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msdkallocator_libva: Rewrite gst_msdk_frame_alloc
Rewrite gst_msdk_frame_alloc and name it as xxx_2 before applying it. It uses negotiated bufferpool stored in GstMsdkContext to allocate buffers in the callback MfxFrameAllocator:Alloc, then extract VASurface from buffer, wrap it as mfxMemIDs and pass these IDs to MediaSDK/oneVPL. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3439>
This commit is contained in:
Mengkejiergeli Ba
Haihao Xiang
parent
4124b8ffd4
commit
8459349963
1 changed files with 178 additions and 0 deletions
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@ -257,6 +257,184 @@ gst_msdk_frame_alloc (mfxHDL pthis, mfxFrameAllocRequest * req,
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return status;
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}
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mfxStatus
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gst_msdk_frame_alloc_2 (mfxHDL pthis, mfxFrameAllocRequest * req,
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mfxFrameAllocResponse * resp)
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{
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mfxStatus status = MFX_ERR_NONE;
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gint i;
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GstMsdkSurface *msdk_surface = NULL;
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mfxMemId *mids = NULL;
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GstMsdkContext *context = (GstMsdkContext *) pthis;
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GstMsdkAllocResponse *msdk_resp = NULL;
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mfxU32 fourcc = req->Info.FourCC;
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mfxU16 surfaces_num = req->NumFrameSuggested;
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GList *tmp_list = NULL;
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GList *l;
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GstMsdkSurface *tmp_surface = NULL;
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VAStatus va_status;
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/* MFX_MAKEFOURCC('V','P','8','S') is used for MFX_FOURCC_VP9_SEGMAP surface
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* in MSDK and this surface is an internal surface. The external allocator
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* shouldn't be used for this surface allocation
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*
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* See https://github.com/Intel-Media-SDK/MediaSDK/issues/762
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*/
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if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME
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&& fourcc == MFX_MAKEFOURCC ('V', 'P', '8', 'S'))
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return MFX_ERR_UNSUPPORTED;
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if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
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GstMsdkAllocResponse *cached =
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gst_msdk_context_get_cached_alloc_responses_by_request (context, req);
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if (cached) {
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/* check if enough frames were allocated */
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if (req->NumFrameSuggested > cached->response.NumFrameActual)
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return MFX_ERR_MEMORY_ALLOC;
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*resp = cached->response;
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g_atomic_int_inc (&cached->refcount);
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return MFX_ERR_NONE;
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}
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}
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/* The VA API does not define any surface types and the application can use either
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* MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET or
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* MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET to indicate data in video memory.
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*/
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if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
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MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)))
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return MFX_ERR_UNSUPPORTED;
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mids = (mfxMemId *) g_slice_alloc0 (surfaces_num * sizeof (mfxMemId));
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msdk_resp = g_slice_new0 (GstMsdkAllocResponse);
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if (fourcc != MFX_FOURCC_P8) {
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GstBufferPool *pool;
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GstVideoFormat format;
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GstStructure *config;
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GstVideoInfo info;
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GstCaps *caps;
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GstVideoAlignment align;
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format = gst_msdk_get_video_format_from_mfx_fourcc (fourcc);
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gst_video_info_set_format (&info, format, req->Info.CropW, req->Info.CropH);
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gst_video_alignment_reset (&align);
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gst_msdk_set_video_alignment
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(&info, req->Info.Width, req->Info.Height, &align);
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gst_video_info_align (&info, &align);
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caps = gst_video_info_to_caps (&info);
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pool = gst_msdk_context_get_alloc_pool (context);
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if (!pool) {
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goto error_alloc;
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}
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config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
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gst_buffer_pool_config_set_params (config, caps,
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GST_VIDEO_INFO_SIZE (&info), surfaces_num, surfaces_num);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
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gst_buffer_pool_config_set_va_alignment (config, &align);
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if (!gst_buffer_pool_set_config (pool, config)) {
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GST_ERROR ("Failed to set pool config");
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gst_object_unref (pool);
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goto error_alloc;
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}
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if (!gst_buffer_pool_set_active (pool, TRUE)) {
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GST_ERROR ("Failed to activate pool");
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gst_object_unref (pool);
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goto error_alloc;
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}
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for (i = 0; i < surfaces_num; i++) {
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GstBuffer *buf;
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if (gst_buffer_pool_acquire_buffer (pool, &buf, NULL) != GST_FLOW_OK) {
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GST_ERROR ("Failed to allocate buffer");
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gst_buffer_pool_set_active (pool, FALSE);
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gst_object_unref (pool);
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goto error_alloc;
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}
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msdk_surface = gst_msdk_import_to_msdk_surface (buf, context, &info, 0);
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if (!msdk_surface) {
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GST_ERROR ("Failed to get GstMsdkSurface");
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gst_buffer_pool_set_active (pool, FALSE);
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gst_object_unref (pool);
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goto error_alloc;
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}
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msdk_surface->buf = buf;
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mids[i] = msdk_surface->surface->Data.MemId;
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tmp_list = g_list_prepend (tmp_list, msdk_surface);
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}
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} else {
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/* This path is to handle a special case when requesting MFX_FOURCC_P208, We keep
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* this to avoid failure when building gst-msdk plugins using old version of MediaSDK.
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* These buffers will be used inside the driver and released by
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* gst_msdk_frame_free functions. Application doesn't need to handle these buffers.
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* See https://github.com/Intel-Media-SDK/samples/issues/13 for more details.
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*/
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VAContextID context_id = req->AllocId;
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gint width32 = 32 * ((req->Info.Width + 31) >> 5);
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gint height32 = 32 * ((req->Info.Height + 31) >> 5);
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guint64 codedbuf_size = (width32 * height32) * 400LL / (16 * 16);
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for (i = 0; i < surfaces_num; i++) {
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VABufferID coded_buf;
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GstMsdkMemoryID msdk_mid;
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va_status = vaCreateBuffer (gst_msdk_context_get_handle (context),
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context_id, VAEncCodedBufferType, codedbuf_size, 1, NULL, &coded_buf);
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status = gst_msdk_get_mfx_status_from_va_status (va_status);
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if (status < MFX_ERR_NONE) {
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GST_ERROR ("failed to create buffer");
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return status;
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}
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msdk_mid.surface = coded_buf;
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msdk_mid.fourcc = fourcc;
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/* Don't use image for P208 */
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msdk_mid.image.image_id = VA_INVALID_ID;
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msdk_mid.image.buf = VA_INVALID_ID;
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mids[i] = (mfxMemId *) & msdk_mid;
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}
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}
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resp->mids = mids;
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resp->NumFrameActual = surfaces_num;
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msdk_resp->response = *resp;
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msdk_resp->request = *req;
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msdk_resp->refcount = 1;
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gst_msdk_context_add_alloc_response (context, msdk_resp);
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/* We need to put all the buffers back to the pool */
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for (l = tmp_list; l; l = l->next) {
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tmp_surface = (GstMsdkSurface *) l->data;
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gst_buffer_unref (tmp_surface->buf);
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}
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return status;
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error_alloc:
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g_slice_free1 (surfaces_num * sizeof (mfxMemId), mids);
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g_slice_free (GstMsdkAllocResponse, msdk_resp);
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return MFX_ERR_MEMORY_ALLOC;
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}
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mfxStatus
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gst_msdk_frame_free (mfxHDL pthis, mfxFrameAllocResponse * resp)
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{
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