gl/upload: add GstGLUploadMeta object

That simply deals with the provider aspect of GstVideoGLTextureUploadMeta.
This commit is contained in:
Matthew Waters 2014-05-28 14:40:10 +10:00 committed by Tim-Philipp Müller
parent 1f6fceafa4
commit 32343333aa
11 changed files with 468 additions and 166 deletions

View file

@ -703,7 +703,7 @@ gst_glimage_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
if (glimage_sink->upload)
gst_object_unref (glimage_sink->upload);
glimage_sink->upload = gst_object_ref (GST_GL_BUFFER_POOL (newpool)->upload);
glimage_sink->upload = gst_gl_upload_new (glimage_sink->context);
gst_gl_upload_set_format (glimage_sink->upload, &vinfo);

View file

@ -20,6 +20,7 @@ libgstgl_@GST_API_VERSION@_la_SOURCES = \
gstglcolorconvert.c \
gstgldownload.c \
gstglupload.c \
gstgluploadmeta.c \
gstglwindow.c \
gstglapi.c \
gstglfeature.c \
@ -41,6 +42,7 @@ libgstgl_@GST_API_VERSION@include_HEADERS = \
gstglshader.h \
gstglcolorconvert.h \
gstgldownload.h \
gstgluploadmeta.h \
gstglupload.h \
gstglapi.h \
gstglfeature.h \

View file

@ -32,6 +32,7 @@
#include <gst/gl/gstglshader.h>
#include <gst/gl/gstglcolorconvert.h>
#include <gst/gl/gstglupload.h>
#include <gst/gl/gstgluploadmeta.h>
#include <gst/gl/gstgldownload.h>
#include <gst/gl/gstglmemory.h>
#include <gst/gl/gstglbufferpool.h>

View file

@ -55,6 +55,10 @@ typedef struct _GstGLUpload GstGLUpload;
typedef struct _GstGLUploadClass GstGLUploadClass;
typedef struct _GstGLUploadPrivate GstGLUploadPrivate;
typedef struct _GstGLUploadMeta GstGLUploadMeta;
typedef struct _GstGLUploadMetaClass GstGLUploadMetaClass;
typedef struct _GstGLUploadMetaPrivate GstGLUploadMetaPrivate;
typedef struct _GstGLColorConvert GstGLColorConvert;
typedef struct _GstGLColorConvertClass GstGLColorConvertClass;
typedef struct _GstGLColorConvertPrivate GstGLColorConvertPrivate;

View file

@ -135,7 +135,7 @@ gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
if (glpool->upload)
gst_object_unref (glpool->upload);
glpool->upload = gst_gl_upload_new (glpool->context);
glpool->upload = gst_gl_upload_meta_new (glpool->context);
}
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
@ -175,7 +175,7 @@ gst_gl_buffer_pool_start (GstBufferPool * pool)
GstGLBufferPool *glpool = GST_GL_BUFFER_POOL_CAST (pool);
GstGLBufferPoolPrivate *priv = glpool->priv;
gst_gl_upload_set_format (glpool->upload, &priv->info);
gst_gl_upload_meta_set_format (glpool->upload, &priv->info);
return GST_BUFFER_POOL_CLASS (parent_class)->start (pool);
}
@ -211,7 +211,7 @@ gst_gl_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
if (!gst_gl_memory_setup_buffer (glpool->context, info, buf))
goto mem_create_failed;
gst_gl_upload_add_video_gl_texture_upload_meta (glpool->upload, buf);
gst_gl_upload_meta_add_to_buffer (glpool->upload, buf);
*buffer = buf;

View file

@ -50,7 +50,7 @@ struct _GstGLBufferPool
GstBufferPool bufferpool;
GstGLContext *context;
GstGLUpload *upload;
GstGLUploadMeta *upload;
GstGLBufferPoolPrivate *priv;
};

View file

@ -1185,8 +1185,6 @@ gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
{
GstGLFilter *filter;
GstGLFilterClass *filter_class;
GstCaps *in_caps, *out_caps;
GstBufferPool *pool;
filter = GST_GL_FILTER (bt);
filter_class = GST_GL_FILTER_GET_CLASS (bt);
@ -1195,21 +1193,8 @@ gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
return GST_FLOW_NOT_NEGOTIATED;
if (!filter->upload) {
in_caps = gst_pad_get_current_caps (GST_BASE_TRANSFORM_SINK_PAD (filter));
out_caps = gst_pad_get_current_caps (GST_BASE_TRANSFORM_SRC_PAD (filter));
pool = gst_base_transform_get_buffer_pool (bt);
if (GST_IS_GL_BUFFER_POOL (pool)
&& gst_caps_is_equal_fixed (in_caps, out_caps)) {
filter->upload = gst_object_ref (GST_GL_BUFFER_POOL (pool)->upload);
} else {
filter->upload = gst_gl_upload_new (filter->context);
}
filter->upload = gst_gl_upload_new (filter->context);
gst_gl_upload_set_format (filter->upload, &filter->in_info);
gst_caps_unref (in_caps);
gst_caps_unref (out_caps);
gst_object_unref (pool);
}
g_assert (filter_class->filter || filter_class->filter_texture);

View file

@ -367,57 +367,6 @@ gst_gl_upload_release_buffer (GstGLUpload * upload)
gst_video_frame_unmap (&upload->priv->frame);
}
/*
* Uploads as a result of a call to gst_video_gl_texture_upload_meta_upload().
* i.e. provider of GstVideoGLTextureUploadMeta
*/
static gboolean
_do_upload_for_meta (GstGLUpload * upload, GstVideoGLTextureUploadMeta * meta)
{
GstVideoInfo in_info;
GstVideoFrame frame;
GstMemory *mem;
gboolean ret;
g_return_val_if_fail (upload != NULL, FALSE);
g_return_val_if_fail (meta != NULL, FALSE);
/* GstGLMemory */
mem = gst_buffer_peek_memory (upload->priv->buffer, 0);
if (gst_is_gl_memory (mem)) {
GstGLMemory *gl_mem = (GstGLMemory *) mem;
upload->in_tex[0] = gl_mem;
ret = _upload_memory (upload);
upload->in_tex[0] = NULL;
if (ret)
return TRUE;
}
if (!gst_video_frame_map (&frame, &in_info, upload->priv->buffer,
GST_MAP_READ)) {
GST_ERROR ("failed to map video frame");
return FALSE;
}
/* update the video info from the one updated by frame_map using video meta */
gst_gl_upload_set_format (upload, &upload->priv->frame.info);
if (!upload->priv->tex_id)
gst_gl_context_gen_texture (upload->context, &upload->priv->tex_id,
GST_VIDEO_FORMAT_RGBA, GST_VIDEO_INFO_WIDTH (&upload->in_info),
GST_VIDEO_INFO_HEIGHT (&upload->in_info));
ret = _gst_gl_upload_perform_with_data_unlocked (upload,
upload->out_tex->tex_id, frame.data);
gst_video_frame_unmap (&frame);
return ret;
}
/*
* Uploads using gst_video_gl_texture_upload_meta_upload().
* i.e. consumer of GstVideoGLTextureUploadMeta
@ -487,98 +436,6 @@ gst_gl_upload_perform_with_gl_texture_upload_meta (GstGLUpload * upload,
return ret;
}
static gboolean
_gst_gl_upload_perform_for_gl_texture_upload_meta (GstVideoGLTextureUploadMeta *
meta, guint texture_id[4])
{
GstGLUpload *upload;
gboolean ret;
g_return_val_if_fail (meta != NULL, FALSE);
g_return_val_if_fail (texture_id != NULL, FALSE);
upload = meta->user_data;
g_mutex_lock (&upload->lock);
if (!upload->initted) {
GstVideoInfo in_info;
GstVideoMeta *v_meta = gst_buffer_get_video_meta (upload->priv->buffer);
gint i;
if (v_meta == NULL)
return FALSE;
gst_video_info_init (&in_info);
in_info.finfo = gst_video_format_get_info (v_meta->format);
in_info.width = v_meta->width;
in_info.height = v_meta->height;
for (i = 0; i < in_info.finfo->n_planes; i++) {
in_info.offset[i] = v_meta->offset[i];
in_info.stride[i] = v_meta->stride[i];
}
_gst_gl_upload_set_format_unlocked (upload, &in_info);
upload->out_tex = gst_gl_memory_wrapped_texture (upload->context,
texture_id[0], GST_VIDEO_GL_TEXTURE_TYPE_RGBA,
GST_VIDEO_INFO_WIDTH (&upload->in_info),
GST_VIDEO_INFO_HEIGHT (&upload->in_info), NULL, NULL);
}
/* FIXME: kinda breaks the abstraction */
if (upload->out_tex->tex_id != texture_id[0]) {
upload->out_tex->tex_id = texture_id[0];
GST_GL_MEMORY_FLAG_SET (upload->out_tex, GST_GL_MEMORY_FLAG_NEED_DOWNLOAD);
}
GST_LOG ("Uploading for meta with textures %i,%i,%i,%i", texture_id[0],
texture_id[1], texture_id[2], texture_id[3]);
ret = _do_upload_for_meta (upload, meta);
g_mutex_unlock (&upload->lock);
return ret;
}
/**
* gst_gl_upload_add_video_gl_texture_upload_meta:
* @upload: a #GstGLUpload
* @buffer: a #GstBuffer
*
* Adds a #GstVideoGLTextureUploadMeta on @buffer using @upload
*
* Returns: whether it was successful
*/
gboolean
gst_gl_upload_add_video_gl_texture_upload_meta (GstGLUpload * upload,
GstBuffer * buffer)
{
GstVideoGLTextureType texture_types[GST_VIDEO_MAX_PLANES];
GstVideoMeta *v_meta;
gint i;
g_return_val_if_fail (upload != NULL, FALSE);
g_return_val_if_fail (buffer != NULL, FALSE);
v_meta = gst_buffer_get_video_meta (buffer);
g_return_val_if_fail (v_meta != NULL, FALSE);
upload->priv->buffer = buffer;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
texture_types[i] = gst_gl_texture_type_from_format (upload->context, v_meta->format, i);
}
gst_buffer_add_video_gl_texture_upload_meta (buffer,
GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL, 1, texture_types,
_gst_gl_upload_perform_for_gl_texture_upload_meta,
gst_object_ref (upload), gst_object_ref, gst_object_unref);
return TRUE;
}
/**
* gst_gl_upload_perform_with_data:
* @upload: a #GstGLUpload

View file

@ -80,8 +80,6 @@ GstGLUpload * gst_gl_upload_new (GstGLContext * context);
void gst_gl_upload_set_format (GstGLUpload * upload, GstVideoInfo * in_info);
GstVideoInfo * gst_gl_upload_get_format (GstGLUpload * upload);
gboolean gst_gl_upload_add_video_gl_texture_upload_meta (GstGLUpload * upload, GstBuffer * buffer);
gboolean gst_gl_upload_perform_with_buffer (GstGLUpload * upload, GstBuffer * buffer, guint * tex_id);
void gst_gl_upload_release_buffer (GstGLUpload * upload);
gboolean gst_gl_upload_perform_with_data (GstGLUpload * upload, GLuint texture_id,

View file

@ -0,0 +1,376 @@
/*
* GStreamer
* Copyright (C) 2012-2014 Matthew Waters <ystree00@gmail.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
#include <stdio.h>
#include "gl.h"
#include "gstgluploadmeta.h"
/**
* SECTION:gstgluploadmeta
* @short_description: an object that provides #GstVideoGLTextureUploadMeta
* @see_also: #GstGLUpload, #GstGLMemory
*
* #GstGLUploadMeta is an object that uploads data from system memory into GL textures.
*
* A #GstGLUpload can be created with gst_gl_upload_new()
*/
#define USING_OPENGL(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_OPENGL)
#define USING_OPENGL3(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_OPENGL3)
#define USING_GLES(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_GLES)
#define USING_GLES2(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_GLES2)
#define USING_GLES3(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_GLES3)
/* *INDENT-OFF* */
struct _GstGLUploadMetaPrivate
{
GstBuffer *buffer;
gboolean initted;
GstGLMemory *in_tex[GST_VIDEO_MAX_PLANES];
GstGLMemory *out_tex[GST_VIDEO_MAX_PLANES];
};
GST_DEBUG_CATEGORY_STATIC (gst_gl_upload_meta_debug);
#define GST_CAT_DEFAULT gst_gl_upload_meta_debug
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_gl_upload_meta_debug, "gluploadmeta", 0, "uploadmeta");
G_DEFINE_TYPE_WITH_CODE (GstGLUploadMeta, gst_gl_upload_meta, GST_TYPE_OBJECT, DEBUG_INIT);
static void gst_gl_upload_meta_finalize (GObject * object);
static void gst_gl_upload_meta_reset (GstGLUploadMeta * upload);
#define GST_GL_UPLOAD_META_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
GST_TYPE_GL_UPLOAD_META, GstGLUploadMetaPrivate))
static void
gst_gl_upload_meta_class_init (GstGLUploadMetaClass * klass)
{
g_type_class_add_private (klass, sizeof (GstGLUploadMetaPrivate));
G_OBJECT_CLASS (klass)->finalize = gst_gl_upload_meta_finalize;
}
static void
gst_gl_upload_meta_init (GstGLUploadMeta * upload)
{
upload->priv = GST_GL_UPLOAD_META_GET_PRIVATE (upload);
upload->context = NULL;
gst_video_info_set_format (&upload->info, GST_VIDEO_FORMAT_ENCODED, 0, 0);
}
/**
* gst_gl_upload_meta_new:
* @context: a #GstGLContext
*
* Returns: a new #GstGLUploadMeta object
*/
GstGLUploadMeta *
gst_gl_upload_meta_new (GstGLContext * context)
{
GstGLUploadMeta *upload;
upload = g_object_new (GST_TYPE_GL_UPLOAD_META, NULL);
upload->context = gst_object_ref (context);
return upload;
}
static void
gst_gl_upload_meta_finalize (GObject * object)
{
GstGLUploadMeta *upload;
upload = GST_GL_UPLOAD_META (object);
gst_gl_upload_meta_reset (upload);
if (upload->context) {
gst_object_unref (upload->context);
upload->context = NULL;
}
G_OBJECT_CLASS (gst_gl_upload_meta_parent_class)->finalize (object);
}
static void
gst_gl_upload_meta_reset (GstGLUploadMeta * upload)
{
guint i;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (upload->priv->out_tex[i]) {
gst_memory_unref ((GstMemory *) upload->priv->out_tex[i]);
upload->priv->out_tex[i] = NULL;
}
}
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (upload->priv->in_tex[i]) {
gst_memory_unref ((GstMemory *) upload->priv->in_tex[i]);
upload->priv->in_tex[i] = NULL;
}
}
}
static void
_gst_gl_upload_meta_set_format_unlocked (GstGLUploadMeta * upload,
GstVideoInfo *info)
{
g_return_if_fail (upload != NULL);
g_return_if_fail (GST_VIDEO_INFO_FORMAT (info) !=
GST_VIDEO_FORMAT_UNKNOWN);
g_return_if_fail (GST_VIDEO_INFO_FORMAT (info) !=
GST_VIDEO_FORMAT_ENCODED);
if (gst_video_info_is_equal (&upload->info, info))
return;
gst_gl_upload_meta_reset (upload);
upload->info = *info;
upload->priv->initted = FALSE;
}
/**
* gst_gl_upload_meta_set_format:
* @upload: a #GstGLUpload
* @info: input #GstVideoInfo
*
* Initializes @upload with the information required for upload.
*/
void
gst_gl_upload_meta_set_format (GstGLUploadMeta * upload, GstVideoInfo * info)
{
GST_OBJECT_LOCK (upload);
_gst_gl_upload_meta_set_format_unlocked (upload, info);
GST_OBJECT_UNLOCK (upload);
}
/**
* gst_gl_upload_meta_get_format:
* @upload: a #GstGLUpload
*
* Returns: (transfer none): The #GstVideoInfo set by
* gst_gl_upload_meta_set_format()
*/
GstVideoInfo *
gst_gl_upload_meta_get_format (GstGLUploadMeta * upload)
{
GstVideoInfo *ret;
GST_OBJECT_LOCK (upload);
ret = &upload->info;
GST_OBJECT_LOCK (upload);
return ret;
}
static gboolean
_perform_with_gl_memory (GstGLUploadMeta * upload, GstVideoGLTextureUploadMeta *
meta, guint texture_id[4])
{
gboolean res = TRUE;
gint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) {
GstGLMemory *in_mem = upload->priv->in_tex[i];
if (GST_GL_MEMORY_FLAG_IS_SET (in_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD)) {
GstMapInfo map_info;
guint tex_id;
tex_id = in_mem->tex_id;
in_mem->tex_id = texture_id[i];
if (!gst_memory_map ((GstMemory *) in_mem, &map_info, GST_MAP_READ | GST_MAP_GL)) {
GST_WARNING_OBJECT (upload, "Failed to map GL memory");
res = FALSE;
}
gst_memory_unmap ((GstMemory *) in_mem, &map_info);
in_mem->tex_id = tex_id;
GST_GL_MEMORY_FLAG_SET (in_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD);
} else {
GstGLMemory *out_mem;
if (!upload->priv->out_tex[i])
upload->priv->out_tex[i] = gst_gl_memory_wrapped_texture (upload->context,
texture_id[i], meta->texture_type[i],
GST_VIDEO_INFO_WIDTH (&upload->info),
GST_VIDEO_INFO_HEIGHT (&upload->info), NULL, NULL);
out_mem = upload->priv->out_tex[i];
if (out_mem->tex_id != texture_id[i]) {
out_mem->tex_id = texture_id[i];
GST_GL_MEMORY_FLAG_SET (out_mem, GST_GL_MEMORY_FLAG_NEED_DOWNLOAD);
}
if (!(res = gst_gl_memory_copy_into_texture (in_mem, out_mem->tex_id,
out_mem->tex_type, out_mem->width, out_mem->height, out_mem->stride,
FALSE)))
break;
}
}
return res;
}
static gboolean
_perform_with_data_unlocked (GstGLUploadMeta * upload,
GstVideoGLTextureUploadMeta * meta,
gpointer data[GST_VIDEO_MAX_PLANES], guint texture_id[4])
{
guint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) {
if (!upload->priv->in_tex[i])
upload->priv->in_tex[i] = gst_gl_memory_wrapped (upload->context,
meta->texture_type[i], GST_VIDEO_INFO_WIDTH (&upload->info),
GST_VIDEO_INFO_HEIGHT (&upload->info),
GST_VIDEO_INFO_PLANE_STRIDE (&upload->info, i), data[i], NULL, NULL);
upload->priv->in_tex[i]->data = data[i];
}
return _perform_with_gl_memory (upload, meta, texture_id);
}
static gboolean
_perform_for_gl_texture_upload_meta (GstVideoGLTextureUploadMeta *
meta, guint texture_id[4])
{
GstGLUploadMeta *upload;
GstVideoFrame frame;
// GstMemory *mem;
gboolean ret;
// guint i, n;
g_return_val_if_fail (meta != NULL, FALSE);
g_return_val_if_fail (texture_id != NULL, FALSE);
upload = meta->user_data;
GST_OBJECT_LOCK (upload);
if (!upload->priv->initted) {
GstVideoInfo info;
GstVideoMeta *v_meta = gst_buffer_get_video_meta (upload->priv->buffer);
gint i;
if (!(ret = v_meta != NULL))
goto out;
gst_video_info_init (&info);
info.finfo = gst_video_format_get_info (v_meta->format);
info.width = v_meta->width;
info.height = v_meta->height;
for (i = 0; i < info.finfo->n_planes; i++) {
info.offset[i] = v_meta->offset[i];
info.stride[i] = v_meta->stride[i];
}
_gst_gl_upload_meta_set_format_unlocked (upload, &info);
upload->priv->initted = TRUE;
}
GST_LOG ("Uploading for meta with textures %i,%i,%i,%i", texture_id[0],
texture_id[1], texture_id[2], texture_id[3]);
#if 0
/* GstGLMemory */
n = gst_buffer_n_memory (upload->priv->buffer);
mem = gst_buffer_peek_memory (upload->priv->buffer, 0);
if (gst_is_gl_memory (mem) && n == GST_VIDEO_INFO_N_PLANES (&upload->info)) {
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++)
upload->priv->in_tex[i] = (GstGLMemory *) gst_buffer_peek_memory (upload->priv->buffer, i);
ret = _perform_with_gl_memory (upload, meta, texture_id);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++)
upload->priv->in_tex[i] = NULL;
if (ret)
goto out;
}
#endif
if (!(ret = gst_video_frame_map (&frame, &upload->info, upload->priv->buffer,
GST_MAP_READ))) {
GST_ERROR ("failed to map video frame");
goto out;
}
/* update the video info from the one updated by frame_map using video meta */
_gst_gl_upload_meta_set_format_unlocked (upload, &frame.info);
ret = _perform_with_data_unlocked (upload, meta, frame.data, texture_id);
gst_video_frame_unmap (&frame);
out:
GST_OBJECT_UNLOCK (upload);
return ret;
}
/**
* gst_gl_upload_meta_add_to_buffer:
* @upload: a #GstGLUploadMeta
* @buffer: a #GstBuffer
*
* Adds a #GstVideoGLTextureUploadMeta on @buffer using @upload
*
* Returns: whether it was successful
*/
gboolean
gst_gl_upload_meta_add_to_buffer (GstGLUploadMeta * upload, GstBuffer * buffer)
{
GstVideoGLTextureType texture_types[GST_VIDEO_MAX_PLANES];
GstVideoMeta *v_meta;
gint i;
g_return_val_if_fail (upload != NULL, FALSE);
g_return_val_if_fail (buffer != NULL, FALSE);
v_meta = gst_buffer_get_video_meta (buffer);
g_return_val_if_fail (v_meta != NULL, FALSE);
upload->priv->buffer = buffer;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
texture_types[i] = gst_gl_texture_type_from_format (upload->context, v_meta->format, i);
}
gst_buffer_add_video_gl_texture_upload_meta (buffer,
GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL, 1, texture_types,
_perform_for_gl_texture_upload_meta, gst_object_ref (upload),
gst_object_ref, gst_object_unref);
return TRUE;
}

View file

@ -0,0 +1,79 @@
/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystree00@gmail.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.
*/
#ifndef __GST_GL_UPLOAD_META_H__
#define __GST_GL_UPLOAD_META_H__
#include <gst/video/video.h>
#include <gst/gstmemory.h>
#include <gst/gl/gstgl_fwd.h>
G_BEGIN_DECLS
GType gst_gl_upload_meta_get_type (void);
#define GST_TYPE_GL_UPLOAD_META (gst_gl_upload_meta_get_type())
#define GST_GL_UPLOAD_META(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_UPLOAD_META,GstGLUploadMeta))
#define GST_GL_UPLOAD_META_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_UPLOAD_META,GstGLUploadMetaClass))
#define GST_IS_GL_UPLOAD_META(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_UPLOAD_META))
#define GST_IS_GL_UPLOAD_META_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_UPLOAD_META))
#define GST_GL_UPLOAD_META_CAST(obj) ((GstGLUploadMeta*)(obj))
/**
* GstGLUploadMeta
*
* Opaque #GstGLUploadMeta object
*/
struct _GstGLUploadMeta
{
/* <private> */
GstObject parent;
GstGLContext *context;
/* input data */
GstVideoInfo info;
/* <private> */
GstGLUploadMetaPrivate *priv;
gpointer _reserved[GST_PADDING];
};
/**
* GstGLUploadMetaClass:
*
* The #GstGLUploadMetaClass struct only contains private data
*/
struct _GstGLUploadMetaClass
{
GstObjectClass object_class;
};
GstGLUploadMeta * gst_gl_upload_meta_new (GstGLContext * context);
void gst_gl_upload_meta_set_format (GstGLUploadMeta * upload, GstVideoInfo * info);
GstVideoInfo * gst_gl_upload_meta_get_format (GstGLUploadMeta * upload);
gboolean gst_gl_upload_meta_add_to_buffer (GstGLUploadMeta * upload, GstBuffer * buffer);
G_END_DECLS
#endif /* __GST_GL_UPLOAD_META_H__ */