static void
check_wrapped (gpointer data)
{
GstGLContext *wrapped_context = data;
GError *error = NULL;
gint i = 0;
gboolean ret;
/* check that scheduling on an unactivated wrapped context asserts */
ASSERT_CRITICAL (gst_gl_context_thread_add (wrapped_context,
(GstGLContextThreadFunc) accum_true, &i));
fail_if (i != 0);
/* check that scheduling on an activated context succeeds */
gst_gl_context_activate (wrapped_context, TRUE);
gst_gl_context_thread_add (wrapped_context,
(GstGLContextThreadFunc) accum_true, &i);
fail_if (i != 1);
/* check filling out the wrapped context's info */
fail_if (wrapped_context->gl_vtable->TexImage2D != NULL);
ret = gst_gl_context_fill_info (wrapped_context, &error);
fail_if (!ret, "error received %s\n",
error ? error->message : "Unknown error");
fail_if (wrapped_context->gl_vtable->TexImage2D == NULL);
gst_gl_context_activate (wrapped_context, FALSE);
}
static void
gst_gl_composition_overlay_add_transformation (GstGLCompositionOverlay *
overlay, GstBuffer * video_buffer)
{
gint comp_x, comp_y;
guint comp_width, comp_height;
GstVideoMeta *meta;
guint width, height;
float rel_x, rel_y, rel_w, rel_h;
meta = gst_buffer_get_video_meta (video_buffer);
gst_video_overlay_rectangle_get_render_rectangle (overlay->rectangle,
&comp_x, &comp_y, &comp_width, &comp_height);
width = meta->width;
height = meta->height;
/* calculate relative position */
rel_x = (float) comp_x / (float) width;
rel_y = (float) comp_y / (float) height;
rel_w = (float) comp_width / (float) width;
rel_h = (float) comp_height / (float) height;
/* transform from [0,1] to [-1,1], invert y axis */
rel_x = rel_x * 2.0 - 1.0;
rel_y = (1.0 - rel_y) * 2.0 - 1.0;
rel_w = rel_w * 2.0;
rel_h = rel_h * 2.0;
/* initialize position array */
overlay->positions[0] = rel_x + rel_w;
overlay->positions[1] = rel_y;
overlay->positions[2] = 0.0;
overlay->positions[3] = 1.0;
overlay->positions[4] = rel_x;
overlay->positions[5] = rel_y;
overlay->positions[6] = 0.0;
overlay->positions[7] = 1.0;
overlay->positions[8] = rel_x;
overlay->positions[9] = rel_y - rel_h;
overlay->positions[10] = 0.0;
overlay->positions[11] = 1.0;
overlay->positions[12] = rel_x + rel_w;
overlay->positions[13] = rel_y - rel_h;
overlay->positions[14] = 0.0;
overlay->positions[15] = 1.0;
gst_gl_context_thread_add (overlay->context,
gst_gl_composition_overlay_free_vertex_buffer, overlay);
gst_gl_context_thread_add (overlay->context,
gst_gl_composition_overlay_init_vertex_buffer, overlay);
GST_DEBUG
("overlay position: (%d,%d) size: %dx%d video size: %dx%d",
comp_x, comp_y, comp_width, comp_height, meta->width, meta->height);
}
void
gst_gl_sync_meta_set_sync_point (GstGLSyncMeta * sync_meta,
GstGLContext * context)
{
gst_gl_context_thread_add (context,
(GstGLContextThreadFunc) _set_sync_point, sync_meta);
}
static gboolean
gst_gl_overlay_filter_texture (GstGLFilter * filter, guint in_tex,
guint out_tex)
{
GstGLOverlay *overlay = GST_GL_OVERLAY (filter);
if (overlay->pbuf_has_changed && (overlay->location != NULL)) {
if ((overlay->type_file = gst_gl_overlay_load_png (filter)) == 0)
if ((overlay->type_file = gst_gl_overlay_load_jpeg (filter)) == 0)
overlay->pixbuf = NULL;
/* if loader failed then context is turned off */
gst_gl_context_thread_add (filter->context, init_pixbuf_texture, overlay);
if (overlay->pixbuf) {
free (overlay->pixbuf);
overlay->pixbuf = NULL;
}
overlay->pbuf_has_changed = FALSE;
}
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_overlay_callback, overlay);
return TRUE;
}
static void
_mem_free (GstAllocator * allocator, GstMemory * memory)
{
GstGLBaseMemory *mem = (GstGLBaseMemory *) memory;
GST_CAT_TRACE (GST_CAT_GL_BASE_MEMORY, "freeing buffer memory:%p", mem);
gst_gl_context_thread_add (mem->context,
(GstGLContextThreadFunc) _destroy_gl_objects, mem);
g_mutex_clear (&mem->lock);
if (mem->alloc_data) {
g_free (mem->alloc_data);
mem->alloc_data = NULL;
}
mem->data = NULL;
if (mem->notify)
mem->notify (mem->user_data);
gst_object_unref (mem->context);
g_free (memory);
}
/**
* gst_gl_memory_pbo_download_transfer:
* @gl_mem: a #GstGLMemoryPBO
*
* Transfer the texture data from the texture into the PBO if necessary.
*
* Since: 1.8
*/
void
gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem)
{
g_return_if_fail (gst_is_gl_memory ((GstMemory *) gl_mem));
gst_gl_context_thread_add (gl_mem->mem.mem.context,
(GstGLContextThreadFunc) _download_transfer, gl_mem);
}
void
gst_gl_sync_meta_wait (GstGLSyncMeta * sync_meta, GstGLContext * context)
{
if (sync_meta->glsync) {
gst_gl_context_thread_add (context,
(GstGLContextThreadFunc) _wait, sync_meta);
}
}
static void
_gst_gl_sync_meta_free (GstGLSyncMeta * sync_meta, GstBuffer * buffer)
{
if (sync_meta->glsync) {
gst_gl_context_thread_add (sync_meta->context,
(GstGLContextThreadFunc) _free_gl_sync_meta, sync_meta);
}
gst_object_unref (sync_meta->context);
}
/**
* gst_gl_sync_meta_wait_cpu:
* @sync_meta: a #GstGLSyncMeta
* @context: a #GstGLContext
*
* Perform a wait so that the sync point has passed from the CPU's perspective
* What that means, is that all GL operations changing CPU-visible data before
* the sync point are now visible.
*
* Since: 1.8
*/
void
gst_gl_sync_meta_wait_cpu (GstGLSyncMeta * sync_meta, GstGLContext * context)
{
if (sync_meta->wait_cpu)
sync_meta->wait_cpu (sync_meta, context);
else
gst_gl_context_thread_add (context,
(GstGLContextThreadFunc) _wait_cpu, sync_meta);
}
/**
* gst_gl_memory_pbo_download_transfer:
* @gl_mem: a #GstGLMemoryPBO
*
* Transfer the texture data from the PBO into the texture if necessary.
*
* Since: 1.8
*/
void
gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem)
{
g_return_if_fail (gst_is_gl_memory ((GstMemory *) gl_mem));
if (gl_mem->pbo && CONTEXT_SUPPORTS_PBO_UPLOAD (gl_mem->mem.mem.context))
gst_gl_context_thread_add (gl_mem->mem.mem.context,
(GstGLContextThreadFunc) _upload_transfer, gl_mem);
}
/**
* gst_gl_sync_meta_set_sync_point:
* @sync_meta: a #GstGLSyncMeta
* @context: a #GstGLContext
*
* Set a sync point to possibly wait on at a later time.
*
* Since: 1.6
*/
void
gst_gl_sync_meta_set_sync_point (GstGLSyncMeta * sync_meta,
GstGLContext * context)
{
if (sync_meta->set_sync)
sync_meta->set_sync (sync_meta, context);
else
gst_gl_context_thread_add (context,
(GstGLContextThreadFunc) _set_sync_point, sync_meta);
}
void
gst_gl_context_gen_texture (GstGLContext * context, GLuint * pTexture,
GstVideoFormat v_format, GLint width, GLint height)
{
GenTexture data = { width, height, v_format, 0 };
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _gen_texture,
&data);
*pTexture = data.result;
}
static void
_mem_unmap_full (GstGLBaseBuffer * mem, GstMapInfo * info)
{
struct unmap_data transfer;
transfer.mem = mem;
transfer.info = info;
gst_gl_context_thread_add (mem->context,
(GstGLContextThreadFunc) _unmap_data_gl, &transfer);
}
static void
_gst_egl_image_free (GstMiniObject * object)
{
GstEGLImage *image = GST_EGL_IMAGE (object);
if (image->context) {
gst_gl_context_thread_add (GST_GL_CONTEXT (image->context),
(GstGLContextThreadFunc) _gst_egl_image_free_thread, image);
gst_object_unref (image->context);
}
}
static void
teardown (void)
{
gst_object_unref (convert);
gst_object_unref (window);
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _check_gl_error,
NULL);
gst_object_unref (context);
gst_object_unref (display);
}
/* Called by gltestsrc and glfilter */
void
gst_gl_context_del_fbo (GstGLContext * context, GLuint fbo, GLuint depth_buffer)
{
GstGLFramebuffer *frame = gst_gl_framebuffer_new (context);
DelFBO data = { frame, fbo, depth_buffer };
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _del_fbo, &data);
gst_object_unref (frame);
}
static gboolean
gst_gl_mosaic_process_textures (GstGLMixer * mix, GstGLMemory * out_tex)
{
GstGLMosaic *mosaic = GST_GL_MOSAIC (mix);
GstGLContext *context = GST_GL_BASE_MIXER (mix)->context;
mosaic->out_tex = out_tex;
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _mosaic_render,
mosaic);
return TRUE;
}
static gboolean
gst_gl_differencematte_filter_texture (GstGLFilter * filter, guint in_tex,
guint out_tex)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
differencematte->intexture = in_tex;
if (differencematte->bg_has_changed && (differencematte->location != NULL)) {
if (!gst_gl_differencematte_loader (filter))
differencematte->pixbuf = NULL;
/* if loader failed then context is turned off */
gst_gl_context_thread_add (GST_GL_BASE_FILTER (filter)->context,
init_pixbuf_texture, differencematte);
/* save current frame, needed to calculate difference between
* this frame and next ones */
gst_gl_filter_render_to_target (filter, TRUE, in_tex,
differencematte->savedbgtexture,
gst_gl_differencematte_identity, differencematte);
if (differencematte->pixbuf) {
free (differencematte->pixbuf);
differencematte->pixbuf = NULL;
}
differencematte->bg_has_changed = FALSE;
}
if (differencematte->savedbgtexture != 0) {
gst_gl_filter_render_to_target (filter, TRUE, in_tex,
differencematte->midtexture[0], gst_gl_differencematte_diff,
differencematte);
gst_gl_filter_render_to_target (filter, FALSE,
differencematte->midtexture[0], differencematte->midtexture[1],
gst_gl_differencematte_hblur, differencematte);
gst_gl_filter_render_to_target (filter, FALSE,
differencematte->midtexture[1], differencematte->midtexture[2],
gst_gl_differencematte_vblur, differencematte);
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_differencematte_interp, differencematte);
} else {
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_differencematte_identity, differencematte);
}
return TRUE;
}
gboolean
gst_gl_context_gen_fbo (GstGLContext * context, gint width, gint height,
GLuint * fbo, GLuint * depthbuffer)
{
GstGLFramebuffer *frame = gst_gl_framebuffer_new (context);
GenFBO data = { frame, width, height, fbo, depthbuffer };
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _gen_fbo, &data);
gst_object_unref (frame);
return TRUE;
}
GstGLOverlayCompositor *
gst_gl_overlay_compositor_new (GstGLContext * context)
{
GstGLOverlayCompositor *compositor =
g_object_new (GST_TYPE_GL_OVERLAY_COMPOSITOR, NULL);
compositor->context = gst_object_ref (context);
gst_gl_context_thread_add (compositor->context,
gst_gl_overlay_compositor_init_gl, compositor);
GST_DEBUG_OBJECT (compositor, "Created new GstGLOverlayCompositor");
return compositor;
}
static GstMemory *
_mem_copy (GstGLBaseBuffer * src, gssize offset, gssize size)
{
struct copy_params transfer;
transfer.dest = NULL;
transfer.src = src;
transfer.offset = offset;
transfer.size = size;
if (size == -1 || size > 0)
gst_gl_context_thread_add (src->context,
(GstGLContextThreadFunc) _mem_copy_gl, &transfer);
return (GstMemory *) transfer.dest;
}
static gpointer
_mem_map_full (GstGLBaseBuffer * mem, GstMapInfo * info, gsize size)
{
struct map_data transfer;
transfer.mem = mem;
transfer.info = info;
transfer.size = size;
transfer.data = NULL;
gst_gl_context_thread_add (mem->context,
(GstGLContextThreadFunc) _map_data_gl, &transfer);
return transfer.data;
}
static void
gst_gl_filter_reset (GstGLFilter * filter)
{
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
if (filter->upload) {
gst_object_unref (filter->upload);
filter->upload = NULL;
}
if (filter->download) {
gst_object_unref (filter->download);
filter->download = NULL;
}
if (filter->context) {
if (filter_class->onReset)
filter_class->onReset (filter);
if (filter_class->display_reset_cb != NULL) {
gst_gl_context_thread_add (filter->context, gst_gl_filter_stop_gl,
filter);
}
//blocking call, delete the FBO
if (filter->fbo != 0) {
gst_gl_context_del_fbo (filter->context, filter->fbo,
filter->depthbuffer);
}
gst_object_unref (filter->context);
filter->context = NULL;
}
if (filter->display) {
gst_object_unref (filter->display);
filter->display = NULL;
}
filter->fbo = 0;
filter->depthbuffer = 0;
filter->default_shader = NULL;
if (filter->other_context)
gst_object_unref (filter->other_context);
filter->other_context = NULL;
if (filter->context)
gst_object_unref (filter->context);
filter->context = NULL;
}
static gboolean
_surface_texture_detach_from_gl_context_perform (GstAmc2DTextureRenderer *
renderer, GError ** error)
{
renderer->gl_context_result = FALSE;
renderer->gl_context_error = NULL;
gst_gl_context_thread_add (renderer->context,
(GstGLContextThreadFunc) _surface_texture_detach_from_gl_context,
renderer);
*error = renderer->gl_context_error;
renderer->gl_context_error = NULL;
return renderer->gl_context_result;
}
static gboolean
gst_gl_effects_filter_texture (GstGLFilter * filter, guint in_tex,
guint out_tex)
{
GstGLEffects *effects = GST_GL_EFFECTS (filter);
effects->intexture = in_tex;
effects->outtexture = out_tex;
if (effects->horizontal_swap == TRUE)
gst_gl_context_thread_add (filter->context, set_horizontal_swap, effects);
effects->effect (effects);
return TRUE;
}
/* Called by glfilter */
gboolean
gst_gl_context_gen_shader (GstGLContext * context, const gchar * vert_src,
const gchar * frag_src, GstGLShader ** shader)
{
struct _compile_shader data;
g_return_val_if_fail (frag_src != NULL || vert_src != NULL, FALSE);
g_return_val_if_fail (shader != NULL, FALSE);
data.shader = shader;
data.vertex_src = vert_src;
data.fragment_src = frag_src;
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _compile_shader,
&data);
return *shader != NULL;
}
static void
gst_gl_composition_overlay_finalize (GObject * object)
{
GstGLCompositionOverlay *overlay;
overlay = GST_GL_COMPOSITION_OVERLAY (object);
if (overlay->gl_memory)
gst_memory_unref ((GstMemory *) overlay->gl_memory);
if (overlay->context) {
gst_gl_context_thread_add (overlay->context,
gst_gl_composition_overlay_free_vertex_buffer, overlay);
gst_object_unref (overlay->context);
}
G_OBJECT_CLASS (gst_gl_composition_overlay_parent_class)->finalize (object);
}
gboolean
gst_gl_context_use_fbo_v2 (GstGLContext * context, gint texture_fbo_width,
gint texture_fbo_height, GLuint fbo, GLuint depth_buffer,
GLuint texture_fbo, GLCB_V2 cb, gpointer stuff)
{
GstGLFramebuffer *frame = gst_gl_framebuffer_new (context);
UseFBO2 data =
{ frame, texture_fbo_width, texture_fbo_height, fbo, depth_buffer,
texture_fbo, cb, stuff
};
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _use_fbo_v2,
&data);
gst_object_unref (frame);
return TRUE;
}
/* Called by glfilter */
gboolean
gst_gl_context_gen_shader (GstGLContext * context, const gchar * vert_src,
const gchar * frag_src, GstGLShader ** shader)
{
g_return_val_if_fail (frag_src != NULL || vert_src != NULL, FALSE);
g_return_val_if_fail (shader != NULL, FALSE);
*shader = gst_gl_shader_new (context);
if (frag_src)
gst_gl_shader_set_fragment_source (*shader, frag_src);
if (vert_src)
gst_gl_shader_set_vertex_source (*shader, vert_src);
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _compile_shader,
shader);
return *shader != NULL;
}
static gboolean
gst_gl_colorscale_gen_gl_resources (GstGLFilter * filter)
{
GstGLColorscale *colorscale = GST_GL_COLORSCALE (filter);
if (gst_gl_context_get_gl_api (filter->context) & GST_GL_API_GLES2) {
gst_gl_context_thread_add (filter->context,
(GstGLContextThreadFunc) _compile_identity_shader, colorscale);
if (!colorscale->shader) {
gst_gl_context_set_error (filter->context,
"Failed to initialize identity shader");
GST_ELEMENT_ERROR (colorscale, RESOURCE, NOT_FOUND, ("%s",
gst_gl_context_get_error ()), (NULL));
return FALSE;
}
}
return TRUE;
}