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msdkdec: Add a function to create va pool

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Add a pool creation function name as 2 for later use which will create
va pool for video memory in linux and keep system pool for windows.
This gst_msdkdec_create_buffer_pool2 will replace gst_msdkdec_create_buffer_pool
when all the memory allocation modifications are ready in the commits after.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3439>
This commit is contained in:
Mengkejiergeli Ba 2022-08-23 11:25:15 +08:00 committed by Haihao Xiang
parent 8459349963
commit 75efb204e5
2 changed files with 107 additions and 6 deletions
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111
subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
View file

@ -582,6 +582,7 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
#endif
gst_msdk_frame_alloc (thiz->context, &request, &thiz->alloc_resp);
thiz->alloc_pool = gst_msdk_context_get_alloc_pool (thiz->context);
}
/* update the prealloc_buffer count, which will be used later
@ -1009,12 +1010,7 @@ gst_msdkdec_finish_task (GstMsdkDec * thiz, MsdkDecTask * task)
GST_MINI_OBJECT_FLAG_SET (surface->buf, GST_MINI_OBJECT_FLAG_LOCKABLE);
frame->output_buffer = gst_buffer_ref (surface->buf);
} else {
if (!gst_video_frame_copy (&surface->copy, &surface->data)) {
GST_ERROR_OBJECT (thiz, "Failed to copy surface data");
gst_video_frame_unmap (&surface->copy);
gst_video_frame_unmap (&surface->data);
return GST_FLOW_ERROR;
}
gst_video_frame_copy (&surface->copy, &surface->data);
frame->output_buffer = gst_buffer_ref (surface->copy.buffer);
unmap_frame (thiz, surface);
}
@ -1800,6 +1796,105 @@ error_pool_config:
}
}
#ifndef _WIN32
static GstBufferPool *
gst_msdk_create_va_pool (GstMsdkDec * thiz, GstVideoInfo * info,
guint num_buffers)
{
GstBufferPool *pool = NULL;
GstAllocator *allocator;
GArray *formats = NULL;
GstAllocationParams alloc_params = { 0, 31, 0, 0 };
GstVaDisplay *display = NULL;
GstCaps *caps = NULL;
display = (GstVaDisplay *) gst_msdk_context_get_va_display (thiz->context);
if (thiz->use_dmabuf)
allocator = gst_va_dmabuf_allocator_new (display);
else {
formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
g_array_append_val (formats, GST_VIDEO_INFO_FORMAT (info));
allocator = gst_va_allocator_new (display, formats);
}
if (!allocator) {
GST_ERROR_OBJECT (thiz, "Failed to create allocator");
if (formats)
g_array_unref (formats);
return NULL;
}
caps = gst_video_info_to_caps (info);
pool =
gst_va_pool_new_with_config (caps,
GST_VIDEO_INFO_SIZE (info), num_buffers, num_buffers,
VA_SURFACE_ATTRIB_USAGE_HINT_DECODER, GST_VA_FEATURE_AUTO,
allocator, &alloc_params);
gst_object_unref (allocator);
gst_caps_unref (caps);
GST_LOG_OBJECT (thiz, "Creating va pool");
return pool;
}
#endif
static GstBufferPool *
gst_msdkdec_create_buffer_pool2 (GstMsdkDec * thiz, GstVideoInfo * info,
guint num_buffers)
{
GstBufferPool *pool = NULL;
GstStructure *config;
GstCaps *caps;
GstVideoAlignment align;
GstVideoInfo vinfo = *info;
gst_msdk_set_video_alignment (&vinfo, 0, 0, &align);
gst_video_info_align (&vinfo, &align);
if (thiz->do_copy)
pool = gst_video_buffer_pool_new ();
else {
#ifndef _WIN32
pool = gst_msdk_create_va_pool (thiz, &vinfo, num_buffers);
#else
if (!thiz->use_video_memory)
pool = gst_video_buffer_pool_new ();
else
GST_ERROR_OBJECT (thiz, "D3D11 video memory pool not implemented");
#endif
}
if (!pool)
goto error_no_pool;
caps = gst_video_info_to_caps (&vinfo);
config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
gst_buffer_pool_config_set_params (config, caps,
GST_VIDEO_INFO_SIZE (&vinfo), num_buffers, 0);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &align);
if (!gst_buffer_pool_set_config (pool, config))
goto error_pool_config;
return pool;
error_no_pool:
{
GST_INFO_OBJECT (thiz, "Failed to create bufferpool");
return NULL;
}
error_pool_config:
{
GST_INFO_OBJECT (thiz, "Failed to set config");
gst_object_unref (pool);
return NULL;
}
}
static gboolean
gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
@ -1927,6 +2022,10 @@ gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
GST_VIDEO_INFO_WIDTH (&output_state->info);
GST_VIDEO_INFO_HEIGHT (&thiz->non_msdk_pool_info) =
GST_VIDEO_INFO_HEIGHT (&output_state->info);
/* When downstream allocator is unknown and negotiaed caps is raw,
* we need to create other pool with system memory for copy use
*/
gst_video_codec_state_unref (output_state);
}

2
subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.h
View file

@ -70,11 +70,13 @@ struct _GstMsdkDec
/* aligned msdk pool info */
GstBufferPool *pool;
GstBufferPool *alloc_pool;
GstBufferPool *other_pool;
/* downstream pool info based on allocation query */
GstVideoInfo non_msdk_pool_info;
mfxFrameAllocResponse alloc_resp;
gboolean use_video_memory;
gboolean use_dmabuf;
gboolean do_copy;
gboolean initialized;
gboolean sfc;
gboolean ds_has_no_msdk_allocator;