static void
init (gpointer data)
{
GstGLContext *context = data;
GError *error = NULL;
GstVideoInfo v_info;
GstGLMemoryAllocator *allocator;
GstGLVideoAllocationParams *params;
gst_video_info_set_format (&v_info, GST_VIDEO_FORMAT_RGBA, 320, 240);
allocator = gst_gl_memory_allocator_get_default (context);
params =
gst_gl_video_allocation_params_new (context, NULL, &v_info, 0, NULL,
GST_GL_TEXTURE_TARGET_2D, GST_GL_RGBA);
/* has to be called in the thread that is going to use the framebuffer */
fbo = gst_gl_framebuffer_new_with_default_depth (context, 320, 240);
fail_if (fbo == NULL, "failed to create framebuffer object");
gl_tex =
(GstGLMemory *) gst_gl_base_memory_alloc ((GstGLBaseMemoryAllocator *)
allocator, (GstGLAllocationParams *) params);
gl_tex2 =
(GstGLMemory *) gst_gl_base_memory_alloc ((GstGLBaseMemoryAllocator *)
allocator, (GstGLAllocationParams *) params);
gst_object_unref (allocator);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
fail_if (gl_tex == NULL, "failed to create texture");
shader = gst_gl_shader_new_default (context, &error);
fail_if (shader == NULL, "failed to create shader object: %s",
error->message);
shader_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
shader_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
}
static void
test_transfer_allocator (const gchar * allocator_name)
{
GstAllocator *gl_allocator;
GstGLBaseMemoryAllocator *base_mem_alloc;
GstVideoInfo v_info;
GstMemory *mem, *mem2, *mem3;
GstMapInfo map_info;
GstGLVideoAllocationParams *params;
gl_allocator = gst_allocator_find (allocator_name);
fail_if (gl_allocator == NULL);
base_mem_alloc = GST_GL_BASE_MEMORY_ALLOCATOR (gl_allocator);
gst_video_info_set_format (&v_info, GST_VIDEO_FORMAT_RGBA, 1, 1);
params = gst_gl_video_allocation_params_new (context, NULL, &v_info, 0,
NULL, GST_GL_TEXTURE_TARGET_2D, GST_VIDEO_GL_TEXTURE_TYPE_RGBA);
/* texture creation */
mem = (GstMemory *) gst_gl_base_memory_alloc (base_mem_alloc,
(GstGLAllocationParams *) params);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
/* test wrapping raw data */
params = gst_gl_video_allocation_params_new_wrapped_data (context, NULL,
&v_info, 0, NULL, GST_GL_TEXTURE_TARGET_2D,
GST_VIDEO_GL_TEXTURE_TYPE_RGBA, rgba_pixel, NULL, NULL);
mem2 =
(GstMemory *) gst_gl_base_memory_alloc (base_mem_alloc,
(GstGLAllocationParams *) params);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
fail_if (mem == NULL);
fail_unless (GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
/* wrapped texture creation */
params = gst_gl_video_allocation_params_new_wrapped_texture (context, NULL,
&v_info, 0, NULL, GST_GL_TEXTURE_TARGET_2D,
GST_VIDEO_GL_TEXTURE_TYPE_RGBA, ((GstGLMemory *) mem)->tex_id, NULL,
NULL);
mem3 =
(GstMemory *) gst_gl_base_memory_alloc (base_mem_alloc,
(GstGLAllocationParams *) params);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
/* check data/flags are correct */
fail_unless (gst_memory_map (mem2, &map_info, GST_MAP_READ));
fail_unless (GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
fail_unless (memcmp (map_info.data, rgba_pixel,
G_N_ELEMENTS (rgba_pixel)) == 0,
"0x%02x%02x%02x%02x != 0x%02x%02x%02x%02x", map_info.data[0],
map_info.data[1], map_info.data[2], map_info.data[3],
(guint8) rgba_pixel[0], (guint8) rgba_pixel[1], (guint8) rgba_pixel[2],
(guint8) rgba_pixel[3]);
gst_memory_unmap (mem2, &map_info);
fail_unless (GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
fail_unless (gst_memory_map (mem2, &map_info, GST_MAP_READ | GST_MAP_GL));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
/* test texture copy */
fail_unless (gst_gl_memory_copy_into ((GstGLMemory *) mem2,
((GstGLMemory *) mem)->tex_id, GST_GL_TEXTURE_TARGET_2D,
GST_VIDEO_GL_TEXTURE_TYPE_RGBA, 1, 1));
GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD);
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem2,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
gst_memory_unmap (mem2, &map_info);
/* test download of copied texture */
fail_unless (gst_memory_map (mem, &map_info, GST_MAP_READ));
fail_unless (memcmp (map_info.data, rgba_pixel,
G_N_ELEMENTS (rgba_pixel)) == 0,
"0x%02x%02x%02x%02x != 0x%02x%02x%02x%02x", (guint8) map_info.data[0],
(guint8) map_info.data[1], (guint8) map_info.data[2],
(guint8) map_info.data[3], (guint8) rgba_pixel[0], (guint8) rgba_pixel[1],
(guint8) rgba_pixel[2], (guint8) rgba_pixel[3]);
gst_memory_unmap (mem, &map_info);
/* test download of wrapped copied texture */
fail_unless (gst_memory_map (mem3, &map_info, GST_MAP_READ));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
fail_unless (memcmp (map_info.data, rgba_pixel,
G_N_ELEMENTS (rgba_pixel)) == 0,
"0x%02x%02x%02x%02x != 0x%02x%02x%02x%02x", (guint8) map_info.data[0],
(guint8) map_info.data[1], (guint8) map_info.data[2],
(guint8) map_info.data[3], (guint8) rgba_pixel[0], (guint8) rgba_pixel[1],
(guint8) rgba_pixel[2], (guint8) rgba_pixel[3]);
gst_memory_unmap (mem3, &map_info);
/* test upload flag */
fail_unless (gst_memory_map (mem3, &map_info, GST_MAP_WRITE));
gst_memory_unmap (mem3, &map_info);
fail_unless (GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
/* test download flag */
fail_unless (gst_memory_map (mem3, &map_info, GST_MAP_WRITE | GST_MAP_GL));
gst_memory_unmap (mem3, &map_info);
fail_unless (!GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD));
fail_unless (GST_MEMORY_FLAG_IS_SET (mem3,
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD));
gst_memory_unref (mem);
gst_memory_unref (mem2);
gst_memory_unref (mem3);
gst_object_unref (gl_allocator);
}
static gboolean
gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstGLBufferPool *glpool = GST_GL_BUFFER_POOL_CAST (pool);
GstGLBufferPoolPrivate *priv = glpool->priv;
GstVideoInfo info;
GstCaps *caps = NULL;
guint min_buffers, max_buffers;
guint max_align, n;
GstAllocator *allocator = NULL;
GstAllocationParams alloc_params;
GstGLTextureTarget tex_target;
gboolean ret = TRUE;
gint p;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, &min_buffers,
&max_buffers))
goto wrong_config;
if (caps == NULL)
goto no_caps;
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&info, caps))
goto wrong_caps;
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
caps);
if (!gst_buffer_pool_config_get_allocator (config, &allocator, &alloc_params))
goto wrong_config;
gst_caps_replace (&priv->caps, caps);
if (priv->allocator)
gst_object_unref (priv->allocator);
if (allocator) {
if (!GST_IS_GL_MEMORY_ALLOCATOR (allocator)) {
gst_object_unref (allocator);
goto wrong_allocator;
} else {
priv->allocator = gst_object_ref (allocator);
}
} else {
priv->allocator =
GST_ALLOCATOR (gst_gl_memory_allocator_get_default (glpool->context));
g_assert (priv->allocator);
}
priv->add_videometa = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
priv->add_glsyncmeta = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_GL_SYNC_META);
if (priv->gl_params)
gst_gl_allocation_params_free ((GstGLAllocationParams *) priv->gl_params);
priv->gl_params = (GstGLVideoAllocationParams *)
gst_buffer_pool_config_get_gl_allocation_params (config);
if (!priv->gl_params)
priv->gl_params = gst_gl_video_allocation_params_new (glpool->context,
&alloc_params, &info, -1, NULL, 0, 0);
max_align = alloc_params.align;
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
priv->add_videometa = TRUE;
gst_buffer_pool_config_get_video_alignment (config,
priv->gl_params->valign);
for (n = 0; n < GST_VIDEO_MAX_PLANES; ++n)
max_align |= priv->gl_params->valign->stride_align[n];
for (n = 0; n < GST_VIDEO_MAX_PLANES; ++n)
priv->gl_params->valign->stride_align[n] = max_align;
gst_video_info_align (priv->gl_params->v_info, priv->gl_params->valign);
gst_buffer_pool_config_set_video_alignment (config,
priv->gl_params->valign);
}
if (alloc_params.align < max_align) {
GST_WARNING_OBJECT (pool, "allocation params alignment %u is smaller "
"than the max specified video stride alignment %u, fixing",
(guint) alloc_params.align, max_align);
alloc_params.align = max_align;
gst_buffer_pool_config_set_allocator (config, allocator, &alloc_params);
if (priv->gl_params->parent.alloc_params)
gst_allocation_params_free (priv->gl_params->parent.alloc_params);
priv->gl_params->parent.alloc_params =
gst_allocation_params_copy (&alloc_params);
}
{
GstStructure *s = gst_caps_get_structure (caps, 0);
const gchar *target_str = gst_structure_get_string (s, "texture-target");
gboolean multiple_texture_targets = FALSE;
tex_target = priv->gl_params->target;
if (target_str)
tex_target = gst_gl_texture_target_from_string (target_str);
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D)) {
if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_2D)
multiple_texture_targets = TRUE;
tex_target = GST_GL_TEXTURE_TARGET_2D;
}
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE)) {
if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_RECTANGLE)
multiple_texture_targets = TRUE;
tex_target = GST_GL_TEXTURE_TARGET_RECTANGLE;
}
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES)) {
if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_EXTERNAL_OES)
multiple_texture_targets = TRUE;
tex_target = GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
}
if (!tex_target)
tex_target = GST_GL_TEXTURE_TARGET_2D;
if (multiple_texture_targets) {
GST_WARNING_OBJECT (pool, "Multiple texture targets configured either "
"through caps or buffer pool options");
ret = FALSE;
}
priv->gl_params->target = tex_target;
}
/* Recalulate the size and offset as we don't add padding between planes. */
priv->gl_params->v_info->size = 0;
for (p = 0; p < GST_VIDEO_INFO_N_PLANES (priv->gl_params->v_info); p++) {
priv->gl_params->v_info->offset[p] = priv->gl_params->v_info->size;
priv->gl_params->v_info->size +=
gst_gl_get_plane_data_size (priv->gl_params->v_info,
priv->gl_params->valign, p);
}
gst_buffer_pool_config_set_params (config, caps,
priv->gl_params->v_info->size, min_buffers, max_buffers);
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config) && ret;
/* ERRORS */
wrong_config:
{
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
no_caps:
{
GST_WARNING_OBJECT (pool, "no caps in config");
return FALSE;
}
wrong_caps:
{
GST_WARNING_OBJECT (pool,
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
wrong_allocator:
{
GST_WARNING_OBJECT (pool, "Incorrect allocator type for this pool");
return FALSE;
}
}
