wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-10-12 02:07:33 +09:00
Code Issues Projects Releases Packages Wiki Activity

Import aom library

Browse source 
This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
989 changed files with 470949 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

114
third_party/aom/av1/encoder/lookahead.h vendored Normal file
View file

@ -0,0 +1,114 @@
/*
* 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 AV1_ENCODER_LOOKAHEAD_H_
#define 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,
#if CONFIG_HIGHBITDEPTH
int use_highbitdepth,
#endif
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,
#if CONFIG_HIGHBITDEPTH
int use_highbitdepth,
#endif
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 // AV1_ENCODER_LOOKAHEAD_H_