mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
7898bc5810
This commit introduces IOSGLMemory which is a GLMemory that falls back to GstAppleCoreVideoMemory for CPU access. This is a temporary solution until IOSurface gets exposed as a public framework on iOS and so we can use IOSurfaceMemory on both MacOS and iOS. https://bugzilla.gnome.org/show_bug.cgi?id=769210
215 lines
6.9 KiB
Objective-C
215 lines
6.9 KiB
Objective-C
/*
|
|
* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.com>
|
|
*
|
|
* 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
|
|
|
|
#if !HAVE_IOS
|
|
#import <AppKit/AppKit.h>
|
|
#include <gst/gl/cocoa/gstglcontext_cocoa.h>
|
|
#include <gst/gl/gstglbufferpool.h>
|
|
#include "iosurfacememory.h"
|
|
#endif
|
|
#include "iosglmemory.h"
|
|
#include "videotexturecache.h"
|
|
#include "coremediabuffer.h"
|
|
#include "corevideobuffer.h"
|
|
#include "vtutil.h"
|
|
|
|
typedef struct _ContextThreadData
|
|
{
|
|
GstVideoTextureCache *cache;
|
|
GstAppleCoreVideoPixelBuffer *gpixbuf;
|
|
guint plane;
|
|
gsize size;
|
|
GstMemory *memory;
|
|
} ContextThreadData;
|
|
|
|
GstVideoTextureCache *
|
|
gst_video_texture_cache_new (GstGLContext * ctx)
|
|
{
|
|
g_return_val_if_fail (ctx != NULL, NULL);
|
|
|
|
GstVideoTextureCache *cache = g_new0 (GstVideoTextureCache, 1);
|
|
|
|
cache->ctx = gst_object_ref (ctx);
|
|
gst_video_info_init (&cache->input_info);
|
|
|
|
#if HAVE_IOS
|
|
CFMutableDictionaryRef cache_attrs =
|
|
CFDictionaryCreateMutable (NULL, 0, &kCFTypeDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
CVOpenGLESTextureCacheCreate (kCFAllocatorDefault, (CFDictionaryRef) cache_attrs,
|
|
(CVEAGLContext) gst_gl_context_get_gl_context (ctx), NULL, &cache->cache);
|
|
#else
|
|
gst_ios_surface_memory_init ();
|
|
#if 0
|
|
cache->pool = GST_BUFFER_POOL (gst_gl_buffer_pool_new (ctx));
|
|
#endif
|
|
#endif
|
|
|
|
return cache;
|
|
}
|
|
|
|
void
|
|
gst_video_texture_cache_free (GstVideoTextureCache * cache)
|
|
{
|
|
g_return_if_fail (cache != NULL);
|
|
|
|
#if HAVE_IOS
|
|
CFRelease (cache->cache); /* iOS has no "CVOpenGLESTextureCacheRelease" */
|
|
#else
|
|
#if 0
|
|
gst_buffer_pool_set_active (cache->pool, FALSE);
|
|
gst_object_unref (cache->pool);
|
|
#endif
|
|
#endif
|
|
gst_object_unref (cache->ctx);
|
|
if (cache->in_caps)
|
|
gst_caps_unref (cache->in_caps);
|
|
if (cache->out_caps)
|
|
gst_caps_unref (cache->out_caps);
|
|
g_free (cache);
|
|
}
|
|
|
|
void
|
|
gst_video_texture_cache_set_format (GstVideoTextureCache * cache,
|
|
GstVideoFormat in_format, GstCaps * out_caps)
|
|
{
|
|
GstCaps *in_caps;
|
|
GstCapsFeatures *features;
|
|
|
|
g_return_if_fail (gst_caps_is_fixed (out_caps));
|
|
|
|
out_caps = gst_caps_copy (out_caps);
|
|
features = gst_caps_get_features (out_caps, 0);
|
|
gst_video_info_from_caps (&cache->output_info, out_caps);
|
|
|
|
in_caps = gst_caps_copy (out_caps);
|
|
gst_caps_set_simple (in_caps, "format",
|
|
G_TYPE_STRING, gst_video_format_to_string (in_format), NULL);
|
|
features = gst_caps_get_features (in_caps, 0);
|
|
gst_video_info_from_caps (&cache->input_info, in_caps);
|
|
|
|
if (cache->in_caps)
|
|
gst_caps_unref (cache->in_caps);
|
|
if (cache->out_caps)
|
|
gst_caps_unref (cache->out_caps);
|
|
cache->in_caps = in_caps;
|
|
cache->out_caps = out_caps;
|
|
|
|
#if 0
|
|
GstStructure *config = gst_buffer_pool_get_config (cache->pool);
|
|
gst_buffer_pool_config_set_params (config, cache->in_caps,
|
|
GST_VIDEO_INFO_SIZE (&cache->input_info), 0, 0);
|
|
gst_buffer_pool_config_set_allocator (config,
|
|
gst_allocator_find (GST_IO_SURFACE_MEMORY_ALLOCATOR_NAME), NULL);
|
|
gst_buffer_pool_config_add_option (config,
|
|
GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE);
|
|
gst_buffer_pool_set_config (cache->pool, config);
|
|
gst_buffer_pool_set_active (cache->pool, TRUE);
|
|
#endif
|
|
}
|
|
|
|
#if HAVE_IOS
|
|
static void
|
|
_do_create_memory (GstGLContext * context, ContextThreadData * data)
|
|
{
|
|
CVOpenGLESTextureRef texture = NULL;
|
|
GstVideoTextureCache *cache = data->cache;
|
|
GstAppleCoreVideoPixelBuffer *gpixbuf = data->gpixbuf;
|
|
CVPixelBufferRef pixel_buf = gpixbuf->buf;
|
|
guint plane = data->plane;
|
|
gssize size = data->size;
|
|
GstGLTextureTarget gl_target;
|
|
GstAppleCoreVideoMemory *memory;
|
|
GstIOSGLMemory *gl_memory;
|
|
|
|
switch (GST_VIDEO_INFO_FORMAT (&cache->input_info)) {
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
if (CVOpenGLESTextureCacheCreateTextureFromImage (kCFAllocatorDefault,
|
|
cache->cache, pixel_buf, NULL, GL_TEXTURE_2D, GL_RGBA,
|
|
GST_VIDEO_INFO_WIDTH (&cache->input_info),
|
|
GST_VIDEO_INFO_HEIGHT (&cache->input_info),
|
|
GL_RGBA, GL_UNSIGNED_BYTE, 0, &texture) != kCVReturnSuccess)
|
|
goto error;
|
|
|
|
gl_target = gst_gl_texture_target_from_gl (CVOpenGLESTextureGetTarget (texture));
|
|
memory = gst_apple_core_video_memory_new_wrapped (gpixbuf, plane, size);
|
|
gl_memory = gst_ios_gl_memory_new_wrapped (context, memory,
|
|
gl_target, GST_VIDEO_GL_TEXTURE_TYPE_RGBA,
|
|
CVOpenGLESTextureGetName (texture),
|
|
&cache->input_info,
|
|
0, NULL, texture, (GDestroyNotify) CFRelease);
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12: {
|
|
GstVideoGLTextureType textype;
|
|
GLenum texifmt, texfmt;
|
|
|
|
if (plane == 0)
|
|
textype = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE;
|
|
else
|
|
textype = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA;
|
|
texifmt = gst_gl_format_from_gl_texture_type (textype);
|
|
texfmt = gst_gl_sized_gl_format_from_gl_format_type (cache->ctx, texifmt, GL_UNSIGNED_BYTE);
|
|
|
|
if (CVOpenGLESTextureCacheCreateTextureFromImage (kCFAllocatorDefault,
|
|
cache->cache, pixel_buf, NULL, GL_TEXTURE_2D, texifmt,
|
|
GST_VIDEO_INFO_COMP_WIDTH (&cache->input_info, plane),
|
|
GST_VIDEO_INFO_COMP_HEIGHT (&cache->input_info, plane),
|
|
texfmt, GL_UNSIGNED_BYTE, plane, &texture) != kCVReturnSuccess)
|
|
goto error;
|
|
|
|
gl_target = gst_gl_texture_target_from_gl (CVOpenGLESTextureGetTarget (texture));
|
|
memory = gst_apple_core_video_memory_new_wrapped (gpixbuf, plane, size);
|
|
gl_memory = gst_ios_gl_memory_new_wrapped (context, memory,
|
|
gl_target, textype, CVOpenGLESTextureGetName (texture), &cache->input_info,
|
|
plane, NULL, texture, (GDestroyNotify) CFRelease);
|
|
break;
|
|
}
|
|
default:
|
|
g_warn_if_reached ();
|
|
goto error;
|
|
}
|
|
|
|
data->memory = GST_MEMORY_CAST (gl_memory);
|
|
|
|
return;
|
|
|
|
error:
|
|
data->memory = NULL;
|
|
}
|
|
#endif
|
|
|
|
GstMemory *
|
|
gst_video_texture_cache_create_memory (GstVideoTextureCache * cache,
|
|
GstAppleCoreVideoPixelBuffer *gpixbuf,
|
|
guint plane,
|
|
gsize size)
|
|
{
|
|
ContextThreadData data = {cache, gpixbuf, plane, size, NULL};
|
|
|
|
#if HAVE_IOS
|
|
gst_gl_context_thread_add (cache->ctx,
|
|
(GstGLContextThreadFunc) _do_create_memory, &data);
|
|
#endif
|
|
|
|
return data.memory;
|
|
}
|