EGLDisplay
gst_egl_image_memory_get_display (GstMemory * mem)
{
g_return_val_if_fail (gst_is_egl_image_memory (mem), NULL);
if (mem->parent)
mem = mem->parent;
return GST_EGL_IMAGE_MEMORY (mem)->context->egl_display;
}
EGLImageKHR
gst_egl_image_memory_get_image (GstMemory * mem)
{
g_return_val_if_fail (gst_is_egl_image_memory (mem), EGL_NO_IMAGE_KHR);
if (mem->parent)
mem = mem->parent;
return GST_EGL_IMAGE_MEMORY (mem)->image;
}
GstEGLDisplay *
gst_egl_image_memory_get_display (GstMemory * mem)
{
g_return_val_if_fail (gst_is_egl_image_memory (mem), EGL_NO_IMAGE_KHR);
if (mem->parent)
mem = mem->parent;
return gst_egl_display_ref (GST_EGL_IMAGE_MEMORY (mem)->display);
}
void
gst_egl_image_memory_set_orientation (GstMemory * mem,
GstVideoGLTextureOrientation orientation)
{
g_return_if_fail (gst_is_egl_image_memory (mem));
if (mem->parent)
mem = mem->parent;
GST_EGL_IMAGE_MEMORY (mem)->orientation = orientation;
}
GstVideoGLTextureOrientation
gst_egl_image_memory_get_orientation (GstMemory * mem)
{
g_return_val_if_fail (gst_is_egl_image_memory (mem),
GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL);
if (mem->parent)
mem = mem->parent;
return GST_EGL_IMAGE_MEMORY (mem)->orientation;
}
GstEGLImageType
gst_egl_image_memory_get_type (GstMemory * mem)
{
g_return_val_if_fail (gst_is_egl_image_memory (mem),
GST_EGL_IMAGE_MEMORY_TYPE_INVALID);
if (mem->parent)
mem = mem->parent;
return GST_EGL_IMAGE_MEMORY (mem)->type;
}
static gboolean
eglimage_video_unmap (GstVideoMeta * meta, guint plane, GstMapInfo * info)
{
GstMemory *gmem;
GstEGLImageMemory *mem;
EGLint attribs[] = {
MALI_EGL_IMAGE_PLANE, MALI_EGL_IMAGE_PLANE_Y,
EGL_NONE
};
if (gst_buffer_n_memory (meta->buffer) != 1)
return default_unmap_video (meta, plane, info);
gmem = gst_buffer_peek_memory (meta->buffer, 0);
if (strcmp (gmem->allocator->mem_type, GST_EGL_IMAGE_MEMORY_NAME) != 0)
return default_unmap_video (meta, plane, info);
mem = GST_EGL_IMAGE_MEMORY ((gmem->parent ? gmem->parent : gmem));
g_mutex_lock (&mem->lock);
if (mem->format == GST_VIDEO_FORMAT_YV12) {
if (plane == 1)
plane = 2;
else if (plane == 2)
plane = 1;
}
if (!mem->memory_refcount[plane]) {
g_mutex_unlock (&mem->lock);
g_return_val_if_reached (FALSE);
}
mem->memory_refcount[plane]--;
if (mem->memory_refcount[plane] > 0) {
g_mutex_unlock (&mem->lock);
return TRUE;
}
/* Unmaps automatically */
if (mem->memory_platform_data[plane]) {
mali_egl_image_unmap_buffer (mem->image[plane], attribs);
mali_egl_image_unlock_ptr (mem->image[plane]);
}
mem->memory[plane] = NULL;
mem->memory_platform_data[plane] = NULL;
g_mutex_unlock (&mem->lock);
return TRUE;
}
static gboolean
gst_eglimage_to_gl_texture_upload_meta (GstVideoGLTextureUploadMeta *
meta, guint texture_id[4])
{
gint i = 0;
gint n = 0;
g_return_val_if_fail (meta != NULL, FALSE);
g_return_val_if_fail (texture_id != NULL, FALSE);
GST_DEBUG ("Uploading for meta with textures %i,%i,%i,%i", texture_id[0],
texture_id[1], texture_id[2], texture_id[3]);
n = gst_buffer_n_memory (meta->buffer);
for (i = 0; i < n; i++) {
GstMemory *mem = gst_buffer_peek_memory (meta->buffer, i);
const GstGLFuncs *gl = NULL;
if (!gst_is_egl_image_memory (mem)) {
GST_WARNING ("memory %p does not hold an EGLImage", mem);
return FALSE;
}
gl = GST_GL_CONTEXT (GST_EGL_IMAGE_MEMORY (mem)->context)->gl_vtable;
gl->ActiveTexture (GL_TEXTURE0 + i);
gl->BindTexture (GL_TEXTURE_2D, texture_id[i]);
gl->EGLImageTargetTexture2D (GL_TEXTURE_2D,
gst_egl_image_memory_get_image (mem));
}
if (GST_IS_GL_BUFFER_POOL (meta->buffer->pool))
gst_gl_buffer_pool_replace_last_buffer (GST_GL_BUFFER_POOL (meta->
buffer->pool), meta->buffer);
return TRUE;
}
static gboolean
eglimage_video_map (GstVideoMeta * meta, guint plane,
GstMapInfo * info, gpointer * data, gint * stride, GstMapFlags flags)
{
GstMemory *gmem;
GstEGLImageMemory *mem;
GstVideoInfo vinfo;
if (gst_buffer_n_memory (meta->buffer) != 1)
return default_map_video (meta, plane, info, data, stride, flags);
gmem = gst_buffer_peek_memory (meta->buffer, 0);
if (strcmp (gmem->allocator->mem_type, GST_EGL_IMAGE_MEMORY_NAME) != 0)
return default_map_video (meta, plane, info, data, stride, flags);
mem = GST_EGL_IMAGE_MEMORY ((gmem->parent ? gmem->parent : gmem));
g_mutex_lock (&mem->lock);
if (mem->format == GST_VIDEO_FORMAT_YV12) {
if (plane == 1)
plane = 2;
else if (plane == 2)
plane = 1;
}
if (mem->mapped_memory_refcount) {
/* Only multiple READ maps are allowed */
if ((mem->mapped_memory_flags & GST_MAP_WRITE)) {
g_mutex_unlock (&mem->lock);
return FALSE;
}
}
if (!mem->memory_refcount[plane]) {
EGLint attribs[] = {
MALI_EGL_IMAGE_PLANE, MALI_EGL_IMAGE_PLANE_Y,
MALI_EGL_IMAGE_ACCESS_MODE, MALI_EGL_IMAGE_ACCESS_READ_WRITE,
EGL_NONE
};
if ((flags & GST_MAP_READ) && (flags & GST_MAP_WRITE))
attribs[3] = MALI_EGL_IMAGE_ACCESS_READ_WRITE;
else if ((flags & GST_MAP_READ))
attribs[3] = MALI_EGL_IMAGE_ACCESS_READ_ONLY;
else if ((flags & GST_MAP_WRITE))
attribs[3] = MALI_EGL_IMAGE_ACCESS_WRITE_ONLY;
mem->memory_platform_data[plane] =
mali_egl_image_lock_ptr (mem->image[plane]);
if (!mem->memory_platform_data[plane]) {
GST_ERROR ("Failed to lock Mali EGL image: 0x%04x",
mali_egl_image_get_error ());
goto map_error;
}
mem->memory[plane] =
mali_egl_image_map_buffer (mem->memory_platform_data[plane], attribs);
if (!mem->memory[plane])
goto map_error;
mem->memory_flags[plane] = flags;
} else {
/* Only multiple READ maps are allowed */
if ((mem->memory_flags[plane] & GST_MAP_WRITE)) {
g_mutex_unlock (&mem->lock);
return FALSE;
}
}
mem->memory_refcount[plane]++;
gst_video_info_set_format (&vinfo, mem->format, mem->width, mem->height);
*data = mem->memory[plane];
*stride = mem->stride[plane];
g_mutex_unlock (&mem->lock);
return TRUE;
map_error:
{
EGLint attribs[] = {
MALI_EGL_IMAGE_PLANE, MALI_EGL_IMAGE_PLANE_Y,
EGL_NONE
};
GST_ERROR ("Failed to map Mali EGL image: 0x%04x",
mali_egl_image_get_error ());
if (mem->memory_platform_data[plane]) {
mali_egl_image_unmap_buffer (mem->image[plane], attribs);
mali_egl_image_unlock_ptr (mem->image[plane]);
}
mem->memory[plane] = NULL;
mem->memory_platform_data[plane] = NULL;
g_mutex_unlock (&mem->lock);
return FALSE;
}
}
static void
eglimage_unmap (GstMemory * gmem)
{
GstEGLImageMemory *mem;
gint i;
g_return_if_fail (strcmp (gmem->allocator->mem_type,
GST_EGL_IMAGE_MEMORY_NAME) == 0);
mem = GST_EGL_IMAGE_MEMORY (gmem);
g_return_if_fail (mem->mapped_memory);
g_mutex_lock (&mem->lock);
mem->mapped_memory_refcount--;
if (mem->mapped_memory_refcount > 0) {
g_mutex_unlock (&mem->lock);
return;
}
/* Write back */
if ((mem->mapped_memory_flags & GST_MAP_WRITE)) {
EGLint attribs[] = {
MALI_EGL_IMAGE_PLANE, MALI_EGL_IMAGE_PLANE_Y,
MALI_EGL_IMAGE_ACCESS_MODE, MALI_EGL_IMAGE_ACCESS_WRITE_ONLY,
EGL_NONE
};
GstVideoInfo info;
mali_egl_image *mali_egl_image;
guint8 *plane_memory, *p;
gint stride, h;
gint j;
gst_video_info_set_format (&info, mem->format, mem->width, mem->height);
for (i = 0; i < mem->n_textures; i++) {
mali_egl_image = mali_egl_image_lock_ptr (mem->image[i]);
if (!mali_egl_image) {
g_free (mem->mapped_memory);
GST_ERROR ("Failed to lock Mali EGL image: 0x%04x",
mali_egl_image_get_error ());
g_mutex_unlock (&mem->lock);
return;
}
plane_memory = mali_egl_image_map_buffer (mali_egl_image, attribs);
if (!plane_memory) {
mali_egl_image_unlock_ptr (mem->image[i]);
g_free (mem->mapped_memory);
GST_ERROR ("Failed to lock Mali map image: 0x%04x",
mali_egl_image_get_error ());
g_mutex_unlock (&mem->lock);
return;
}
p = ((guint8 *) mem->mapped_memory) + mem->offset[i];
stride = mem->stride[i];
h = GST_VIDEO_INFO_COMP_HEIGHT (&info, i);
for (j = 0; j < h; j++) {
memcpy (plane_memory, p, stride);
p += mem->stride[i];
plane_memory += mem->stride[i];
}
mali_egl_image_unmap_buffer (mem->image[i], attribs);
mali_egl_image_unlock_ptr (mem->image[i]);
}
}
g_free (mem->mapped_memory);
g_mutex_unlock (&mem->lock);
}
static gpointer
eglimage_map (GstMemory * gmem, gsize maxsize, GstMapFlags flags)
{
GstEGLImageMemory *mem;
gint i;
g_return_val_if_fail (strcmp (gmem->allocator->mem_type,
GST_EGL_IMAGE_MEMORY_NAME) == 0, FALSE);
mem = GST_EGL_IMAGE_MEMORY (gmem);
g_mutex_lock (&mem->lock);
for (i = 0; i < mem->n_textures; i++) {
if (mem->memory_refcount[i]) {
/* Only multiple READ maps are allowed */
if ((mem->memory_flags[i] & GST_MAP_WRITE)) {
g_mutex_unlock (&mem->lock);
return NULL;
}
}
}
if (!mem->mapped_memory_refcount) {
EGLint attribs[] = {
MALI_EGL_IMAGE_PLANE, MALI_EGL_IMAGE_PLANE_Y,
MALI_EGL_IMAGE_ACCESS_MODE, MALI_EGL_IMAGE_ACCESS_READ_ONLY,
EGL_NONE
};
GstVideoInfo info;
mali_egl_image *mali_egl_image;
guint8 *plane_memory, *p;
gint stride, h;
gint j;
gst_video_info_set_format (&info, mem->format, mem->width, mem->height);
mem->mapped_memory = g_malloc (mem->parent.size);
for (i = 0; i < mem->n_textures; i++) {
mali_egl_image = mali_egl_image_lock_ptr (mem->image[i]);
if (!mali_egl_image) {
g_free (mem->mapped_memory);
GST_ERROR ("Failed to lock Mali EGL image: 0x%04x",
mali_egl_image_get_error ());
g_mutex_unlock (&mem->lock);
return NULL;
}
plane_memory = mali_egl_image_map_buffer (mali_egl_image, attribs);
if (!plane_memory) {
mali_egl_image_unlock_ptr (mem->image[i]);
g_free (mem->mapped_memory);
GST_ERROR ("Failed to lock Mali map image: 0x%04x",
mali_egl_image_get_error ());
g_mutex_unlock (&mem->lock);
return NULL;
}
p = ((guint8 *) mem->mapped_memory) + mem->offset[i];
stride = mem->stride[i];
h = GST_VIDEO_INFO_COMP_HEIGHT (&info, i);
for (j = 0; j < h; j++) {
memcpy (p, plane_memory, stride);
p += mem->stride[i];
plane_memory += mem->stride[i];
}
mali_egl_image_unmap_buffer (mem->image[i], attribs);
mali_egl_image_unlock_ptr (mem->image[i]);
}
} else {
/* Only multiple READ maps are allowed */
if ((mem->mapped_memory_flags & GST_MAP_WRITE)) {
g_mutex_unlock (&mem->lock);
return NULL;
}
}
mem->mapped_memory_refcount++;
g_mutex_unlock (&mem->lock);
return mem->mapped_memory;
}
