mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
376 lines
10 KiB
C
376 lines
10 KiB
C
/*
|
|
* 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;
|
|
}
|