gstreamer/ext/eglgles/video_platform_wrapper.c
Sebastian Dröge 2aefc09248 eglglessink: Handle copying of GstMemory properly
We have to use the default video meta mapping functions.
2013-01-03 15:22:38 +01:00

667 lines
18 KiB
C

/*
* GStreamer Android Video Platform Wrapper
* Copyright (C) 2012 Collabora Ltd.
* @author: Reynaldo H. Verdejo Pinochet <reynaldo@collabora.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define EGL_EGLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <string.h>
#include <gst/gst.h>
#include "video_platform_wrapper.h"
GST_DEBUG_CATEGORY_STATIC (eglgles_platform_wrapper);
#define GST_CAT_DEFAULT eglgles_platform_wrapper
PlatformMapVideo default_map_video;
PlatformUnmapVideo default_unmap_video;
/* XXX: Likely to be removed */
gboolean
platform_wrapper_init (void)
{
GST_DEBUG_CATEGORY_INIT (eglgles_platform_wrapper,
"eglglessink-platform", 0,
"Platform dependent native-window utility routines for EglGles");
return TRUE;
}
#ifdef USE_EGL_X11
#include <X11/Xlib.h>
#include <gst/video/gstvideopool.h>
typedef struct
{
Display *display;
} X11WindowData;
EGLNativeWindowType
platform_create_native_window (gint width, gint height, gpointer * window_data)
{
Display *d;
Window w;
int s;
X11WindowData *data;
d = XOpenDisplay (NULL);
if (d == NULL) {
GST_ERROR ("Can't open X11 display");
return (EGLNativeWindowType) 0;
}
s = DefaultScreen (d);
w = XCreateSimpleWindow (d, RootWindow (d, s), 10, 10, width, height, 1,
BlackPixel (d, s), WhitePixel (d, s));
XStoreName (d, w, "eglglessink");
XMapWindow (d, w);
XFlush (d);
*window_data = data = g_slice_new0 (X11WindowData);
data->display = d;
return (EGLNativeWindowType) w;
}
gboolean
platform_destroy_native_window (EGLNativeDisplayType display,
EGLNativeWindowType window, gpointer * window_data)
{
X11WindowData *data = *window_data;
/* XXX: Should proly catch BadWindow */
XDestroyWindow (data->display, (Window) window);
XSync (data->display, FALSE);
XCloseDisplay (data->display);
g_slice_free (X11WindowData, data);
*window_data = NULL;
return TRUE;
}
gboolean
platform_can_map_eglimage (GstMemoryMapFunction * map,
GstMemoryUnmapFunction * unmap, PlatformMapVideo * video_map,
PlatformUnmapVideo * video_unmap)
{
return FALSE;
}
gboolean
platform_has_custom_eglimage_alloc (void)
{
return FALSE;
}
gboolean
platform_alloc_eglimage (EGLDisplay display, EGLContext context, GLint format,
GLint type, gint width, gint height, GLuint tex_id, EGLImageKHR * image,
gpointer * image_platform_data)
{
g_assert_not_reached ();
return FALSE;
}
void
platform_free_eglimage (EGLDisplay display, EGLContext context, GLuint tex_id,
EGLImageKHR * image, gpointer * image_platform_data)
{
g_assert_not_reached ();
}
#endif
#ifdef USE_EGL_MALI_FB
#include <EGL/fbdev_window.h>
#include <mali_egl_image.h>
#include <ump/ump.h>
#include <ump/ump_ref_drv.h>
#include <gst/video/video.h>
EGLNativeWindowType
platform_create_native_window (gint width, gint height, gpointer * window_data)
{
fbdev_window *w = g_slice_new0 (fbdev_window);
w->width = width;
w->height = height;
return (EGLNativeWindowType) w;
}
gboolean
platform_destroy_native_window (EGLNativeDisplayType display,
EGLNativeWindowType window, gpointer * window_data)
{
g_slice_free (fbdev_window, ((fbdev_window *) window));
return TRUE;
}
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;
}
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 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 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;
}
gboolean
platform_can_map_eglimage (GstMemoryMapFunction * map,
GstMemoryUnmapFunction * unmap, PlatformMapVideo * video_map,
PlatformUnmapVideo * video_unmap)
{
*map = eglimage_map;
*unmap = eglimage_unmap;
*video_map = eglimage_video_map;
*video_unmap = eglimage_video_unmap;
return TRUE;
}
gboolean
platform_has_custom_eglimage_alloc (void)
{
return TRUE;
}
gboolean
platform_alloc_eglimage (EGLDisplay display, EGLContext context, GLint format,
GLint type, gint width, gint height, GLuint tex_id, EGLImageKHR * image,
gpointer * image_platform_data)
{
fbdev_pixmap pixmap;
pixmap.flags = FBDEV_PIXMAP_SUPPORTS_UMP;
pixmap.width = width;
pixmap.height = height;
switch (format) {
case GL_LUMINANCE:
g_return_val_if_fail (type == GL_UNSIGNED_BYTE, FALSE);
pixmap.red_size = 0;
pixmap.green_size = 0;
pixmap.blue_size = 0;
pixmap.alpha_size = 0;
pixmap.luminance_size = 8;
break;
case GL_LUMINANCE_ALPHA:
g_return_val_if_fail (type == GL_UNSIGNED_BYTE, FALSE);
pixmap.red_size = 0;
pixmap.green_size = 0;
pixmap.blue_size = 0;
pixmap.alpha_size = 8;
pixmap.luminance_size = 8;
break;
case GL_RGB:
if (type == GL_UNSIGNED_BYTE) {
pixmap.red_size = 8;
pixmap.green_size = 8;
pixmap.blue_size = 8;
pixmap.alpha_size = 0;
pixmap.luminance_size = 0;
} else if (type == GL_UNSIGNED_SHORT_5_6_5) {
pixmap.red_size = 5;
pixmap.green_size = 6;
pixmap.blue_size = 5;
pixmap.alpha_size = 0;
pixmap.luminance_size = 0;
} else {
g_return_val_if_reached (FALSE);
}
break;
case GL_RGBA:
g_return_val_if_fail (type == GL_UNSIGNED_BYTE, FALSE);
pixmap.red_size = 8;
pixmap.green_size = 8;
pixmap.blue_size = 8;
pixmap.alpha_size = 8;
pixmap.luminance_size = 0;
break;
default:
g_assert_not_reached ();
return FALSE;
}
pixmap.buffer_size =
pixmap.red_size + pixmap.green_size + pixmap.blue_size +
pixmap.alpha_size + pixmap.luminance_size;
pixmap.bytes_per_pixel = pixmap.buffer_size / 8;
pixmap.format = 0;
if (ump_open () != UMP_OK) {
GST_ERROR ("Failed to open UMP");
return FALSE;
}
pixmap.data =
ump_ref_drv_allocate (GST_ROUND_UP_4 (pixmap.width) * pixmap.height *
pixmap.bytes_per_pixel, UMP_REF_DRV_CONSTRAINT_PHYSICALLY_LINEAR);
if (pixmap.data == UMP_INVALID_MEMORY_HANDLE) {
GST_ERROR ("Failed to allocate pixmap data via UMP");
ump_close ();
return FALSE;
}
*image_platform_data = g_slice_dup (fbdev_pixmap, &pixmap);
*image =
eglCreateImageKHR (display, EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR,
(EGLClientBuffer) * image_platform_data, NULL);
if (!image) {
GST_ERROR ("Failed to create EGLImage for pixmap");
ump_reference_release ((ump_handle) pixmap.data);
ump_close ();
g_slice_free (fbdev_pixmap, *image_platform_data);
return FALSE;
}
return TRUE;
}
void
platform_free_eglimage (EGLDisplay display, EGLContext context, GLuint tex_id,
EGLImageKHR * image, gpointer * image_platform_data)
{
fbdev_pixmap *pixmap = *image_platform_data;
eglDestroyImageKHR (display, *image);
ump_reference_release ((ump_handle) pixmap->data);
ump_close ();
g_slice_free (fbdev_pixmap, *image_platform_data);
}
#endif
#if !defined(USE_EGL_X11) && !defined(USE_EGL_MALI_FB)
#include <gst/video/gstvideopool.h>
/* Dummy functions for creating a native Window */
EGLNativeWindowType
platform_create_native_window (gint width, gint height, gpointer * window_data)
{
GST_ERROR ("Can't create native window");
return (EGLNativeWindowType) 0;
}
gboolean
platform_destroy_native_window (EGLNativeDisplayType display,
EGLNativeWindowType window, gpointer * window_data)
{
GST_ERROR ("Can't destroy native window");
return TRUE;
}
gboolean
platform_can_map_eglimage (GstMemoryMapFunction * map,
GstMemoryUnmapFunction * unmap, PlatformMapVideo * video_map,
PlatformUnmapVideo * video_unmap)
{
return FALSE;
}
gboolean
platform_has_custom_eglimage_alloc (void)
{
return FALSE;
}
gboolean
platform_alloc_eglimage (EGLDisplay display, EGLContext context, GLint format,
GLint type, gint width, gint height, GLuint tex_id, EGLImageKHR * image,
gpointer * image_platform_data)
{
g_assert_not_reached ();
return FALSE;
}
void
platform_free_eglimage (EGLDisplay display, EGLContext context, GLuint tex_id,
EGLImageKHR * image, gpointer * image_platform_data)
{
g_assert_not_reached ();
}
#endif