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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 
     12 #include "vp8_rtcd.h"
     13 #include "vpx/vpx_codec.h"
     14 #include "vpx/internal/vpx_codec_internal.h"
     15 #include "vpx_version.h"
     16 #include "vp8/encoder/onyx_int.h"
     17 #include "vpx/vp8cx.h"
     18 #include "vp8/encoder/firstpass.h"
     19 #include "vp8/common/onyx.h"
     20 #include <stdlib.h>
     21 #include <string.h>
     22 
     23 struct vp8_extracfg
     24 {
     25     struct vpx_codec_pkt_list *pkt_list;
     26     int                         cpu_used;                    /** available cpu percentage in 1/16*/
     27     unsigned int                enable_auto_alt_ref;           /** if encoder decides to uses alternate reference frame */
     28     unsigned int                noise_sensitivity;
     29     unsigned int                Sharpness;
     30     unsigned int                static_thresh;
     31     unsigned int                token_partitions;
     32     unsigned int                arnr_max_frames;    /* alt_ref Noise Reduction Max Frame Count */
     33     unsigned int                arnr_strength;    /* alt_ref Noise Reduction Strength */
     34     unsigned int                arnr_type;        /* alt_ref filter type */
     35     vp8e_tuning                 tuning;
     36     unsigned int                cq_level;         /* constrained quality level */
     37     unsigned int                rc_max_intra_bitrate_pct;
     38 
     39 };
     40 
     41 struct extraconfig_map
     42 {
     43     int                 usage;
     44     struct vp8_extracfg cfg;
     45 };
     46 
     47 static const struct extraconfig_map extracfg_map[] =
     48 {
     49     {
     50         0,
     51         {
     52             NULL,
     53 #if !(CONFIG_REALTIME_ONLY)
     54             0,                          /* cpu_used      */
     55 #else
     56             4,                          /* cpu_used      */
     57 #endif
     58             0,                          /* enable_auto_alt_ref */
     59             0,                          /* noise_sensitivity */
     60             0,                          /* Sharpness */
     61             0,                          /* static_thresh */
     62 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
     63             VP8_EIGHT_TOKENPARTITION,
     64 #else
     65             VP8_ONE_TOKENPARTITION,     /* token_partitions */
     66 #endif
     67             0,                          /* arnr_max_frames */
     68             3,                          /* arnr_strength */
     69             3,                          /* arnr_type*/
     70             0,                          /* tuning*/
     71             10,                         /* cq_level */
     72             0,                          /* rc_max_intra_bitrate_pct */
     73         }
     74     }
     75 };
     76 
     77 struct vpx_codec_alg_priv
     78 {
     79     vpx_codec_priv_t        base;
     80     vpx_codec_enc_cfg_t     cfg;
     81     struct vp8_extracfg     vp8_cfg;
     82     VP8_CONFIG              oxcf;
     83     struct VP8_COMP        *cpi;
     84     unsigned char          *cx_data;
     85     unsigned int            cx_data_sz;
     86     vpx_image_t             preview_img;
     87     unsigned int            next_frame_flag;
     88     vp8_postproc_cfg_t      preview_ppcfg;
     89     /* pkt_list size depends on the maximum number of lagged frames allowed. */
     90     vpx_codec_pkt_list_decl(64) pkt_list;
     91     unsigned int                fixed_kf_cntr;
     92 };
     93 
     94 
     95 static vpx_codec_err_t
     96 update_error_state(vpx_codec_alg_priv_t                 *ctx,
     97                    const struct vpx_internal_error_info *error)
     98 {
     99     vpx_codec_err_t res;
    100 
    101     if ((res = error->error_code))
    102         ctx->base.err_detail = error->has_detail
    103                                ? error->detail
    104                                : NULL;
    105 
    106     return res;
    107 }
    108 
    109 
    110 #undef ERROR
    111 #define ERROR(str) do {\
    112         ctx->base.err_detail = str;\
    113         return VPX_CODEC_INVALID_PARAM;\
    114     } while(0)
    115 
    116 #define RANGE_CHECK(p,memb,lo,hi) do {\
    117         if(!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
    118             ERROR(#memb " out of range ["#lo".."#hi"]");\
    119     } while(0)
    120 
    121 #define RANGE_CHECK_HI(p,memb,hi) do {\
    122         if(!((p)->memb <= (hi))) \
    123             ERROR(#memb " out of range [.."#hi"]");\
    124     } while(0)
    125 
    126 #define RANGE_CHECK_LO(p,memb,lo) do {\
    127         if(!((p)->memb >= (lo))) \
    128             ERROR(#memb " out of range ["#lo"..]");\
    129     } while(0)
    130 
    131 #define RANGE_CHECK_BOOL(p,memb) do {\
    132         if(!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
    133     } while(0)
    134 
    135 static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t      *ctx,
    136                                        const vpx_codec_enc_cfg_t *cfg,
    137                                        const struct vp8_extracfg *vp8_cfg,
    138                                        int                        finalize)
    139 {
    140     RANGE_CHECK(cfg, g_w,                   1, 16383); /* 14 bits available */
    141     RANGE_CHECK(cfg, g_h,                   1, 16383); /* 14 bits available */
    142     RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
    143     RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
    144     RANGE_CHECK_HI(cfg, g_profile,          3);
    145     RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
    146     RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
    147     RANGE_CHECK_HI(cfg, g_threads,          64);
    148 #if CONFIG_REALTIME_ONLY
    149     RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
    150 #elif CONFIG_MULTI_RES_ENCODING
    151     if (ctx->base.enc.total_encoders > 1)
    152         RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
    153 #else
    154     RANGE_CHECK_HI(cfg, g_lag_in_frames,    25);
    155 #endif
    156     RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
    157     RANGE_CHECK_HI(cfg, rc_undershoot_pct,  1000);
    158     RANGE_CHECK_HI(cfg, rc_overshoot_pct,   1000);
    159     RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
    160     RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
    161 
    162 /* TODO: add spatial re-sampling support and frame dropping in
    163  * multi-res-encoder.*/
    164 #if CONFIG_MULTI_RES_ENCODING
    165     if (ctx->base.enc.total_encoders > 1)
    166         RANGE_CHECK_HI(cfg, rc_resize_allowed,     0);
    167 #else
    168     RANGE_CHECK_BOOL(cfg, rc_resize_allowed);
    169 #endif
    170     RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
    171     RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
    172     RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
    173 
    174 #if CONFIG_REALTIME_ONLY
    175     RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
    176 #elif CONFIG_MULTI_RES_ENCODING
    177     if (ctx->base.enc.total_encoders > 1)
    178         RANGE_CHECK(cfg,    g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
    179 #else
    180     RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
    181 #endif
    182 
    183     /* VP8 does not support a lower bound on the keyframe interval in
    184      * automatic keyframe placement mode.
    185      */
    186     if (cfg->kf_mode != VPX_KF_DISABLED && cfg->kf_min_dist != cfg->kf_max_dist
    187         && cfg->kf_min_dist > 0)
    188         ERROR("kf_min_dist not supported in auto mode, use 0 "
    189               "or kf_max_dist instead.");
    190 
    191     RANGE_CHECK_BOOL(vp8_cfg,               enable_auto_alt_ref);
    192     RANGE_CHECK(vp8_cfg, cpu_used,           -16, 16);
    193 
    194 #if CONFIG_REALTIME_ONLY && !CONFIG_TEMPORAL_DENOISING
    195     RANGE_CHECK(vp8_cfg, noise_sensitivity,  0, 0);
    196 #else
    197     RANGE_CHECK_HI(vp8_cfg, noise_sensitivity,  6);
    198 #endif
    199 
    200     RANGE_CHECK(vp8_cfg, token_partitions,   VP8_ONE_TOKENPARTITION,
    201                 VP8_EIGHT_TOKENPARTITION);
    202     RANGE_CHECK_HI(vp8_cfg, Sharpness,       7);
    203     RANGE_CHECK(vp8_cfg, arnr_max_frames, 0, 15);
    204     RANGE_CHECK_HI(vp8_cfg, arnr_strength,   6);
    205     RANGE_CHECK(vp8_cfg, arnr_type,       1, 3);
    206     RANGE_CHECK(vp8_cfg, cq_level, 0, 63);
    207     if (finalize && (cfg->rc_end_usage == VPX_CQ || cfg->rc_end_usage == VPX_Q))
    208         RANGE_CHECK(vp8_cfg, cq_level,
    209                     cfg->rc_min_quantizer, cfg->rc_max_quantizer);
    210 
    211 #if !(CONFIG_REALTIME_ONLY)
    212     if (cfg->g_pass == VPX_RC_LAST_PASS)
    213     {
    214         size_t           packet_sz = sizeof(FIRSTPASS_STATS);
    215         int              n_packets = (int)(cfg->rc_twopass_stats_in.sz /
    216                                           packet_sz);
    217         FIRSTPASS_STATS *stats;
    218 
    219         if (!cfg->rc_twopass_stats_in.buf)
    220             ERROR("rc_twopass_stats_in.buf not set.");
    221 
    222         if (cfg->rc_twopass_stats_in.sz % packet_sz)
    223             ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
    224 
    225         if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
    226             ERROR("rc_twopass_stats_in requires at least two packets.");
    227 
    228         stats = (void*)((char *)cfg->rc_twopass_stats_in.buf
    229                 + (n_packets - 1) * packet_sz);
    230 
    231         if ((int)(stats->count + 0.5) != n_packets - 1)
    232             ERROR("rc_twopass_stats_in missing EOS stats packet");
    233     }
    234 #endif
    235 
    236     RANGE_CHECK(cfg, ts_number_layers, 1, 5);
    237 
    238     if (cfg->ts_number_layers > 1)
    239     {
    240         unsigned int i;
    241         RANGE_CHECK_HI(cfg, ts_periodicity, 16);
    242 
    243         for (i=1; i<cfg->ts_number_layers; i++)
    244             if (cfg->ts_target_bitrate[i] <= cfg->ts_target_bitrate[i-1])
    245                 ERROR("ts_target_bitrate entries are not strictly increasing");
    246 
    247         RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers-1], 1, 1);
    248         for (i=cfg->ts_number_layers-2; i>0; i--)
    249             if (cfg->ts_rate_decimator[i-1] != 2*cfg->ts_rate_decimator[i])
    250                 ERROR("ts_rate_decimator factors are not powers of 2");
    251 
    252         RANGE_CHECK_HI(cfg, ts_layer_id[i], cfg->ts_number_layers-1);
    253     }
    254 
    255 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
    256     if(cfg->g_threads > (1 << vp8_cfg->token_partitions))
    257         ERROR("g_threads cannot be bigger than number of token partitions");
    258 #endif
    259 
    260     return VPX_CODEC_OK;
    261 }
    262 
    263 
    264 static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
    265                                     const vpx_image_t    *img)
    266 {
    267     switch (img->fmt)
    268     {
    269     case VPX_IMG_FMT_YV12:
    270     case VPX_IMG_FMT_I420:
    271     case VPX_IMG_FMT_VPXI420:
    272     case VPX_IMG_FMT_VPXYV12:
    273         break;
    274     default:
    275         ERROR("Invalid image format. Only YV12 and I420 images are supported");
    276     }
    277 
    278     if ((img->d_w != ctx->cfg.g_w) || (img->d_h != ctx->cfg.g_h))
    279         ERROR("Image size must match encoder init configuration size");
    280 
    281     return VPX_CODEC_OK;
    282 }
    283 
    284 
    285 static vpx_codec_err_t set_vp8e_config(VP8_CONFIG *oxcf,
    286                                        vpx_codec_enc_cfg_t cfg,
    287                                        struct vp8_extracfg vp8_cfg,
    288                                        vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
    289 {
    290     oxcf->multi_threaded         = cfg.g_threads;
    291     oxcf->Version               = cfg.g_profile;
    292 
    293     oxcf->Width                 = cfg.g_w;
    294     oxcf->Height                = cfg.g_h;
    295     oxcf->timebase              = cfg.g_timebase;
    296 
    297     oxcf->error_resilient_mode = cfg.g_error_resilient;
    298 
    299     (void)mr_cfg;
    300 
    301     switch (cfg.g_pass)
    302     {
    303     case VPX_RC_ONE_PASS:
    304         oxcf->Mode = MODE_BESTQUALITY;
    305         break;
    306     case VPX_RC_FIRST_PASS:
    307         oxcf->Mode = MODE_FIRSTPASS;
    308         break;
    309     case VPX_RC_LAST_PASS:
    310         oxcf->Mode = MODE_SECONDPASS_BEST;
    311         break;
    312     }
    313 
    314     if (cfg.g_pass == VPX_RC_FIRST_PASS || cfg.g_pass == VPX_RC_ONE_PASS)
    315     {
    316         oxcf->allow_lag     = 0;
    317         oxcf->lag_in_frames = 0;
    318     }
    319     else
    320     {
    321         oxcf->allow_lag     = (cfg.g_lag_in_frames) > 0;
    322         oxcf->lag_in_frames = cfg.g_lag_in_frames;
    323     }
    324 
    325     oxcf->allow_df               = (cfg.rc_dropframe_thresh > 0);
    326     oxcf->drop_frames_water_mark   = cfg.rc_dropframe_thresh;
    327 
    328     oxcf->allow_spatial_resampling = cfg.rc_resize_allowed;
    329     oxcf->resample_up_water_mark   = cfg.rc_resize_up_thresh;
    330     oxcf->resample_down_water_mark = cfg.rc_resize_down_thresh;
    331 
    332     if (cfg.rc_end_usage == VPX_VBR) {
    333       oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
    334     } else if (cfg.rc_end_usage == VPX_CBR) {
    335       oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
    336     } else if (cfg.rc_end_usage == VPX_CQ) {
    337       oxcf->end_usage = USAGE_CONSTRAINED_QUALITY;
    338     } else if (cfg.rc_end_usage == VPX_Q) {
    339       oxcf->end_usage = USAGE_CONSTANT_QUALITY;
    340     }
    341 
    342     oxcf->target_bandwidth         = cfg.rc_target_bitrate;
    343     oxcf->rc_max_intra_bitrate_pct = vp8_cfg.rc_max_intra_bitrate_pct;
    344 
    345     oxcf->best_allowed_q           = cfg.rc_min_quantizer;
    346     oxcf->worst_allowed_q          = cfg.rc_max_quantizer;
    347     oxcf->cq_level                 = vp8_cfg.cq_level;
    348     oxcf->fixed_q = -1;
    349 
    350     oxcf->under_shoot_pct          = cfg.rc_undershoot_pct;
    351     oxcf->over_shoot_pct           = cfg.rc_overshoot_pct;
    352 
    353     oxcf->maximum_buffer_size_in_ms   = cfg.rc_buf_sz;
    354     oxcf->starting_buffer_level_in_ms = cfg.rc_buf_initial_sz;
    355     oxcf->optimal_buffer_level_in_ms  = cfg.rc_buf_optimal_sz;
    356 
    357     oxcf->maximum_buffer_size      = cfg.rc_buf_sz;
    358     oxcf->starting_buffer_level    = cfg.rc_buf_initial_sz;
    359     oxcf->optimal_buffer_level     = cfg.rc_buf_optimal_sz;
    360 
    361     oxcf->two_pass_vbrbias         = cfg.rc_2pass_vbr_bias_pct;
    362     oxcf->two_pass_vbrmin_section  = cfg.rc_2pass_vbr_minsection_pct;
    363     oxcf->two_pass_vbrmax_section  = cfg.rc_2pass_vbr_maxsection_pct;
    364 
    365     oxcf->auto_key                 = cfg.kf_mode == VPX_KF_AUTO
    366                                        && cfg.kf_min_dist != cfg.kf_max_dist;
    367     oxcf->key_freq                 = cfg.kf_max_dist;
    368 
    369     oxcf->number_of_layers         = cfg.ts_number_layers;
    370     oxcf->periodicity              = cfg.ts_periodicity;
    371 
    372     if (oxcf->number_of_layers > 1)
    373     {
    374         memcpy (oxcf->target_bitrate, cfg.ts_target_bitrate,
    375                           sizeof(cfg.ts_target_bitrate));
    376         memcpy (oxcf->rate_decimator, cfg.ts_rate_decimator,
    377                           sizeof(cfg.ts_rate_decimator));
    378         memcpy (oxcf->layer_id, cfg.ts_layer_id, sizeof(cfg.ts_layer_id));
    379     }
    380 
    381 #if CONFIG_MULTI_RES_ENCODING
    382     /* When mr_cfg is NULL, oxcf->mr_total_resolutions and oxcf->mr_encoder_id
    383      * are both memset to 0, which ensures the correct logic under this
    384      * situation.
    385      */
    386     if(mr_cfg)
    387     {
    388         oxcf->mr_total_resolutions        = mr_cfg->mr_total_resolutions;
    389         oxcf->mr_encoder_id               = mr_cfg->mr_encoder_id;
    390         oxcf->mr_down_sampling_factor.num = mr_cfg->mr_down_sampling_factor.num;
    391         oxcf->mr_down_sampling_factor.den = mr_cfg->mr_down_sampling_factor.den;
    392         oxcf->mr_low_res_mode_info        = mr_cfg->mr_low_res_mode_info;
    393     }
    394 #endif
    395 
    396     oxcf->cpu_used               = vp8_cfg.cpu_used;
    397     oxcf->encode_breakout        = vp8_cfg.static_thresh;
    398     oxcf->play_alternate         = vp8_cfg.enable_auto_alt_ref;
    399     oxcf->noise_sensitivity      = vp8_cfg.noise_sensitivity;
    400     oxcf->Sharpness              = vp8_cfg.Sharpness;
    401     oxcf->token_partitions       = vp8_cfg.token_partitions;
    402 
    403     oxcf->two_pass_stats_in      = cfg.rc_twopass_stats_in;
    404     oxcf->output_pkt_list        = vp8_cfg.pkt_list;
    405 
    406     oxcf->arnr_max_frames        = vp8_cfg.arnr_max_frames;
    407     oxcf->arnr_strength          = vp8_cfg.arnr_strength;
    408     oxcf->arnr_type              = vp8_cfg.arnr_type;
    409 
    410     oxcf->tuning                 = vp8_cfg.tuning;
    411 
    412     /*
    413         printf("Current VP8 Settings: \n");
    414         printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
    415         printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
    416         printf("Sharpness: %d\n",    oxcf->Sharpness);
    417         printf("cpu_used: %d\n",  oxcf->cpu_used);
    418         printf("Mode: %d\n",     oxcf->Mode);
    419         printf("auto_key: %d\n",  oxcf->auto_key);
    420         printf("key_freq: %d\n", oxcf->key_freq);
    421         printf("end_usage: %d\n", oxcf->end_usage);
    422         printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
    423         printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
    424         printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
    425         printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
    426         printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
    427         printf("fixed_q: %d\n",  oxcf->fixed_q);
    428         printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
    429         printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
    430         printf("allow_spatial_resampling: %d\n",  oxcf->allow_spatial_resampling);
    431         printf("resample_down_water_mark: %d\n", oxcf->resample_down_water_mark);
    432         printf("resample_up_water_mark: %d\n", oxcf->resample_up_water_mark);
    433         printf("allow_df: %d\n", oxcf->allow_df);
    434         printf("drop_frames_water_mark: %d\n", oxcf->drop_frames_water_mark);
    435         printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
    436         printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
    437         printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
    438         printf("allow_lag: %d\n", oxcf->allow_lag);
    439         printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
    440         printf("play_alternate: %d\n", oxcf->play_alternate);
    441         printf("Version: %d\n", oxcf->Version);
    442         printf("multi_threaded: %d\n",   oxcf->multi_threaded);
    443         printf("encode_breakout: %d\n", oxcf->encode_breakout);
    444     */
    445     return VPX_CODEC_OK;
    446 }
    447 
    448 static vpx_codec_err_t vp8e_set_config(vpx_codec_alg_priv_t       *ctx,
    449                                        const vpx_codec_enc_cfg_t  *cfg)
    450 {
    451     vpx_codec_err_t res;
    452 
    453     if (((cfg->g_w != ctx->cfg.g_w) || (cfg->g_h != ctx->cfg.g_h))
    454         && (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS))
    455         ERROR("Cannot change width or height after initialization");
    456 
    457     /* Prevent increasing lag_in_frames. This check is stricter than it needs
    458      * to be -- the limit is not increasing past the first lag_in_frames
    459      * value, but we don't track the initial config, only the last successful
    460      * config.
    461      */
    462     if ((cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames))
    463         ERROR("Cannot increase lag_in_frames");
    464 
    465     res = validate_config(ctx, cfg, &ctx->vp8_cfg, 0);
    466 
    467     if (!res)
    468     {
    469         ctx->cfg = *cfg;
    470         set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
    471         vp8_change_config(ctx->cpi, &ctx->oxcf);
    472     }
    473 
    474     return res;
    475 }
    476 
    477 
    478 int vp8_reverse_trans(int);
    479 
    480 
    481 static vpx_codec_err_t get_param(vpx_codec_alg_priv_t *ctx,
    482                                  int                   ctrl_id,
    483                                  va_list               args)
    484 {
    485     void *arg = va_arg(args, void *);
    486 
    487 #define MAP(id, var) case id: *(RECAST(id, arg)) = var; break
    488 
    489     if (!arg)
    490         return VPX_CODEC_INVALID_PARAM;
    491 
    492     switch (ctrl_id)
    493     {
    494         MAP(VP8E_GET_LAST_QUANTIZER, vp8_get_quantizer(ctx->cpi));
    495         MAP(VP8E_GET_LAST_QUANTIZER_64, vp8_reverse_trans(vp8_get_quantizer(ctx->cpi)));
    496     }
    497 
    498     return VPX_CODEC_OK;
    499 #undef MAP
    500 }
    501 
    502 
    503 static vpx_codec_err_t set_param(vpx_codec_alg_priv_t *ctx,
    504                                  int                   ctrl_id,
    505                                  va_list               args)
    506 {
    507     vpx_codec_err_t     res  = VPX_CODEC_OK;
    508     struct vp8_extracfg xcfg = ctx->vp8_cfg;
    509 
    510 #define MAP(id, var) case id: var = CAST(id, args); break;
    511 
    512     switch (ctrl_id)
    513     {
    514         MAP(VP8E_SET_CPUUSED,               xcfg.cpu_used);
    515         MAP(VP8E_SET_ENABLEAUTOALTREF,      xcfg.enable_auto_alt_ref);
    516         MAP(VP8E_SET_NOISE_SENSITIVITY,     xcfg.noise_sensitivity);
    517         MAP(VP8E_SET_SHARPNESS,             xcfg.Sharpness);
    518         MAP(VP8E_SET_STATIC_THRESHOLD,      xcfg.static_thresh);
    519         MAP(VP8E_SET_TOKEN_PARTITIONS,      xcfg.token_partitions);
    520 
    521         MAP(VP8E_SET_ARNR_MAXFRAMES,        xcfg.arnr_max_frames);
    522         MAP(VP8E_SET_ARNR_STRENGTH ,        xcfg.arnr_strength);
    523         MAP(VP8E_SET_ARNR_TYPE     ,        xcfg.arnr_type);
    524         MAP(VP8E_SET_TUNING,                xcfg.tuning);
    525         MAP(VP8E_SET_CQ_LEVEL,              xcfg.cq_level);
    526         MAP(VP8E_SET_MAX_INTRA_BITRATE_PCT, xcfg.rc_max_intra_bitrate_pct);
    527 
    528     }
    529 
    530     res = validate_config(ctx, &ctx->cfg, &xcfg, 0);
    531 
    532     if (!res)
    533     {
    534         ctx->vp8_cfg = xcfg;
    535         set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
    536         vp8_change_config(ctx->cpi, &ctx->oxcf);
    537     }
    538 
    539     return res;
    540 #undef MAP
    541 }
    542 
    543 static vpx_codec_err_t vp8e_mr_alloc_mem(const vpx_codec_enc_cfg_t *cfg,
    544                                         void **mem_loc)
    545 {
    546     vpx_codec_err_t res = 0;
    547     (void)cfg;
    548     (void)mem_loc;
    549 #if CONFIG_MULTI_RES_ENCODING
    550     LOWER_RES_FRAME_INFO *shared_mem_loc;
    551     int mb_rows = ((cfg->g_w + 15) >>4);
    552     int mb_cols = ((cfg->g_h + 15) >>4);
    553 
    554     shared_mem_loc = calloc(1, sizeof(LOWER_RES_FRAME_INFO));
    555     if(!shared_mem_loc)
    556     {
    557         res = VPX_CODEC_MEM_ERROR;
    558     }
    559 
    560     shared_mem_loc->mb_info = calloc(mb_rows*mb_cols, sizeof(LOWER_RES_MB_INFO));
    561     if(!(shared_mem_loc->mb_info))
    562     {
    563         res = VPX_CODEC_MEM_ERROR;
    564     }
    565     else
    566     {
    567         *mem_loc = (void *)shared_mem_loc;
    568         res = VPX_CODEC_OK;
    569     }
    570 #endif
    571     return res;
    572 }
    573 
    574 static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx,
    575                                  vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
    576 {
    577     vpx_codec_err_t        res = VPX_CODEC_OK;
    578     struct vpx_codec_alg_priv *priv;
    579     vpx_codec_enc_cfg_t       *cfg;
    580     unsigned int               i;
    581 
    582     struct VP8_COMP *optr;
    583 
    584     vp8_rtcd();
    585 
    586     if (!ctx->priv)
    587     {
    588         priv = calloc(1, sizeof(struct vpx_codec_alg_priv));
    589 
    590         if (!priv)
    591         {
    592             return VPX_CODEC_MEM_ERROR;
    593         }
    594 
    595         ctx->priv = &priv->base;
    596         ctx->priv->sz = sizeof(*ctx->priv);
    597         ctx->priv->iface = ctx->iface;
    598         ctx->priv->alg_priv = priv;
    599         ctx->priv->init_flags = ctx->init_flags;
    600 
    601         if (ctx->config.enc)
    602         {
    603             /* Update the reference to the config structure to an
    604              * internal copy.
    605              */
    606             ctx->priv->alg_priv->cfg = *ctx->config.enc;
    607             ctx->config.enc = &ctx->priv->alg_priv->cfg;
    608         }
    609 
    610         cfg =  &ctx->priv->alg_priv->cfg;
    611 
    612         /* Select the extra vp8 configuration table based on the current
    613          * usage value. If the current usage value isn't found, use the
    614          * values for usage case 0.
    615          */
    616         for (i = 0;
    617              extracfg_map[i].usage && extracfg_map[i].usage != (int32_t)cfg->g_usage;
    618              i++);
    619 
    620         priv->vp8_cfg = extracfg_map[i].cfg;
    621         priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
    622 
    623         priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
    624 
    625         if (priv->cx_data_sz < 32768) priv->cx_data_sz = 32768;
    626 
    627         priv->cx_data = malloc(priv->cx_data_sz);
    628 
    629         if (!priv->cx_data)
    630         {
    631             return VPX_CODEC_MEM_ERROR;
    632         }
    633 
    634         if(mr_cfg)
    635             ctx->priv->enc.total_encoders   = mr_cfg->mr_total_resolutions;
    636         else
    637             ctx->priv->enc.total_encoders   = 1;
    638 
    639         res = validate_config(priv, &priv->cfg, &priv->vp8_cfg, 0);
    640 
    641         if (!res)
    642         {
    643             set_vp8e_config(&ctx->priv->alg_priv->oxcf,
    644                              ctx->priv->alg_priv->cfg,
    645                              ctx->priv->alg_priv->vp8_cfg,
    646                              mr_cfg);
    647 
    648             optr = vp8_create_compressor(&ctx->priv->alg_priv->oxcf);
    649 
    650             if (!optr)
    651                 res = VPX_CODEC_MEM_ERROR;
    652             else
    653                 ctx->priv->alg_priv->cpi = optr;
    654         }
    655     }
    656 
    657     return res;
    658 }
    659 
    660 static vpx_codec_err_t vp8e_destroy(vpx_codec_alg_priv_t *ctx)
    661 {
    662 #if CONFIG_MULTI_RES_ENCODING
    663     /* Free multi-encoder shared memory */
    664     if (ctx->oxcf.mr_total_resolutions > 0 && (ctx->oxcf.mr_encoder_id == ctx->oxcf.mr_total_resolutions-1))
    665     {
    666         LOWER_RES_FRAME_INFO *shared_mem_loc = (LOWER_RES_FRAME_INFO *)ctx->oxcf.mr_low_res_mode_info;
    667         free(shared_mem_loc->mb_info);
    668         free(ctx->oxcf.mr_low_res_mode_info);
    669     }
    670 #endif
    671 
    672     free(ctx->cx_data);
    673     vp8_remove_compressor(&ctx->cpi);
    674     free(ctx);
    675     return VPX_CODEC_OK;
    676 }
    677 
    678 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
    679                                        YV12_BUFFER_CONFIG  *yv12)
    680 {
    681     vpx_codec_err_t        res = VPX_CODEC_OK;
    682     yv12->y_buffer = img->planes[VPX_PLANE_Y];
    683     yv12->u_buffer = img->planes[VPX_PLANE_U];
    684     yv12->v_buffer = img->planes[VPX_PLANE_V];
    685 
    686     yv12->y_crop_width  = img->d_w;
    687     yv12->y_crop_height = img->d_h;
    688     yv12->y_width  = img->d_w;
    689     yv12->y_height = img->d_h;
    690     yv12->uv_width = (1 + yv12->y_width) / 2;
    691     yv12->uv_height = (1 + yv12->y_height) / 2;
    692 
    693     yv12->y_stride = img->stride[VPX_PLANE_Y];
    694     yv12->uv_stride = img->stride[VPX_PLANE_U];
    695 
    696     yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
    697     return res;
    698 }
    699 
    700 static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
    701                                     unsigned long          duration,
    702                                     unsigned long          deadline)
    703 {
    704     unsigned int new_qc;
    705 
    706 #if !(CONFIG_REALTIME_ONLY)
    707     /* Use best quality mode if no deadline is given. */
    708     new_qc = MODE_BESTQUALITY;
    709 
    710     if (deadline)
    711     {
    712         uint64_t     duration_us;
    713 
    714         /* Convert duration parameter from stream timebase to microseconds */
    715         duration_us = (uint64_t)duration * 1000000
    716                       * (uint64_t)ctx->cfg.g_timebase.num
    717                       / (uint64_t)ctx->cfg.g_timebase.den;
    718 
    719         /* If the deadline is more that the duration this frame is to be shown,
    720          * use good quality mode. Otherwise use realtime mode.
    721          */
    722         new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
    723     }
    724 
    725 #else
    726     new_qc = MODE_REALTIME;
    727 #endif
    728 
    729     if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS)
    730         new_qc = MODE_FIRSTPASS;
    731     else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS)
    732         new_qc = (new_qc == MODE_BESTQUALITY)
    733                  ? MODE_SECONDPASS_BEST
    734                  : MODE_SECONDPASS;
    735 
    736     if (ctx->oxcf.Mode != (int32_t)new_qc)
    737     {
    738         ctx->oxcf.Mode = new_qc;
    739         vp8_change_config(ctx->cpi, &ctx->oxcf);
    740     }
    741 }
    742 
    743 
    744 static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t  *ctx,
    745                                    const vpx_image_t     *img,
    746                                    vpx_codec_pts_t        pts,
    747                                    unsigned long          duration,
    748                                    vpx_enc_frame_flags_t  flags,
    749                                    unsigned long          deadline)
    750 {
    751     vpx_codec_err_t res = VPX_CODEC_OK;
    752 
    753     if (!ctx->cfg.rc_target_bitrate)
    754         return res;
    755 
    756     if (img)
    757         res = validate_img(ctx, img);
    758 
    759     if (!res)
    760         res = validate_config(ctx, &ctx->cfg, &ctx->vp8_cfg, 1);
    761 
    762     pick_quickcompress_mode(ctx, duration, deadline);
    763     vpx_codec_pkt_list_init(&ctx->pkt_list);
    764 
    765     /* Handle Flags */
    766     if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF))
    767         || ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF)))
    768     {
    769         ctx->base.err_detail = "Conflicting flags.";
    770         return VPX_CODEC_INVALID_PARAM;
    771     }
    772 
    773     if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF
    774                  | VP8_EFLAG_NO_REF_ARF))
    775     {
    776         int ref = 7;
    777 
    778         if (flags & VP8_EFLAG_NO_REF_LAST)
    779             ref ^= VP8_LAST_FRAME;
    780 
    781         if (flags & VP8_EFLAG_NO_REF_GF)
    782             ref ^= VP8_GOLD_FRAME;
    783 
    784         if (flags & VP8_EFLAG_NO_REF_ARF)
    785             ref ^= VP8_ALTR_FRAME;
    786 
    787         vp8_use_as_reference(ctx->cpi, ref);
    788     }
    789 
    790     if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF
    791                  | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF
    792                  | VP8_EFLAG_FORCE_ARF))
    793     {
    794         int upd = 7;
    795 
    796         if (flags & VP8_EFLAG_NO_UPD_LAST)
    797             upd ^= VP8_LAST_FRAME;
    798 
    799         if (flags & VP8_EFLAG_NO_UPD_GF)
    800             upd ^= VP8_GOLD_FRAME;
    801 
    802         if (flags & VP8_EFLAG_NO_UPD_ARF)
    803             upd ^= VP8_ALTR_FRAME;
    804 
    805         vp8_update_reference(ctx->cpi, upd);
    806     }
    807 
    808     if (flags & VP8_EFLAG_NO_UPD_ENTROPY)
    809     {
    810         vp8_update_entropy(ctx->cpi, 0);
    811     }
    812 
    813     /* Handle fixed keyframe intervals */
    814     if (ctx->cfg.kf_mode == VPX_KF_AUTO
    815         && ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist)
    816     {
    817         if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist)
    818         {
    819             flags |= VPX_EFLAG_FORCE_KF;
    820             ctx->fixed_kf_cntr = 1;
    821         }
    822     }
    823 
    824     /* Initialize the encoder instance on the first frame*/
    825     if (!res && ctx->cpi)
    826     {
    827         unsigned int lib_flags;
    828         YV12_BUFFER_CONFIG sd;
    829         int64_t dst_time_stamp, dst_end_time_stamp;
    830         unsigned long size, cx_data_sz;
    831         unsigned char *cx_data;
    832         unsigned char *cx_data_end;
    833         int comp_data_state = 0;
    834 
    835         /* Set up internal flags */
    836         if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
    837             ((VP8_COMP *)ctx->cpi)->b_calculate_psnr = 1;
    838 
    839         if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION)
    840             ((VP8_COMP *)ctx->cpi)->output_partition = 1;
    841 
    842         /* Convert API flags to internal codec lib flags */
    843         lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
    844 
    845         /* vp8 use 10,000,000 ticks/second as time stamp */
    846         dst_time_stamp    = pts * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
    847         dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
    848 
    849         if (img != NULL)
    850         {
    851             res = image2yuvconfig(img, &sd);
    852 
    853             if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
    854                                       &sd, dst_time_stamp, dst_end_time_stamp))
    855             {
    856                 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
    857                 res = update_error_state(ctx, &cpi->common.error);
    858             }
    859 
    860             /* reset for next frame */
    861             ctx->next_frame_flag = 0;
    862         }
    863 
    864         cx_data = ctx->cx_data;
    865         cx_data_sz = ctx->cx_data_sz;
    866         cx_data_end = ctx->cx_data + cx_data_sz;
    867         lib_flags = 0;
    868 
    869         while (cx_data_sz >= ctx->cx_data_sz / 2)
    870         {
    871             comp_data_state = vp8_get_compressed_data(ctx->cpi,
    872                                                   &lib_flags,
    873                                                   &size,
    874                                                   cx_data,
    875                                                   cx_data_end,
    876                                                   &dst_time_stamp,
    877                                                   &dst_end_time_stamp,
    878                                                   !img);
    879 
    880             if(comp_data_state == VPX_CODEC_CORRUPT_FRAME)
    881                 return VPX_CODEC_CORRUPT_FRAME;
    882             else if(comp_data_state == -1)
    883                 break;
    884 
    885             if (size)
    886             {
    887                 vpx_codec_pts_t    round, delta;
    888                 vpx_codec_cx_pkt_t pkt;
    889                 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
    890 
    891                 /* Add the frame packet to the list of returned packets. */
    892                 round = (vpx_codec_pts_t)1000000
    893                         * ctx->cfg.g_timebase.num / 2 - 1;
    894                 delta = (dst_end_time_stamp - dst_time_stamp);
    895                 pkt.kind = VPX_CODEC_CX_FRAME_PKT;
    896                 pkt.data.frame.pts =
    897                     (dst_time_stamp * ctx->cfg.g_timebase.den + round)
    898                     / ctx->cfg.g_timebase.num / 10000000;
    899                 pkt.data.frame.duration = (unsigned long)
    900                     ((delta * ctx->cfg.g_timebase.den + round)
    901                     / ctx->cfg.g_timebase.num / 10000000);
    902                 pkt.data.frame.flags = lib_flags << 16;
    903 
    904                 if (lib_flags & FRAMEFLAGS_KEY)
    905                     pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
    906 
    907                 if (!cpi->common.show_frame)
    908                 {
    909                     pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
    910 
    911                     /* This timestamp should be as close as possible to the
    912                      * prior PTS so that if a decoder uses pts to schedule when
    913                      * to do this, we start right after last frame was decoded.
    914                      * Invisible frames have no duration.
    915                      */
    916                     pkt.data.frame.pts = ((cpi->last_time_stamp_seen
    917                         * ctx->cfg.g_timebase.den + round)
    918                         / ctx->cfg.g_timebase.num / 10000000) + 1;
    919                     pkt.data.frame.duration = 0;
    920                 }
    921 
    922                 if (cpi->droppable)
    923                     pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;
    924 
    925                 if (cpi->output_partition)
    926                 {
    927                     int i;
    928                     const int num_partitions =
    929                             (1 << cpi->common.multi_token_partition) + 1;
    930 
    931                     pkt.data.frame.flags |= VPX_FRAME_IS_FRAGMENT;
    932 
    933                     for (i = 0; i < num_partitions; ++i)
    934                     {
    935 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
    936                         pkt.data.frame.buf = cpi->partition_d[i];
    937 #else
    938                         pkt.data.frame.buf = cx_data;
    939                         cx_data += cpi->partition_sz[i];
    940                         cx_data_sz -= cpi->partition_sz[i];
    941 #endif
    942                         pkt.data.frame.sz = cpi->partition_sz[i];
    943                         pkt.data.frame.partition_id = i;
    944                         /* don't set the fragment bit for the last partition */
    945                         if (i == (num_partitions - 1))
    946                             pkt.data.frame.flags &= ~VPX_FRAME_IS_FRAGMENT;
    947                         vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
    948                     }
    949 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
    950                     /* In lagged mode the encoder can buffer multiple frames.
    951                      * We don't want this in partitioned output because
    952                      * partitions are spread all over the output buffer.
    953                      * So, force an exit!
    954                      */
    955                     cx_data_sz -= ctx->cx_data_sz / 2;
    956 #endif
    957                 }
    958                 else
    959                 {
    960                     pkt.data.frame.buf = cx_data;
    961                     pkt.data.frame.sz  = size;
    962                     pkt.data.frame.partition_id = -1;
    963                     vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
    964                     cx_data += size;
    965                     cx_data_sz -= size;
    966                 }
    967             }
    968         }
    969     }
    970 
    971     return res;
    972 }
    973 
    974 
    975 static const vpx_codec_cx_pkt_t *vp8e_get_cxdata(vpx_codec_alg_priv_t  *ctx,
    976         vpx_codec_iter_t      *iter)
    977 {
    978     return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
    979 }
    980 
    981 static vpx_codec_err_t vp8e_set_reference(vpx_codec_alg_priv_t *ctx,
    982         int ctr_id,
    983         va_list args)
    984 {
    985     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
    986     (void)ctr_id;
    987     if (data)
    988     {
    989         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
    990         YV12_BUFFER_CONFIG sd;
    991 
    992         image2yuvconfig(&frame->img, &sd);
    993         vp8_set_reference(ctx->cpi, frame->frame_type, &sd);
    994         return VPX_CODEC_OK;
    995     }
    996     else
    997         return VPX_CODEC_INVALID_PARAM;
    998 
    999 }
   1000 
   1001 static vpx_codec_err_t vp8e_get_reference(vpx_codec_alg_priv_t *ctx,
   1002         int ctr_id,
   1003         va_list args)
   1004 {
   1005 
   1006     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
   1007     (void)ctr_id;
   1008     if (data)
   1009     {
   1010         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
   1011         YV12_BUFFER_CONFIG sd;
   1012 
   1013         image2yuvconfig(&frame->img, &sd);
   1014         vp8_get_reference(ctx->cpi, frame->frame_type, &sd);
   1015         return VPX_CODEC_OK;
   1016     }
   1017     else
   1018         return VPX_CODEC_INVALID_PARAM;
   1019 }
   1020 
   1021 static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
   1022         int ctr_id,
   1023         va_list args)
   1024 {
   1025 #if CONFIG_POSTPROC
   1026     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
   1027     (void)ctr_id;
   1028 
   1029     if (data)
   1030     {
   1031         ctx->preview_ppcfg = *((vp8_postproc_cfg_t *)data);
   1032         return VPX_CODEC_OK;
   1033     }
   1034     else
   1035         return VPX_CODEC_INVALID_PARAM;
   1036 #else
   1037     (void)ctx;
   1038     (void)ctr_id;
   1039     (void)args;
   1040     return VPX_CODEC_INCAPABLE;
   1041 #endif
   1042 }
   1043 
   1044 
   1045 static vpx_image_t *vp8e_get_preview(vpx_codec_alg_priv_t *ctx)
   1046 {
   1047 
   1048     YV12_BUFFER_CONFIG sd;
   1049     vp8_ppflags_t flags = {0};
   1050 
   1051     if (ctx->preview_ppcfg.post_proc_flag)
   1052     {
   1053         flags.post_proc_flag        = ctx->preview_ppcfg.post_proc_flag;
   1054         flags.deblocking_level      = ctx->preview_ppcfg.deblocking_level;
   1055         flags.noise_level           = ctx->preview_ppcfg.noise_level;
   1056     }
   1057 
   1058     if (0 == vp8_get_preview_raw_frame(ctx->cpi, &sd, &flags))
   1059     {
   1060 
   1061         /*
   1062         vpx_img_wrap(&ctx->preview_img, VPX_IMG_FMT_YV12,
   1063             sd.y_width + 2*VP8BORDERINPIXELS,
   1064             sd.y_height + 2*VP8BORDERINPIXELS,
   1065             1,
   1066             sd.buffer_alloc);
   1067         vpx_img_set_rect(&ctx->preview_img,
   1068             VP8BORDERINPIXELS, VP8BORDERINPIXELS,
   1069             sd.y_width, sd.y_height);
   1070             */
   1071 
   1072         ctx->preview_img.bps = 12;
   1073         ctx->preview_img.planes[VPX_PLANE_Y] = sd.y_buffer;
   1074         ctx->preview_img.planes[VPX_PLANE_U] = sd.u_buffer;
   1075         ctx->preview_img.planes[VPX_PLANE_V] = sd.v_buffer;
   1076 
   1077         ctx->preview_img.fmt = VPX_IMG_FMT_I420;
   1078         ctx->preview_img.x_chroma_shift = 1;
   1079         ctx->preview_img.y_chroma_shift = 1;
   1080 
   1081         ctx->preview_img.d_w = sd.y_width;
   1082         ctx->preview_img.d_h = sd.y_height;
   1083         ctx->preview_img.stride[VPX_PLANE_Y] = sd.y_stride;
   1084         ctx->preview_img.stride[VPX_PLANE_U] = sd.uv_stride;
   1085         ctx->preview_img.stride[VPX_PLANE_V] = sd.uv_stride;
   1086         ctx->preview_img.w   = sd.y_width;
   1087         ctx->preview_img.h   = sd.y_height;
   1088 
   1089         return &ctx->preview_img;
   1090     }
   1091     else
   1092         return NULL;
   1093 }
   1094 
   1095 static vpx_codec_err_t vp8e_update_entropy(vpx_codec_alg_priv_t *ctx,
   1096         int ctr_id,
   1097         va_list args)
   1098 {
   1099     int update = va_arg(args, int);
   1100     (void)ctr_id;
   1101     vp8_update_entropy(ctx->cpi, update);
   1102     return VPX_CODEC_OK;
   1103 
   1104 }
   1105 
   1106 static vpx_codec_err_t vp8e_update_reference(vpx_codec_alg_priv_t *ctx,
   1107         int ctr_id,
   1108         va_list args)
   1109 {
   1110     int update = va_arg(args, int);
   1111     (void)ctr_id;
   1112     vp8_update_reference(ctx->cpi, update);
   1113     return VPX_CODEC_OK;
   1114 }
   1115 
   1116 static vpx_codec_err_t vp8e_use_reference(vpx_codec_alg_priv_t *ctx,
   1117         int ctr_id,
   1118         va_list args)
   1119 {
   1120     int reference_flag = va_arg(args, int);
   1121     (void)ctr_id;
   1122     vp8_use_as_reference(ctx->cpi, reference_flag);
   1123     return VPX_CODEC_OK;
   1124 }
   1125 
   1126 static vpx_codec_err_t vp8e_set_roi_map(vpx_codec_alg_priv_t *ctx,
   1127                                         int ctr_id,
   1128                                         va_list args)
   1129 {
   1130     vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *);
   1131     (void)ctr_id;
   1132     if (data)
   1133     {
   1134         vpx_roi_map_t *roi = (vpx_roi_map_t *)data;
   1135 
   1136         if (!vp8_set_roimap(ctx->cpi, roi->roi_map, roi->rows, roi->cols, roi->delta_q, roi->delta_lf, roi->static_threshold))
   1137             return VPX_CODEC_OK;
   1138         else
   1139             return VPX_CODEC_INVALID_PARAM;
   1140     }
   1141     else
   1142         return VPX_CODEC_INVALID_PARAM;
   1143 }
   1144 
   1145 
   1146 static vpx_codec_err_t vp8e_set_activemap(vpx_codec_alg_priv_t *ctx,
   1147         int ctr_id,
   1148         va_list args)
   1149 {
   1150     vpx_active_map_t *data = va_arg(args, vpx_active_map_t *);
   1151     (void)ctr_id;
   1152     if (data)
   1153     {
   1154 
   1155         vpx_active_map_t *map = (vpx_active_map_t *)data;
   1156 
   1157         if (!vp8_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols))
   1158             return VPX_CODEC_OK;
   1159         else
   1160             return VPX_CODEC_INVALID_PARAM;
   1161     }
   1162     else
   1163         return VPX_CODEC_INVALID_PARAM;
   1164 }
   1165 
   1166 static vpx_codec_err_t vp8e_set_scalemode(vpx_codec_alg_priv_t *ctx,
   1167         int ctr_id,
   1168         va_list args)
   1169 {
   1170 
   1171     vpx_scaling_mode_t *data =  va_arg(args, vpx_scaling_mode_t *);
   1172     (void)ctr_id;
   1173     if (data)
   1174     {
   1175         int res;
   1176         vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data ;
   1177         res = vp8_set_internal_size(ctx->cpi,
   1178                                     (VPX_SCALING)scalemode.h_scaling_mode,
   1179                                     (VPX_SCALING)scalemode.v_scaling_mode);
   1180 
   1181         if (!res)
   1182         {
   1183             /*force next frame a key frame to effect scaling mode */
   1184             ctx->next_frame_flag |= FRAMEFLAGS_KEY;
   1185             return VPX_CODEC_OK;
   1186         }
   1187         else
   1188             return VPX_CODEC_INVALID_PARAM;
   1189     }
   1190     else
   1191         return VPX_CODEC_INVALID_PARAM;
   1192 }
   1193 
   1194 
   1195 static vpx_codec_ctrl_fn_map_t vp8e_ctf_maps[] =
   1196 {
   1197     {VP8_SET_REFERENCE,                 vp8e_set_reference},
   1198     {VP8_COPY_REFERENCE,                vp8e_get_reference},
   1199     {VP8_SET_POSTPROC,                  vp8e_set_previewpp},
   1200     {VP8E_UPD_ENTROPY,                  vp8e_update_entropy},
   1201     {VP8E_UPD_REFERENCE,                vp8e_update_reference},
   1202     {VP8E_USE_REFERENCE,                vp8e_use_reference},
   1203     {VP8E_SET_ROI_MAP,                  vp8e_set_roi_map},
   1204     {VP8E_SET_ACTIVEMAP,                vp8e_set_activemap},
   1205     {VP8E_SET_SCALEMODE,                vp8e_set_scalemode},
   1206     {VP8E_SET_CPUUSED,                  set_param},
   1207     {VP8E_SET_NOISE_SENSITIVITY,        set_param},
   1208     {VP8E_SET_ENABLEAUTOALTREF,         set_param},
   1209     {VP8E_SET_SHARPNESS,                set_param},
   1210     {VP8E_SET_STATIC_THRESHOLD,         set_param},
   1211     {VP8E_SET_TOKEN_PARTITIONS,         set_param},
   1212     {VP8E_GET_LAST_QUANTIZER,           get_param},
   1213     {VP8E_GET_LAST_QUANTIZER_64,        get_param},
   1214     {VP8E_SET_ARNR_MAXFRAMES,           set_param},
   1215     {VP8E_SET_ARNR_STRENGTH ,           set_param},
   1216     {VP8E_SET_ARNR_TYPE     ,           set_param},
   1217     {VP8E_SET_TUNING,                   set_param},
   1218     {VP8E_SET_CQ_LEVEL,                 set_param},
   1219     {VP8E_SET_MAX_INTRA_BITRATE_PCT,    set_param},
   1220     { -1, NULL},
   1221 };
   1222 
   1223 static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] =
   1224 {
   1225     {
   1226     0,
   1227     {
   1228         0,                  /* g_usage */
   1229         0,                  /* g_threads */
   1230         0,                  /* g_profile */
   1231 
   1232         320,                /* g_width */
   1233         240,                /* g_height */
   1234         {1, 30},            /* g_timebase */
   1235 
   1236         0,                  /* g_error_resilient */
   1237 
   1238         VPX_RC_ONE_PASS,    /* g_pass */
   1239 
   1240         0,                  /* g_lag_in_frames */
   1241 
   1242         0,                  /* rc_dropframe_thresh */
   1243         0,                  /* rc_resize_allowed */
   1244         60,                 /* rc_resize_down_thresold */
   1245         30,                 /* rc_resize_up_thresold */
   1246 
   1247         VPX_VBR,            /* rc_end_usage */
   1248 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
   1249         {0},                /* rc_twopass_stats_in */
   1250 #endif
   1251         256,                /* rc_target_bandwidth */
   1252         4,                  /* rc_min_quantizer */
   1253         63,                 /* rc_max_quantizer */
   1254         100,                /* rc_undershoot_pct */
   1255         100,                /* rc_overshoot_pct */
   1256 
   1257         6000,               /* rc_max_buffer_size */
   1258         4000,               /* rc_buffer_initial_size; */
   1259         5000,               /* rc_buffer_optimal_size; */
   1260 
   1261         50,                 /* rc_two_pass_vbrbias  */
   1262         0,                  /* rc_two_pass_vbrmin_section */
   1263         400,                /* rc_two_pass_vbrmax_section */
   1264 
   1265         /* keyframing settings (kf) */
   1266         VPX_KF_AUTO,        /* g_kfmode*/
   1267         0,                  /* kf_min_dist */
   1268         128,                /* kf_max_dist */
   1269 
   1270 #if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
   1271         "vp8.fpf"           /* first pass filename */
   1272 #endif
   1273         VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
   1274         {0},                /* ss_target_bitrate */
   1275         1,                  /* ts_number_layers */
   1276         {0},                /* ts_target_bitrate */
   1277         {0},                /* ts_rate_decimator */
   1278         0,                  /* ts_periodicity */
   1279         {0},                /* ts_layer_id */
   1280     }},
   1281     { -1, {NOT_IMPLEMENTED}}
   1282 };
   1283 
   1284 
   1285 #ifndef VERSION_STRING
   1286 #define VERSION_STRING
   1287 #endif
   1288 CODEC_INTERFACE(vpx_codec_vp8_cx) =
   1289 {
   1290     "WebM Project VP8 Encoder" VERSION_STRING,
   1291     VPX_CODEC_INTERNAL_ABI_VERSION,
   1292     VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR |
   1293     VPX_CODEC_CAP_OUTPUT_PARTITION,
   1294     /* vpx_codec_caps_t          caps; */
   1295     vp8e_init,          /* vpx_codec_init_fn_t       init; */
   1296     vp8e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
   1297     vp8e_ctf_maps,      /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
   1298     NOT_IMPLEMENTED,    /* vpx_codec_get_mmap_fn_t   get_mmap; */
   1299     NOT_IMPLEMENTED,    /* vpx_codec_set_mmap_fn_t   set_mmap; */
   1300     {
   1301         NOT_IMPLEMENTED,    /* vpx_codec_peek_si_fn_t    peek_si; */
   1302         NOT_IMPLEMENTED,    /* vpx_codec_get_si_fn_t     get_si; */
   1303         NOT_IMPLEMENTED,    /* vpx_codec_decode_fn_t     decode; */
   1304         NOT_IMPLEMENTED,    /* vpx_codec_frame_get_fn_t  frame_get; */
   1305         NOT_IMPLEMENTED,    /*vpx_codec_frame_set_fn_t set_fb_fn*/
   1306     },
   1307     {
   1308         vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
   1309         vp8e_encode,        /* vpx_codec_encode_fn_t      encode; */
   1310         vp8e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
   1311         vp8e_set_config,
   1312         NOT_IMPLEMENTED,
   1313         vp8e_get_preview,
   1314         vp8e_mr_alloc_mem,
   1315     } /* encoder functions */
   1316 };
   1317