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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2020-04-14 13:26:42 +0200 |
commit | 277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch) | |
tree | 4595f7cc71418f71b9a97dfaeb03a30aa60f336a /third_party/aom/av1/encoder/lookahead.h | |
parent | d270404436f6e84ffa3b92af537ac721bf10d66e (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/av1/encoder/lookahead.h')
-rw-r--r-- | third_party/aom/av1/encoder/lookahead.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/third_party/aom/av1/encoder/lookahead.h b/third_party/aom/av1/encoder/lookahead.h deleted file mode 100644 index e55224cf7..000000000 --- a/third_party/aom/av1/encoder/lookahead.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#ifndef AOM_AV1_ENCODER_LOOKAHEAD_H_ -#define AOM_AV1_ENCODER_LOOKAHEAD_H_ - -#include "aom_scale/yv12config.h" -#include "aom/aom_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; - aom_enc_frame_flags_t flags; -}; - -// The max of past frames we want to keep in the queue. -#define MAX_PRE_FRAMES 1 - -struct lookahead_ctx { - int max_sz; /* Absolute size of the queue */ - int sz; /* Number of buffers currently in the queue */ - int read_idx; /* Read index */ - 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 *av1_lookahead_init( - unsigned int width, unsigned int height, unsigned int subsampling_x, - unsigned int subsampling_y, int use_highbitdepth, unsigned int depth); - -/**\brief Destroys the lookahead stage - */ -void av1_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 av1_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG *src, - int64_t ts_start, int64_t ts_end, int use_highbitdepth, - aom_enc_frame_flags_t 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 *av1_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 *av1_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 av1_lookahead_depth(struct lookahead_ctx *ctx); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // AOM_AV1_ENCODER_LOOKAHEAD_H_ |