74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_DECODER_VP9_DTHREAD_H_
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#define VP9_DECODER_VP9_DTHREAD_H_
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#include "./vpx_config.h"
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#include "vpx_util/vpx_thread.h"
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#include "vpx/internal/vpx_codec_internal.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct VP9Common;
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struct VP9Decoder;
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// WorkerData for the FrameWorker thread. It contains all the information of
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// the worker and decode structures for decoding a frame.
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typedef struct FrameWorkerData {
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struct VP9Decoder *pbi;
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const uint8_t *data;
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const uint8_t *data_end;
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size_t data_size;
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void *user_priv;
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int result;
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int worker_id;
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int received_frame;
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// scratch_buffer is used in frame parallel mode only.
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// It is used to make a copy of the compressed data.
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uint8_t *scratch_buffer;
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size_t scratch_buffer_size;
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#if CONFIG_MULTITHREAD
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pthread_mutex_t stats_mutex;
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pthread_cond_t stats_cond;
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#endif
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int frame_context_ready; // Current frame's context is ready to read.
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int frame_decoded; // Finished decoding current frame.
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} FrameWorkerData;
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void vp9_frameworker_lock_stats(VPxWorker *const worker);
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void vp9_frameworker_unlock_stats(VPxWorker *const worker);
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void vp9_frameworker_signal_stats(VPxWorker *const worker);
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// Wait until ref_buf has been decoded to row in real pixel unit.
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// Note: worker may already finish decoding ref_buf and release it in order to
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// start decoding next frame. So need to check whether worker is still decoding
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// ref_buf.
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void vp9_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf,
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int row);
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// FrameWorker broadcasts its decoding progress so other workers that are
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// waiting on it can resume decoding.
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void vp9_frameworker_broadcast(RefCntBuffer *const buf, int row);
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// Copy necessary decoding context from src worker to dst worker.
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void vp9_frameworker_copy_context(VPxWorker *const dst_worker,
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VPxWorker *const src_worker);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_DECODER_VP9_DTHREAD_H_
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