static gboolean gst_imx_v4l2_buffer_pool_stop(GstBufferPool *bpool)
{
GstImxV4l2BufferPool *pool = GST_IMX_V4L2_BUFFER_POOL(bpool);
enum v4l2_buf_type type;
guint i;
gboolean ret = TRUE;
GST_DEBUG_OBJECT(pool, "stop");
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(GST_IMX_FD_OBJECT_GET_FD(pool->fd_obj_v4l), VIDIOC_STREAMOFF, &type) < 0)
{
GST_ERROR_OBJECT(pool, "VIDIOC_STREAMOFF error: %s", g_strerror(errno));
return FALSE;
}
for (i = 0; i < pool->num_buffers; i++)
{
if (pool->buffers[i])
{
GST_BUFFER_POOL_CLASS(gst_imx_v4l2_buffer_pool_parent_class)->release_buffer(bpool, pool->buffers[i]);
pool->buffers[i] = NULL;
}
}
g_free(pool->buffers);
pool->buffers = NULL;
ret = GST_BUFFER_POOL_CLASS(gst_imx_v4l2_buffer_pool_parent_class)->stop(bpool);
return ret;
}
static GstFlowReturn
gst_gl_buffer_pool_acquire_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstFlowReturn ret = GST_FLOW_OK;
GstGLBufferPool *glpool = NULL;
ret =
GST_BUFFER_POOL_CLASS
(gst_gl_buffer_pool_parent_class)->acquire_buffer (bpool, buffer, params);
if (ret != GST_FLOW_OK || !*buffer)
return ret;
glpool = GST_GL_BUFFER_POOL (bpool);
/* XXX: Don't return the memory we just rendered, glEGLImageTargetTexture2DOES()
* keeps the EGLImage unmappable until the next one is uploaded
*/
if (glpool->priv->want_eglimage && *buffer
&& *buffer == glpool->priv->last_buffer) {
GstBuffer *oldbuf = *buffer;
ret =
GST_BUFFER_POOL_CLASS
(gst_gl_buffer_pool_parent_class)->acquire_buffer (bpool,
buffer, params);
gst_object_replace ((GstObject **) & oldbuf->pool, (GstObject *) glpool);
gst_buffer_unref (oldbuf);
}
return ret;
}
static GstFlowReturn
gst_egl_image_buffer_pool_acquire_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstFlowReturn ret;
GstEGLImageBufferPool *pool;
ret =
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
buffer, params);
if (ret != GST_FLOW_OK || !*buffer)
return ret;
pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
/* XXX: Don't return the memory we just rendered, glEGLImageTargetTexture2DOES()
* keeps the EGLImage unmappable until the next one is uploaded
*/
if (*buffer
&& gst_buffer_peek_memory (*buffer, 0) == pool->state->current_mem) {
GstBuffer *oldbuf = *buffer;
ret =
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
buffer, params);
gst_object_replace ((GstObject **) & oldbuf->pool, (GstObject *) pool);
gst_buffer_unref (oldbuf);
}
return ret;
}
static void
gst_vaapi_video_buffer_pool_class_init (GstVaapiVideoBufferPoolClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstBufferPoolClass *const pool_class = GST_BUFFER_POOL_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapivideopool,
"vaapivideopool", 0, "VA-API video pool");
g_type_class_add_private (klass, sizeof (GstVaapiVideoBufferPoolPrivate));
object_class->finalize = gst_vaapi_video_buffer_pool_finalize;
object_class->set_property = gst_vaapi_video_buffer_pool_set_property;
object_class->get_property = gst_vaapi_video_buffer_pool_get_property;
pool_class->get_options = gst_vaapi_video_buffer_pool_get_options;
pool_class->set_config = gst_vaapi_video_buffer_pool_set_config;
pool_class->alloc_buffer = gst_vaapi_video_buffer_pool_alloc_buffer;
pool_class->acquire_buffer = gst_vaapi_video_buffer_pool_acquire_buffer;
pool_class->reset_buffer = gst_vaapi_video_buffer_pool_reset_buffer;
/**
* GstVaapiVideoBufferPool:display:
*
* The #GstVaapiDisplay this object is bound to.
*/
g_object_class_install_property
(object_class,
PROP_DISPLAY,
g_param_spec_pointer ("display",
"Display",
"The GstVaapiDisplay to use for this video pool",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
static GstFlowReturn
gst_omx_buffer_pool_acquire_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstFlowReturn ret;
GstOMXBufferPool *pool = GST_OMX_BUFFER_POOL (bpool);
if (pool->port->port_def.eDir == OMX_DirOutput) {
GstBuffer *buf;
g_return_val_if_fail (pool->current_buffer_index != -1, GST_FLOW_ERROR);
buf = g_ptr_array_index (pool->buffers, pool->current_buffer_index);
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
*buffer = buf;
ret = GST_FLOW_OK;
/* If it's our own memory we have to set the sizes */
if (!pool->other_pool) {
GstMemory *mem = gst_buffer_peek_memory (*buffer, 0);
g_assert (mem
&& g_strcmp0 (mem->allocator->mem_type, GST_OMX_MEMORY_TYPE) == 0);
mem->size = ((GstOMXMemory *) mem)->buf->omx_buf->nFilledLen;
mem->offset = ((GstOMXMemory *) mem)->buf->omx_buf->nOffset;
}
} else {
/* Acquire any buffer that is available to be filled by upstream */
ret =
GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->acquire_buffer
(bpool, buffer, params);
}
return ret;
}
static gboolean
gst_v4l2_buffer_pool_start (GstBufferPool * bpool)
{
GstV4l2BufferPool *pool = GST_V4L2_BUFFER_POOL (bpool);
GstV4l2Object *obj = pool->obj;
pool->obj = obj;
pool->buffers = g_new0 (GstBuffer *, pool->num_buffers);
pool->num_allocated = 0;
/* now, allocate the buffers: */
if (!GST_BUFFER_POOL_CLASS (parent_class)->start (bpool))
goto start_failed;
/* we can start capturing now, we wait for the playback case until we queued
* the first buffer */
if (obj->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
if (!start_streaming (pool))
goto start_failed;
gst_poll_set_flushing (obj->poll, FALSE);
return TRUE;
/* ERRORS */
start_failed:
{
GST_ERROR_OBJECT (pool, "failed to start streaming");
return FALSE;
}
}
static gboolean gst_imx_v4l2_buffer_pool_start(GstBufferPool *bpool)
{
GstImxV4l2BufferPool *pool = GST_IMX_V4L2_BUFFER_POOL(bpool);
enum v4l2_buf_type type;
GST_DEBUG_OBJECT(pool, "start");
pool->buffers = g_new0(GstBuffer *, pool->num_buffers);
pool->num_allocated = 0;
if (!GST_BUFFER_POOL_CLASS(gst_imx_v4l2_buffer_pool_parent_class)->start(bpool))
{
GST_ERROR_OBJECT(pool, "failed to allocate start buffers");
return FALSE;
}
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(GST_IMX_FD_OBJECT_GET_FD(pool->fd_obj_v4l), VIDIOC_STREAMON, &type) < 0)
{
GST_ERROR_OBJECT(pool, "VIDIOC_STREAMON error: %s",
g_strerror(errno));
return FALSE;
}
return TRUE;
}
static gboolean
mir_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstMirBufferPool *mpool = GST_MIR_BUFFER_POOL_CAST (pool);
GstVideoInfo info;
GstCaps *caps;
GST_DEBUG_OBJECT (mpool, "%s", __PRETTY_FUNCTION__);
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
goto wrong_config;
if (caps == NULL)
goto no_caps;
if (mpool->allocator)
gst_object_unref (mpool->allocator);
mpool->allocator = NULL;
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&info, caps))
goto wrong_caps;
if (!gst_buffer_pool_config_get_allocator (config, &mpool->allocator,
&mpool->params))
return FALSE;
if (mpool->allocator)
gst_object_ref (mpool->allocator);
GST_LOG_OBJECT (mpool, "%dx%d, caps %" GST_PTR_FORMAT, info.width,
info.height, caps);
/*Fixme: Enable metadata checking handling based on the config of pool */
mpool->caps = gst_caps_ref (caps);
mpool->info = info;
mpool->width = info.width;
mpool->height = info.height;
GST_DEBUG_OBJECT (mpool, "Calling set_config() on the parent class");
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
/* ERRORS */
wrong_config:
{
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
no_caps:
{
GST_WARNING_OBJECT (pool, "no caps in config");
return FALSE;
}
wrong_caps:
{
GST_WARNING_OBJECT (pool,
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
/**
* This should get called by the pool when the buffer is returned to it.
* We need to release the reference that the GstMemory is holding on the MMAL
* buffer header, or it won't be returned to the (MMAL) pool.
*/
static void
gst_mmal_opaque_buffer_pool_reset_buffer (GstBufferPool * pool,
GstBuffer * buffer)
{
gst_mmal_opaque_mem_set_mmal_header (gst_buffer_peek_memory (buffer, 0),
NULL);
GST_BUFFER_POOL_CLASS (parent_class)->reset_buffer (pool, buffer);
}
void
moz_gfx_buffer_pool_reset_buffer (GstBufferPool* aPool, GstBuffer* aBuffer)
{
GstMemory* mem = gst_buffer_peek_memory(aBuffer, 0);
NS_ASSERTION(GST_IS_MOZ_GFX_MEMORY_ALLOCATOR(mem->allocator), "Should be a gfx image");
moz_gfx_memory_reset((MozGfxMemory *) mem);
GST_BUFFER_POOL_CLASS(moz_gfx_buffer_pool_parent_class)->reset_buffer(aPool, aBuffer);
}
static gboolean gst_imx_v4l2_buffer_pool_set_config(GstBufferPool *bpool, GstStructure *config)
{
GstImxV4l2BufferPool *pool = GST_IMX_V4L2_BUFFER_POOL(bpool);
GstVideoInfo info;
GstCaps *caps;
gsize size;
guint min, max;
struct v4l2_requestbuffers req;
if (!gst_buffer_pool_config_get_params(config, &caps, &size, &min, &max))
{
GST_ERROR_OBJECT(pool, "pool configuration invalid");
return FALSE;
}
if (caps == NULL)
{
GST_ERROR_OBJECT(pool, "configuration contains no caps");
return FALSE;
}
if (!gst_video_info_from_caps(&info, caps))
{
GST_ERROR_OBJECT(pool, "caps cannot be parsed for video info");
return FALSE;
}
GST_DEBUG_OBJECT(pool, "set_config: size %d, min %d, max %d",
size, min, max);
memset(&req, 0, sizeof(req));
req.count = min;
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
req.memory = V4L2_MEMORY_MMAP;
if (ioctl(GST_IMX_FD_OBJECT_GET_FD(pool->fd_obj_v4l), VIDIOC_REQBUFS, &req) < 0)
{
GST_ERROR_OBJECT(pool, "VIDIOC_REQBUFS failed: %s",
g_strerror(errno));
return FALSE;
}
if (req.count != min)
{
min = req.count;
GST_WARNING_OBJECT(pool, "using %u buffers", min);
}
pool->num_buffers = min;
pool->video_info = info;
pool->add_videometa = gst_buffer_pool_config_has_option(config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_set_params(config, caps, size, min, max);
return GST_BUFFER_POOL_CLASS(gst_imx_v4l2_buffer_pool_parent_class)->set_config(bpool, config);
}
static gboolean
gst_gl_buffer_pool_start (GstBufferPool * pool)
{
GstGLBufferPool *glpool = GST_GL_BUFFER_POOL_CAST (pool);
GstGLBufferPoolPrivate *priv = glpool->priv;
gst_gl_upload_meta_set_format (glpool->upload, &priv->info);
return GST_BUFFER_POOL_CLASS (parent_class)->start (pool);
}
static void gst_vlc_video_pool_free_buffer( GstBufferPool *p_pool,
GstBuffer *p_buffer )
{
GstVlcVideoPool* p_vpool = GST_VLC_VIDEO_POOL_CAST( p_pool );
gst_vlc_picture_plane_allocator_release( p_vpool->p_allocator, p_buffer );
GST_BUFFER_POOL_CLASS( parent_class )->free_buffer( p_pool, p_buffer );
return;
}
static gboolean
gst_v4l2_buffer_pool_stop (GstBufferPool * bpool)
{
gboolean ret;
GstV4l2BufferPool *pool = GST_V4L2_BUFFER_POOL (bpool);
GstV4l2Object *obj = pool->obj;
guint n;
GST_DEBUG_OBJECT (pool, "stopping pool");
gst_poll_set_flushing (obj->poll, TRUE);
if (pool->streaming) {
switch (obj->mode) {
case GST_V4L2_IO_RW:
break;
case GST_V4L2_IO_MMAP:
case GST_V4L2_IO_USERPTR:
/* we actually need to sync on all queued buffers but not
* on the non-queued ones */
GST_DEBUG_OBJECT (pool, "STREAMOFF");
if (v4l2_ioctl (pool->video_fd, VIDIOC_STREAMOFF, &obj->type) < 0)
goto stop_failed;
break;
default:
g_assert_not_reached ();
break;
}
pool->streaming = FALSE;
}
/* first free the buffers in the queue */
ret = GST_BUFFER_POOL_CLASS (parent_class)->stop (bpool);
/* then free the remaining buffers */
for (n = 0; n < pool->num_queued; n++) {
gst_v4l2_buffer_pool_free_buffer (bpool, pool->buffers[n]);
}
pool->num_queued = 0;
g_free (pool->buffers);
pool->buffers = NULL;
return ret;
/* ERRORS */
stop_failed:
{
GST_ERROR_OBJECT (pool, "error with STREAMOFF %d (%s)", errno,
g_strerror (errno));
return FALSE;
}
}
static void
gst_vaapi_video_buffer_pool_reset_buffer (GstBufferPool * pool,
GstBuffer * buffer)
{
GstMemory *const mem = gst_buffer_peek_memory (buffer, 0);
/* Release the underlying surface proxy */
if (GST_VAAPI_IS_VIDEO_MEMORY (mem))
gst_vaapi_video_memory_reset_surface (GST_VAAPI_VIDEO_MEMORY_CAST (mem));
GST_BUFFER_POOL_CLASS (gst_vaapi_video_buffer_pool_parent_class)->reset_buffer
(pool, buffer);
}
static gboolean
gst_omx_buffer_pool_stop (GstBufferPool * bpool)
{
GstOMXBufferPool *pool = GST_OMX_BUFFER_POOL (bpool);
gint i = 0;
/* When not using the default GstBufferPool::GstAtomicQueue then
* GstBufferPool::free_buffer is not called while stopping the pool
* (because the queue is empty) */
for (i = 0; i < pool->buffers->len; i++)
GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->release_buffer
(bpool, g_ptr_array_index (pool->buffers, i));
/* Remove any buffers that are there */
g_ptr_array_set_size (pool->buffers, 0);
if (pool->caps)
gst_caps_unref (pool->caps);
pool->caps = NULL;
pool->add_videometa = FALSE;
return GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->stop (bpool);
}
static void
gst_droid_buffer_pool_reset_buffer (GstBufferPool * pool, GstBuffer * buffer)
{
GstDroidBufferPool *dpool = GST_DROID_BUFFER_POOL (pool);
gst_buffer_remove_all_memory (buffer);
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_TAG_MEMORY);
g_mutex_lock (&dpool->lock);
++dpool->num_buffers;
GST_DEBUG_OBJECT (dpool, "num buffers: %d", dpool->num_buffers);
g_cond_signal (&dpool->cond);
g_mutex_unlock (&dpool->lock);
return GST_BUFFER_POOL_CLASS (parent_class)->reset_buffer (pool, buffer);
}
static void
gst_v4l2_buffer_pool_class_init (GstV4l2BufferPoolClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstBufferPoolClass *bufferpool_class = GST_BUFFER_POOL_CLASS (klass);
object_class->finalize = gst_v4l2_buffer_pool_finalize;
bufferpool_class->start = gst_v4l2_buffer_pool_start;
bufferpool_class->stop = gst_v4l2_buffer_pool_stop;
bufferpool_class->set_config = gst_v4l2_buffer_pool_set_config;
bufferpool_class->alloc_buffer = gst_v4l2_buffer_pool_alloc_buffer;
bufferpool_class->acquire_buffer = gst_v4l2_buffer_pool_acquire_buffer;
bufferpool_class->release_buffer = gst_v4l2_buffer_pool_release_buffer;
bufferpool_class->free_buffer = gst_v4l2_buffer_pool_free_buffer;
}
static gboolean
gst_omx_buffer_pool_start (GstBufferPool * bpool)
{
GstOMXBufferPool *pool = GST_OMX_BUFFER_POOL (bpool);
/* Only allow to start the pool if we still are attached
* to a component and port */
GST_OBJECT_LOCK (pool);
if (!pool->component || !pool->port) {
GST_OBJECT_UNLOCK (pool);
return FALSE;
}
GST_OBJECT_UNLOCK (pool);
return
GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->start (bpool);
}
static gboolean
wayland_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstWaylandBufferPool *wpool = GST_WAYLAND_BUFFER_POOL_CAST (pool);
GstVideoInfo info;
GstCaps *caps;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
goto wrong_config;
if (caps == NULL)
goto no_caps;
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&info, caps))
goto wrong_caps;
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
caps);
/*Fixme: Enable metadata checking handling based on the config of pool */
wpool->caps = gst_caps_ref (caps);
wpool->info = info;
wpool->width = info.width;
wpool->height = info.height;
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
/* ERRORS */
wrong_config:
{
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
no_caps:
{
GST_WARNING_OBJECT (pool, "no caps in config");
return FALSE;
}
wrong_caps:
{
GST_WARNING_OBJECT (pool,
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
static GstFlowReturn gst_vlc_video_pool_acquire_buffer( GstBufferPool *p_pool,
GstBuffer **p_buffer, GstBufferPoolAcquireParams *p_params )
{
GstVlcVideoPool *p_vpool = GST_VLC_VIDEO_POOL_CAST( p_pool );
GstVideoInfo *p_info;
GstFlowReturn result;
result = GST_BUFFER_POOL_CLASS( parent_class)->acquire_buffer( p_pool,
p_buffer, p_params );
if( result == GST_FLOW_OK &&
!gst_vlc_picture_plane_allocator_hold( p_vpool->p_allocator,
*p_buffer ))
result = GST_FLOW_EOS;
return result;
}
static gboolean
gst_wayland_buffer_pool_start (GstBufferPool * pool)
{
GstWaylandBufferPool *self = GST_WAYLAND_BUFFER_POOL (pool);
guint size = 0;
int fd;
char filename[1024];
static int init = 0;
GST_DEBUG_OBJECT (self, "Initializing wayland buffer pool");
/* configure */
size = GST_VIDEO_INFO_SIZE (&self->info) * 15;
/* allocate shm pool */
snprintf (filename, 1024, "%s/%s-%d-%s", g_get_user_runtime_dir (),
"wayland-shm", init++, "XXXXXX");
fd = mkstemp (filename);
if (fd < 0) {
GST_ERROR_OBJECT (pool, "opening temp file %s failed: %s", filename,
strerror (errno));
return FALSE;
}
if (ftruncate (fd, size) < 0) {
GST_ERROR_OBJECT (pool, "ftruncate failed: %s", strerror (errno));
close (fd);
return FALSE;
}
self->data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (self->data == MAP_FAILED) {
GST_ERROR_OBJECT (pool, "mmap failed: %s", strerror (errno));
close (fd);
return FALSE;
}
self->wl_pool = wl_shm_create_pool (self->display->shm, fd, size);
unlink (filename);
close (fd);
self->size = size;
self->used = 0;
return GST_BUFFER_POOL_CLASS (parent_class)->start (pool);
}
static void
gst_mir_buffer_pool_release_buffer (GstBufferPool * pool, GstBuffer * buffer)
{
#if 1
GstMemory *mem = { NULL };
int err = 0;
MediaCodecDelegate delegate;
/* Get access to the GstMemory stored in the GstBuffer */
if (gst_buffer_n_memory (buffer) >= 1 &&
(mem = gst_buffer_peek_memory (buffer, 0))
&& gst_is_mir_image_memory (mem)) {
GST_DEBUG_OBJECT (pool, "It is Mir image memory");
} else
GST_DEBUG_OBJECT (pool, "It is NOT Mir image memory");
delegate = gst_mir_image_memory_get_codec (mem);
if (!delegate) {
GST_WARNING_OBJECT (pool, "delegate is NULL, rendering will not function");
goto done;
}
GST_DEBUG_OBJECT (pool, "mem: %p", mem);
GST_DEBUG_OBJECT (pool, "gst_mir_image_memory_get_codec (mem): %p", delegate);
GST_DEBUG_OBJECT (pool, "gst_mir_image_memory_get_buffer_index (mem): %d",
gst_mir_image_memory_get_buffer_index (mem));
GST_DEBUG_OBJECT (pool, "Rendering buffer: %d",
gst_mir_image_memory_get_buffer_index (mem));
GST_DEBUG_OBJECT (pool, "Releasing output buffer index: %d",
gst_mir_image_memory_get_buffer_index (mem));
/* Render and release the output buffer back to the decoder */
err =
media_codec_release_output_buffer (delegate,
gst_mir_image_memory_get_buffer_index (mem));
if (err < 0)
GST_WARNING_OBJECT (pool,
"Failed to release output buffer. Rendering will probably be affected (err: %d).",
err);
#endif
done:
GST_BUFFER_POOL_CLASS (parent_class)->release_buffer (pool, buffer);
}
static void
gst_omx_buffer_pool_free_buffer (GstBufferPool * bpool, GstBuffer * buffer)
{
GstOMXBufferPool *pool = GST_OMX_BUFFER_POOL (bpool);
/* If the buffers belong to another pool, restore them now */
GST_OBJECT_LOCK (pool);
if (pool->other_pool) {
gst_object_replace ((GstObject **) & buffer->pool,
(GstObject *) pool->other_pool);
}
GST_OBJECT_UNLOCK (pool);
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (buffer),
gst_omx_buffer_data_quark, NULL, NULL);
GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->free_buffer (bpool,
buffer);
}
static void
gst_omx_buffer_pool_release_buffer (GstBufferPool * bpool, GstBuffer * buffer)
{
GstOMXBufferPool *pool = GST_OMX_BUFFER_POOL (bpool);
OMX_ERRORTYPE err;
GstOMXBuffer *omx_buf;
g_assert (pool->component && pool->port);
if (!pool->allocating && !pool->deactivated) {
omx_buf =
gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (buffer),
gst_omx_buffer_data_quark);
if (pool->port->port_def.eDir == OMX_DirOutput && !omx_buf->used) {
/* Release back to the port, can be filled again */
err = gst_omx_port_release_buffer (pool->port, omx_buf);
if (err != OMX_ErrorNone) {
GST_ELEMENT_ERROR (pool->element, LIBRARY, SETTINGS, (NULL),
("Failed to relase output buffer to component: %s (0x%08x)",
gst_omx_error_to_string (err), err));
}
} else if (!omx_buf->used) {
/* TODO: Implement.
*
* If not used (i.e. was not passed to the component) this should do
* the same as EmptyBufferDone.
* If it is used (i.e. was passed to the component) this should do
* nothing until EmptyBufferDone.
*
* EmptyBufferDone should release the buffer to the pool so it can
* be allocated again
*
* Needs something to call back here in EmptyBufferDone, like keeping
* a ref on the buffer in GstOMXBuffer until EmptyBufferDone... which
* would ensure that the buffer is always unused when this is called.
*/
g_assert_not_reached ();
GST_BUFFER_POOL_CLASS (gst_omx_buffer_pool_parent_class)->release_buffer
(bpool, buffer);
}
}
}
static void gst_imx_v4l2_buffer_pool_class_init(GstImxV4l2BufferPoolClass *klass)
{
GObjectClass *object_class;
GstBufferPoolClass *parent_class;
object_class = G_OBJECT_CLASS(klass);
parent_class = GST_BUFFER_POOL_CLASS(klass);
GST_DEBUG_CATEGORY_INIT(imx_v4l2_buffer_pool_debug, "imxv4l2bufferpool", 0, "Freescale i.MX V4L2 buffer pool");
object_class->finalize = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_finalize);
parent_class->get_options = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_get_options);
parent_class->set_config = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_set_config);
parent_class->start = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_start);
parent_class->stop = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_stop);
parent_class->alloc_buffer = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_alloc_buffer);
parent_class->free_buffer = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_free_buffer);
parent_class->acquire_buffer = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_acquire_buffer);
parent_class->release_buffer = GST_DEBUG_FUNCPTR(gst_imx_v4l2_buffer_pool_release_buffer);
}
static gboolean
gst_wayland_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstWaylandBufferPool *self = GST_WAYLAND_BUFFER_POOL_CAST (pool);
GstCaps *caps;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
goto wrong_config;
if (caps == NULL)
goto no_caps;
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&self->info, caps))
goto wrong_caps;
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT,
GST_VIDEO_INFO_WIDTH (&self->info), GST_VIDEO_INFO_HEIGHT (&self->info),
caps);
/*Fixme: Enable metadata checking handling based on the config of pool */
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
/* ERRORS */
wrong_config:
{
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
no_caps:
{
GST_WARNING_OBJECT (pool, "no caps in config");
return FALSE;
}
wrong_caps:
{
GST_WARNING_OBJECT (pool,
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
static gboolean
gst_egl_image_buffer_pool_set_config (GstBufferPool * bpool,
GstStructure * config)
{
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
GstCaps *caps;
GstVideoInfo info;
if (pool->allocator)
gst_object_unref (pool->allocator);
pool->allocator = NULL;
if (!GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->set_config (bpool, config))
return FALSE;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL)
|| !caps)
return FALSE;
if (!gst_video_info_from_caps (&info, caps))
return FALSE;
if (!gst_buffer_pool_config_get_allocator (config, &pool->allocator,
&pool->params))
return FALSE;
if (pool->allocator)
gst_object_ref (pool->allocator);
pool->add_metavideo =
gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
pool->want_eglimage = (pool->allocator
&& g_strcmp0 (pool->allocator->mem_type, GST_EGL_IMAGE_MEMORY_TYPE) == 0);
pool->info = info;
return TRUE;
}
static gboolean
gst_wayland_buffer_pool_stop (GstBufferPool * pool)
{
GstWaylandBufferPool *self = GST_WAYLAND_BUFFER_POOL (pool);
GST_DEBUG_OBJECT (self, "Stopping wayland buffer pool");
munmap (self->data, self->size);
wl_shm_pool_destroy (self->wl_pool);
self->wl_pool = NULL;
self->size = 0;
self->used = 0;
/* all buffers are about to be destroyed;
* we should no longer do anything with them */
g_mutex_lock (&self->buffers_map_mutex);
g_hash_table_remove_all (self->buffers_map);
g_mutex_unlock (&self->buffers_map_mutex);
return GST_BUFFER_POOL_CLASS (parent_class)->stop (pool);
}
static GstFlowReturn
gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
*buffer = NULL;
if (!pool->add_metavideo || !pool->want_eglimage)
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
if (!pool->allocator)
return GST_FLOW_NOT_NEGOTIATED;
switch (pool->info.finfo->format) {
case GST_VIDEO_FORMAT_RGBA:{
GstFlowReturn ret;
GstQuery *query;
GstStructure *s;
const GValue *v;
s = gst_structure_new ("eglglessink-allocate-eglimage",
"format", GST_TYPE_VIDEO_FORMAT, pool->info.finfo->format,
"width", G_TYPE_INT, pool->info.width,
"height", G_TYPE_INT, pool->info.height, NULL);
query = gst_query_new_custom (GST_QUERY_CUSTOM, s);
ret = queue_object (state, GST_MINI_OBJECT_CAST (query), TRUE);
if (ret != TRUE || !gst_structure_has_field (s, "buffer")) {
GST_WARNING ("Fallback memory allocation");
gst_query_unref (query);
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
}
v = gst_structure_get_value (s, "buffer");
*buffer = GST_BUFFER_CAST (g_value_get_pointer (v));
gst_query_unref (query);
if (!*buffer) {
GST_WARNING ("Fallback memory allocation");
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
}
return GST_FLOW_OK;
break;
}
default:
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
break;
}
return GST_FLOW_ERROR;
}
