static gboolean
gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
GstStructure * config)
{
GstVaapiVideoBufferPoolPrivate *const priv =
GST_VAAPI_VIDEO_BUFFER_POOL (pool)->priv;
GstCaps *caps;
GstVideoInfo new_allocation_vinfo;
const GstVideoInfo *allocator_vinfo;
const GstVideoInfo *negotiated_vinfo;
GstVideoAlignment align;
GstAllocator *allocator;
gboolean ret, updated = FALSE;
guint size, min_buffers, max_buffers;
guint surface_alloc_flags;
GST_DEBUG_OBJECT (pool, "config %" GST_PTR_FORMAT, config);
caps = NULL;
if (!gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
&max_buffers))
goto error_invalid_config;
if (!caps)
goto error_no_caps;
if (!gst_video_info_from_caps (&new_allocation_vinfo, caps))
goto error_invalid_caps;
allocator = NULL;
if (!gst_buffer_pool_config_get_allocator (config, &allocator, NULL))
goto error_invalid_allocator;
/* it is a valid allocator? */
if (allocator
&& (g_strcmp0 (allocator->mem_type, GST_VAAPI_VIDEO_MEMORY_NAME) != 0
&& g_strcmp0 (allocator->mem_type,
GST_VAAPI_DMABUF_ALLOCATOR_NAME) != 0))
allocator = NULL;
/* get the allocator properties */
if (allocator) {
priv->use_dmabuf_memory = gst_vaapi_is_dmabuf_allocator (allocator);
negotiated_vinfo =
gst_allocator_get_vaapi_negotiated_video_info (allocator);
allocator_vinfo =
gst_allocator_get_vaapi_video_info (allocator, &surface_alloc_flags);
} else {
priv->use_dmabuf_memory = FALSE;
negotiated_vinfo = NULL;
allocator_vinfo = NULL;
surface_alloc_flags = 0;
}
/* reset or update the allocator if video resolution changed */
if (allocator_vinfo
&& gst_video_info_changed (allocator_vinfo, &new_allocation_vinfo)) {
gst_object_replace ((GstObject **) & priv->allocator, NULL);
if (allocator && priv->use_dmabuf_memory) {
gst_allocator_set_vaapi_video_info (allocator, &new_allocation_vinfo,
surface_alloc_flags);
} else {
allocator = NULL;
}
}
if (!gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META))
goto error_no_vaapi_video_meta_option;
/* create a new allocator if needed */
if (!allocator) {
if (priv->use_dmabuf_memory) {
allocator = gst_vaapi_dmabuf_allocator_new (priv->display,
&new_allocation_vinfo, /* FIXME: */ 0, GST_PAD_SRC);
} else {
allocator = gst_vaapi_video_allocator_new (priv->display,
&new_allocation_vinfo, surface_alloc_flags, 0);
}
if (!allocator)
goto error_no_allocator;
if (negotiated_vinfo) {
gst_allocator_set_vaapi_negotiated_video_info (allocator,
negotiated_vinfo);
}
GST_INFO_OBJECT (pool, "created new allocator %" GST_PTR_FORMAT, allocator);
gst_buffer_pool_config_set_allocator (config, allocator, NULL);
gst_object_unref (allocator);
}
/* use the allocator and set the video info for the vmeta */
if (allocator) {
if (priv->allocator)
gst_object_unref (priv->allocator);
if ((priv->allocator = allocator))
gst_object_ref (allocator);
negotiated_vinfo =
gst_allocator_get_vaapi_negotiated_video_info (priv->allocator);
allocator_vinfo = gst_allocator_get_vaapi_video_info (allocator, NULL);
priv->vmeta_vinfo = (negotiated_vinfo) ?
*negotiated_vinfo : *allocator_vinfo;
/* last resource to set the correct buffer size */
if (GST_VIDEO_INFO_SIZE (allocator_vinfo) != size) {
gst_buffer_pool_config_set_params (config, caps,
GST_VIDEO_INFO_SIZE (allocator_vinfo), min_buffers, max_buffers);
}
}
if (!priv->allocator)
goto error_no_allocator;
priv->options = 0;
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META)) {
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
} else {
gint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&new_allocation_vinfo); i++) {
if (GST_VIDEO_INFO_PLANE_OFFSET (&new_allocation_vinfo, i) !=
GST_VIDEO_INFO_PLANE_OFFSET (&priv->vmeta_vinfo, i) ||
GST_VIDEO_INFO_PLANE_STRIDE (&new_allocation_vinfo, i) !=
GST_VIDEO_INFO_PLANE_STRIDE (&priv->vmeta_vinfo, i)) {
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
updated = TRUE;
break;
}
}
}
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
fill_video_alignment (GST_VAAPI_VIDEO_BUFFER_POOL (pool), &align);
gst_buffer_pool_config_set_video_alignment (config, &align);
}
if (!priv->use_dmabuf_memory && gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META))
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD;
ret =
GST_BUFFER_POOL_CLASS
(gst_vaapi_video_buffer_pool_parent_class)->set_config (pool, config);
return !updated && ret;
/* ERRORS */
error_invalid_config:
{
GST_ERROR_OBJECT (pool, "invalid config");
return FALSE;
}
error_no_caps:
{
GST_ERROR_OBJECT (pool, "no caps in config");
return FALSE;
}
error_invalid_caps:
{
GST_ERROR_OBJECT (pool, "invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
error_invalid_allocator:
{
GST_ERROR_OBJECT (pool, "no allocator in config");
return FALSE;
}
error_no_vaapi_video_meta_option:
{
GST_ERROR_OBJECT (pool, "no GstVaapiVideoMeta option in config");
return FALSE;
}
error_no_allocator:
{
GST_ERROR_OBJECT (pool, "no allocator defined");
return FALSE;
}
}
static gboolean
gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
GstStructure * config)
{
GstVaapiVideoBufferPoolPrivate *const priv =
GST_VAAPI_VIDEO_BUFFER_POOL (pool)->priv;
GstCaps *caps = NULL;
GstVideoInfo *const cur_vip = &priv->video_info[priv->video_info_index];
GstVideoInfo *const new_vip = &priv->video_info[!priv->video_info_index];
GstVideoAlignment align;
GstAllocator *allocator;
gboolean changed_caps, use_dmabuf_memory, ret, updated = FALSE;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
goto error_invalid_config;
if (!caps || !gst_video_info_from_caps (new_vip, caps))
goto error_no_caps;
use_dmabuf_memory = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_DMABUF_MEMORY);
if (priv->use_dmabuf_memory != use_dmabuf_memory) {
priv->use_dmabuf_memory = use_dmabuf_memory;
g_clear_object (&priv->allocator);
}
changed_caps = !priv->allocator ||
GST_VIDEO_INFO_FORMAT (cur_vip) != GST_VIDEO_INFO_FORMAT (new_vip) ||
GST_VIDEO_INFO_WIDTH (cur_vip) != GST_VIDEO_INFO_WIDTH (new_vip) ||
GST_VIDEO_INFO_HEIGHT (cur_vip) != GST_VIDEO_INFO_HEIGHT (new_vip);
if (changed_caps) {
const GstVideoInfo *alloc_vip;
guint flags = 0;
if (use_dmabuf_memory) {
/* XXX: also needs fixed strides/offsets */
flags |= GST_VAAPI_SURFACE_ALLOC_FLAG_LINEAR_STORAGE;
allocator =
gst_vaapi_dmabuf_allocator_new (priv->display, new_vip, flags);
} else {
allocator = gst_vaapi_video_allocator_new (priv->display, new_vip, 0);
}
if (!allocator)
goto error_create_allocator;
gst_object_replace ((GstObject **) & priv->allocator,
GST_OBJECT_CAST (allocator));
gst_object_unref (allocator);
priv->video_info_index ^= 1;
alloc_vip = gst_allocator_get_vaapi_video_info (allocator, NULL);
if (!alloc_vip)
goto error_create_allocator_info;
priv->alloc_info = *alloc_vip;
}
if (!gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META))
goto error_no_vaapi_video_meta_option;
priv->has_video_meta = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
if (!priv->has_video_meta) {
gint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (new_vip); i++) {
if (GST_VIDEO_INFO_PLANE_OFFSET (new_vip, i) !=
GST_VIDEO_INFO_PLANE_OFFSET (&priv->alloc_info, i) ||
GST_VIDEO_INFO_PLANE_STRIDE (new_vip, i) !=
GST_VIDEO_INFO_PLANE_STRIDE (&priv->alloc_info, i)) {
priv->has_video_meta = TRUE;
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
updated = TRUE;
break;
}
}
}
priv->has_video_alignment = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
if (priv->has_video_alignment) {
fill_video_alignment (GST_VAAPI_VIDEO_BUFFER_POOL (pool), &align);
gst_buffer_pool_config_set_video_alignment (config, &align);
}
priv->has_texture_upload_meta = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META);
ret =
GST_BUFFER_POOL_CLASS
(gst_vaapi_video_buffer_pool_parent_class)->set_config (pool, config);
return !updated && ret;
/* ERRORS */
error_invalid_config:
{
GST_ERROR ("invalid config");
return FALSE;
}
error_no_caps:
{
GST_ERROR ("no valid caps in config");
return FALSE;
}
error_create_allocator:
{
GST_ERROR ("failed to create GstVaapiVideoAllocator object");
return FALSE;
}
error_create_allocator_info:
{
GST_ERROR ("failed to create GstVaapiVideoAllocator `video-info'");
return FALSE;
}
error_no_vaapi_video_meta_option:
{
GST_ERROR ("no GstVaapiVideoMeta option");
return FALSE;
}
}
