Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 197 insertions, 0 deletions

diff --git a/third_party/aom/av1/encoder/thirdpass.h b/third_party/aom/av1/encoder/thirdpass.h
new file mode 100644
index 0000000000..8080c06cb6
--- /dev/null
+++ b/third_party/aom/av1/encoder/thirdpass.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2021, 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_THIRDPASS_H_
+#define AOM_AV1_ENCODER_THIRDPASS_H_
+
+#include "av1/common/enums.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "av1/encoder/firstpass.h"
+#include "av1/encoder/ratectrl.h"
+#include "av1/encoder/tpl_model.h"
+
+struct AV1_COMP;
+
+// TODO(bohanli): optimize this number
+#define MAX_THIRD_PASS_BUF \
+  (AOMMAX((2 * MAX_GF_INTERVAL + 1), MAX_STATIC_GF_GROUP_LENGTH))
+
+// Struct to store useful information related to a GOP, in addition to what is
+// available in the bitstream
+typedef struct {
+  int gf_length;
+  int num_frames;
+  int use_arf;
+} THIRD_PASS_GOP_INFO;
+
+#if CONFIG_BITRATE_ACCURACY
+typedef struct TPL_INFO {
+  int gf_length;
+  int tpl_ready;
+  TplTxfmStats txfm_stats_list[MAX_LENGTH_TPL_FRAME_STATS];
+  double qstep_ratio_ls[MAX_LENGTH_TPL_FRAME_STATS];
+  FRAME_UPDATE_TYPE update_type_list[MAX_LENGTH_TPL_FRAME_STATS];
+} TPL_INFO;
+#endif  // CONFIG_BITRATE_ACCURACY
+
+typedef struct {
+  BLOCK_SIZE bsize;
+  PARTITION_TYPE partition;
+  int mi_row_start;
+  int mi_col_start;
+  int_mv mv[2];
+  MV_REFERENCE_FRAME ref_frame[2];
+  PREDICTION_MODE pred_mode;
+} THIRD_PASS_MI_INFO;
+
+// Struct to store useful information about a frame for the third pass.
+// The members are extracted from the decoder by function get_frame_info.
+typedef struct {
+  int width;
+  int height;
+  int mi_stride;
+  int mi_rows;
+  int mi_cols;
+  int base_q_idx;
+  int is_show_existing_frame;
+  int is_show_frame;
+  int bits_allocated;
+  int actual_bits;
+  uint64_t sse;
+  double bpm_factor;
+  FRAME_TYPE frame_type;
+  unsigned int order_hint;
+  THIRD_PASS_MI_INFO *mi_info;
+} THIRD_PASS_FRAME_INFO;
+
+typedef struct {
+  /* --- Input and decoding related members --- */
+  // the input file
+  const char *input_file_name;
+#if CONFIG_THREE_PASS
+  // input context
+  struct AvxInputContext *input_ctx;
+#endif
+  // decoder codec context
+  aom_codec_ctx_t decoder;
+  // start of the frame in buf
+  const unsigned char *frame;
+  // end of the frame(s) in buf
+  const unsigned char *end_frame;
+  // whether we still have following frames in buf
+  int have_frame;
+  // pointer to buffer for the read frames
+  uint8_t *buf;
+  // size of data in buffer
+  size_t bytes_in_buffer;
+  // current buffer size
+  size_t buffer_size;
+  // error info pointer
+  struct aom_internal_error_info *err_info;
+
+  int this_frame_bits;
+
+  /* --- Members for third pass encoding --- */
+  // Array to store info about each frame.
+  // frame_info[0] should point to the current frame.
+  THIRD_PASS_FRAME_INFO frame_info[MAX_THIRD_PASS_BUF];
+  // number of frames available in frame_info
+  int frame_info_count;
+  // the end of the previous GOP (order hint)
+  int prev_gop_end;
+  THIRD_PASS_GOP_INFO gop_info;
+} THIRD_PASS_DEC_CTX;
+
+void av1_init_thirdpass_ctx(AV1_COMMON *cm, THIRD_PASS_DEC_CTX **ctx,
+                            const char *file);
+void av1_free_thirdpass_ctx(THIRD_PASS_DEC_CTX *ctx);
+
+// Set the GOP structure from the twopass bitstream.
+// TODO(bohanli): this is currently a skeleton and we only return the gop
+// length. This function also saves all frame information in the array
+// ctx->frame_info for this GOP.
+void av1_set_gop_third_pass(THIRD_PASS_DEC_CTX *ctx);
+
+// Pop one frame out of the array ctx->frame_info. This function is used to make
+// sure that frame_info[0] always corresponds to the current frame.
+void av1_pop_third_pass_info(THIRD_PASS_DEC_CTX *ctx);
+
+void av1_open_second_pass_log(struct AV1_COMP *cpi, int is_read);
+void av1_close_second_pass_log(struct AV1_COMP *cpi);
+
+// Write the current GOP information into the second pass log file.
+void av1_write_second_pass_gop_info(struct AV1_COMP *cpi);
+// Write the information of the frames in this GOP into the second pass log
+// file.
+void av1_write_second_pass_per_frame_info(struct AV1_COMP *cpi, int gf_index);
+
+// Read the next GOP information from the second pass log file.
+void av1_read_second_pass_gop_info(FILE *second_pass_log_stream,
+                                   THIRD_PASS_GOP_INFO *gop_info,
+                                   struct aom_internal_error_info *error);
+// read the information of the frames in next GOP from the second pass log file.
+void av1_read_second_pass_per_frame_info(FILE *second_pass_log_stream,
+                                         THIRD_PASS_FRAME_INFO *frame_info_arr,
+                                         int frame_info_count,
+                                         struct aom_internal_error_info *error);
+
+int av1_check_use_arf(THIRD_PASS_DEC_CTX *ctx);
+
+// Calculate the ratio of third pass frame dimensions over second pass frame
+// dimensions. Return them in ratio_h and ratio_w.
+void av1_get_third_pass_ratio(THIRD_PASS_DEC_CTX *ctx, int fidx, int fheight,
+                              int fwidth, double *ratio_h, double *ratio_w);
+
+// Get the pointer to a second pass mi info, where mi_row and mi_col are the mi
+// location in the thirdpass frame.
+THIRD_PASS_MI_INFO *av1_get_third_pass_mi(THIRD_PASS_DEC_CTX *ctx, int fidx,
+                                          int mi_row, int mi_col,
+                                          double ratio_h, double ratio_w);
+
+// Get the adjusted MVs of this_mi, associated with the reference frame. If no
+// MV is found with the reference frame, INVALID_MV is returned.
+int_mv av1_get_third_pass_adjusted_mv(THIRD_PASS_MI_INFO *this_mi,
+                                      double ratio_h, double ratio_w,
+                                      MV_REFERENCE_FRAME frame);
+
+// Get the adjusted block size of this_mi.
+BLOCK_SIZE av1_get_third_pass_adjusted_blk_size(THIRD_PASS_MI_INFO *this_mi,
+                                                double ratio_h, double ratio_w);
+
+// Get the adjusted mi position in the third pass frame, of a given
+// third_pass_mi. Location is returned in mi_row and mi_col.
+void av1_third_pass_get_adjusted_mi(THIRD_PASS_MI_INFO *third_pass_mi,
+                                    double ratio_h, double ratio_w, int *mi_row,
+                                    int *mi_col);
+
+PARTITION_TYPE av1_third_pass_get_sb_part_type(THIRD_PASS_DEC_CTX *ctx,
+                                               THIRD_PASS_MI_INFO *this_mi);
+
+#if CONFIG_BITRATE_ACCURACY
+
+void av1_pack_tpl_info(TPL_INFO *tpl_info, const GF_GROUP *gf_group,
+                       const TplParams *tpl_data);
+
+void av1_write_tpl_info(const TPL_INFO *tpl_info, FILE *log_stream,
+                        struct aom_internal_error_info *error);
+
+void av1_read_tpl_info(TPL_INFO *tpl_info, FILE *log_stream,
+                       struct aom_internal_error_info *error);
+
+#endif  // CONFIG_BITRATE_ACCURACY
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AV1_ENCODER_THIRDPASS_H_