The Tor Browser: media/libvpx/vp9/vp9_cx_iface.c@6474c204b198 (annotated)

media/libvpx/vp9/vp9_cx_iface.c@6474c204b198 (annotated)

media/libvpx/vp9/vp9_cx_iface.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  *  Copyright (c) 2010 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.
  */
 #include <stdlib.h>
 #include <string.h>
 #include "vpx/vpx_codec.h"
 #include "vpx/internal/vpx_codec_internal.h"
 #include "./vpx_version.h"
 #include "vp9/encoder/vp9_onyx_int.h"
 #include "vpx/vp8cx.h"
 #include "vp9/encoder/vp9_firstpass.h"
 #include "vp9/common/vp9_onyx.h"
 #include "vp9/vp9_iface_common.h"
 struct vp9_extracfg {
   struct vpx_codec_pkt_list *pkt_list;
   int                         cpu_used;  /* available cpu percentage in 1/16 */
   unsigned int                enable_auto_alt_ref;
   unsigned int                noise_sensitivity;
   unsigned int                Sharpness;
   unsigned int                static_thresh;
   unsigned int                tile_columns;
   unsigned int                tile_rows;
   unsigned int                arnr_max_frames;
   unsigned int                arnr_strength;
   unsigned int                arnr_type;
   unsigned int                experimental;
   vp8e_tuning                 tuning;
   unsigned int                cq_level;         /* constrained quality level */
   unsigned int                rc_max_intra_bitrate_pct;
   unsigned int                lossless;
   unsigned int                frame_parallel_decoding_mode;
   unsigned int                aq_mode;
 };
 struct extraconfig_map {
   int                 usage;
   struct vp9_extracfg cfg;
 };
 static const struct extraconfig_map extracfg_map[] = {
   {
 ,
     { // NOLINT
       NULL,
 ,                          /* cpu_used      */
 ,                          /* enable_auto_alt_ref */
 ,                          /* noise_sensitivity */
 ,                          /* Sharpness */
 ,                          /* static_thresh */
 ,                          /* tile_columns */
 ,                          /* tile_rows */
 ,                          /* arnr_max_frames */
 ,                          /* arnr_strength */
 ,                          /* arnr_type*/
 ,                          /* experimental mode */
 ,                          /* tuning*/
 ,                         /* cq_level */
 ,                          /* rc_max_intra_bitrate_pct */
 ,                          /* lossless */
 ,                          /* frame_parallel_decoding_mode */
 ,                          /* aq_mode */
     }
   }
 };
 struct vpx_codec_alg_priv {
   vpx_codec_priv_t        base;
   vpx_codec_enc_cfg_t     cfg;
   struct vp9_extracfg     vp8_cfg;
   VP9_CONFIG              oxcf;
   VP9_PTR             cpi;
   unsigned char          *cx_data;
   unsigned int            cx_data_sz;
   unsigned char          *pending_cx_data;
   unsigned int            pending_cx_data_sz;
   int                     pending_frame_count;
   uint32_t                pending_frame_sizes[8];
   uint32_t                pending_frame_magnitude;
   vpx_image_t             preview_img;
   vp8_postproc_cfg_t      preview_ppcfg;
   vpx_codec_pkt_list_decl(64) pkt_list;
   unsigned int                fixed_kf_cntr;
 };
 static VP9_REFFRAME ref_frame_to_vp9_reframe(vpx_ref_frame_type_t frame) {
   switch (frame) {
     case VP8_LAST_FRAME:
       return VP9_LAST_FLAG;
     case VP8_GOLD_FRAME:
       return VP9_GOLD_FLAG;
     case VP8_ALTR_FRAME:
       return VP9_ALT_FLAG;
   }
   assert(!"Invalid Reference Frame");
   return VP9_LAST_FLAG;
 }
 static vpx_codec_err_t
 update_error_state(vpx_codec_alg_priv_t                 *ctx,
                    const struct vpx_internal_error_info *error) {
   vpx_codec_err_t res;
   if ((res = error->error_code))
     ctx->base.err_detail = error->has_detail
                            ? error->detail
                            : NULL;
   return res;
 }
 #undef ERROR
 #define ERROR(str) do {\
     ctx->base.err_detail = str;\
     return VPX_CODEC_INVALID_PARAM;\
   } while (0)
 #define RANGE_CHECK(p, memb, lo, hi) do {\
     if (!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
       ERROR(#memb " out of range ["#lo".."#hi"]");\
   } while (0)
 #define RANGE_CHECK_HI(p, memb, hi) do {\
     if (!((p)->memb <= (hi))) \
       ERROR(#memb " out of range [.."#hi"]");\
   } while (0)
 #define RANGE_CHECK_LO(p, memb, lo) do {\
     if (!((p)->memb >= (lo))) \
       ERROR(#memb " out of range ["#lo"..]");\
   } while (0)
 #define RANGE_CHECK_BOOL(p, memb) do {\
     if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
   } while (0)
 static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t      *ctx,
                                        const vpx_codec_enc_cfg_t *cfg,
                                        const struct vp9_extracfg *vp8_cfg) {
   RANGE_CHECK(cfg, g_w,                   1, 65535); /* 16 bits available */
   RANGE_CHECK(cfg, g_h,                   1, 65535); /* 16 bits available */
   RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
   RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
   RANGE_CHECK_HI(cfg, g_profile,          3);
   RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
   RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
   RANGE_CHECK_BOOL(vp8_cfg, lossless);
   if (vp8_cfg->lossless) {
     RANGE_CHECK_HI(cfg, rc_max_quantizer, 0);
     RANGE_CHECK_HI(cfg, rc_min_quantizer, 0);
   }
   RANGE_CHECK(vp8_cfg, aq_mode,           0, AQ_MODES_COUNT - 1);
   RANGE_CHECK_HI(cfg, g_threads,          64);
   RANGE_CHECK_HI(cfg, g_lag_in_frames,    MAX_LAG_BUFFERS);
   RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
   RANGE_CHECK_HI(cfg, rc_undershoot_pct,  1000);
   RANGE_CHECK_HI(cfg, rc_overshoot_pct,   1000);
   RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
   RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
   // RANGE_CHECK_BOOL(cfg,                 g_delete_firstpassfile);
   RANGE_CHECK_BOOL(cfg,                   rc_resize_allowed);
   RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
   RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
   RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
   RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
   RANGE_CHECK(cfg, ss_number_layers,      1,
               VPX_SS_MAX_LAYERS); /*Spatial layers max */
   /* VP8 does not support a lower bound on the keyframe interval in
    * automatic keyframe placement mode.
    */
   if (cfg->kf_mode != VPX_KF_DISABLED && cfg->kf_min_dist != cfg->kf_max_dist
       && cfg->kf_min_dist > 0)
     ERROR("kf_min_dist not supported in auto mode, use 0 "
           "or kf_max_dist instead.");
   RANGE_CHECK_BOOL(vp8_cfg,               enable_auto_alt_ref);
   RANGE_CHECK(vp8_cfg, cpu_used,           -16, 16);
   RANGE_CHECK_HI(vp8_cfg, noise_sensitivity,  6);
   RANGE_CHECK(vp8_cfg, tile_columns, 0, 6);
   RANGE_CHECK(vp8_cfg, tile_rows, 0, 2);
   RANGE_CHECK_HI(vp8_cfg, Sharpness,       7);
   RANGE_CHECK(vp8_cfg, arnr_max_frames, 0, 15);
   RANGE_CHECK_HI(vp8_cfg, arnr_strength,   6);
   RANGE_CHECK(vp8_cfg, arnr_type,       1, 3);
   RANGE_CHECK(vp8_cfg, cq_level, 0, 63);
   if (cfg->g_pass == VPX_RC_LAST_PASS) {
     size_t           packet_sz = sizeof(FIRSTPASS_STATS);
     int              n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
     FIRSTPASS_STATS *stats;
     if (!cfg->rc_twopass_stats_in.buf)
       ERROR("rc_twopass_stats_in.buf not set.");
     if (cfg->rc_twopass_stats_in.sz % packet_sz)
       ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
     if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
       ERROR("rc_twopass_stats_in requires at least two packets.");
     stats = (void *)((char *)cfg->rc_twopass_stats_in.buf
                      + (n_packets - 1) * packet_sz);
     if ((int)(stats->count + 0.5) != n_packets - 1)
       ERROR("rc_twopass_stats_in missing EOS stats packet");
   }
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
                                     const vpx_image_t    *img) {
   switch (img->fmt) {
     case VPX_IMG_FMT_YV12:
     case VPX_IMG_FMT_I420:
     case VPX_IMG_FMT_I422:
     case VPX_IMG_FMT_I444:
       break;
     default:
       ERROR("Invalid image format. Only YV12, I420, I422, I444 images are "
             "supported.");
   }
   if ((img->d_w != ctx->cfg.g_w) || (img->d_h != ctx->cfg.g_h))
     ERROR("Image size must match encoder init configuration size");
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t set_vp9e_config(VP9_CONFIG *oxcf,
                                        vpx_codec_enc_cfg_t cfg,
                                        struct vp9_extracfg vp8_cfg) {
   oxcf->version = cfg.g_profile | (vp8_cfg.experimental ? 0x4 : 0);
   oxcf->width   = cfg.g_w;
   oxcf->height  = cfg.g_h;
   /* guess a frame rate if out of whack, use 30 */
   oxcf->framerate = (double)(cfg.g_timebase.den)
                     / (double)(cfg.g_timebase.num);
   if (oxcf->framerate > 180) {
     oxcf->framerate = 30;
   }
   switch (cfg.g_pass) {
     case VPX_RC_ONE_PASS:
       oxcf->Mode = MODE_GOODQUALITY;
       break;
     case VPX_RC_FIRST_PASS:
       oxcf->Mode = MODE_FIRSTPASS;
       break;
     case VPX_RC_LAST_PASS:
       oxcf->Mode = MODE_SECONDPASS_BEST;
       break;
   }
   if (cfg.g_pass == VPX_RC_FIRST_PASS) {
     oxcf->allow_lag     = 0;
     oxcf->lag_in_frames = 0;
   } else {
     oxcf->allow_lag     = (cfg.g_lag_in_frames) > 0;
     oxcf->lag_in_frames = cfg.g_lag_in_frames;
   }
   // VBR only supported for now.
   // CBR code has been deprectated for experimental phase.
   // CQ mode not yet tested
   oxcf->end_usage        = USAGE_LOCAL_FILE_PLAYBACK;
   if (cfg.rc_end_usage == VPX_CQ)
     oxcf->end_usage      = USAGE_CONSTRAINED_QUALITY;
   else if (cfg.rc_end_usage == VPX_Q)
     oxcf->end_usage      = USAGE_CONSTANT_QUALITY;
   else if (cfg.rc_end_usage == VPX_CBR)
     oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
   oxcf->target_bandwidth         = cfg.rc_target_bitrate;
   oxcf->rc_max_intra_bitrate_pct = vp8_cfg.rc_max_intra_bitrate_pct;
   oxcf->best_allowed_q          = cfg.rc_min_quantizer;
   oxcf->worst_allowed_q         = cfg.rc_max_quantizer;
   oxcf->cq_level                = vp8_cfg.cq_level;
   oxcf->fixed_q = -1;
   oxcf->under_shoot_pct         = cfg.rc_undershoot_pct;
   oxcf->over_shoot_pct          = cfg.rc_overshoot_pct;
   oxcf->maximum_buffer_size     = cfg.rc_buf_sz;
   oxcf->starting_buffer_level   = cfg.rc_buf_initial_sz;
   oxcf->optimal_buffer_level    = cfg.rc_buf_optimal_sz;
   oxcf->two_pass_vbrbias         = cfg.rc_2pass_vbr_bias_pct;
   oxcf->two_pass_vbrmin_section  = cfg.rc_2pass_vbr_minsection_pct;
   oxcf->two_pass_vbrmax_section  = cfg.rc_2pass_vbr_maxsection_pct;
   oxcf->auto_key               = cfg.kf_mode == VPX_KF_AUTO
                                  && cfg.kf_min_dist != cfg.kf_max_dist;
   // oxcf->kf_min_dist         = cfg.kf_min_dis;
   oxcf->key_freq               = cfg.kf_max_dist;
   // oxcf->delete_first_pass_file = cfg.g_delete_firstpassfile;
   // strcpy(oxcf->first_pass_file, cfg.g_firstpass_file);
   oxcf->cpu_used               =  vp8_cfg.cpu_used;
   oxcf->encode_breakout        =  vp8_cfg.static_thresh;
   oxcf->play_alternate         =  vp8_cfg.enable_auto_alt_ref;
   oxcf->noise_sensitivity      =  vp8_cfg.noise_sensitivity;
   oxcf->Sharpness              =  vp8_cfg.Sharpness;
   oxcf->two_pass_stats_in      =  cfg.rc_twopass_stats_in;
   oxcf->output_pkt_list        =  vp8_cfg.pkt_list;
   oxcf->arnr_max_frames = vp8_cfg.arnr_max_frames;
   oxcf->arnr_strength   = vp8_cfg.arnr_strength;
   oxcf->arnr_type       = vp8_cfg.arnr_type;
   oxcf->tuning = vp8_cfg.tuning;
   oxcf->tile_columns = vp8_cfg.tile_columns;
   oxcf->tile_rows    = vp8_cfg.tile_rows;
   oxcf->lossless = vp8_cfg.lossless;
   oxcf->error_resilient_mode         = cfg.g_error_resilient;
   oxcf->frame_parallel_decoding_mode = vp8_cfg.frame_parallel_decoding_mode;
   oxcf->aq_mode = vp8_cfg.aq_mode;
   oxcf->ss_number_layers = cfg.ss_number_layers;
   /*
   printf("Current VP9 Settings: \n");
   printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
   printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
   printf("Sharpness: %d\n",    oxcf->Sharpness);
   printf("cpu_used: %d\n",  oxcf->cpu_used);
   printf("Mode: %d\n",     oxcf->Mode);
   // printf("delete_first_pass_file: %d\n",  oxcf->delete_first_pass_file);
   printf("auto_key: %d\n",  oxcf->auto_key);
   printf("key_freq: %d\n", oxcf->key_freq);
   printf("end_usage: %d\n", oxcf->end_usage);
   printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
   printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
   printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
   printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
   printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
   printf("fixed_q: %d\n",  oxcf->fixed_q);
   printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
   printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
   printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
   printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
   printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
   printf("allow_lag: %d\n", oxcf->allow_lag);
   printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
   printf("play_alternate: %d\n", oxcf->play_alternate);
   printf("Version: %d\n", oxcf->Version);
   printf("encode_breakout: %d\n", oxcf->encode_breakout);
   printf("error resilient: %d\n", oxcf->error_resilient_mode);
   printf("frame parallel detokenization: %d\n",
          oxcf->frame_parallel_decoding_mode);
   */
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp9e_set_config(vpx_codec_alg_priv_t       *ctx,
                                        const vpx_codec_enc_cfg_t  *cfg) {
   vpx_codec_err_t res;
   if ((cfg->g_w != ctx->cfg.g_w) || (cfg->g_h != ctx->cfg.g_h))
     ERROR("Cannot change width or height after initialization");
   /* Prevent increasing lag_in_frames. This check is stricter than it needs
    * to be -- the limit is not increasing past the first lag_in_frames
    * value, but we don't track the initial config, only the last successful
    * config.
    */
   if ((cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames))
     ERROR("Cannot increase lag_in_frames");
   res = validate_config(ctx, cfg, &ctx->vp8_cfg);
   if (!res) {
     ctx->cfg = *cfg;
     set_vp9e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg);
     vp9_change_config(ctx->cpi, &ctx->oxcf);
   }
   return res;
 }
 int vp9_reverse_trans(int q);
 static vpx_codec_err_t get_param(vpx_codec_alg_priv_t *ctx,
                                  int                   ctrl_id,
                                  va_list               args) {
   void *arg = va_arg(args, void *);
 #define MAP(id, var) case id: *(RECAST(id, arg)) = var; break
   if (!arg)
     return VPX_CODEC_INVALID_PARAM;
   switch (ctrl_id) {
       MAP(VP8E_GET_LAST_QUANTIZER, vp9_get_quantizer(ctx->cpi));
       MAP(VP8E_GET_LAST_QUANTIZER_64,
           vp9_reverse_trans(vp9_get_quantizer(ctx->cpi)));
   }
   return VPX_CODEC_OK;
 #undef MAP
 }
 static vpx_codec_err_t set_param(vpx_codec_alg_priv_t *ctx,
                                  int                   ctrl_id,
                                  va_list               args) {
   vpx_codec_err_t     res  = VPX_CODEC_OK;
   struct vp9_extracfg xcfg = ctx->vp8_cfg;
 #define MAP(id, var) case id: var = CAST(id, args); break;
   switch (ctrl_id) {
       MAP(VP8E_SET_CPUUSED,                 xcfg.cpu_used);
       MAP(VP8E_SET_ENABLEAUTOALTREF,        xcfg.enable_auto_alt_ref);
       MAP(VP8E_SET_NOISE_SENSITIVITY,       xcfg.noise_sensitivity);
       MAP(VP8E_SET_SHARPNESS,               xcfg.Sharpness);
       MAP(VP8E_SET_STATIC_THRESHOLD,        xcfg.static_thresh);
       MAP(VP9E_SET_TILE_COLUMNS,            xcfg.tile_columns);
       MAP(VP9E_SET_TILE_ROWS,               xcfg.tile_rows);
       MAP(VP8E_SET_ARNR_MAXFRAMES,          xcfg.arnr_max_frames);
       MAP(VP8E_SET_ARNR_STRENGTH,           xcfg.arnr_strength);
       MAP(VP8E_SET_ARNR_TYPE,               xcfg.arnr_type);
       MAP(VP8E_SET_TUNING,                  xcfg.tuning);
       MAP(VP8E_SET_CQ_LEVEL,                xcfg.cq_level);
       MAP(VP8E_SET_MAX_INTRA_BITRATE_PCT,   xcfg.rc_max_intra_bitrate_pct);
       MAP(VP9E_SET_LOSSLESS,                xcfg.lossless);
       MAP(VP9E_SET_FRAME_PARALLEL_DECODING, xcfg.frame_parallel_decoding_mode);
       MAP(VP9E_SET_AQ_MODE,                 xcfg.aq_mode);
   }
   res = validate_config(ctx, &ctx->cfg, &xcfg);
   if (!res) {
     ctx->vp8_cfg = xcfg;
     set_vp9e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg);
     vp9_change_config(ctx->cpi, &ctx->oxcf);
   }
   return res;
 #undef MAP
 }
 static vpx_codec_err_t vp9e_common_init(vpx_codec_ctx_t *ctx,
                                         int              experimental) {
   vpx_codec_err_t            res = VPX_CODEC_OK;
   struct vpx_codec_alg_priv *priv;
   vpx_codec_enc_cfg_t       *cfg;
   unsigned int               i;
   VP9_PTR optr;
   if (!ctx->priv) {
     priv = calloc(1, sizeof(struct vpx_codec_alg_priv));
     if (!priv) {
       return VPX_CODEC_MEM_ERROR;
     }
     ctx->priv = &priv->base;
     ctx->priv->sz = sizeof(*ctx->priv);
     ctx->priv->iface = ctx->iface;
     ctx->priv->alg_priv = priv;
     ctx->priv->init_flags = ctx->init_flags;
     ctx->priv->enc.total_encoders = 1;
     if (ctx->config.enc) {
       /* Update the reference to the config structure to an
        * internal copy.
        */
       ctx->priv->alg_priv->cfg = *ctx->config.enc;
       ctx->config.enc = &ctx->priv->alg_priv->cfg;
     }
     cfg =  &ctx->priv->alg_priv->cfg;
     /* Select the extra vp6 configuration table based on the current
      * usage value. If the current usage value isn't found, use the
      * values for usage case 0.
      */
     for (i = 0;
          extracfg_map[i].usage && extracfg_map[i].usage != cfg->g_usage;
          i++) {}
     priv->vp8_cfg = extracfg_map[i].cfg;
     priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
     priv->vp8_cfg.experimental = experimental;
     // TODO(agrange) Check the limits set on this buffer, or the check that is
     // applied in vp9e_encode.
     priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 8;
 //    priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
     if (priv->cx_data_sz < 4096) priv->cx_data_sz = 4096;
     priv->cx_data = malloc(priv->cx_data_sz);
     if (!priv->cx_data) {
       return VPX_CODEC_MEM_ERROR;
     }
     vp9_initialize_enc();
     res = validate_config(priv, &priv->cfg, &priv->vp8_cfg);
     if (!res) {
       set_vp9e_config(&ctx->priv->alg_priv->oxcf,
                       ctx->priv->alg_priv->cfg,
                       ctx->priv->alg_priv->vp8_cfg);
       optr = vp9_create_compressor(&ctx->priv->alg_priv->oxcf);
       if (!optr)
         res = VPX_CODEC_MEM_ERROR;
       else
         ctx->priv->alg_priv->cpi = optr;
     }
   }
   return res;
 }
 static vpx_codec_err_t vp9e_init(vpx_codec_ctx_t *ctx,
                                  vpx_codec_priv_enc_mr_cfg_t *data) {
   return vp9e_common_init(ctx, 0);
 }
 #if CONFIG_EXPERIMENTAL
 static vpx_codec_err_t vp9e_exp_init(vpx_codec_ctx_t *ctx,
                                      vpx_codec_priv_enc_mr_cfg_t *data) {
   return vp9e_common_init(ctx, 1);
 }
 #endif
 static vpx_codec_err_t vp9e_destroy(vpx_codec_alg_priv_t *ctx) {
   free(ctx->cx_data);
   vp9_remove_compressor(&ctx->cpi);
   free(ctx);
   return VPX_CODEC_OK;
 }
 static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
                                     unsigned long          duration,
                                     unsigned long          deadline) {
   unsigned int new_qc;
   /* Use best quality mode if no deadline is given. */
   if (deadline)
     new_qc = MODE_GOODQUALITY;
   else
     new_qc = MODE_BESTQUALITY;
   if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS)
     new_qc = MODE_FIRSTPASS;
   else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS)
     new_qc = (new_qc == MODE_BESTQUALITY)
              ? MODE_SECONDPASS_BEST
              : MODE_SECONDPASS;
   if (ctx->oxcf.Mode != new_qc) {
     ctx->oxcf.Mode = new_qc;
     vp9_change_config(ctx->cpi, &ctx->oxcf);
   }
 }
 static int write_superframe_index(vpx_codec_alg_priv_t *ctx) {
   uint8_t marker = 0xc0;
   unsigned int mask;
   int mag, index_sz;
   assert(ctx->pending_frame_count);
   assert(ctx->pending_frame_count <= 8);
   /* Add the number of frames to the marker byte */
   marker |= ctx->pending_frame_count - 1;
   /* Choose the magnitude */
   for (mag = 0, mask = 0xff; mag < 4; mag++) {
     if (ctx->pending_frame_magnitude < mask)
       break;
     mask <<= 8;
     mask |= 0xff;
   }
   marker |= mag << 3;
   /* Write the index */
   index_sz = 2 + (mag + 1) * ctx->pending_frame_count;
   if (ctx->pending_cx_data_sz + index_sz < ctx->cx_data_sz) {
     uint8_t *x = ctx->pending_cx_data + ctx->pending_cx_data_sz;
     int i, j;
     *x++ = marker;
     for (i = 0; i < ctx->pending_frame_count; i++) {
       int this_sz = ctx->pending_frame_sizes[i];
       for (j = 0; j <= mag; j++) {
         *x++ = this_sz & 0xff;
         this_sz >>= 8;
       }
     }
     *x++ = marker;
     ctx->pending_cx_data_sz += index_sz;
   }
   return index_sz;
 }
 static vpx_codec_err_t vp9e_encode(vpx_codec_alg_priv_t  *ctx,
                                    const vpx_image_t     *img,
                                    vpx_codec_pts_t        pts,
                                    unsigned long          duration,
                                    vpx_enc_frame_flags_t  flags,
                                    unsigned long          deadline) {
   vpx_codec_err_t res = VPX_CODEC_OK;
   if (img)
     res = validate_img(ctx, img);
   pick_quickcompress_mode(ctx, duration, deadline);
   vpx_codec_pkt_list_init(&ctx->pkt_list);
   /* Handle Flags */
   if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF))
       || ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
     ctx->base.err_detail = "Conflicting flags.";
     return VPX_CODEC_INVALID_PARAM;
   }
   if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF
                | VP8_EFLAG_NO_REF_ARF)) {
     int ref = 7;
     if (flags & VP8_EFLAG_NO_REF_LAST)
       ref ^= VP9_LAST_FLAG;
     if (flags & VP8_EFLAG_NO_REF_GF)
       ref ^= VP9_GOLD_FLAG;
     if (flags & VP8_EFLAG_NO_REF_ARF)
       ref ^= VP9_ALT_FLAG;
     vp9_use_as_reference(ctx->cpi, ref);
   }
   if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF
                | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF
                | VP8_EFLAG_FORCE_ARF)) {
     int upd = 7;
     if (flags & VP8_EFLAG_NO_UPD_LAST)
       upd ^= VP9_LAST_FLAG;
     if (flags & VP8_EFLAG_NO_UPD_GF)
       upd ^= VP9_GOLD_FLAG;
     if (flags & VP8_EFLAG_NO_UPD_ARF)
       upd ^= VP9_ALT_FLAG;
     vp9_update_reference(ctx->cpi, upd);
   }
   if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
     vp9_update_entropy(ctx->cpi, 0);
   }
   /* Handle fixed keyframe intervals */
   if (ctx->cfg.kf_mode == VPX_KF_AUTO
       && ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
     if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
       flags |= VPX_EFLAG_FORCE_KF;
       ctx->fixed_kf_cntr = 1;
     }
   }
   /* Initialize the encoder instance on the first frame*/
   if (!res && ctx->cpi) {
     unsigned int lib_flags;
     YV12_BUFFER_CONFIG sd;
     int64_t dst_time_stamp, dst_end_time_stamp;
     unsigned long size, cx_data_sz;
     unsigned char *cx_data;
     /* Set up internal flags */
     if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
       ((VP9_COMP *)ctx->cpi)->b_calculate_psnr = 1;
     // if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION)
     //    ((VP9_COMP *)ctx->cpi)->output_partition = 1;
     /* Convert API flags to internal codec lib flags */
     lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
     /* vp8 use 10,000,000 ticks/second as time stamp */
     dst_time_stamp = pts * 10000000 * ctx->cfg.g_timebase.num
                      / ctx->cfg.g_timebase.den;
     dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num /
                          ctx->cfg.g_timebase.den;
     if (img != NULL) {
       res = image2yuvconfig(img, &sd);
       if (vp9_receive_raw_frame(ctx->cpi, lib_flags,
                                 &sd, dst_time_stamp, dst_end_time_stamp)) {
         VP9_COMP *cpi = (VP9_COMP *)ctx->cpi;
         res = update_error_state(ctx, &cpi->common.error);
       }
     }
     cx_data = ctx->cx_data;
     cx_data_sz = ctx->cx_data_sz;
     lib_flags = 0;
     /* Any pending invisible frames? */
     if (ctx->pending_cx_data) {
       memmove(cx_data, ctx->pending_cx_data, ctx->pending_cx_data_sz);
       ctx->pending_cx_data = cx_data;
       cx_data += ctx->pending_cx_data_sz;
       cx_data_sz -= ctx->pending_cx_data_sz;
       /* TODO: this is a minimal check, the underlying codec doesn't respect
        * the buffer size anyway.
        */
       if (cx_data_sz < ctx->cx_data_sz / 2) {
         ctx->base.err_detail = "Compressed data buffer too small";
         return VPX_CODEC_ERROR;
       }
     }
     while (cx_data_sz >= ctx->cx_data_sz / 2 &&
            -1 != vp9_get_compressed_data(ctx->cpi, &lib_flags, &size,
                                          cx_data, &dst_time_stamp,
                                          &dst_end_time_stamp, !img)) {
       if (size) {
         vpx_codec_pts_t    round, delta;
         vpx_codec_cx_pkt_t pkt;
         VP9_COMP *cpi = (VP9_COMP *)ctx->cpi;
         /* Pack invisible frames with the next visible frame */
         if (!cpi->common.show_frame) {
           if (!ctx->pending_cx_data)
             ctx->pending_cx_data = cx_data;
           ctx->pending_cx_data_sz += size;
           ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
           ctx->pending_frame_magnitude |= size;
           cx_data += size;
           cx_data_sz -= size;
           continue;
         }
         /* Add the frame packet to the list of returned packets. */
         round = (vpx_codec_pts_t)1000000 * ctx->cfg.g_timebase.num / 2 - 1;
         delta = (dst_end_time_stamp - dst_time_stamp);
         pkt.kind = VPX_CODEC_CX_FRAME_PKT;
         pkt.data.frame.pts =
           (dst_time_stamp * ctx->cfg.g_timebase.den + round)
           / ctx->cfg.g_timebase.num / 10000000;
         pkt.data.frame.duration = (unsigned long)
           ((delta * ctx->cfg.g_timebase.den + round)
           / ctx->cfg.g_timebase.num / 10000000);
         pkt.data.frame.flags = lib_flags << 16;
         if (lib_flags & FRAMEFLAGS_KEY)
           pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
         if (!cpi->common.show_frame) {
           pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
           // This timestamp should be as close as possible to the
           // prior PTS so that if a decoder uses pts to schedule when
           // to do this, we start right after last frame was decoded.
           // Invisible frames have no duration.
           pkt.data.frame.pts = ((cpi->last_time_stamp_seen
                                  * ctx->cfg.g_timebase.den + round)
                                 / ctx->cfg.g_timebase.num / 10000000) + 1;
           pkt.data.frame.duration = 0;
         }
         if (cpi->droppable)
           pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;
         /*if (cpi->output_partition)
         {
             int i;
             const int num_partitions = 1;
             pkt.data.frame.flags |= VPX_FRAME_IS_FRAGMENT;
             for (i = 0; i < num_partitions; ++i)
             {
                 pkt.data.frame.buf = cx_data;
                 pkt.data.frame.sz = cpi->partition_sz[i];
                 pkt.data.frame.partition_id = i;
                 // don't set the fragment bit for the last partition
                 if (i == (num_partitions - 1))
                     pkt.data.frame.flags &= ~VPX_FRAME_IS_FRAGMENT;
                 vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
                 cx_data += cpi->partition_sz[i];
                 cx_data_sz -= cpi->partition_sz[i];
             }
         }
         else*/
         {
           if (ctx->pending_cx_data) {
             ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
             ctx->pending_frame_magnitude |= size;
             ctx->pending_cx_data_sz += size;
             size += write_superframe_index(ctx);
             pkt.data.frame.buf = ctx->pending_cx_data;
             pkt.data.frame.sz  = ctx->pending_cx_data_sz;
             ctx->pending_cx_data = NULL;
             ctx->pending_cx_data_sz = 0;
             ctx->pending_frame_count = 0;
             ctx->pending_frame_magnitude = 0;
           } else {
             pkt.data.frame.buf = cx_data;
             pkt.data.frame.sz  = size;
           }
           pkt.data.frame.partition_id = -1;
           vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
           cx_data += size;
           cx_data_sz -= size;
         }
       }
     }
   }
   return res;
 }
 static const vpx_codec_cx_pkt_t *vp9e_get_cxdata(vpx_codec_alg_priv_t  *ctx,
                                                  vpx_codec_iter_t      *iter) {
   return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
 }
 static vpx_codec_err_t vp9e_set_reference(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id,
                                           va_list args) {
   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
   if (data) {
     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
     YV12_BUFFER_CONFIG sd;
     image2yuvconfig(&frame->img, &sd);
     vp9_set_reference_enc(ctx->cpi, ref_frame_to_vp9_reframe(frame->frame_type),
                           &sd);
     return VPX_CODEC_OK;
   } else {
     return VPX_CODEC_INVALID_PARAM;
   }
 }
 static vpx_codec_err_t vp9e_copy_reference(vpx_codec_alg_priv_t *ctx,
                                            int ctr_id,
                                            va_list args) {
   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
   if (data) {
     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
     YV12_BUFFER_CONFIG sd;
     image2yuvconfig(&frame->img, &sd);
     vp9_copy_reference_enc(ctx->cpi,
                            ref_frame_to_vp9_reframe(frame->frame_type), &sd);
     return VPX_CODEC_OK;
   } else {
     return VPX_CODEC_INVALID_PARAM;
   }
 }
 static vpx_codec_err_t get_reference(vpx_codec_alg_priv_t *ctx,
                                      int ctr_id,
                                      va_list args) {
   vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
   if (data) {
     YV12_BUFFER_CONFIG* fb;
     vp9_get_reference_enc(ctx->cpi, data->idx, &fb);
     yuvconfig2image(&data->img, fb, NULL);
     return VPX_CODEC_OK;
   } else {
     return VPX_CODEC_INVALID_PARAM;
   }
 }
 static vpx_codec_err_t vp9e_set_previewpp(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id,
                                           va_list args) {
 #if CONFIG_VP9_POSTPROC
   vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
   (void)ctr_id;
   if (data) {
     ctx->preview_ppcfg = *((vp8_postproc_cfg_t *)data);
     return VPX_CODEC_OK;
   } else {
     return VPX_CODEC_INVALID_PARAM;
   }
 #else
   (void)ctx;
   (void)ctr_id;
   (void)args;
   return VPX_CODEC_INCAPABLE;
 #endif
 }
 static vpx_image_t *vp9e_get_preview(vpx_codec_alg_priv_t *ctx) {
   YV12_BUFFER_CONFIG sd;
   vp9_ppflags_t flags = {0};
   if (ctx->preview_ppcfg.post_proc_flag) {
     flags.post_proc_flag        = ctx->preview_ppcfg.post_proc_flag;
     flags.deblocking_level      = ctx->preview_ppcfg.deblocking_level;
     flags.noise_level           = ctx->preview_ppcfg.noise_level;
   }
   if (0 == vp9_get_preview_raw_frame(ctx->cpi, &sd, &flags)) {
     yuvconfig2image(&ctx->preview_img, &sd, NULL);
     return &ctx->preview_img;
   } else {
     return NULL;
   }
 }
 static vpx_codec_err_t vp9e_update_entropy(vpx_codec_alg_priv_t *ctx,
                                            int ctr_id,
                                            va_list args) {
   int update = va_arg(args, int);
   vp9_update_entropy(ctx->cpi, update);
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp9e_update_reference(vpx_codec_alg_priv_t *ctx,
                                              int ctr_id,
                                              va_list args) {
   int update = va_arg(args, int);
   vp9_update_reference(ctx->cpi, update);
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp9e_use_reference(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id,
                                           va_list args) {
   int reference_flag = va_arg(args, int);
   vp9_use_as_reference(ctx->cpi, reference_flag);
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp9e_set_roi_map(vpx_codec_alg_priv_t *ctx,
                                         int ctr_id,
                                         va_list args) {
   // TODO(yaowu): Need to re-implement and test for VP9.
   return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp9e_set_activemap(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id,
                                           va_list args) {
   // TODO(yaowu): Need to re-implement and test for VP9.
   return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp9e_set_scalemode(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id,
                                           va_list args) {
   vpx_scaling_mode_t *data =  va_arg(args, vpx_scaling_mode_t *);
   if (data) {
     int res;
     vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data;
     res = vp9_set_internal_size(ctx->cpi,
                                 (VPX_SCALING)scalemode.h_scaling_mode,
                                 (VPX_SCALING)scalemode.v_scaling_mode);
     if (!res) {
       return VPX_CODEC_OK;
     } else {
       return VPX_CODEC_INVALID_PARAM;
     }
   } else {
     return VPX_CODEC_INVALID_PARAM;
   }
 }
 static vpx_codec_err_t vp9e_set_svc(vpx_codec_alg_priv_t *ctx, int ctr_id,
                                     va_list args) {
   int data = va_arg(args, int);
   vp9_set_svc(ctx->cpi, data);
   return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp9e_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
                                                int ctr_id, va_list args) {
   vpx_svc_parameters_t *data = va_arg(args, vpx_svc_parameters_t *);
   VP9_COMP *cpi = (VP9_COMP *)ctx->cpi;
   vpx_svc_parameters_t params;
   if (data == NULL) {
     return VPX_CODEC_INVALID_PARAM;
   }
   params = *(vpx_svc_parameters_t *)data;
   cpi->current_layer = params.layer;
   cpi->lst_fb_idx = params.lst_fb_idx;
   cpi->gld_fb_idx = params.gld_fb_idx;
   cpi->alt_fb_idx = params.alt_fb_idx;
   if (vp9_set_size_literal(ctx->cpi, params.width, params.height) != 0) {
     return VPX_CODEC_INVALID_PARAM;
   }
   ctx->cfg.rc_max_quantizer = params.max_quantizer;
   ctx->cfg.rc_min_quantizer = params.min_quantizer;
   set_vp9e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg);
   vp9_change_config(ctx->cpi, &ctx->oxcf);
   return VPX_CODEC_OK;
 }
 static vpx_codec_ctrl_fn_map_t vp9e_ctf_maps[] = {
   {VP8_SET_REFERENCE,                 vp9e_set_reference},
   {VP8_COPY_REFERENCE,                vp9e_copy_reference},
   {VP8_SET_POSTPROC,                  vp9e_set_previewpp},
   {VP8E_UPD_ENTROPY,                  vp9e_update_entropy},
   {VP8E_UPD_REFERENCE,                vp9e_update_reference},
   {VP8E_USE_REFERENCE,                vp9e_use_reference},
   {VP8E_SET_ROI_MAP,                  vp9e_set_roi_map},
   {VP8E_SET_ACTIVEMAP,                vp9e_set_activemap},
   {VP8E_SET_SCALEMODE,                vp9e_set_scalemode},
   {VP8E_SET_CPUUSED,                  set_param},
   {VP8E_SET_NOISE_SENSITIVITY,        set_param},
   {VP8E_SET_ENABLEAUTOALTREF,         set_param},
   {VP8E_SET_SHARPNESS,                set_param},
   {VP8E_SET_STATIC_THRESHOLD,         set_param},
   {VP9E_SET_TILE_COLUMNS,             set_param},
   {VP9E_SET_TILE_ROWS,                set_param},
   {VP8E_GET_LAST_QUANTIZER,           get_param},
   {VP8E_GET_LAST_QUANTIZER_64,        get_param},
   {VP8E_SET_ARNR_MAXFRAMES,           set_param},
   {VP8E_SET_ARNR_STRENGTH,            set_param},
   {VP8E_SET_ARNR_TYPE,                set_param},
   {VP8E_SET_TUNING,                   set_param},
   {VP8E_SET_CQ_LEVEL,                 set_param},
   {VP8E_SET_MAX_INTRA_BITRATE_PCT,    set_param},
   {VP9E_SET_LOSSLESS,                 set_param},
   {VP9E_SET_FRAME_PARALLEL_DECODING,  set_param},
   {VP9E_SET_AQ_MODE,                  set_param},
   {VP9_GET_REFERENCE,                 get_reference},
   {VP9E_SET_SVC,                      vp9e_set_svc},
   {VP9E_SET_SVC_PARAMETERS,           vp9e_set_svc_parameters},
   { -1, NULL},
 };
 static vpx_codec_enc_cfg_map_t vp9e_usage_cfg_map[] = {
   {
 ,
     {  // NOLINT
 ,                  /* g_usage */
 ,                  /* g_threads */
 ,                  /* g_profile */
 ,                /* g_width */
 ,                /* g_height */
       {1, 30},            /* g_timebase */
 ,                  /* g_error_resilient */
       VPX_RC_ONE_PASS,    /* g_pass */
 ,                 /* g_lag_in_frames */
 ,                  /* rc_dropframe_thresh */
 ,                  /* rc_resize_allowed */
 ,                 /* rc_resize_down_thresold */
 ,                 /* rc_resize_up_thresold */
       VPX_VBR,            /* rc_end_usage */
 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
       {0},                /* rc_twopass_stats_in */
 #endif
 ,                /* rc_target_bandwidth */
 ,                  /* rc_min_quantizer */
 ,                 /* rc_max_quantizer */
 ,                /* rc_undershoot_pct */
 ,                /* rc_overshoot_pct */
 ,               /* rc_max_buffer_size */
 ,               /* rc_buffer_initial_size; */
 ,               /* rc_buffer_optimal_size; */
 ,                 /* rc_two_pass_vbrbias  */
 ,                  /* rc_two_pass_vbrmin_section */
 ,               /* rc_two_pass_vbrmax_section */
       /* keyframing settings (kf) */
       VPX_KF_AUTO,        /* g_kfmode*/
 ,                  /* kf_min_dist */
 ,               /* kf_max_dist */
       VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
 #if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
 ,                  /* g_delete_first_pass_file */
       "vp8.fpf"           /* first pass filename */
 #endif
     }
   },
   { -1, {NOT_IMPLEMENTED}}
 };
 #ifndef VERSION_STRING
 #define VERSION_STRING
 #endif
 CODEC_INTERFACE(vpx_codec_vp9_cx) = {
   "WebM Project VP9 Encoder" VERSION_STRING,
   VPX_CODEC_INTERNAL_ABI_VERSION,
   VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR |
   VPX_CODEC_CAP_OUTPUT_PARTITION,
   /* vpx_codec_caps_t          caps; */
   vp9e_init,          /* vpx_codec_init_fn_t       init; */
   vp9e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
   vp9e_ctf_maps,      /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
   NOT_IMPLEMENTED,    /* vpx_codec_get_mmap_fn_t   get_mmap; */
   NOT_IMPLEMENTED,    /* vpx_codec_set_mmap_fn_t   set_mmap; */
   {  // NOLINT
     NOT_IMPLEMENTED,    /* vpx_codec_peek_si_fn_t    peek_si; */
     NOT_IMPLEMENTED,    /* vpx_codec_get_si_fn_t     get_si; */
     NOT_IMPLEMENTED,    /* vpx_codec_decode_fn_t     decode; */
     NOT_IMPLEMENTED,    /* vpx_codec_frame_get_fn_t  frame_get; */
   },
   {  // NOLINT
     vp9e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
     vp9e_encode,        /* vpx_codec_encode_fn_t      encode; */
     vp9e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
     vp9e_set_config,
     NOT_IMPLEMENTED,
     vp9e_get_preview,
   } /* encoder functions */
 };
 #if CONFIG_EXPERIMENTAL
 CODEC_INTERFACE(vpx_codec_vp9x_cx) = {
   "VP8 Experimental Encoder" VERSION_STRING,
   VPX_CODEC_INTERNAL_ABI_VERSION,
   VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,
   /* vpx_codec_caps_t          caps; */
   vp9e_exp_init,      /* vpx_codec_init_fn_t       init; */
   vp9e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
   vp9e_ctf_maps,      /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
   NOT_IMPLEMENTED,    /* vpx_codec_get_mmap_fn_t   get_mmap; */
   NOT_IMPLEMENTED,    /* vpx_codec_set_mmap_fn_t   set_mmap; */
   {  // NOLINT
     NOT_IMPLEMENTED,    /* vpx_codec_peek_si_fn_t    peek_si; */
     NOT_IMPLEMENTED,    /* vpx_codec_get_si_fn_t     get_si; */
     NOT_IMPLEMENTED,    /* vpx_codec_decode_fn_t     decode; */
     NOT_IMPLEMENTED,    /* vpx_codec_frame_get_fn_t  frame_get; */
   },
   {  // NOLINT
     vp9e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
     vp9e_encode,        /* vpx_codec_encode_fn_t      encode; */
     vp9e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
     vp9e_set_config,
     NOT_IMPLEMENTED,
     vp9e_get_preview,
   } /* encoder functions */
 };
 #endif

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media/libvpx/vp9/vp9_cx_iface.c@6474c204b198 (annotated)

media/libvpx/vp9/vp9_cx_iface.c