617     AVQSVFramesContext *src_hwctx = src_ctx->hwctx;  in qsv_frames_derive_from()  local
625             dst_hwctx->surface_ids = av_mallocz_array(src_hwctx->nb_surfaces,  in qsv_frames_derive_from()
629             for (i = 0; i < src_hwctx->nb_surfaces; i++)  in qsv_frames_derive_from()
631                     *(VASurfaceID*)src_hwctx->surfaces[i].Data.MemId;  in qsv_frames_derive_from()
632             dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;  in qsv_frames_derive_from()
640             dst_hwctx->surfaces = av_mallocz_array(src_hwctx->nb_surfaces,  in qsv_frames_derive_from()
644             for (i = 0; i < src_hwctx->nb_surfaces; i++)  in qsv_frames_derive_from()
646                     (IDirect3DSurface9*)src_hwctx->surfaces[i].Data.MemId;  in qsv_frames_derive_from()
647             dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;  in qsv_frames_derive_from()
648             if (src_hwctx->frame_type == MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)  in qsv_frames_derive_from()
985             AVVAAPIFramesContext *src_hwctx = src_ctx->hwctx;  in qsv_frames_derive_to()  local
986             s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,  in qsv_frames_derive_to()
990             for (i = 0; i < src_hwctx->nb_surfaces; i++) {  in qsv_frames_derive_to()
992                 s->surfaces_internal[i].Data.MemId = src_hwctx->surface_ids + i;  in qsv_frames_derive_to()
994             dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;  in qsv_frames_derive_to()
1002             AVDXVA2FramesContext *src_hwctx = src_ctx->hwctx;  in qsv_frames_derive_to()  local
1003             s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,  in qsv_frames_derive_to()
1007             for (i = 0; i < src_hwctx->nb_surfaces; i++) {  in qsv_frames_derive_to()
1009                 s->surfaces_internal[i].Data.MemId = (mfxMemId)src_hwctx->surfaces[i];  in qsv_frames_derive_to()
1011             dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;  in qsv_frames_derive_to()
1012             if (src_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget)  in qsv_frames_derive_to()