mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
glbufferpool: use gst_gl_base_memory_alloc as a generic GL allocation framework
Requires the usage of GstGLVideoAllocationParams however any user can set their own parameters along with an allocator which will be used to allocate the correct memory type.
This commit is contained in:
Matthew Waters
Tim-Philipp Müller
parent
228481da18
commit
1781e465a0
2 changed files with 82 additions and 62 deletions
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@ -47,12 +47,8 @@
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struct _GstGLBufferPoolPrivate
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{
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GstAllocator *allocator;
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GstAllocationParams params;
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GstGLVideoAllocationParams *gl_params;
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GstCaps *caps;
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gint im_format;
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GstVideoInfo info;
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GstVideoAlignment valign;
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GstGLTextureTarget tex_target;
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gboolean add_videometa;
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gboolean add_glsyncmeta;
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gboolean want_eglimage;
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@ -97,6 +93,7 @@ gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
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guint max_align, n;
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GstAllocator *allocator = NULL;
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GstAllocationParams alloc_params;
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GstGLTextureTarget tex_target;
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gboolean ret = TRUE;
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gint p;
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@ -117,22 +114,18 @@ gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
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if (!gst_buffer_pool_config_get_allocator (config, &allocator, &alloc_params))
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goto wrong_config;
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gst_caps_replace (&priv->caps, caps);
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if (priv->allocator)
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gst_object_unref (priv->allocator);
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if (allocator) {
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if (allocator /* && GST_IS_GL_MEMORY_ALLOCATOR (allocator) FIXME EGLImage */ ) {
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priv->allocator = gst_object_ref (allocator);
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} else {
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priv->allocator = gst_allocator_find (GST_GL_MEMORY_PBO_ALLOCATOR_NAME);
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g_assert (priv->allocator);
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}
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priv->params = alloc_params;
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priv->im_format = GST_VIDEO_INFO_FORMAT (&info);
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if (priv->im_format == -1)
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goto unknown_format;
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gst_caps_replace (&priv->caps, caps);
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priv->info = info;
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priv->add_videometa = gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META);
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priv->add_glsyncmeta = gst_buffer_pool_config_has_option (config,
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@ -148,26 +141,33 @@ gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
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priv->want_eglimage = FALSE;
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}
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if (priv->gl_params)
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gst_gl_allocation_params_free ((GstGLAllocationParams *) priv->gl_params);
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priv->gl_params = (GstGLVideoAllocationParams *)
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gst_buffer_pool_config_get_gl_allocation_params (config);
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if (!priv->gl_params)
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priv->gl_params = gst_gl_video_allocation_params_new (glpool->context,
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&alloc_params, &info, -1, NULL, 0);
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max_align = alloc_params.align;
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
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priv->add_videometa = TRUE;
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gst_buffer_pool_config_get_video_alignment (config, &priv->valign);
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gst_buffer_pool_config_get_video_alignment (config,
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priv->gl_params->valign);
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for (n = 0; n < GST_VIDEO_MAX_PLANES; ++n)
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max_align |= priv->valign.stride_align[n];
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max_align |= priv->gl_params->valign->stride_align[n];
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for (n = 0; n < GST_VIDEO_MAX_PLANES; ++n)
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priv->valign.stride_align[n] = max_align;
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priv->gl_params->valign->stride_align[n] = max_align;
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gst_video_info_align (&priv->info, &priv->valign);
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gst_video_info_align (priv->gl_params->v_info, priv->gl_params->valign);
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gst_buffer_pool_config_set_video_alignment (config, &priv->valign);
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} else {
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gst_video_alignment_reset (&priv->valign);
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gst_buffer_pool_config_set_video_alignment (config,
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priv->gl_params->valign);
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}
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if (alloc_params.align < max_align) {
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@ -177,59 +177,63 @@ gst_gl_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
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alloc_params.align = max_align;
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gst_buffer_pool_config_set_allocator (config, allocator, &alloc_params);
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priv->params = alloc_params;
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if (priv->gl_params->parent.alloc_params)
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gst_allocation_params_free (priv->gl_params->parent.alloc_params);
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priv->gl_params->parent.alloc_params =
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gst_allocation_params_copy (&alloc_params);
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}
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priv->tex_target = 0;
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{
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GstStructure *s = gst_caps_get_structure (caps, 0);
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const gchar *target_str = gst_structure_get_string (s, "texture-target");
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gboolean multiple_texture_targets = FALSE;
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tex_target = priv->gl_params->target;
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if (target_str)
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priv->tex_target = gst_gl_texture_target_from_string (target_str);
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tex_target = gst_gl_texture_target_from_string (target_str);
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D)) {
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if (priv->tex_target && priv->tex_target != GST_GL_TEXTURE_TARGET_2D)
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if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_2D)
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multiple_texture_targets = TRUE;
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priv->tex_target = GST_GL_TEXTURE_TARGET_2D;
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tex_target = GST_GL_TEXTURE_TARGET_2D;
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}
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE)) {
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if (priv->tex_target
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&& priv->tex_target != GST_GL_TEXTURE_TARGET_RECTANGLE)
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if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_RECTANGLE)
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multiple_texture_targets = TRUE;
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priv->tex_target = GST_GL_TEXTURE_TARGET_RECTANGLE;
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tex_target = GST_GL_TEXTURE_TARGET_RECTANGLE;
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}
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES)) {
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if (priv->tex_target
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&& priv->tex_target != GST_GL_TEXTURE_TARGET_EXTERNAL_OES)
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if (tex_target && tex_target != GST_GL_TEXTURE_TARGET_EXTERNAL_OES)
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multiple_texture_targets = TRUE;
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priv->tex_target = GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
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tex_target = GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
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}
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if (!priv->tex_target)
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priv->tex_target = GST_GL_TEXTURE_TARGET_2D;
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if (!tex_target)
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tex_target = GST_GL_TEXTURE_TARGET_2D;
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if (multiple_texture_targets) {
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GST_WARNING_OBJECT (pool, "Multiple texture targets configured either "
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"through caps or buffer pool options");
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ret = FALSE;
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}
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priv->gl_params->target = tex_target;
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}
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/* Recalulate the size and offset as we don't add padding between planes. */
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priv->info.size = 0;
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for (p = 0; p < GST_VIDEO_INFO_N_PLANES (&priv->info); p++) {
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priv->info.offset[p] = priv->info.size;
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priv->info.size +=
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gst_gl_get_plane_data_size (&priv->info, &priv->valign, p);
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priv->gl_params->v_info->size = 0;
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for (p = 0; p < GST_VIDEO_INFO_N_PLANES (priv->gl_params->v_info); p++) {
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priv->gl_params->v_info->offset[p] = priv->gl_params->v_info->size;
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priv->gl_params->v_info->size +=
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gst_gl_get_plane_data_size (priv->gl_params->v_info,
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priv->gl_params->valign, p);
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}
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gst_buffer_pool_config_set_params (config, caps, priv->info.size,
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min_buffers, max_buffers);
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gst_buffer_pool_config_set_params (config, caps,
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priv->gl_params->v_info->size, min_buffers, max_buffers);
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return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config) && ret;
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@ -250,16 +254,6 @@ wrong_caps:
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"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
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return FALSE;
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}
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unknown_format:
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{
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GST_WARNING_OBJECT (glpool, "failed to get format from caps %"
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GST_PTR_FORMAT, caps);
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GST_ELEMENT_ERROR (glpool, RESOURCE, WRITE,
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("Failed to create output image buffer of %dx%d pixels",
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priv->info.width, priv->info.height),
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("Invalid input caps %" GST_PTR_FORMAT, caps));
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return FALSE;
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}
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}
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static gboolean
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@ -273,14 +267,13 @@ static GstFlowReturn
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gst_gl_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
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GstBufferPoolAcquireParams * params)
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{
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GstGLMemoryAllocator *alloc;
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GstGLBufferPool *glpool = GST_GL_BUFFER_POOL_CAST (pool);
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GstGLBufferPoolPrivate *priv = glpool->priv;
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GstVideoInfo *info;
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GstVideoAlignment *valign;
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GstBuffer *buf;
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info = &priv->info;
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valign = &priv->valign;
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info = priv->gl_params->v_info;
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if (!(buf = gst_buffer_new ())) {
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goto no_buffer;
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@ -298,8 +291,8 @@ gst_gl_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
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}
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#endif
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if (!gst_gl_memory_pbo_setup_buffer (glpool->context, priv->tex_target,
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&priv->params, info, valign, buf))
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alloc = GST_GL_MEMORY_ALLOCATOR (priv->allocator);
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if (!gst_gl_memory_setup_buffer (alloc, buf, priv->gl_params))
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goto mem_create_failed;
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if (priv->add_glsyncmeta)
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@ -429,14 +422,10 @@ gst_gl_buffer_pool_init (GstGLBufferPool * pool)
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priv->allocator = NULL;
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priv->caps = NULL;
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priv->im_format = GST_VIDEO_FORMAT_UNKNOWN;
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priv->add_videometa = TRUE;
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priv->add_glsyncmeta = FALSE;
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priv->want_eglimage = FALSE;
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priv->last_buffer = FALSE;
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gst_video_info_init (&priv->info);
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gst_allocation_params_init (&priv->params);
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}
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static void
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@ -464,4 +453,31 @@ gst_gl_buffer_pool_finalize (GObject * object)
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gst_object_unref (priv->allocator);
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priv->allocator = NULL;
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}
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if (priv->gl_params)
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gst_gl_allocation_params_free ((GstGLAllocationParams *) priv->gl_params);
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priv->gl_params = NULL;
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}
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GstGLAllocationParams *
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gst_buffer_pool_config_get_gl_allocation_params (GstStructure * config)
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{
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GstGLAllocationParams *ret;
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if (!gst_structure_get (config, "gl-allocation-params",
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GST_TYPE_GL_ALLOCATION_PARAMS, &ret, NULL))
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ret = NULL;
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return ret;
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}
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void
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gst_buffer_pool_config_set_gl_allocation_params (GstStructure * config,
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GstGLAllocationParams * params)
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{
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g_return_if_fail (config != NULL);
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g_return_if_fail (params != NULL);
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gst_structure_set (config, "gl-allocation-params",
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GST_TYPE_GL_ALLOCATION_PARAMS, params, NULL);
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}
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@ -64,6 +64,10 @@ GstBufferPool *gst_gl_buffer_pool_new (GstGLContext * context);
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void gst_gl_buffer_pool_replace_last_buffer (GstGLBufferPool * pool,
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GstBuffer * buffer);
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GstGLAllocationParams * gst_buffer_pool_config_get_gl_allocation_params (GstStructure * config);
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void gst_buffer_pool_config_set_gl_allocation_params (GstStructure * config,
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GstGLAllocationParams * params);
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G_END_DECLS
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#endif /* _GST_GL_BUFFER_POOL_H_ */
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