_peek_parent (g_class);
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mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
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gst_v4l2_buffer_finalize;
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}
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GType
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gst_v4l2_buffer_get_type (void)
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{
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static GType _gst_v4l2_buffer_type;
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if (G_UNLIKELY (_gst_v4l2_buffer_type == 0)) {
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static const GTypeInfo v4l2_buffer_info = {
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sizeof (GstBufferClass),
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NULL,
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NULL,
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gst_v4l2_buffer_class_init,
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NULL,
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NULL,
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sizeof (GstV4l2Buffer),
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0,
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NULL,
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NULL
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};
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_gst_v4l2_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
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"GstV4l2Buffer", &v4l2_buffer_info, 0);
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}
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return _gst_v4l2_buffer_type;
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}
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static GstV4l2Buffer *
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static GstBuffer *
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gst_v4l2_buffer_new (GstV4l2BufferPool * pool, guint index, GstCaps * caps)
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{
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GstV4l2Buffer *ret;
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guint8 *data;
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GstV4l2Data *data;
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GstBuffer *ret;
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guint8 *mem;
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ret = (GstV4l2Buffer *) gst_mini_object_new (GST_TYPE_V4L2_BUFFER);
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ret = gst_buffer_new ();
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data = g_slice_new (GstV4l2Data);
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ret->owner_priv = data;
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GST_MINI_OBJECT_CAST (ret)->dispose =
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(GstMiniObjectDisposeFunction) gst_v4l2_buffer_dispose;
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GST_LOG_OBJECT (pool->v4l2elem, "creating buffer %u, %p in pool %p", index,
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ret, pool);
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ret->pool =
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(GstV4l2BufferPool *) gst_mini_object_ref (GST_MINI_OBJECT (pool));
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data->pool = (GstV4l2BufferPool *) g_object_ref (pool);
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ret->vbuffer.index = index;
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ret->vbuffer.type = pool->type;
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ret->vbuffer.memory = V4L2_MEMORY_MMAP;
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data->vbuffer.index = index;
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data->vbuffer.type = pool->type;
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data->vbuffer.memory = V4L2_MEMORY_MMAP;
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if (v4l2_ioctl (pool->video_fd, VIDIOC_QUERYBUF, &ret->vbuffer) < 0)
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if (v4l2_ioctl (pool->video_fd, VIDIOC_QUERYBUF, &data->vbuffer) < 0)
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goto querybuf_failed;
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GST_LOG_OBJECT (pool->v4l2elem, " index: %u", ret->vbuffer.index);
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GST_LOG_OBJECT (pool->v4l2elem, " type: %d", ret->vbuffer.type);
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GST_LOG_OBJECT (pool->v4l2elem, " bytesused: %u", ret->vbuffer.bytesused);
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GST_LOG_OBJECT (pool->v4l2elem, " flags: %08x", ret->vbuffer.flags);
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GST_LOG_OBJECT (pool->v4l2elem, " field: %d", ret->vbuffer.field);
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GST_LOG_OBJECT (pool->v4l2elem, " memory: %d", ret->vbuffer.memory);
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if (ret->vbuffer.memory == V4L2_MEMORY_MMAP)
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GST_LOG_OBJECT (pool->v4l2elem, " index: %u", data->vbuffer.index);
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GST_LOG_OBJECT (pool->v4l2elem, " type: %d", data->vbuffer.type);
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GST_LOG_OBJECT (pool->v4l2elem, " bytesused: %u", data->vbuffer.bytesused);
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GST_LOG_OBJECT (pool->v4l2elem, " flags: %08x", data->vbuffer.flags);
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GST_LOG_OBJECT (pool->v4l2elem, " field: %d", data->vbuffer.field);
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GST_LOG_OBJECT (pool->v4l2elem, " memory: %d", data->vbuffer.memory);
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if (data->vbuffer.memory == V4L2_MEMORY_MMAP)
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GST_LOG_OBJECT (pool->v4l2elem, " MMAP offset: %u",
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ret->vbuffer.m.offset);
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GST_LOG_OBJECT (pool->v4l2elem, " length: %u", ret->vbuffer.length);
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GST_LOG_OBJECT (pool->v4l2elem, " input: %u", ret->vbuffer.input);
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data->vbuffer.m.offset);
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GST_LOG_OBJECT (pool->v4l2elem, " length: %u", data->vbuffer.length);
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GST_LOG_OBJECT (pool->v4l2elem, " input: %u", data->vbuffer.input);
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data = (guint8 *) v4l2_mmap (0, ret->vbuffer.length,
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mem = (guint8 *) v4l2_mmap (0, data->vbuffer.length,
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PROT_READ | PROT_WRITE, MAP_SHARED, pool->video_fd,
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ret->vbuffer.m.offset);
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data->vbuffer.m.offset);
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if (data == MAP_FAILED)
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if (mem == MAP_FAILED)
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goto mmap_failed;
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GST_BUFFER_DATA (ret) = data;
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GST_BUFFER_SIZE (ret) = ret->vbuffer.length;
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GST_BUFFER_DATA (ret) = mem;
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GST_BUFFER_SIZE (ret) = data->vbuffer.length;
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GST_BUFFER_FLAG_SET (ret, GST_BUFFER_FLAG_READONLY);
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gst_buffer_set_caps (GST_BUFFER (ret), caps);
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gst_buffer_set_caps (ret, caps);
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return ret;
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@ -204,7 +174,7 @@ querybuf_failed:
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gint errnosave = errno;
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GST_WARNING ("Failed QUERYBUF: %s", g_strerror (errnosave));
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gst_buffer_unref (GST_BUFFER (ret));
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gst_buffer_unref (ret);
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errno = errnosave;
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return NULL;
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}
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@ -213,7 +183,7 @@ mmap_failed:
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gint errnosave = errno;
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GST_WARNING ("Failed to mmap: %s", g_strerror (errnosave));
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gst_buffer_unref (GST_BUFFER (ret));
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gst_buffer_unref (ret);
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errno = errnosave;
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return NULL;
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}
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@ -224,11 +194,13 @@ mmap_failed:
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* GstV4l2BufferPool:
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*/
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static GstMiniObjectClass *buffer_pool_parent_class = NULL;
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static GObjectClass *buffer_pool_parent_class = NULL;
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static void
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gst_v4l2_buffer_pool_finalize (GstV4l2BufferPool * pool)
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gst_v4l2_buffer_pool_finalize (GObject * object)
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{
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GstV4l2BufferPool *pool = GST_V4L2_BUFFER_POOL (object);
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g_mutex_free (pool->lock);
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pool->lock = NULL;
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@ -243,8 +215,7 @@ gst_v4l2_buffer_pool_finalize (GstV4l2BufferPool * pool)
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pool->buffers = NULL;
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}
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GST_MINI_OBJECT_CLASS (buffer_pool_parent_class)->finalize (GST_MINI_OBJECT
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(pool));
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buffer_pool_parent_class->finalize (object);
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}
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static void
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@ -258,12 +229,11 @@ gst_v4l2_buffer_pool_init (GstV4l2BufferPool * pool, gpointer g_class)
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static void
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gst_v4l2_buffer_pool_class_init (gpointer g_class, gpointer class_data)
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{
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GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
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GObjectClass *object_class = G_OBJECT_CLASS (g_class);
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buffer_pool_parent_class = g_type_class_peek_parent (g_class);
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mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
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gst_v4l2_buffer_pool_finalize;
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object_class->finalize = gst_v4l2_buffer_pool_finalize;
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}
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GType
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@ -273,7 +243,7 @@ gst_v4l2_buffer_pool_get_type (void)
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if (G_UNLIKELY (_gst_v4l2_buffer_pool_type == 0)) {
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static const GTypeInfo v4l2_buffer_pool_info = {
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sizeof (GstMiniObjectClass),
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sizeof (GObjectClass),
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NULL,
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NULL,
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gst_v4l2_buffer_pool_class_init,
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@ -284,7 +254,7 @@ gst_v4l2_buffer_pool_get_type (void)
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(GInstanceInitFunc) gst_v4l2_buffer_pool_init,
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NULL
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};
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_gst_v4l2_buffer_pool_type = g_type_register_static (GST_TYPE_MINI_OBJECT,
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_gst_v4l2_buffer_pool_type = g_type_register_static (G_TYPE_OBJECT,
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"GstV4l2BufferPool", &v4l2_buffer_pool_info, 0);
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}
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return _gst_v4l2_buffer_pool_type;
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@ -335,7 +305,7 @@ gst_v4l2_buffer_pool_new (GstElement * v4l2elem, gint fd, gint num_buffers,
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gint n;
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struct v4l2_requestbuffers breq;
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pool = (GstV4l2BufferPool *) gst_mini_object_new (GST_TYPE_V4L2_BUFFER_POOL);
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pool = (GstV4l2BufferPool *) g_object_new (GST_TYPE_V4L2_BUFFER_POOL, NULL);
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pool->video_fd = v4l2_dup (fd);
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if (pool->video_fd < 0)
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@ -370,7 +340,7 @@ gst_v4l2_buffer_pool_new (GstElement * v4l2elem, gint fd, gint num_buffers,
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pool->requeuebuf = requeuebuf;
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pool->type = type;
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pool->buffer_count = num_buffers;
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pool->buffers = g_new0 (GstV4l2Buffer *, num_buffers);
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pool->buffers = g_new0 (GstBuffer *, num_buffers);
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pool->avail_buffers = g_async_queue_new ();
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/* now, map the buffers: */
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@ -389,7 +359,7 @@ dup_failed:
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{
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gint errnosave = errno;
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gst_mini_object_unref (GST_MINI_OBJECT (pool));
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g_object_unref (pool);
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errno = errnosave;
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@ -461,7 +431,7 @@ gst_v4l2_buffer_pool_destroy (GstV4l2BufferPool * pool)
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gst_buffer_unref (buf);
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}
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gst_mini_object_unref (GST_MINI_OBJECT (pool));
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g_object_unref (pool);
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}
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/**
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@ -472,10 +442,10 @@ gst_v4l2_buffer_pool_destroy (GstV4l2BufferPool * pool)
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*
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* Get an available buffer in the pool
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*/
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GstV4l2Buffer *
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GstBuffer *
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gst_v4l2_buffer_pool_get (GstV4l2BufferPool * pool, gboolean blocking)
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{
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GstV4l2Buffer *buf;
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GstBuffer *buf;
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if (blocking) {
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buf = g_async_queue_pop (pool->avail_buffers);
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@ -485,7 +455,7 @@ gst_v4l2_buffer_pool_get (GstV4l2BufferPool * pool, gboolean blocking)
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if (buf) {
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GST_V4L2_BUFFER_POOL_LOCK (pool);
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GST_BUFFER_SIZE (buf) = buf->vbuffer.length;
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GST_BUFFER_SIZE (buf) = GST_V4L2_GET_DATA (buf)->vbuffer.length;
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GST_BUFFER_FLAG_UNSET (buf, 0xffffffff);
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GST_V4L2_BUFFER_POOL_UNLOCK (pool);
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}
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@ -506,11 +476,14 @@ gst_v4l2_buffer_pool_get (GstV4l2BufferPool * pool, gboolean blocking)
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* Returns: %TRUE for success
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*/
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gboolean
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gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool * pool, GstV4l2Buffer * buf)
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gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool * pool, GstBuffer * buf)
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{
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GST_LOG_OBJECT (pool->v4l2elem, "enqueue pool buffer %d", buf->vbuffer.index);
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GstV4l2Data *data = GST_V4L2_GET_DATA (buf);
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if (v4l2_ioctl (pool->video_fd, VIDIOC_QBUF, &buf->vbuffer) < 0)
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GST_LOG_OBJECT (pool->v4l2elem, "enqueue pool buffer %d",
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data->vbuffer.index);
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if (v4l2_ioctl (pool->video_fd, VIDIOC_QBUF, &data->vbuffer) < 0)
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return FALSE;
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pool->num_live_buffers--;
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@ -530,18 +503,17 @@ gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool * pool, GstV4l2Buffer * buf)
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*
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* Returns: a buffer
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*/
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GstV4l2Buffer *
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GstBuffer *
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gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool * pool)
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{
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GstV4l2Object *v4l2object = get_v4l2_object (pool->v4l2elem);
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GstV4l2Buffer *pool_buffer;
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GstBuffer *pool_buffer;
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struct v4l2_buffer buffer;
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memset (&buffer, 0x00, sizeof (buffer));
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buffer.type = pool->type;
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buffer.memory = V4L2_MEMORY_MMAP;
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if (v4l2_ioctl (pool->video_fd, VIDIOC_DQBUF, &buffer) >= 0) {
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GST_V4L2_BUFFER_POOL_LOCK (pool);
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@ -46,12 +46,12 @@ GType gst_v4l2_buffer_pool_get_type (void);
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typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
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typedef struct _GstV4l2Buffer GstV4l2Buffer;
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typedef struct _GstV4l2Data GstV4l2Data;
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struct _GstV4l2BufferPool
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{
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GstMiniObject parent;
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GObject parent;
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GstElement *v4l2elem; /* the v4l2 src/sink that owns us.. maybe we should be owned by v4l2object? */
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gboolean requeuebuf; /* if true, unusued buffers are automatically re-QBUF'd */
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@ -63,12 +63,12 @@ struct _GstV4l2BufferPool
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GAsyncQueue* avail_buffers;/* pool of available buffers, not with the driver and which aren't held outside the bufferpool */
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gint video_fd; /* a dup(2) of the v4l2object's video_fd */
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guint buffer_count;
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GstV4l2Buffer **buffers;
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GstBuffer **buffers;
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};
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struct _GstV4l2Buffer {
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GstBuffer buffer;
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#define GST_V4L2_GET_DATA(buf) ((GstV4l2Data *) (GST_BUFFER_CAST (buf)->owner_priv))
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struct _GstV4l2Data {
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struct v4l2_buffer vbuffer;
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/* FIXME: have GstV4l2Src* instead, as this has GstV4l2BufferPool* */
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@ -82,9 +82,9 @@ void gst_v4l2_buffer_pool_destroy (GstV4l2BufferPool * pool);
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GstV4l2BufferPool *gst_v4l2_buffer_pool_new (GstElement *v4l2elem, gint fd, gint num_buffers, GstCaps * caps, gboolean requeuebuf, enum v4l2_buf_type type);
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|
||||
GstV4l2Buffer *gst_v4l2_buffer_pool_get (GstV4l2BufferPool *pool, gboolean blocking);
|
||||
gboolean gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool *pool, GstV4l2Buffer *buf);
|
||||
GstV4l2Buffer *gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool *pool);
|
||||
GstBuffer *gst_v4l2_buffer_pool_get (GstV4l2BufferPool *pool, gboolean blocking);
|
||||
gboolean gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool *pool, GstBuffer *buf);
|
||||
GstBuffer *gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool *pool);
|
||||
|
||||
gint gst_v4l2_buffer_pool_available_buffers (GstV4l2BufferPool *pool);
|
||||
|
||||
|
|
|
|||
|
|
@ -66,7 +66,7 @@ static gboolean
|
|||
gst_v4l2src_buffer_pool_activate (GstV4l2BufferPool * pool,
|
||||
GstV4l2Src * v4l2src)
|
||||
{
|
||||
GstV4l2Buffer *buf;
|
||||
GstBuffer *buf;
|
||||
|
||||
while ((buf = gst_v4l2_buffer_pool_get (pool, FALSE)) != NULL)
|
||||
if (!gst_v4l2_buffer_pool_qbuf (pool, buf))
|
||||
|
|
@ -81,7 +81,8 @@ queue_failed:
|
|||
(_("Could not enqueue buffers in device '%s'."),
|
||||
v4l2src->v4l2object->videodev),
|
||||
("enqueing buffer %d/%d failed: %s",
|
||||
buf->vbuffer.index, v4l2src->num_buffers, g_strerror (errno)));
|
||||
GST_V4L2_GET_DATA (buf)->vbuffer.index, v4l2src->num_buffers,
|
||||
g_strerror (errno)));
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -80,24 +80,24 @@ static void gst_ximage_src_clear_bufpool (GstXImageSrc * ximagesrc);
|
|||
|
||||
/* Called when a buffer is returned from the pipeline */
|
||||
static void
|
||||
gst_ximage_src_return_buf (GstXImageSrc * ximagesrc,
|
||||
GstXImageSrcBuffer * ximage)
|
||||
gst_ximage_src_return_buf (GstXImageSrc * ximagesrc, GstBuffer * ximage)
|
||||
{
|
||||
GstXImageData *data = GST_XIMAGE_GET_DATA (ximage);
|
||||
|
||||
/* If our geometry changed we can't reuse that image. */
|
||||
if ((ximage->width != ximagesrc->width) ||
|
||||
(ximage->height != ximagesrc->height)) {
|
||||
if ((data->width != ximagesrc->width) || (data->height != ximagesrc->height)) {
|
||||
GST_DEBUG_OBJECT (ximagesrc,
|
||||
"destroy image %p as its size changed %dx%d vs current %dx%d",
|
||||
ximage, ximage->width, ximage->height,
|
||||
ximagesrc->width, ximagesrc->height);
|
||||
ximage, data->width, data->height, ximagesrc->width, ximagesrc->height);
|
||||
g_mutex_lock (ximagesrc->x_lock);
|
||||
gst_ximageutil_ximage_destroy (ximagesrc->xcontext, ximage);
|
||||
g_slice_free (GstXImageData, data);
|
||||
g_mutex_unlock (ximagesrc->x_lock);
|
||||
} else {
|
||||
/* In that case we can reuse the image and add it to our image pool. */
|
||||
GST_LOG_OBJECT (ximagesrc, "recycling image %p in pool", ximage);
|
||||
/* need to increment the refcount again to recycle */
|
||||
gst_buffer_ref (GST_BUFFER (ximage));
|
||||
gst_buffer_ref (ximage);
|
||||
g_mutex_lock (ximagesrc->pool_lock);
|
||||
ximagesrc->buffer_pool = g_slist_prepend (ximagesrc->buffer_pool, ximage);
|
||||
g_mutex_unlock (ximagesrc->pool_lock);
|
||||
|
|
@ -358,17 +358,20 @@ composite_pixel (GstXContext * xcontext, guchar * dest, guchar * src)
|
|||
|
||||
/* Retrieve an XImageSrcBuffer, preferably from our
|
||||
* pool of existing images and populate it from the window */
|
||||
static GstXImageSrcBuffer *
|
||||
static GstBuffer *
|
||||
gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
||||
{
|
||||
GstXImageSrcBuffer *ximage = NULL;
|
||||
GstBuffer *ximage = NULL;
|
||||
GstXImageData *data;
|
||||
|
||||
g_mutex_lock (ximagesrc->pool_lock);
|
||||
while (ximagesrc->buffer_pool != NULL) {
|
||||
ximage = ximagesrc->buffer_pool->data;
|
||||
|
||||
if ((ximage->width != ximagesrc->width) ||
|
||||
(ximage->height != ximagesrc->height)) {
|
||||
data = GST_XIMAGE_GET_DATA (ximage);
|
||||
|
||||
if ((data->width != ximagesrc->width) ||
|
||||
(data->height != ximagesrc->height)) {
|
||||
gst_ximage_buffer_free (ximage);
|
||||
}
|
||||
|
||||
|
|
@ -413,13 +416,16 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
gst_value_get_fraction_numerator (xcontext->par),
|
||||
gst_value_get_fraction_denominator (xcontext->par), NULL);
|
||||
|
||||
gst_buffer_set_caps (GST_BUFFER (ximage), caps);
|
||||
gst_buffer_set_caps (ximage, caps);
|
||||
g_mutex_unlock (ximagesrc->x_lock);
|
||||
|
||||
gst_caps_unref (caps);
|
||||
}
|
||||
|
||||
g_return_val_if_fail (GST_IS_XIMAGE_SRC (ximagesrc), NULL);
|
||||
|
||||
data = GST_XIMAGE_GET_DATA (ximage);
|
||||
|
||||
#ifdef HAVE_XDAMAGE
|
||||
if (ximagesrc->have_xdamage && ximagesrc->use_damage &&
|
||||
ximagesrc->last_ximage != NULL) {
|
||||
|
|
@ -492,7 +498,7 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
startx, starty, width, height);
|
||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
startx, starty, width, height, AllPlanes, ZPixmap,
|
||||
ximage->ximage, startx - ximagesrc->startx,
|
||||
data->ximage, startx - ximagesrc->startx,
|
||||
starty - ximagesrc->starty);
|
||||
}
|
||||
} else {
|
||||
|
|
@ -504,7 +510,7 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
rects[i].x, rects[i].y,
|
||||
rects[i].width, rects[i].height,
|
||||
AllPlanes, ZPixmap, ximage->ximage, rects[i].x, rects[i].y);
|
||||
AllPlanes, ZPixmap, data->ximage, rects[i].x, rects[i].y);
|
||||
}
|
||||
}
|
||||
free (rects);
|
||||
|
|
@ -566,14 +572,14 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
GST_DEBUG_OBJECT (ximagesrc, "Removing cursor from %d,%d", x, y);
|
||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
startx, starty, iwidth, iheight, AllPlanes, ZPixmap,
|
||||
ximage->ximage, startx - ximagesrc->startx,
|
||||
data->ximage, startx - ximagesrc->startx,
|
||||
starty - ximagesrc->starty);
|
||||
}
|
||||
} else {
|
||||
|
||||
GST_DEBUG_OBJECT (ximagesrc, "Removing cursor from %d,%d", x, y);
|
||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
x, y, width, height, AllPlanes, ZPixmap, ximage->ximage, x, y);
|
||||
x, y, width, height, AllPlanes, ZPixmap, data->ximage, x, y);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
|
@ -586,7 +592,7 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
if (ximagesrc->xcontext->use_xshm) {
|
||||
GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XShm");
|
||||
XShmGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
ximage->ximage, ximagesrc->startx, ximagesrc->starty, AllPlanes);
|
||||
data->ximage, ximagesrc->startx, ximagesrc->starty, AllPlanes);
|
||||
|
||||
} else
|
||||
#endif /* HAVE_XSHM */
|
||||
|
|
@ -595,9 +601,9 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
if (ximagesrc->remote) {
|
||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
ximagesrc->startx, ximagesrc->starty, ximagesrc->width,
|
||||
ximagesrc->height, AllPlanes, ZPixmap, ximage->ximage, 0, 0);
|
||||
ximagesrc->height, AllPlanes, ZPixmap, data->ximage, 0, 0);
|
||||
} else {
|
||||
ximage->ximage =
|
||||
data->ximage =
|
||||
XGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
||||
ximagesrc->startx, ximagesrc->starty, ximagesrc->width,
|
||||
ximagesrc->height, AllPlanes, ZPixmap);
|
||||
|
|
@ -677,7 +683,7 @@ gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|||
(guint8 *) & (ximagesrc->cursor_image->pixels[((j -
|
||||
cy) * ximagesrc->cursor_image->width + (i - cx))]);
|
||||
dest =
|
||||
(guint8 *) & (ximage->ximage->data[((j -
|
||||
(guint8 *) & (data->ximage->data[((j -
|
||||
ximagesrc->starty) * ximagesrc->width + (i -
|
||||
ximagesrc->startx)) * (ximagesrc->xcontext->bpp /
|
||||
8)]);
|
||||
|
|
@ -708,7 +714,7 @@ static GstFlowReturn
|
|||
gst_ximage_src_create (GstPushSrc * bs, GstBuffer ** buf)
|
||||
{
|
||||
GstXImageSrc *s = GST_XIMAGE_SRC (bs);
|
||||
GstXImageSrcBuffer *image;
|
||||
GstBuffer *image;
|
||||
GstClockTime base_time;
|
||||
GstClockTime next_capture_ts;
|
||||
GstClockTime dur;
|
||||
|
|
@ -889,7 +895,7 @@ gst_ximage_src_clear_bufpool (GstXImageSrc * ximagesrc)
|
|||
{
|
||||
g_mutex_lock (ximagesrc->pool_lock);
|
||||
while (ximagesrc->buffer_pool != NULL) {
|
||||
GstXImageSrcBuffer *ximage = ximagesrc->buffer_pool->data;
|
||||
GstBuffer *ximage = ximagesrc->buffer_pool->data;
|
||||
|
||||
gst_ximage_buffer_free (ximage);
|
||||
|
||||
|
|
|
|||
|
|
@ -95,7 +95,7 @@ struct _GstXImageSrc
|
|||
int damage_event_base;
|
||||
XserverRegion damage_region;
|
||||
GC damage_copy_gc;
|
||||
GstXImageSrcBuffer *last_ximage;
|
||||
GstBuffer *last_ximage;
|
||||
#endif
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -296,154 +296,112 @@ ximageutil_calculate_pixel_aspect_ratio (GstXContext * xcontext)
|
|||
gst_value_get_fraction_denominator (xcontext->par));
|
||||
}
|
||||
|
||||
static GstBufferClass *ximagesrc_buffer_parent_class = NULL;
|
||||
|
||||
static void
|
||||
gst_ximagesrc_buffer_finalize (GstXImageSrcBuffer * ximage)
|
||||
gst_ximagesrc_buffer_dispose (GstBuffer * ximage)
|
||||
{
|
||||
GstElement *parent;
|
||||
GstXImageData *data = GST_XIMAGE_GET_DATA (ximage);
|
||||
|
||||
g_return_if_fail (ximage != NULL);
|
||||
|
||||
parent = ximage->parent;
|
||||
parent = data->parent;
|
||||
if (parent == NULL) {
|
||||
g_warning ("XImageSrcBuffer->ximagesrc == NULL");
|
||||
goto beach;
|
||||
}
|
||||
|
||||
if (ximage->return_func)
|
||||
ximage->return_func (parent, ximage);
|
||||
if (data->return_func)
|
||||
data->return_func (parent, ximage);
|
||||
|
||||
beach:
|
||||
|
||||
GST_MINI_OBJECT_CLASS (ximagesrc_buffer_parent_class)->finalize
|
||||
(GST_MINI_OBJECT (ximage));
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void
|
||||
gst_ximage_buffer_free (GstXImageSrcBuffer * ximage)
|
||||
gst_ximage_buffer_free (GstBuffer * ximage)
|
||||
{
|
||||
GstXImageData *data = GST_XIMAGE_GET_DATA (ximage);
|
||||
/* make sure it is not recycled */
|
||||
ximage->width = -1;
|
||||
ximage->height = -1;
|
||||
gst_buffer_unref (GST_BUFFER (ximage));
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ximagesrc_buffer_init (GstXImageSrcBuffer * ximage_buffer, gpointer g_class)
|
||||
{
|
||||
#ifdef HAVE_XSHM
|
||||
ximage_buffer->SHMInfo.shmaddr = ((void *) -1);
|
||||
ximage_buffer->SHMInfo.shmid = -1;
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ximagesrc_buffer_class_init (gpointer g_class, gpointer class_data)
|
||||
{
|
||||
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
|
||||
|
||||
ximagesrc_buffer_parent_class = g_type_class_peek_parent (g_class);
|
||||
|
||||
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
|
||||
gst_ximagesrc_buffer_finalize;
|
||||
}
|
||||
|
||||
static GType
|
||||
gst_ximagesrc_buffer_get_type (void)
|
||||
{
|
||||
static GType _gst_ximagesrc_buffer_type;
|
||||
|
||||
if (G_UNLIKELY (_gst_ximagesrc_buffer_type == 0)) {
|
||||
static const GTypeInfo ximagesrc_buffer_info = {
|
||||
sizeof (GstBufferClass),
|
||||
NULL,
|
||||
NULL,
|
||||
gst_ximagesrc_buffer_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstXImageSrcBuffer),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_ximagesrc_buffer_init,
|
||||
NULL
|
||||
};
|
||||
_gst_ximagesrc_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
|
||||
"GstXImageSrcBuffer", &ximagesrc_buffer_info, 0);
|
||||
}
|
||||
return _gst_ximagesrc_buffer_type;
|
||||
data->width = -1;
|
||||
data->height = -1;
|
||||
gst_buffer_unref (ximage);
|
||||
}
|
||||
|
||||
/* This function handles GstXImageSrcBuffer creation depending on XShm availability */
|
||||
GstXImageSrcBuffer *
|
||||
GstBuffer *
|
||||
gst_ximageutil_ximage_new (GstXContext * xcontext,
|
||||
GstElement * parent, int width, int height, BufferReturnFunc return_func)
|
||||
{
|
||||
GstXImageSrcBuffer *ximage = NULL;
|
||||
GstBuffer *ximage = NULL;
|
||||
GstXImageData *data;
|
||||
gboolean succeeded = FALSE;
|
||||
|
||||
ximage =
|
||||
(GstXImageSrcBuffer *) gst_mini_object_new (GST_TYPE_XIMAGESRC_BUFFER);
|
||||
ximage = gst_buffer_new ();
|
||||
data = g_slice_new (GstXImageData);
|
||||
ximage->owner_priv = data;
|
||||
GST_MINI_OBJECT_CAST (ximage)->dispose =
|
||||
(GstMiniObjectDisposeFunction) gst_ximagesrc_buffer_dispose;
|
||||
|
||||
ximage->width = width;
|
||||
ximage->height = height;
|
||||
data->width = width;
|
||||
data->height = height;
|
||||
|
||||
#ifdef HAVE_XSHM
|
||||
data->SHMInfo.shmaddr = ((void *) -1);
|
||||
data->SHMInfo.shmid = -1;
|
||||
|
||||
if (xcontext->use_xshm) {
|
||||
ximage->ximage = XShmCreateImage (xcontext->disp,
|
||||
data->ximage = XShmCreateImage (xcontext->disp,
|
||||
xcontext->visual, xcontext->depth,
|
||||
ZPixmap, NULL, &ximage->SHMInfo, ximage->width, ximage->height);
|
||||
if (!ximage->ximage) {
|
||||
ZPixmap, NULL, &data->SHMInfo, data->width, data->height);
|
||||
if (!data->ximage) {
|
||||
goto beach;
|
||||
}
|
||||
|
||||
/* we have to use the returned bytes_per_line for our shm size */
|
||||
ximage->size = ximage->ximage->bytes_per_line * ximage->ximage->height;
|
||||
ximage->SHMInfo.shmid = shmget (IPC_PRIVATE, ximage->size,
|
||||
IPC_CREAT | 0777);
|
||||
if (ximage->SHMInfo.shmid == -1)
|
||||
data->size = data->ximage->bytes_per_line * data->ximage->height;
|
||||
data->SHMInfo.shmid = shmget (IPC_PRIVATE, data->size, IPC_CREAT | 0777);
|
||||
if (data->SHMInfo.shmid == -1)
|
||||
goto beach;
|
||||
|
||||
ximage->SHMInfo.shmaddr = shmat (ximage->SHMInfo.shmid, 0, 0);
|
||||
if (ximage->SHMInfo.shmaddr == ((void *) -1))
|
||||
data->SHMInfo.shmaddr = shmat (data->SHMInfo.shmid, 0, 0);
|
||||
if (data->SHMInfo.shmaddr == ((void *) -1))
|
||||
goto beach;
|
||||
|
||||
/* Delete the SHM segment. It will actually go away automatically
|
||||
* when we detach now */
|
||||
shmctl (ximage->SHMInfo.shmid, IPC_RMID, 0);
|
||||
shmctl (data->SHMInfo.shmid, IPC_RMID, 0);
|
||||
|
||||
ximage->ximage->data = ximage->SHMInfo.shmaddr;
|
||||
ximage->SHMInfo.readOnly = FALSE;
|
||||
data->ximage->data = data->SHMInfo.shmaddr;
|
||||
data->SHMInfo.readOnly = FALSE;
|
||||
|
||||
if (XShmAttach (xcontext->disp, &ximage->SHMInfo) == 0)
|
||||
if (XShmAttach (xcontext->disp, &data->SHMInfo) == 0)
|
||||
goto beach;
|
||||
|
||||
XSync (xcontext->disp, FALSE);
|
||||
} else
|
||||
#endif /* HAVE_XSHM */
|
||||
{
|
||||
ximage->ximage = XCreateImage (xcontext->disp,
|
||||
data->ximage = XCreateImage (xcontext->disp,
|
||||
xcontext->visual,
|
||||
xcontext->depth,
|
||||
ZPixmap, 0, NULL, ximage->width, ximage->height, xcontext->bpp, 0);
|
||||
if (!ximage->ximage)
|
||||
ZPixmap, 0, NULL, data->width, data->height, xcontext->bpp, 0);
|
||||
if (!data->ximage)
|
||||
goto beach;
|
||||
|
||||
/* we have to use the returned bytes_per_line for our image size */
|
||||
ximage->size = ximage->ximage->bytes_per_line * ximage->ximage->height;
|
||||
ximage->ximage->data = g_malloc (ximage->size);
|
||||
data->size = data->ximage->bytes_per_line * data->ximage->height;
|
||||
data->ximage->data = g_malloc (data->size);
|
||||
|
||||
XSync (xcontext->disp, FALSE);
|
||||
}
|
||||
succeeded = TRUE;
|
||||
|
||||
GST_BUFFER_DATA (ximage) = (guchar *) ximage->ximage->data;
|
||||
GST_BUFFER_SIZE (ximage) = ximage->size;
|
||||
GST_BUFFER_DATA (ximage) = (guchar *) data->ximage->data;
|
||||
GST_BUFFER_SIZE (ximage) = data->size;
|
||||
|
||||
/* Keep a ref to our src */
|
||||
ximage->parent = gst_object_ref (parent);
|
||||
ximage->return_func = return_func;
|
||||
data->parent = gst_object_ref (parent);
|
||||
data->return_func = return_func;
|
||||
beach:
|
||||
if (!succeeded) {
|
||||
gst_ximage_buffer_free (ximage);
|
||||
|
|
@ -455,9 +413,12 @@ beach:
|
|||
|
||||
/* This function destroys a GstXImageBuffer handling XShm availability */
|
||||
void
|
||||
gst_ximageutil_ximage_destroy (GstXContext * xcontext,
|
||||
GstXImageSrcBuffer * ximage)
|
||||
gst_ximageutil_ximage_destroy (GstXContext * xcontext, GstBuffer * ximage)
|
||||
{
|
||||
GstXImageData *data;
|
||||
|
||||
data = GST_XIMAGE_GET_DATA (ximage);
|
||||
|
||||
/* We might have some buffers destroyed after changing state to NULL */
|
||||
if (!xcontext)
|
||||
goto beach;
|
||||
|
|
@ -466,28 +427,28 @@ gst_ximageutil_ximage_destroy (GstXContext * xcontext,
|
|||
|
||||
#ifdef HAVE_XSHM
|
||||
if (xcontext->use_xshm) {
|
||||
if (ximage->SHMInfo.shmaddr != ((void *) -1)) {
|
||||
XShmDetach (xcontext->disp, &ximage->SHMInfo);
|
||||
if (data->SHMInfo.shmaddr != ((void *) -1)) {
|
||||
XShmDetach (xcontext->disp, &data->SHMInfo);
|
||||
XSync (xcontext->disp, 0);
|
||||
shmdt (ximage->SHMInfo.shmaddr);
|
||||
shmdt (data->SHMInfo.shmaddr);
|
||||
}
|
||||
if (ximage->ximage)
|
||||
XDestroyImage (ximage->ximage);
|
||||
if (data->ximage)
|
||||
XDestroyImage (data->ximage);
|
||||
|
||||
} else
|
||||
#endif /* HAVE_XSHM */
|
||||
{
|
||||
if (ximage->ximage) {
|
||||
XDestroyImage (ximage->ximage);
|
||||
if (data->ximage) {
|
||||
XDestroyImage (data->ximage);
|
||||
}
|
||||
}
|
||||
|
||||
XSync (xcontext->disp, FALSE);
|
||||
beach:
|
||||
if (ximage->parent) {
|
||||
if (data->parent) {
|
||||
/* Release the ref to our parent */
|
||||
gst_object_unref (ximage->parent);
|
||||
ximage->parent = NULL;
|
||||
gst_object_unref (data->parent);
|
||||
data->parent = NULL;
|
||||
}
|
||||
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -43,7 +43,7 @@ G_BEGIN_DECLS
|
|||
typedef struct _GstXContext GstXContext;
|
||||
typedef struct _GstXWindow GstXWindow;
|
||||
typedef struct _GstXImage GstXImage;
|
||||
typedef struct _GstXImageSrcBuffer GstXImageSrcBuffer;
|
||||
typedef struct _GstXImageData GstXImageData;
|
||||
|
||||
/* Global X Context stuff */
|
||||
/**
|
||||
|
|
@ -130,21 +130,20 @@ void ximageutil_calculate_pixel_aspect_ratio (GstXContext * xcontext);
|
|||
/* custom ximagesrc buffer, copied from ximagesink */
|
||||
|
||||
/* BufferReturnFunc is called when a buffer is finalised */
|
||||
typedef void (*BufferReturnFunc) (GstElement *parent, GstXImageSrcBuffer *buf);
|
||||
typedef void (*BufferReturnFunc) (GstElement *parent, GstBuffer *buf);
|
||||
|
||||
#define GST_XIMAGE_GET_DATA(buf) ((GstXImageData *) (GST_BUFFER_CAST(buf)->owner_priv))
|
||||
/**
|
||||
* GstXImageSrcBuffer:
|
||||
* GstXImageData:
|
||||
* @parent: a reference to the element we belong to
|
||||
* @ximage: the XImage of this buffer
|
||||
* @width: the width in pixels of XImage @ximage
|
||||
* @height: the height in pixels of XImage @ximage
|
||||
* @size: the size in bytes of XImage @ximage
|
||||
*
|
||||
* Subclass of #GstBuffer containing additional information about an XImage.
|
||||
* Extra data attached to buffers containing additional information about an XImage.
|
||||
*/
|
||||
struct _GstXImageSrcBuffer {
|
||||
GstBuffer buffer;
|
||||
|
||||
struct _GstXImageData {
|
||||
/* Reference to the ximagesrc we belong to */
|
||||
GstElement *parent;
|
||||
|
||||
|
|
@ -156,26 +155,19 @@ struct _GstXImageSrcBuffer {
|
|||
|
||||
gint width, height;
|
||||
size_t size;
|
||||
|
||||
|
||||
BufferReturnFunc return_func;
|
||||
};
|
||||
|
||||
|
||||
GstXImageSrcBuffer *gst_ximageutil_ximage_new (GstXContext *xcontext,
|
||||
GstBuffer *gst_ximageutil_ximage_new (GstXContext *xcontext,
|
||||
GstElement *parent, int width, int height, BufferReturnFunc return_func);
|
||||
|
||||
void gst_ximageutil_ximage_destroy (GstXContext *xcontext,
|
||||
GstXImageSrcBuffer * ximage);
|
||||
GstBuffer * ximage);
|
||||
|
||||
/* Call to manually release a buffer */
|
||||
void gst_ximage_buffer_free (GstXImageSrcBuffer *ximage);
|
||||
|
||||
#define GST_TYPE_XIMAGESRC_BUFFER (gst_ximagesrc_buffer_get_type())
|
||||
#define GST_IS_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGESRC_BUFFER))
|
||||
#define GST_IS_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XIMAGESRC_BUFFER))
|
||||
#define GST_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBuffer))
|
||||
#define GST_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
|
||||
#define GST_XIMAGESRC_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
|
||||
void gst_ximage_buffer_free (GstBuffer *ximage);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue