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Diffstat (limited to 'vp10/encoder/lookahead.h')
| -rw-r--r-- | vp10/encoder/lookahead.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/vp10/encoder/lookahead.h b/vp10/encoder/lookahead.h deleted file mode 100644 index 22429aeeb..000000000 --- a/vp10/encoder/lookahead.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 2011 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef VP10_ENCODER_LOOKAHEAD_H_ -#define VP10_ENCODER_LOOKAHEAD_H_ - -#include "vpx_scale/yv12config.h" -#include "vpx/vpx_integer.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define MAX_LAG_BUFFERS 25 - -struct lookahead_entry { - YV12_BUFFER_CONFIG img; - int64_t ts_start; - int64_t ts_end; - unsigned int flags; -}; - -// The max of past frames we want to keep in the queue. -#define MAX_PRE_FRAMES 1 - -struct lookahead_ctx { - unsigned int max_sz; /* Absolute size of the queue */ - unsigned int sz; /* Number of buffers currently in the queue */ - unsigned int read_idx; /* Read index */ - unsigned int write_idx; /* Write index */ - struct lookahead_entry *buf; /* Buffer list */ -}; - -/**\brief Initializes the lookahead stage - * - * The lookahead stage is a queue of frame buffers on which some analysis - * may be done when buffers are enqueued. - */ -struct lookahead_ctx *vp10_lookahead_init(unsigned int width, - unsigned int height, - unsigned int subsampling_x, - unsigned int subsampling_y, -#if CONFIG_VP9_HIGHBITDEPTH - int use_highbitdepth, -#endif - unsigned int depth); - - -/**\brief Destroys the lookahead stage - */ -void vp10_lookahead_destroy(struct lookahead_ctx *ctx); - - -/**\brief Enqueue a source buffer - * - * This function will copy the source image into a new framebuffer with - * the expected stride/border. - * - * If active_map is non-NULL and there is only one frame in the queue, then copy - * only active macroblocks. - * - * \param[in] ctx Pointer to the lookahead context - * \param[in] src Pointer to the image to enqueue - * \param[in] ts_start Timestamp for the start of this frame - * \param[in] ts_end Timestamp for the end of this frame - * \param[in] flags Flags set on this frame - * \param[in] active_map Map that specifies which macroblock is active - */ -int vp10_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG *src, - int64_t ts_start, int64_t ts_end, -#if CONFIG_VP9_HIGHBITDEPTH - int use_highbitdepth, -#endif - unsigned int flags); - - -/**\brief Get the next source buffer to encode - * - * - * \param[in] ctx Pointer to the lookahead context - * \param[in] drain Flag indicating the buffer should be drained - * (return a buffer regardless of the current queue depth) - * - * \retval NULL, if drain set and queue is empty - * \retval NULL, if drain not set and queue not of the configured depth - */ -struct lookahead_entry *vp10_lookahead_pop(struct lookahead_ctx *ctx, - int drain); - - -/**\brief Get a future source buffer to encode - * - * \param[in] ctx Pointer to the lookahead context - * \param[in] index Index of the frame to be returned, 0 == next frame - * - * \retval NULL, if no buffer exists at the specified index - */ -struct lookahead_entry *vp10_lookahead_peek(struct lookahead_ctx *ctx, - int index); - - -/**\brief Get the number of frames currently in the lookahead queue - * - * \param[in] ctx Pointer to the lookahead context - */ -unsigned int vp10_lookahead_depth(struct lookahead_ctx *ctx); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP10_ENCODER_LOOKAHEAD_H_ |