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vkbufferpool: add support for video encoded buffers

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Add support for non video raw  buffers to allocate memory
such as in encoded content scenario.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5645>
This commit is contained in:
Stéphane Cerveau 2023-11-21 12:47:38 +01:00 committed by Víctor Manuel Jáquez Leal
parent c6a5437e0d
commit 15b719d7f6
1 changed files with 35 additions and 24 deletions
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59
subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkbufferpool.c
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@ -110,12 +110,12 @@ gst_vulkan_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstVulkanBufferPool *vk_pool = GST_VULKAN_BUFFER_POOL_CAST (pool);
GstVulkanBufferPoolPrivate *priv = GET_PRIV (vk_pool);
guint min_buffers, max_buffers;
guint min_buffers, max_buffers, size;
GstCaps *caps = NULL;
gboolean ret = TRUE;
guint i;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, &min_buffers,
if (!gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
&max_buffers))
goto wrong_config;
@ -135,19 +135,24 @@ gst_vulkan_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
&priv->usage, &priv->mem_props);
/* get the size of the buffer to allocate */
priv->v_info.size = 0;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&priv->v_info); i++) {
priv->alloc_sizes[i] = GST_VIDEO_INFO_COMP_HEIGHT (&priv->v_info, i) *
GST_VIDEO_INFO_PLANE_STRIDE (&priv->v_info, i);
priv->v_info.offset[i] = priv->v_info.size;
priv->v_info.size += priv->alloc_sizes[i];
if (GST_VIDEO_INFO_FORMAT (&priv->v_info) != GST_VIDEO_FORMAT_ENCODED) {
priv->v_info.size = 0;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&priv->v_info); i++) {
priv->alloc_sizes[i] = GST_VIDEO_INFO_COMP_HEIGHT (&priv->v_info, i) *
GST_VIDEO_INFO_PLANE_STRIDE (&priv->v_info, i);
priv->v_info.offset[i] = priv->v_info.size;
priv->v_info.size += priv->alloc_sizes[i];
}
priv->add_videometa = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_set_params (config, caps,
priv->v_info.size, min_buffers, max_buffers);
} else {
priv->alloc_sizes[0] = size;
}
priv->add_videometa = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_set_params (config, caps,
priv->v_info.size, min_buffers, max_buffers);
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config) && ret;
/* ERRORS */
@ -176,32 +181,38 @@ gst_vulkan_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
{
GstVulkanBufferPool *vk_pool = GST_VULKAN_BUFFER_POOL_CAST (pool);
GstVulkanBufferPoolPrivate *priv = GET_PRIV (vk_pool);
GstMemory *mem;
GstBuffer *buf;
guint i;
guint i, num_planes;
if (!(buf = gst_buffer_new ())) {
goto no_buffer;
}
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&priv->v_info); i++) {
GstMemory *mem;
if (GST_VIDEO_INFO_FORMAT (&priv->v_info) != GST_VIDEO_FORMAT_ENCODED)
num_planes = GST_VIDEO_INFO_N_PLANES (&priv->v_info);
else
num_planes = 1;
mem = gst_vulkan_buffer_memory_alloc (vk_pool->device, priv->alloc_sizes[i],
for (i = 0; i < num_planes; i++) {
mem =
gst_vulkan_buffer_memory_alloc (vk_pool->device, priv->alloc_sizes[i],
priv->usage, priv->mem_props);
if (!mem) {
gst_buffer_unref (buf);
goto mem_create_failed;
}
gst_buffer_append_memory (buf, mem);
}
gst_buffer_add_video_meta_full (buf, 0,
GST_VIDEO_INFO_FORMAT (&priv->v_info),
GST_VIDEO_INFO_WIDTH (&priv->v_info),
GST_VIDEO_INFO_HEIGHT (&priv->v_info),
GST_VIDEO_INFO_N_PLANES (&priv->v_info), priv->v_info.offset,
priv->v_info.stride);
if (GST_VIDEO_INFO_FORMAT (&priv->v_info) != GST_VIDEO_FORMAT_ENCODED) {
gst_buffer_add_video_meta_full (buf, 0,
GST_VIDEO_INFO_FORMAT (&priv->v_info),
GST_VIDEO_INFO_WIDTH (&priv->v_info),
GST_VIDEO_INFO_HEIGHT (&priv->v_info),
GST_VIDEO_INFO_N_PLANES (&priv->v_info), priv->v_info.offset,
priv->v_info.stride);
}
*buffer = buf;