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69455e8208
Cc: mesa-stable Reviewed-by: Ruijing Dong <ruijing.dong@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34807>
33 lines
786 B
C
33 lines
786 B
C
/**************************************************************************
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*
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* Copyright 2025 Advanced Micro Devices, Inc.
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*
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* SPDX-License-Identifier: MIT
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*
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**************************************************************************/
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#include <stdint.h>
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#include "ac_uvd_dec.h"
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#include "util/os_time.h"
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#include "util/detect_os.h"
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#include "util/bitpack_helpers.h"
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#if DETECT_OS_POSIX
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#include <unistd.h>
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#endif
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void ac_uvd_init_stream_handle(struct ac_uvd_stream_handle *handle)
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{
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#if DETECT_OS_POSIX
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handle->base = util_bitreverse(getpid() ^ os_time_get());
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#else
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handle->base = util_bitreverse(os_time_get());
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#endif
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handle->counter = 0;
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}
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unsigned ac_uvd_alloc_stream_handle(struct ac_uvd_stream_handle *handle)
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{
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return handle->base ^ ++handle->counter;
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}
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