The Tor Browser: media/libvpx/vp8/vp8_cx_iface.c@ac0c01689b40 (annotated)

media/libvpx/vp8/vp8_cx_iface.c@ac0c01689b40 (annotated)

media/libvpx/vp8/vp8_cx_iface.c

Thu, 15 Jan 2015 15:59:08 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:59:08 +0100
branch: TOR_BUG_9701
changeset 10: ac0c01689b40
permissions: -rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /*
  *  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 "vp8_rtcd.h"
 #include "vpx/vpx_codec.h"
 #include "vpx/internal/vpx_codec_internal.h"
 #include "vpx_version.h"
 #include "vp8/encoder/onyx_int.h"
 #include "vpx/vp8cx.h"
 #include "vp8/encoder/firstpass.h"
 #include "vp8/common/onyx.h"
 #include <stdlib.h>
 #include <string.h>
 struct vp8_extracfg
 {
     struct vpx_codec_pkt_list *pkt_list;
     int                         cpu_used;                    /** available cpu percentage in 1/16*/
     unsigned int                enable_auto_alt_ref;           /** if encoder decides to uses alternate reference frame */
     unsigned int                noise_sensitivity;
     unsigned int                Sharpness;
     unsigned int                static_thresh;
     unsigned int                token_partitions;
     unsigned int                arnr_max_frames;    /* alt_ref Noise Reduction Max Frame Count */
     unsigned int                arnr_strength;    /* alt_ref Noise Reduction Strength */
     unsigned int                arnr_type;        /* alt_ref filter type */
     vp8e_tuning                 tuning;
     unsigned int                cq_level;         /* constrained quality level */
     unsigned int                rc_max_intra_bitrate_pct;
 };
 struct extraconfig_map
 {
     int                 usage;
     struct vp8_extracfg cfg;
 };
 static const struct extraconfig_map extracfg_map[] =
 {
     {
 ,
         {
             NULL,
 #if !(CONFIG_REALTIME_ONLY)
 ,                          /* cpu_used      */
 #else
 ,                          /* cpu_used      */
 #endif
 ,                          /* enable_auto_alt_ref */
 ,                          /* noise_sensitivity */
 ,                          /* Sharpness */
 ,                          /* static_thresh */
 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
             VP8_EIGHT_TOKENPARTITION,
 #else
             VP8_ONE_TOKENPARTITION,     /* token_partitions */
 #endif
 ,                          /* arnr_max_frames */
 ,                          /* arnr_strength */
 ,                          /* arnr_type*/
 ,                          /* tuning*/
 ,                         /* cq_level */
 ,                          /* rc_max_intra_bitrate_pct */
         }
     }
 };
 struct vpx_codec_alg_priv
 {
     vpx_codec_priv_t        base;
     vpx_codec_enc_cfg_t     cfg;
     struct vp8_extracfg     vp8_cfg;
     VP8_CONFIG              oxcf;
     struct VP8_COMP        *cpi;
     unsigned char          *cx_data;
     unsigned int            cx_data_sz;
     vpx_image_t             preview_img;
     unsigned int            next_frame_flag;
     vp8_postproc_cfg_t      preview_ppcfg;
     /* pkt_list size depends on the maximum number of lagged frames allowed. */
     vpx_codec_pkt_list_decl(64) pkt_list;
     unsigned int                fixed_kf_cntr;
 };
 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 vp8_extracfg *vp8_cfg,
                                        int                        finalize)
 {
     RANGE_CHECK(cfg, g_w,                   1, 16383); /* 14 bits available */
     RANGE_CHECK(cfg, g_h,                   1, 16383); /* 14 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_HI(cfg, g_threads,          64);
 #if CONFIG_REALTIME_ONLY
     RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
 #elif CONFIG_MULTI_RES_ENCODING
     if (ctx->base.enc.total_encoders > 1)
         RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
 #else
     RANGE_CHECK_HI(cfg, g_lag_in_frames,    25);
 #endif
     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);
 /* TODO: add spatial re-sampling support and frame dropping in
  * multi-res-encoder.*/
 #if CONFIG_MULTI_RES_ENCODING
     if (ctx->base.enc.total_encoders > 1)
         RANGE_CHECK_HI(cfg, rc_resize_allowed,     0);
 #else
     RANGE_CHECK_BOOL(cfg, rc_resize_allowed);
 #endif
     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);
 #if CONFIG_REALTIME_ONLY
     RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
 #elif CONFIG_MULTI_RES_ENCODING
     if (ctx->base.enc.total_encoders > 1)
         RANGE_CHECK(cfg,    g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
 #else
     RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
 #endif
     /* 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);
 #if CONFIG_REALTIME_ONLY && !CONFIG_TEMPORAL_DENOISING
     RANGE_CHECK(vp8_cfg, noise_sensitivity,  0, 0);
 #else
     RANGE_CHECK_HI(vp8_cfg, noise_sensitivity,  6);
 #endif
     RANGE_CHECK(vp8_cfg, token_partitions,   VP8_ONE_TOKENPARTITION,
                 VP8_EIGHT_TOKENPARTITION);
     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 (finalize && (cfg->rc_end_usage == VPX_CQ || cfg->rc_end_usage == VPX_Q))
         RANGE_CHECK(vp8_cfg, cq_level,
                     cfg->rc_min_quantizer, cfg->rc_max_quantizer);
 #if !(CONFIG_REALTIME_ONLY)
     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");
     }
 #endif
     RANGE_CHECK(cfg, ts_number_layers, 1, 5);
     if (cfg->ts_number_layers > 1)
     {
         unsigned int i;
         RANGE_CHECK_HI(cfg, ts_periodicity, 16);
         for (i=1; i<cfg->ts_number_layers; i++)
             if (cfg->ts_target_bitrate[i] <= cfg->ts_target_bitrate[i-1])
                 ERROR("ts_target_bitrate entries are not strictly increasing");
         RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers-1], 1, 1);
         for (i=cfg->ts_number_layers-2; i>0; i--)
             if (cfg->ts_rate_decimator[i-1] != 2*cfg->ts_rate_decimator[i])
                 ERROR("ts_rate_decimator factors are not powers of 2");
         RANGE_CHECK_HI(cfg, ts_layer_id[i], cfg->ts_number_layers-1);
     }
 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
     if(cfg->g_threads > (1 << vp8_cfg->token_partitions))
         ERROR("g_threads cannot be bigger than number of token partitions");
 #endif
     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_VPXI420:
     case VPX_IMG_FMT_VPXYV12:
         break;
     default:
         ERROR("Invalid image format. Only YV12 and I420 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_vp8e_config(VP8_CONFIG *oxcf,
                                        vpx_codec_enc_cfg_t cfg,
                                        struct vp8_extracfg vp8_cfg,
                                        vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
 {
     oxcf->multi_threaded         = cfg.g_threads;
     oxcf->Version               = cfg.g_profile;
     oxcf->Width                 = cfg.g_w;
     oxcf->Height                = cfg.g_h;
     oxcf->timebase              = cfg.g_timebase;
     oxcf->error_resilient_mode = cfg.g_error_resilient;
     switch (cfg.g_pass)
     {
     case VPX_RC_ONE_PASS:
         oxcf->Mode = MODE_BESTQUALITY;
         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 || cfg.g_pass == VPX_RC_ONE_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;
     }
     oxcf->allow_df               = (cfg.rc_dropframe_thresh > 0);
     oxcf->drop_frames_water_mark   = cfg.rc_dropframe_thresh;
     oxcf->allow_spatial_resampling = cfg.rc_resize_allowed;
     oxcf->resample_up_water_mark   = cfg.rc_resize_up_thresh;
     oxcf->resample_down_water_mark = cfg.rc_resize_down_thresh;
     if (cfg.rc_end_usage == VPX_VBR) {
       oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
     } else if (cfg.rc_end_usage == VPX_CBR) {
       oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
     } else 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;
     }
     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_in_ms   = cfg.rc_buf_sz;
     oxcf->starting_buffer_level_in_ms = cfg.rc_buf_initial_sz;
     oxcf->optimal_buffer_level_in_ms  = cfg.rc_buf_optimal_sz;
     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->key_freq                 = cfg.kf_max_dist;
     oxcf->number_of_layers         = cfg.ts_number_layers;
     oxcf->periodicity              = cfg.ts_periodicity;
     if (oxcf->number_of_layers > 1)
     {
         memcpy (oxcf->target_bitrate, cfg.ts_target_bitrate,
                           sizeof(cfg.ts_target_bitrate));
         memcpy (oxcf->rate_decimator, cfg.ts_rate_decimator,
                           sizeof(cfg.ts_rate_decimator));
         memcpy (oxcf->layer_id, cfg.ts_layer_id, sizeof(cfg.ts_layer_id));
     }
 #if CONFIG_MULTI_RES_ENCODING
     /* When mr_cfg is NULL, oxcf->mr_total_resolutions and oxcf->mr_encoder_id
      * are both memset to 0, which ensures the correct logic under this
      * situation.
      */
     if(mr_cfg)
     {
         oxcf->mr_total_resolutions        = mr_cfg->mr_total_resolutions;
         oxcf->mr_encoder_id               = mr_cfg->mr_encoder_id;
         oxcf->mr_down_sampling_factor.num = mr_cfg->mr_down_sampling_factor.num;
         oxcf->mr_down_sampling_factor.den = mr_cfg->mr_down_sampling_factor.den;
         oxcf->mr_low_res_mode_info        = mr_cfg->mr_low_res_mode_info;
     }
 #endif
     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->token_partitions       = vp8_cfg.token_partitions;
     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;
     /*
         printf("Current VP8 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("allow_spatial_resampling: %d\n",  oxcf->allow_spatial_resampling);
         printf("resample_down_water_mark: %d\n", oxcf->resample_down_water_mark);
         printf("resample_up_water_mark: %d\n", oxcf->resample_up_water_mark);
         printf("allow_df: %d\n", oxcf->allow_df);
         printf("drop_frames_water_mark: %d\n", oxcf->drop_frames_water_mark);
         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("multi_threaded: %d\n",   oxcf->multi_threaded);
         printf("encode_breakout: %d\n", oxcf->encode_breakout);
     */
     return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp8e_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))
         && (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS))
         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, 0);
     if (!res)
     {
         ctx->cfg = *cfg;
         set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
         vp8_change_config(ctx->cpi, &ctx->oxcf);
     }
     return res;
 }
 int vp8_reverse_trans(int);
 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, vp8_get_quantizer(ctx->cpi));
         MAP(VP8E_GET_LAST_QUANTIZER_64, vp8_reverse_trans(vp8_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 vp8_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(VP8E_SET_TOKEN_PARTITIONS,      xcfg.token_partitions);
         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);
     }
     res = validate_config(ctx, &ctx->cfg, &xcfg, 0);
     if (!res)
     {
         ctx->vp8_cfg = xcfg;
         set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
         vp8_change_config(ctx->cpi, &ctx->oxcf);
     }
     return res;
 #undef MAP
 }
 static vpx_codec_err_t vp8e_mr_alloc_mem(const vpx_codec_enc_cfg_t *cfg,
                                         void **mem_loc)
 {
     vpx_codec_err_t res = 0;
 #if CONFIG_MULTI_RES_ENCODING
     LOWER_RES_FRAME_INFO *shared_mem_loc;
     int mb_rows = ((cfg->g_w + 15) >>4);
     int mb_cols = ((cfg->g_h + 15) >>4);
     shared_mem_loc = calloc(1, sizeof(LOWER_RES_FRAME_INFO));
     if(!shared_mem_loc)
     {
         res = VPX_CODEC_MEM_ERROR;
     }
     shared_mem_loc->mb_info = calloc(mb_rows*mb_cols, sizeof(LOWER_RES_MB_INFO));
     if(!(shared_mem_loc->mb_info))
     {
         res = VPX_CODEC_MEM_ERROR;
     }
     else
     {
         *mem_loc = (void *)shared_mem_loc;
         res = VPX_CODEC_OK;
     }
 #endif
     return res;
 }
 static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx,
                                  vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
 {
     vpx_codec_err_t        res = VPX_CODEC_OK;
     struct vpx_codec_alg_priv *priv;
     vpx_codec_enc_cfg_t       *cfg;
     unsigned int               i;
     struct VP8_COMP *optr;
     vp8_rtcd();
     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;
         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 vp8 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->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
         if (priv->cx_data_sz < 32768) priv->cx_data_sz = 32768;
         priv->cx_data = malloc(priv->cx_data_sz);
         if (!priv->cx_data)
         {
             return VPX_CODEC_MEM_ERROR;
         }
         if(mr_cfg)
             ctx->priv->enc.total_encoders   = mr_cfg->mr_total_resolutions;
         else
             ctx->priv->enc.total_encoders   = 1;
         res = validate_config(priv, &priv->cfg, &priv->vp8_cfg, 0);
         if (!res)
         {
             set_vp8e_config(&ctx->priv->alg_priv->oxcf,
                              ctx->priv->alg_priv->cfg,
                              ctx->priv->alg_priv->vp8_cfg,
                              mr_cfg);
             optr = vp8_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 vp8e_destroy(vpx_codec_alg_priv_t *ctx)
 {
 #if CONFIG_MULTI_RES_ENCODING
     /* Free multi-encoder shared memory */
     if (ctx->oxcf.mr_total_resolutions > 0 && (ctx->oxcf.mr_encoder_id == ctx->oxcf.mr_total_resolutions-1))
     {
         LOWER_RES_FRAME_INFO *shared_mem_loc = (LOWER_RES_FRAME_INFO *)ctx->oxcf.mr_low_res_mode_info;
         free(shared_mem_loc->mb_info);
         free(ctx->oxcf.mr_low_res_mode_info);
     }
 #endif
     free(ctx->cx_data);
     vp8_remove_compressor(&ctx->cpi);
     free(ctx);
     return VPX_CODEC_OK;
 }
 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
                                        YV12_BUFFER_CONFIG  *yv12)
 {
     vpx_codec_err_t        res = VPX_CODEC_OK;
     yv12->y_buffer = img->planes[VPX_PLANE_Y];
     yv12->u_buffer = img->planes[VPX_PLANE_U];
     yv12->v_buffer = img->planes[VPX_PLANE_V];
     yv12->y_crop_width  = img->d_w;
     yv12->y_crop_height = img->d_h;
     yv12->y_width  = img->d_w;
     yv12->y_height = img->d_h;
     yv12->uv_width = (1 + yv12->y_width) / 2;
     yv12->uv_height = (1 + yv12->y_height) / 2;
     yv12->y_stride = img->stride[VPX_PLANE_Y];
     yv12->uv_stride = img->stride[VPX_PLANE_U];
     yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
     return res;
 }
 static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
                                     unsigned long          duration,
                                     unsigned long          deadline)
 {
     unsigned int new_qc;
 #if !(CONFIG_REALTIME_ONLY)
     /* Use best quality mode if no deadline is given. */
     new_qc = MODE_BESTQUALITY;
     if (deadline)
     {
         uint64_t     duration_us;
         /* Convert duration parameter from stream timebase to microseconds */
         duration_us = (uint64_t)duration * 1000000
                       * (uint64_t)ctx->cfg.g_timebase.num
                       / (uint64_t)ctx->cfg.g_timebase.den;
         /* If the deadline is more that the duration this frame is to be shown,
          * use good quality mode. Otherwise use realtime mode.
          */
         new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
     }
 #else
     new_qc = MODE_REALTIME;
 #endif
     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;
         vp8_change_config(ctx->cpi, &ctx->oxcf);
     }
 }
 static vpx_codec_err_t vp8e_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 (!ctx->cfg.rc_target_bitrate)
         return res;
     if (!ctx->cfg.rc_target_bitrate)
         return res;
     if (img)
         res = validate_img(ctx, img);
     if (!res)
         res = validate_config(ctx, &ctx->cfg, &ctx->vp8_cfg, 1);
     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 ^= VP8_LAST_FRAME;
         if (flags & VP8_EFLAG_NO_REF_GF)
             ref ^= VP8_GOLD_FRAME;
         if (flags & VP8_EFLAG_NO_REF_ARF)
             ref ^= VP8_ALTR_FRAME;
         vp8_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 ^= VP8_LAST_FRAME;
         if (flags & VP8_EFLAG_NO_UPD_GF)
             upd ^= VP8_GOLD_FRAME;
         if (flags & VP8_EFLAG_NO_UPD_ARF)
             upd ^= VP8_ALTR_FRAME;
         vp8_update_reference(ctx->cpi, upd);
     }
     if (flags & VP8_EFLAG_NO_UPD_ENTROPY)
     {
         vp8_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;
         unsigned char *cx_data_end;
         int comp_data_state = 0;
         /* Set up internal flags */
         if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
             ((VP8_COMP *)ctx->cpi)->b_calculate_psnr = 1;
         if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION)
             ((VP8_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 (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
                                       &sd, dst_time_stamp, dst_end_time_stamp))
             {
                 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
                 res = update_error_state(ctx, &cpi->common.error);
             }
             /* reset for next frame */
             ctx->next_frame_flag = 0;
         }
         cx_data = ctx->cx_data;
         cx_data_sz = ctx->cx_data_sz;
         cx_data_end = ctx->cx_data + cx_data_sz;
         lib_flags = 0;
         while (cx_data_sz >= ctx->cx_data_sz / 2)
         {
             comp_data_state = vp8_get_compressed_data(ctx->cpi,
                                                   &lib_flags,
                                                   &size,
                                                   cx_data,
                                                   cx_data_end,
                                                   &dst_time_stamp,
                                                   &dst_end_time_stamp,
                                                   !img);
             if(comp_data_state == VPX_CODEC_CORRUPT_FRAME)
                 return VPX_CODEC_CORRUPT_FRAME;
             else if(comp_data_state == -1)
                 break;
             if (size)
             {
                 vpx_codec_pts_t    round, delta;
                 vpx_codec_cx_pkt_t pkt;
                 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
                 /* 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 << cpi->common.multi_token_partition) + 1;
                     pkt.data.frame.flags |= VPX_FRAME_IS_FRAGMENT;
                     for (i = 0; i < num_partitions; ++i)
                     {
 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
                         pkt.data.frame.buf = cpi->partition_d[i];
 #else
                         pkt.data.frame.buf = cx_data;
                         cx_data += cpi->partition_sz[i];
                         cx_data_sz -= cpi->partition_sz[i];
 #endif
                         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);
                     }
 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
                     /* In lagged mode the encoder can buffer multiple frames.
                      * We don't want this in partitioned output because
                      * partitions are spread all over the output buffer.
                      * So, force an exit!
                      */
                     cx_data_sz -= ctx->cx_data_sz / 2;
 #endif
                 }
                 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 *vp8e_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 vp8e_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);
         vp8_set_reference(ctx->cpi, frame->frame_type, &sd);
         return VPX_CODEC_OK;
     }
     else
         return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp8e_get_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);
         vp8_get_reference(ctx->cpi, frame->frame_type, &sd);
         return VPX_CODEC_OK;
     }
     else
         return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
 #if CONFIG_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 *vp8e_get_preview(vpx_codec_alg_priv_t *ctx)
 {
     YV12_BUFFER_CONFIG sd;
     vp8_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 == vp8_get_preview_raw_frame(ctx->cpi, &sd, &flags))
     {
         /*
         vpx_img_wrap(&ctx->preview_img, VPX_IMG_FMT_YV12,
             sd.y_width + 2*VP8BORDERINPIXELS,
             sd.y_height + 2*VP8BORDERINPIXELS,
 ,
             sd.buffer_alloc);
         vpx_img_set_rect(&ctx->preview_img,
             VP8BORDERINPIXELS, VP8BORDERINPIXELS,
             sd.y_width, sd.y_height);
             */
         ctx->preview_img.bps = 12;
         ctx->preview_img.planes[VPX_PLANE_Y] = sd.y_buffer;
         ctx->preview_img.planes[VPX_PLANE_U] = sd.u_buffer;
         ctx->preview_img.planes[VPX_PLANE_V] = sd.v_buffer;
         ctx->preview_img.fmt = VPX_IMG_FMT_I420;
         ctx->preview_img.x_chroma_shift = 1;
         ctx->preview_img.y_chroma_shift = 1;
         ctx->preview_img.d_w = sd.y_width;
         ctx->preview_img.d_h = sd.y_height;
         ctx->preview_img.stride[VPX_PLANE_Y] = sd.y_stride;
         ctx->preview_img.stride[VPX_PLANE_U] = sd.uv_stride;
         ctx->preview_img.stride[VPX_PLANE_V] = sd.uv_stride;
         ctx->preview_img.w   = sd.y_width;
         ctx->preview_img.h   = sd.y_height;
         return &ctx->preview_img;
     }
     else
         return NULL;
 }
 static vpx_codec_err_t vp8e_update_entropy(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
     int update = va_arg(args, int);
     vp8_update_entropy(ctx->cpi, update);
     return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp8e_update_reference(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
     int update = va_arg(args, int);
     vp8_update_reference(ctx->cpi, update);
     return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp8e_use_reference(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
     int reference_flag = va_arg(args, int);
     vp8_use_as_reference(ctx->cpi, reference_flag);
     return VPX_CODEC_OK;
 }
 static vpx_codec_err_t vp8e_set_roi_map(vpx_codec_alg_priv_t *ctx,
                                         int ctr_id,
                                         va_list args)
 {
     vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *);
     if (data)
     {
         vpx_roi_map_t *roi = (vpx_roi_map_t *)data;
         if (!vp8_set_roimap(ctx->cpi, roi->roi_map, roi->rows, roi->cols, roi->delta_q, roi->delta_lf, roi->static_threshold))
             return VPX_CODEC_OK;
         else
             return VPX_CODEC_INVALID_PARAM;
     }
     else
         return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp8e_set_activemap(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
     vpx_active_map_t *data = va_arg(args, vpx_active_map_t *);
     if (data)
     {
         vpx_active_map_t *map = (vpx_active_map_t *)data;
         if (!vp8_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols))
             return VPX_CODEC_OK;
         else
             return VPX_CODEC_INVALID_PARAM;
     }
     else
         return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_err_t vp8e_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 = vp8_set_internal_size(ctx->cpi,
                                     (VPX_SCALING)scalemode.h_scaling_mode,
                                     (VPX_SCALING)scalemode.v_scaling_mode);
         if (!res)
         {
             /*force next frame a key frame to effect scaling mode */
             ctx->next_frame_flag |= FRAMEFLAGS_KEY;
             return VPX_CODEC_OK;
         }
         else
             return VPX_CODEC_INVALID_PARAM;
     }
     else
         return VPX_CODEC_INVALID_PARAM;
 }
 static vpx_codec_ctrl_fn_map_t vp8e_ctf_maps[] =
 {
     {VP8_SET_REFERENCE,                 vp8e_set_reference},
     {VP8_COPY_REFERENCE,                vp8e_get_reference},
     {VP8_SET_POSTPROC,                  vp8e_set_previewpp},
     {VP8E_UPD_ENTROPY,                  vp8e_update_entropy},
     {VP8E_UPD_REFERENCE,                vp8e_update_reference},
     {VP8E_USE_REFERENCE,                vp8e_use_reference},
     {VP8E_SET_ROI_MAP,                  vp8e_set_roi_map},
     {VP8E_SET_ACTIVEMAP,                vp8e_set_activemap},
     {VP8E_SET_SCALEMODE,                vp8e_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},
     {VP8E_SET_TOKEN_PARTITIONS,         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},
     { -1, NULL},
 };
 static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] =
 {
     {
 ,
     {
 ,                  /* 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 */
 #if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
 ,                  /* g_delete_first_pass_file */
         "vp8.fpf"           /* first pass filename */
 #endif
         VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
 ,                  /* ts_number_layers */
         {0},                /* ts_target_bitrate */
         {0},                /* ts_rate_decimator */
 ,                  /* ts_periodicity */
         {0},                /* ts_layer_id */
     }},
     { -1, {NOT_IMPLEMENTED}}
 };
 #ifndef VERSION_STRING
 #define VERSION_STRING
 #endif
 CODEC_INTERFACE(vpx_codec_vp8_cx) =
 {
     "WebM Project VP8 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; */
     vp8e_init,          /* vpx_codec_init_fn_t       init; */
     vp8e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
     vp8e_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; */
     {
         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; */
     },
     {
         vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
         vp8e_encode,        /* vpx_codec_encode_fn_t      encode; */
         vp8e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
         vp8e_set_config,
         NOT_IMPLEMENTED,
         vp8e_get_preview,
         vp8e_mr_alloc_mem,
     } /* encoder functions */
 };

The Tor Browser / annotate

media/libvpx/vp8/vp8_cx_iface.c@ac0c01689b40 (annotated)

media/libvpx/vp8/vp8_cx_iface.c