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 "./vpx_config.h"
13#include "vp8_rtcd.h"
14#include "vpx/vpx_codec.h"
15#include "vpx/internal/vpx_codec_internal.h"
16#include "vpx_version.h"
17#include "vpx_mem/vpx_mem.h"
18#include "vp8/encoder/onyx_int.h"
19#include "vpx/vp8cx.h"
20#include "vp8/encoder/firstpass.h"
21#include "vp8/common/onyx.h"
22#include <stdlib.h>
23#include <string.h>
24
25struct vp8_extracfg
26{
27    struct vpx_codec_pkt_list *pkt_list;
28    int                         cpu_used;                    /** available cpu percentage in 1/16*/
29    unsigned int                enable_auto_alt_ref;           /** if encoder decides to uses alternate reference frame */
30    unsigned int                noise_sensitivity;
31    unsigned int                Sharpness;
32    unsigned int                static_thresh;
33    unsigned int                token_partitions;
34    unsigned int                arnr_max_frames;    /* alt_ref Noise Reduction Max Frame Count */
35    unsigned int                arnr_strength;    /* alt_ref Noise Reduction Strength */
36    unsigned int                arnr_type;        /* alt_ref filter type */
37    vp8e_tuning                 tuning;
38    unsigned int                cq_level;         /* constrained quality level */
39    unsigned int                rc_max_intra_bitrate_pct;
40
41};
42
43static struct vp8_extracfg default_extracfg = {
44  NULL,
45#if !(CONFIG_REALTIME_ONLY)
46  0,                          /* cpu_used      */
47#else
48  4,                          /* cpu_used      */
49#endif
50  0,                          /* enable_auto_alt_ref */
51  0,                          /* noise_sensitivity */
52  0,                          /* Sharpness */
53  0,                          /* static_thresh */
54#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
55  VP8_EIGHT_TOKENPARTITION,
56#else
57  VP8_ONE_TOKENPARTITION,     /* token_partitions */
58#endif
59  0,                          /* arnr_max_frames */
60  3,                          /* arnr_strength */
61  3,                          /* arnr_type*/
62  0,                          /* tuning*/
63  10,                         /* cq_level */
64  0,                          /* rc_max_intra_bitrate_pct */
65};
66
67struct vpx_codec_alg_priv
68{
69    vpx_codec_priv_t        base;
70    vpx_codec_enc_cfg_t     cfg;
71    struct vp8_extracfg     vp8_cfg;
72    VP8_CONFIG              oxcf;
73    struct VP8_COMP        *cpi;
74    unsigned char          *cx_data;
75    unsigned int            cx_data_sz;
76    vpx_image_t             preview_img;
77    unsigned int            next_frame_flag;
78    vp8_postproc_cfg_t      preview_ppcfg;
79    /* pkt_list size depends on the maximum number of lagged frames allowed. */
80    vpx_codec_pkt_list_decl(64) pkt_list;
81    unsigned int                fixed_kf_cntr;
82};
83
84
85static vpx_codec_err_t
86update_error_state(vpx_codec_alg_priv_t                 *ctx,
87                   const struct vpx_internal_error_info *error)
88{
89    vpx_codec_err_t res;
90
91    if ((res = error->error_code))
92        ctx->base.err_detail = error->has_detail
93                               ? error->detail
94                               : NULL;
95
96    return res;
97}
98
99
100#undef ERROR
101#define ERROR(str) do {\
102        ctx->base.err_detail = str;\
103        return VPX_CODEC_INVALID_PARAM;\
104    } while(0)
105
106#define RANGE_CHECK(p,memb,lo,hi) do {\
107        if(!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
108            ERROR(#memb " out of range ["#lo".."#hi"]");\
109    } while(0)
110
111#define RANGE_CHECK_HI(p,memb,hi) do {\
112        if(!((p)->memb <= (hi))) \
113            ERROR(#memb " out of range [.."#hi"]");\
114    } while(0)
115
116#define RANGE_CHECK_LO(p,memb,lo) do {\
117        if(!((p)->memb >= (lo))) \
118            ERROR(#memb " out of range ["#lo"..]");\
119    } while(0)
120
121#define RANGE_CHECK_BOOL(p,memb) do {\
122        if(!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
123    } while(0)
124
125static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t      *ctx,
126                                       const vpx_codec_enc_cfg_t *cfg,
127                                       const struct vp8_extracfg *vp8_cfg,
128                                       int                        finalize)
129{
130    RANGE_CHECK(cfg, g_w,                   1, 16383); /* 14 bits available */
131    RANGE_CHECK(cfg, g_h,                   1, 16383); /* 14 bits available */
132    RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
133    RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
134    RANGE_CHECK_HI(cfg, g_profile,          3);
135    RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
136    RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
137    RANGE_CHECK_HI(cfg, g_threads,          64);
138#if CONFIG_REALTIME_ONLY
139    RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
140#elif CONFIG_MULTI_RES_ENCODING
141    if (ctx->base.enc.total_encoders > 1)
142        RANGE_CHECK_HI(cfg, g_lag_in_frames,    0);
143#else
144    RANGE_CHECK_HI(cfg, g_lag_in_frames,    25);
145#endif
146    RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
147    RANGE_CHECK_HI(cfg, rc_undershoot_pct,  1000);
148    RANGE_CHECK_HI(cfg, rc_overshoot_pct,   1000);
149    RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
150    RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
151
152/* TODO: add spatial re-sampling support and frame dropping in
153 * multi-res-encoder.*/
154#if CONFIG_MULTI_RES_ENCODING
155    if (ctx->base.enc.total_encoders > 1)
156        RANGE_CHECK_HI(cfg, rc_resize_allowed,     0);
157#else
158    RANGE_CHECK_BOOL(cfg, rc_resize_allowed);
159#endif
160    RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
161    RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
162    RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
163
164#if CONFIG_REALTIME_ONLY
165    RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
166#elif CONFIG_MULTI_RES_ENCODING
167    if (ctx->base.enc.total_encoders > 1)
168        RANGE_CHECK(cfg,    g_pass,         VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
169#else
170    RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
171#endif
172
173    /* VP8 does not support a lower bound on the keyframe interval in
174     * automatic keyframe placement mode.
175     */
176    if (cfg->kf_mode != VPX_KF_DISABLED && cfg->kf_min_dist != cfg->kf_max_dist
177        && cfg->kf_min_dist > 0)
178        ERROR("kf_min_dist not supported in auto mode, use 0 "
179              "or kf_max_dist instead.");
180
181    RANGE_CHECK_BOOL(vp8_cfg,               enable_auto_alt_ref);
182    RANGE_CHECK(vp8_cfg, cpu_used,           -16, 16);
183
184#if CONFIG_REALTIME_ONLY && !CONFIG_TEMPORAL_DENOISING
185    RANGE_CHECK(vp8_cfg, noise_sensitivity,  0, 0);
186#else
187    RANGE_CHECK_HI(vp8_cfg, noise_sensitivity,  6);
188#endif
189
190    RANGE_CHECK(vp8_cfg, token_partitions,   VP8_ONE_TOKENPARTITION,
191                VP8_EIGHT_TOKENPARTITION);
192    RANGE_CHECK_HI(vp8_cfg, Sharpness,       7);
193    RANGE_CHECK(vp8_cfg, arnr_max_frames, 0, 15);
194    RANGE_CHECK_HI(vp8_cfg, arnr_strength,   6);
195    RANGE_CHECK(vp8_cfg, arnr_type,       1, 3);
196    RANGE_CHECK(vp8_cfg, cq_level, 0, 63);
197    if (finalize && (cfg->rc_end_usage == VPX_CQ || cfg->rc_end_usage == VPX_Q))
198        RANGE_CHECK(vp8_cfg, cq_level,
199                    cfg->rc_min_quantizer, cfg->rc_max_quantizer);
200
201#if !(CONFIG_REALTIME_ONLY)
202    if (cfg->g_pass == VPX_RC_LAST_PASS)
203    {
204        size_t           packet_sz = sizeof(FIRSTPASS_STATS);
205        int              n_packets = (int)(cfg->rc_twopass_stats_in.sz /
206                                          packet_sz);
207        FIRSTPASS_STATS *stats;
208
209        if (!cfg->rc_twopass_stats_in.buf)
210            ERROR("rc_twopass_stats_in.buf not set.");
211
212        if (cfg->rc_twopass_stats_in.sz % packet_sz)
213            ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
214
215        if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
216            ERROR("rc_twopass_stats_in requires at least two packets.");
217
218        stats = (void*)((char *)cfg->rc_twopass_stats_in.buf
219                + (n_packets - 1) * packet_sz);
220
221        if ((int)(stats->count + 0.5) != n_packets - 1)
222            ERROR("rc_twopass_stats_in missing EOS stats packet");
223    }
224#endif
225
226    RANGE_CHECK(cfg, ts_number_layers, 1, 5);
227
228    if (cfg->ts_number_layers > 1)
229    {
230        unsigned int i;
231        RANGE_CHECK_HI(cfg, ts_periodicity, 16);
232
233        for (i=1; i<cfg->ts_number_layers; i++)
234            if (cfg->ts_target_bitrate[i] <= cfg->ts_target_bitrate[i-1])
235                ERROR("ts_target_bitrate entries are not strictly increasing");
236
237        RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers-1], 1, 1);
238        for (i=cfg->ts_number_layers-2; i>0; i--)
239            if (cfg->ts_rate_decimator[i-1] != 2*cfg->ts_rate_decimator[i])
240                ERROR("ts_rate_decimator factors are not powers of 2");
241
242        RANGE_CHECK_HI(cfg, ts_layer_id[i], cfg->ts_number_layers-1);
243    }
244
245#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
246    if(cfg->g_threads > (1 << vp8_cfg->token_partitions))
247        ERROR("g_threads cannot be bigger than number of token partitions");
248#endif
249
250    return VPX_CODEC_OK;
251}
252
253
254static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
255                                    const vpx_image_t    *img)
256{
257    switch (img->fmt)
258    {
259    case VPX_IMG_FMT_YV12:
260    case VPX_IMG_FMT_I420:
261    case VPX_IMG_FMT_VPXI420:
262    case VPX_IMG_FMT_VPXYV12:
263        break;
264    default:
265        ERROR("Invalid image format. Only YV12 and I420 images are supported");
266    }
267
268    if ((img->d_w != ctx->cfg.g_w) || (img->d_h != ctx->cfg.g_h))
269        ERROR("Image size must match encoder init configuration size");
270
271    return VPX_CODEC_OK;
272}
273
274
275static vpx_codec_err_t set_vp8e_config(VP8_CONFIG *oxcf,
276                                       vpx_codec_enc_cfg_t cfg,
277                                       struct vp8_extracfg vp8_cfg,
278                                       vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
279{
280    oxcf->multi_threaded         = cfg.g_threads;
281    oxcf->Version               = cfg.g_profile;
282
283    oxcf->Width                 = cfg.g_w;
284    oxcf->Height                = cfg.g_h;
285    oxcf->timebase              = cfg.g_timebase;
286
287    oxcf->error_resilient_mode = cfg.g_error_resilient;
288
289    switch (cfg.g_pass)
290    {
291    case VPX_RC_ONE_PASS:
292        oxcf->Mode = MODE_BESTQUALITY;
293        break;
294    case VPX_RC_FIRST_PASS:
295        oxcf->Mode = MODE_FIRSTPASS;
296        break;
297    case VPX_RC_LAST_PASS:
298        oxcf->Mode = MODE_SECONDPASS_BEST;
299        break;
300    }
301
302    if (cfg.g_pass == VPX_RC_FIRST_PASS || cfg.g_pass == VPX_RC_ONE_PASS)
303    {
304        oxcf->allow_lag     = 0;
305        oxcf->lag_in_frames = 0;
306    }
307    else
308    {
309        oxcf->allow_lag     = (cfg.g_lag_in_frames) > 0;
310        oxcf->lag_in_frames = cfg.g_lag_in_frames;
311    }
312
313    oxcf->allow_df               = (cfg.rc_dropframe_thresh > 0);
314    oxcf->drop_frames_water_mark   = cfg.rc_dropframe_thresh;
315
316    oxcf->allow_spatial_resampling = cfg.rc_resize_allowed;
317    oxcf->resample_up_water_mark   = cfg.rc_resize_up_thresh;
318    oxcf->resample_down_water_mark = cfg.rc_resize_down_thresh;
319
320    if (cfg.rc_end_usage == VPX_VBR) {
321      oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
322    } else if (cfg.rc_end_usage == VPX_CBR) {
323      oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
324    } else if (cfg.rc_end_usage == VPX_CQ) {
325      oxcf->end_usage = USAGE_CONSTRAINED_QUALITY;
326    } else if (cfg.rc_end_usage == VPX_Q) {
327      oxcf->end_usage = USAGE_CONSTANT_QUALITY;
328    }
329
330    oxcf->target_bandwidth         = cfg.rc_target_bitrate;
331    oxcf->rc_max_intra_bitrate_pct = vp8_cfg.rc_max_intra_bitrate_pct;
332
333    oxcf->best_allowed_q           = cfg.rc_min_quantizer;
334    oxcf->worst_allowed_q          = cfg.rc_max_quantizer;
335    oxcf->cq_level                 = vp8_cfg.cq_level;
336    oxcf->fixed_q = -1;
337
338    oxcf->under_shoot_pct          = cfg.rc_undershoot_pct;
339    oxcf->over_shoot_pct           = cfg.rc_overshoot_pct;
340
341    oxcf->maximum_buffer_size_in_ms   = cfg.rc_buf_sz;
342    oxcf->starting_buffer_level_in_ms = cfg.rc_buf_initial_sz;
343    oxcf->optimal_buffer_level_in_ms  = cfg.rc_buf_optimal_sz;
344
345    oxcf->maximum_buffer_size      = cfg.rc_buf_sz;
346    oxcf->starting_buffer_level    = cfg.rc_buf_initial_sz;
347    oxcf->optimal_buffer_level     = cfg.rc_buf_optimal_sz;
348
349    oxcf->two_pass_vbrbias         = cfg.rc_2pass_vbr_bias_pct;
350    oxcf->two_pass_vbrmin_section  = cfg.rc_2pass_vbr_minsection_pct;
351    oxcf->two_pass_vbrmax_section  = cfg.rc_2pass_vbr_maxsection_pct;
352
353    oxcf->auto_key                 = cfg.kf_mode == VPX_KF_AUTO
354                                       && cfg.kf_min_dist != cfg.kf_max_dist;
355    oxcf->key_freq                 = cfg.kf_max_dist;
356
357    oxcf->number_of_layers         = cfg.ts_number_layers;
358    oxcf->periodicity              = cfg.ts_periodicity;
359
360    if (oxcf->number_of_layers > 1)
361    {
362        memcpy (oxcf->target_bitrate, cfg.ts_target_bitrate,
363                          sizeof(cfg.ts_target_bitrate));
364        memcpy (oxcf->rate_decimator, cfg.ts_rate_decimator,
365                          sizeof(cfg.ts_rate_decimator));
366        memcpy (oxcf->layer_id, cfg.ts_layer_id, sizeof(cfg.ts_layer_id));
367    }
368
369#if CONFIG_MULTI_RES_ENCODING
370    /* When mr_cfg is NULL, oxcf->mr_total_resolutions and oxcf->mr_encoder_id
371     * are both memset to 0, which ensures the correct logic under this
372     * situation.
373     */
374    if(mr_cfg)
375    {
376        oxcf->mr_total_resolutions        = mr_cfg->mr_total_resolutions;
377        oxcf->mr_encoder_id               = mr_cfg->mr_encoder_id;
378        oxcf->mr_down_sampling_factor.num = mr_cfg->mr_down_sampling_factor.num;
379        oxcf->mr_down_sampling_factor.den = mr_cfg->mr_down_sampling_factor.den;
380        oxcf->mr_low_res_mode_info        = mr_cfg->mr_low_res_mode_info;
381    }
382#endif
383
384    oxcf->cpu_used               = vp8_cfg.cpu_used;
385    oxcf->encode_breakout        = vp8_cfg.static_thresh;
386    oxcf->play_alternate         = vp8_cfg.enable_auto_alt_ref;
387    oxcf->noise_sensitivity      = vp8_cfg.noise_sensitivity;
388    oxcf->Sharpness              = vp8_cfg.Sharpness;
389    oxcf->token_partitions       = vp8_cfg.token_partitions;
390
391    oxcf->two_pass_stats_in      = cfg.rc_twopass_stats_in;
392    oxcf->output_pkt_list        = vp8_cfg.pkt_list;
393
394    oxcf->arnr_max_frames        = vp8_cfg.arnr_max_frames;
395    oxcf->arnr_strength          = vp8_cfg.arnr_strength;
396    oxcf->arnr_type              = vp8_cfg.arnr_type;
397
398    oxcf->tuning                 = vp8_cfg.tuning;
399
400    /*
401        printf("Current VP8 Settings: \n");
402        printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
403        printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
404        printf("Sharpness: %d\n",    oxcf->Sharpness);
405        printf("cpu_used: %d\n",  oxcf->cpu_used);
406        printf("Mode: %d\n",     oxcf->Mode);
407        printf("auto_key: %d\n",  oxcf->auto_key);
408        printf("key_freq: %d\n", oxcf->key_freq);
409        printf("end_usage: %d\n", oxcf->end_usage);
410        printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
411        printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
412        printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
413        printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
414        printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
415        printf("fixed_q: %d\n",  oxcf->fixed_q);
416        printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
417        printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
418        printf("allow_spatial_resampling: %d\n",  oxcf->allow_spatial_resampling);
419        printf("resample_down_water_mark: %d\n", oxcf->resample_down_water_mark);
420        printf("resample_up_water_mark: %d\n", oxcf->resample_up_water_mark);
421        printf("allow_df: %d\n", oxcf->allow_df);
422        printf("drop_frames_water_mark: %d\n", oxcf->drop_frames_water_mark);
423        printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
424        printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
425        printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
426        printf("allow_lag: %d\n", oxcf->allow_lag);
427        printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
428        printf("play_alternate: %d\n", oxcf->play_alternate);
429        printf("Version: %d\n", oxcf->Version);
430        printf("multi_threaded: %d\n",   oxcf->multi_threaded);
431        printf("encode_breakout: %d\n", oxcf->encode_breakout);
432    */
433    return VPX_CODEC_OK;
434}
435
436static vpx_codec_err_t vp8e_set_config(vpx_codec_alg_priv_t       *ctx,
437                                       const vpx_codec_enc_cfg_t  *cfg)
438{
439    vpx_codec_err_t res;
440
441    if (((cfg->g_w != ctx->cfg.g_w) || (cfg->g_h != ctx->cfg.g_h))
442        && (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS))
443        ERROR("Cannot change width or height after initialization");
444
445    /* Prevent increasing lag_in_frames. This check is stricter than it needs
446     * to be -- the limit is not increasing past the first lag_in_frames
447     * value, but we don't track the initial config, only the last successful
448     * config.
449     */
450    if ((cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames))
451        ERROR("Cannot increase lag_in_frames");
452
453    res = validate_config(ctx, cfg, &ctx->vp8_cfg, 0);
454
455    if (!res)
456    {
457        ctx->cfg = *cfg;
458        set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
459        vp8_change_config(ctx->cpi, &ctx->oxcf);
460    }
461
462    return res;
463}
464
465int vp8_reverse_trans(int);
466
467static vpx_codec_err_t get_quantizer(vpx_codec_alg_priv_t *ctx, va_list args)
468{
469  int *const arg = va_arg(args, int *);
470  if (arg == NULL)
471    return VPX_CODEC_INVALID_PARAM;
472  *arg = vp8_get_quantizer(ctx->cpi);
473  return VPX_CODEC_OK;
474}
475
476static vpx_codec_err_t get_quantizer64(vpx_codec_alg_priv_t *ctx, va_list args)
477{
478  int *const arg = va_arg(args, int *);
479  if (arg == NULL)
480    return VPX_CODEC_INVALID_PARAM;
481  *arg = vp8_reverse_trans(vp8_get_quantizer(ctx->cpi));
482  return VPX_CODEC_OK;
483}
484
485static vpx_codec_err_t update_extracfg(vpx_codec_alg_priv_t *ctx,
486                                       const struct vp8_extracfg *extra_cfg)
487{
488  const vpx_codec_err_t res = validate_config(ctx, &ctx->cfg, extra_cfg, 0);
489  if (res == VPX_CODEC_OK) {
490    ctx->vp8_cfg = *extra_cfg;
491    set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
492    vp8_change_config(ctx->cpi, &ctx->oxcf);
493  }
494  return res;
495}
496
497static vpx_codec_err_t set_cpu_used(vpx_codec_alg_priv_t *ctx, va_list args)
498{
499  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
500  extra_cfg.cpu_used = CAST(VP8E_SET_CPUUSED, args);
501  return update_extracfg(ctx, &extra_cfg);
502}
503
504static vpx_codec_err_t set_enable_auto_alt_ref(vpx_codec_alg_priv_t *ctx,
505                                               va_list args)
506{
507  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
508  extra_cfg.enable_auto_alt_ref = CAST(VP8E_SET_ENABLEAUTOALTREF, args);
509  return update_extracfg(ctx, &extra_cfg);
510}
511
512static vpx_codec_err_t set_noise_sensitivity(vpx_codec_alg_priv_t *ctx,
513                                             va_list args)
514{
515  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
516  extra_cfg.noise_sensitivity = CAST(VP8E_SET_NOISE_SENSITIVITY, args);
517  return update_extracfg(ctx, &extra_cfg);
518}
519
520static vpx_codec_err_t set_sharpness(vpx_codec_alg_priv_t *ctx, va_list args)
521{
522  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
523  extra_cfg.Sharpness = CAST(VP8E_SET_SHARPNESS, args);
524  return update_extracfg(ctx, &extra_cfg);
525}
526
527static vpx_codec_err_t set_static_thresh(vpx_codec_alg_priv_t *ctx,
528                                         va_list args)
529{
530  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
531  extra_cfg.static_thresh = CAST(VP8E_SET_STATIC_THRESHOLD, args);
532  return update_extracfg(ctx, &extra_cfg);
533}
534
535static vpx_codec_err_t set_token_partitions(vpx_codec_alg_priv_t *ctx,
536                                            va_list args)
537{
538  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
539  extra_cfg.token_partitions = CAST(VP8E_SET_TOKEN_PARTITIONS, args);
540  return update_extracfg(ctx, &extra_cfg);
541}
542
543static vpx_codec_err_t set_arnr_max_frames(vpx_codec_alg_priv_t *ctx,
544                                           va_list args)
545{
546  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
547  extra_cfg.arnr_max_frames = CAST(VP8E_SET_ARNR_MAXFRAMES, args);
548  return update_extracfg(ctx, &extra_cfg);
549}
550
551static vpx_codec_err_t set_arnr_strength(vpx_codec_alg_priv_t *ctx,
552                                         va_list args)
553{
554  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
555  extra_cfg.arnr_strength = CAST(VP8E_SET_ARNR_STRENGTH, args);
556  return update_extracfg(ctx, &extra_cfg);
557}
558
559static vpx_codec_err_t set_arnr_type(vpx_codec_alg_priv_t *ctx, va_list args)
560{
561  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
562  extra_cfg.arnr_type = CAST(VP8E_SET_ARNR_TYPE, args);
563  return update_extracfg(ctx, &extra_cfg);
564}
565
566static vpx_codec_err_t set_tuning(vpx_codec_alg_priv_t *ctx, va_list args)
567{
568  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
569  extra_cfg.tuning = CAST(VP8E_SET_TUNING, args);
570  return update_extracfg(ctx, &extra_cfg);
571}
572
573static vpx_codec_err_t set_cq_level(vpx_codec_alg_priv_t *ctx, va_list args)
574{
575  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
576  extra_cfg.cq_level = CAST(VP8E_SET_CQ_LEVEL, args);
577  return update_extracfg(ctx, &extra_cfg);
578}
579
580static vpx_codec_err_t set_rc_max_intra_bitrate_pct(vpx_codec_alg_priv_t *ctx,
581                                                    va_list args)
582{
583  struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
584  extra_cfg.rc_max_intra_bitrate_pct =
585      CAST(VP8E_SET_MAX_INTRA_BITRATE_PCT, args);
586  return update_extracfg(ctx, &extra_cfg);
587}
588
589static vpx_codec_err_t vp8e_mr_alloc_mem(const vpx_codec_enc_cfg_t *cfg,
590                                        void **mem_loc)
591{
592    vpx_codec_err_t res = 0;
593
594#if CONFIG_MULTI_RES_ENCODING
595    LOWER_RES_FRAME_INFO *shared_mem_loc;
596    int mb_rows = ((cfg->g_w + 15) >>4);
597    int mb_cols = ((cfg->g_h + 15) >>4);
598
599    shared_mem_loc = calloc(1, sizeof(LOWER_RES_FRAME_INFO));
600    if(!shared_mem_loc)
601    {
602        res = VPX_CODEC_MEM_ERROR;
603    }
604
605    shared_mem_loc->mb_info = calloc(mb_rows*mb_cols, sizeof(LOWER_RES_MB_INFO));
606    if(!(shared_mem_loc->mb_info))
607    {
608        res = VPX_CODEC_MEM_ERROR;
609    }
610    else
611    {
612        *mem_loc = (void *)shared_mem_loc;
613        res = VPX_CODEC_OK;
614    }
615#endif
616    return res;
617}
618
619static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx,
620                                 vpx_codec_priv_enc_mr_cfg_t *mr_cfg)
621{
622    vpx_codec_err_t        res = VPX_CODEC_OK;
623
624
625    vp8_rtcd();
626
627    if (!ctx->priv)
628    {
629        struct vpx_codec_alg_priv *priv =
630            (struct vpx_codec_alg_priv *)vpx_calloc(1, sizeof(*priv));
631
632        if (!priv)
633        {
634            return VPX_CODEC_MEM_ERROR;
635        }
636
637        ctx->priv = (vpx_codec_priv_t *)priv;
638        ctx->priv->init_flags = ctx->init_flags;
639
640        if (ctx->config.enc)
641        {
642            /* Update the reference to the config structure to an
643             * internal copy.
644             */
645            priv->cfg = *ctx->config.enc;
646            ctx->config.enc = &priv->cfg;
647        }
648
649        priv->vp8_cfg = default_extracfg;
650        priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
651
652        priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
653
654        if (priv->cx_data_sz < 32768) priv->cx_data_sz = 32768;
655
656        priv->cx_data = malloc(priv->cx_data_sz);
657
658        if (!priv->cx_data)
659        {
660            return VPX_CODEC_MEM_ERROR;
661        }
662
663        if(mr_cfg)
664            ctx->priv->enc.total_encoders   = mr_cfg->mr_total_resolutions;
665        else
666            ctx->priv->enc.total_encoders   = 1;
667
668        res = validate_config(priv, &priv->cfg, &priv->vp8_cfg, 0);
669
670        if (!res)
671        {
672            set_vp8e_config(&priv->oxcf, priv->cfg, priv->vp8_cfg, mr_cfg);
673            priv->cpi = vp8_create_compressor(&priv->oxcf);
674            if (!priv->cpi)
675                res = VPX_CODEC_MEM_ERROR;
676        }
677    }
678
679    return res;
680}
681
682static vpx_codec_err_t vp8e_destroy(vpx_codec_alg_priv_t *ctx)
683{
684#if CONFIG_MULTI_RES_ENCODING
685    /* Free multi-encoder shared memory */
686    if (ctx->oxcf.mr_total_resolutions > 0 && (ctx->oxcf.mr_encoder_id == ctx->oxcf.mr_total_resolutions-1))
687    {
688        LOWER_RES_FRAME_INFO *shared_mem_loc = (LOWER_RES_FRAME_INFO *)ctx->oxcf.mr_low_res_mode_info;
689        free(shared_mem_loc->mb_info);
690        free(ctx->oxcf.mr_low_res_mode_info);
691    }
692#endif
693
694    free(ctx->cx_data);
695    vp8_remove_compressor(&ctx->cpi);
696    vpx_free(ctx);
697    return VPX_CODEC_OK;
698}
699
700static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
701                                       YV12_BUFFER_CONFIG  *yv12)
702{
703    const int y_w = img->d_w;
704    const int y_h = img->d_h;
705    const int uv_w = (img->d_w + 1) / 2;
706    const int uv_h = (img->d_h + 1) / 2;
707    vpx_codec_err_t        res = VPX_CODEC_OK;
708    yv12->y_buffer = img->planes[VPX_PLANE_Y];
709    yv12->u_buffer = img->planes[VPX_PLANE_U];
710    yv12->v_buffer = img->planes[VPX_PLANE_V];
711
712    yv12->y_crop_width  = y_w;
713    yv12->y_crop_height = y_h;
714    yv12->y_width  = y_w;
715    yv12->y_height = y_h;
716    yv12->uv_crop_width = uv_w;
717    yv12->uv_crop_height = uv_h;
718    yv12->uv_width = uv_w;
719    yv12->uv_height = uv_h;
720
721    yv12->y_stride = img->stride[VPX_PLANE_Y];
722    yv12->uv_stride = img->stride[VPX_PLANE_U];
723
724    yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
725    return res;
726}
727
728static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
729                                    unsigned long          duration,
730                                    unsigned long          deadline)
731{
732    unsigned int new_qc;
733
734#if !(CONFIG_REALTIME_ONLY)
735    /* Use best quality mode if no deadline is given. */
736    new_qc = MODE_BESTQUALITY;
737
738    if (deadline)
739    {
740        uint64_t     duration_us;
741
742        /* Convert duration parameter from stream timebase to microseconds */
743        duration_us = (uint64_t)duration * 1000000
744                      * (uint64_t)ctx->cfg.g_timebase.num
745                      / (uint64_t)ctx->cfg.g_timebase.den;
746
747        /* If the deadline is more that the duration this frame is to be shown,
748         * use good quality mode. Otherwise use realtime mode.
749         */
750        new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
751    }
752
753#else
754    new_qc = MODE_REALTIME;
755#endif
756
757    if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS)
758        new_qc = MODE_FIRSTPASS;
759    else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS)
760        new_qc = (new_qc == MODE_BESTQUALITY)
761                 ? MODE_SECONDPASS_BEST
762                 : MODE_SECONDPASS;
763
764    if (ctx->oxcf.Mode != new_qc)
765    {
766        ctx->oxcf.Mode = new_qc;
767        vp8_change_config(ctx->cpi, &ctx->oxcf);
768    }
769}
770
771
772static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t  *ctx,
773                                   const vpx_image_t     *img,
774                                   vpx_codec_pts_t        pts,
775                                   unsigned long          duration,
776                                   vpx_enc_frame_flags_t  flags,
777                                   unsigned long          deadline)
778{
779    vpx_codec_err_t res = VPX_CODEC_OK;
780
781    if (!ctx->cfg.rc_target_bitrate)
782        return res;
783
784    if (img)
785        res = validate_img(ctx, img);
786
787    if (!res)
788        res = validate_config(ctx, &ctx->cfg, &ctx->vp8_cfg, 1);
789
790    pick_quickcompress_mode(ctx, duration, deadline);
791    vpx_codec_pkt_list_init(&ctx->pkt_list);
792
793    /* Handle Flags */
794    if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF))
795        || ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF)))
796    {
797        ctx->base.err_detail = "Conflicting flags.";
798        return VPX_CODEC_INVALID_PARAM;
799    }
800
801    if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF
802                 | VP8_EFLAG_NO_REF_ARF))
803    {
804        int ref = 7;
805
806        if (flags & VP8_EFLAG_NO_REF_LAST)
807            ref ^= VP8_LAST_FRAME;
808
809        if (flags & VP8_EFLAG_NO_REF_GF)
810            ref ^= VP8_GOLD_FRAME;
811
812        if (flags & VP8_EFLAG_NO_REF_ARF)
813            ref ^= VP8_ALTR_FRAME;
814
815        vp8_use_as_reference(ctx->cpi, ref);
816    }
817
818    if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF
819                 | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF
820                 | VP8_EFLAG_FORCE_ARF))
821    {
822        int upd = 7;
823
824        if (flags & VP8_EFLAG_NO_UPD_LAST)
825            upd ^= VP8_LAST_FRAME;
826
827        if (flags & VP8_EFLAG_NO_UPD_GF)
828            upd ^= VP8_GOLD_FRAME;
829
830        if (flags & VP8_EFLAG_NO_UPD_ARF)
831            upd ^= VP8_ALTR_FRAME;
832
833        vp8_update_reference(ctx->cpi, upd);
834    }
835
836    if (flags & VP8_EFLAG_NO_UPD_ENTROPY)
837    {
838        vp8_update_entropy(ctx->cpi, 0);
839    }
840
841    /* Handle fixed keyframe intervals */
842    if (ctx->cfg.kf_mode == VPX_KF_AUTO
843        && ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist)
844    {
845        if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist)
846        {
847            flags |= VPX_EFLAG_FORCE_KF;
848            ctx->fixed_kf_cntr = 1;
849        }
850    }
851
852    /* Initialize the encoder instance on the first frame*/
853    if (!res && ctx->cpi)
854    {
855        unsigned int lib_flags;
856        YV12_BUFFER_CONFIG sd;
857        int64_t dst_time_stamp, dst_end_time_stamp;
858        unsigned long size, cx_data_sz;
859        unsigned char *cx_data;
860        unsigned char *cx_data_end;
861        int comp_data_state = 0;
862
863        /* Set up internal flags */
864        if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
865            ((VP8_COMP *)ctx->cpi)->b_calculate_psnr = 1;
866
867        if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION)
868            ((VP8_COMP *)ctx->cpi)->output_partition = 1;
869
870        /* Convert API flags to internal codec lib flags */
871        lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
872
873        /* vp8 use 10,000,000 ticks/second as time stamp */
874        dst_time_stamp    = pts * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
875        dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
876
877        if (img != NULL)
878        {
879            res = image2yuvconfig(img, &sd);
880
881            if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
882                                      &sd, dst_time_stamp, dst_end_time_stamp))
883            {
884                VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
885                res = update_error_state(ctx, &cpi->common.error);
886            }
887
888            /* reset for next frame */
889            ctx->next_frame_flag = 0;
890        }
891
892        cx_data = ctx->cx_data;
893        cx_data_sz = ctx->cx_data_sz;
894        cx_data_end = ctx->cx_data + cx_data_sz;
895        lib_flags = 0;
896
897        while (cx_data_sz >= ctx->cx_data_sz / 2)
898        {
899            comp_data_state = vp8_get_compressed_data(ctx->cpi,
900                                                  &lib_flags,
901                                                  &size,
902                                                  cx_data,
903                                                  cx_data_end,
904                                                  &dst_time_stamp,
905                                                  &dst_end_time_stamp,
906                                                  !img);
907
908            if(comp_data_state == VPX_CODEC_CORRUPT_FRAME)
909                return VPX_CODEC_CORRUPT_FRAME;
910            else if(comp_data_state == -1)
911                break;
912
913            if (size)
914            {
915                vpx_codec_pts_t    round, delta;
916                vpx_codec_cx_pkt_t pkt;
917                VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
918
919                /* Add the frame packet to the list of returned packets. */
920                round = (vpx_codec_pts_t)10000000
921                        * ctx->cfg.g_timebase.num / 2 - 1;
922                delta = (dst_end_time_stamp - dst_time_stamp);
923                pkt.kind = VPX_CODEC_CX_FRAME_PKT;
924                pkt.data.frame.pts =
925                    (dst_time_stamp * ctx->cfg.g_timebase.den + round)
926                    / ctx->cfg.g_timebase.num / 10000000;
927                pkt.data.frame.duration = (unsigned long)
928                    ((delta * ctx->cfg.g_timebase.den + round)
929                    / ctx->cfg.g_timebase.num / 10000000);
930                pkt.data.frame.flags = lib_flags << 16;
931
932                if (lib_flags & FRAMEFLAGS_KEY)
933                    pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
934
935                if (!cpi->common.show_frame)
936                {
937                    pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
938
939                    /* This timestamp should be as close as possible to the
940                     * prior PTS so that if a decoder uses pts to schedule when
941                     * to do this, we start right after last frame was decoded.
942                     * Invisible frames have no duration.
943                     */
944                    pkt.data.frame.pts = ((cpi->last_time_stamp_seen
945                        * ctx->cfg.g_timebase.den + round)
946                        / ctx->cfg.g_timebase.num / 10000000) + 1;
947                    pkt.data.frame.duration = 0;
948                }
949
950                if (cpi->droppable)
951                    pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;
952
953                if (cpi->output_partition)
954                {
955                    int i;
956                    const int num_partitions =
957                            (1 << cpi->common.multi_token_partition) + 1;
958
959                    pkt.data.frame.flags |= VPX_FRAME_IS_FRAGMENT;
960
961                    for (i = 0; i < num_partitions; ++i)
962                    {
963#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
964                        pkt.data.frame.buf = cpi->partition_d[i];
965#else
966                        pkt.data.frame.buf = cx_data;
967                        cx_data += cpi->partition_sz[i];
968                        cx_data_sz -= cpi->partition_sz[i];
969#endif
970                        pkt.data.frame.sz = cpi->partition_sz[i];
971                        pkt.data.frame.partition_id = i;
972                        /* don't set the fragment bit for the last partition */
973                        if (i == (num_partitions - 1))
974                            pkt.data.frame.flags &= ~VPX_FRAME_IS_FRAGMENT;
975                        vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
976                    }
977#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
978                    /* In lagged mode the encoder can buffer multiple frames.
979                     * We don't want this in partitioned output because
980                     * partitions are spread all over the output buffer.
981                     * So, force an exit!
982                     */
983                    cx_data_sz -= ctx->cx_data_sz / 2;
984#endif
985                }
986                else
987                {
988                    pkt.data.frame.buf = cx_data;
989                    pkt.data.frame.sz  = size;
990                    pkt.data.frame.partition_id = -1;
991                    vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
992                    cx_data += size;
993                    cx_data_sz -= size;
994                }
995            }
996        }
997    }
998
999    return res;
1000}
1001
1002
1003static const vpx_codec_cx_pkt_t *vp8e_get_cxdata(vpx_codec_alg_priv_t  *ctx,
1004        vpx_codec_iter_t      *iter)
1005{
1006    return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
1007}
1008
1009static vpx_codec_err_t vp8e_set_reference(vpx_codec_alg_priv_t *ctx,
1010                                          va_list args)
1011{
1012    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
1013
1014    if (data)
1015    {
1016        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
1017        YV12_BUFFER_CONFIG sd;
1018
1019        image2yuvconfig(&frame->img, &sd);
1020        vp8_set_reference(ctx->cpi, frame->frame_type, &sd);
1021        return VPX_CODEC_OK;
1022    }
1023    else
1024        return VPX_CODEC_INVALID_PARAM;
1025
1026}
1027
1028static vpx_codec_err_t vp8e_get_reference(vpx_codec_alg_priv_t *ctx,
1029                                          va_list args)
1030{
1031
1032    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
1033
1034    if (data)
1035    {
1036        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
1037        YV12_BUFFER_CONFIG sd;
1038
1039        image2yuvconfig(&frame->img, &sd);
1040        vp8_get_reference(ctx->cpi, frame->frame_type, &sd);
1041        return VPX_CODEC_OK;
1042    }
1043    else
1044        return VPX_CODEC_INVALID_PARAM;
1045}
1046
1047static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
1048                                          va_list args)
1049{
1050#if CONFIG_POSTPROC
1051    vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
1052
1053    if (data)
1054    {
1055        ctx->preview_ppcfg = *((vp8_postproc_cfg_t *)data);
1056        return VPX_CODEC_OK;
1057    }
1058    else
1059        return VPX_CODEC_INVALID_PARAM;
1060#else
1061    (void)ctx;
1062    (void)args;
1063    return VPX_CODEC_INCAPABLE;
1064#endif
1065}
1066
1067
1068static vpx_image_t *vp8e_get_preview(vpx_codec_alg_priv_t *ctx)
1069{
1070
1071    YV12_BUFFER_CONFIG sd;
1072    vp8_ppflags_t flags = {0};
1073
1074    if (ctx->preview_ppcfg.post_proc_flag)
1075    {
1076        flags.post_proc_flag        = ctx->preview_ppcfg.post_proc_flag;
1077        flags.deblocking_level      = ctx->preview_ppcfg.deblocking_level;
1078        flags.noise_level           = ctx->preview_ppcfg.noise_level;
1079    }
1080
1081    if (0 == vp8_get_preview_raw_frame(ctx->cpi, &sd, &flags))
1082    {
1083
1084        /*
1085        vpx_img_wrap(&ctx->preview_img, VPX_IMG_FMT_YV12,
1086            sd.y_width + 2*VP8BORDERINPIXELS,
1087            sd.y_height + 2*VP8BORDERINPIXELS,
1088            1,
1089            sd.buffer_alloc);
1090        vpx_img_set_rect(&ctx->preview_img,
1091            VP8BORDERINPIXELS, VP8BORDERINPIXELS,
1092            sd.y_width, sd.y_height);
1093            */
1094
1095        ctx->preview_img.bps = 12;
1096        ctx->preview_img.planes[VPX_PLANE_Y] = sd.y_buffer;
1097        ctx->preview_img.planes[VPX_PLANE_U] = sd.u_buffer;
1098        ctx->preview_img.planes[VPX_PLANE_V] = sd.v_buffer;
1099
1100        ctx->preview_img.fmt = VPX_IMG_FMT_I420;
1101        ctx->preview_img.x_chroma_shift = 1;
1102        ctx->preview_img.y_chroma_shift = 1;
1103
1104        ctx->preview_img.d_w = sd.y_width;
1105        ctx->preview_img.d_h = sd.y_height;
1106        ctx->preview_img.stride[VPX_PLANE_Y] = sd.y_stride;
1107        ctx->preview_img.stride[VPX_PLANE_U] = sd.uv_stride;
1108        ctx->preview_img.stride[VPX_PLANE_V] = sd.uv_stride;
1109        ctx->preview_img.w   = sd.y_width;
1110        ctx->preview_img.h   = sd.y_height;
1111
1112        return &ctx->preview_img;
1113    }
1114    else
1115        return NULL;
1116}
1117
1118static vpx_codec_err_t vp8e_update_entropy(vpx_codec_alg_priv_t *ctx,
1119                                           va_list args)
1120{
1121    int update = va_arg(args, int);
1122    vp8_update_entropy(ctx->cpi, update);
1123    return VPX_CODEC_OK;
1124
1125}
1126
1127static vpx_codec_err_t vp8e_update_reference(vpx_codec_alg_priv_t *ctx,
1128                                             va_list args)
1129{
1130    int update = va_arg(args, int);
1131    vp8_update_reference(ctx->cpi, update);
1132    return VPX_CODEC_OK;
1133}
1134
1135static vpx_codec_err_t vp8e_use_reference(vpx_codec_alg_priv_t *ctx,
1136                                          va_list args)
1137{
1138    int reference_flag = va_arg(args, int);
1139    vp8_use_as_reference(ctx->cpi, reference_flag);
1140    return VPX_CODEC_OK;
1141}
1142
1143static vpx_codec_err_t vp8e_set_roi_map(vpx_codec_alg_priv_t *ctx,
1144                                        va_list args)
1145{
1146    vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *);
1147
1148    if (data)
1149    {
1150        vpx_roi_map_t *roi = (vpx_roi_map_t *)data;
1151
1152        if (!vp8_set_roimap(ctx->cpi, roi->roi_map, roi->rows, roi->cols, roi->delta_q, roi->delta_lf, roi->static_threshold))
1153            return VPX_CODEC_OK;
1154        else
1155            return VPX_CODEC_INVALID_PARAM;
1156    }
1157    else
1158        return VPX_CODEC_INVALID_PARAM;
1159}
1160
1161
1162static vpx_codec_err_t vp8e_set_activemap(vpx_codec_alg_priv_t *ctx,
1163                                          va_list args)
1164{
1165    vpx_active_map_t *data = va_arg(args, vpx_active_map_t *);
1166
1167    if (data)
1168    {
1169
1170        vpx_active_map_t *map = (vpx_active_map_t *)data;
1171
1172        if (!vp8_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols))
1173            return VPX_CODEC_OK;
1174        else
1175            return VPX_CODEC_INVALID_PARAM;
1176    }
1177    else
1178        return VPX_CODEC_INVALID_PARAM;
1179}
1180
1181static vpx_codec_err_t vp8e_set_scalemode(vpx_codec_alg_priv_t *ctx,
1182                                          va_list args)
1183{
1184
1185    vpx_scaling_mode_t *data =  va_arg(args, vpx_scaling_mode_t *);
1186
1187    if (data)
1188    {
1189        int res;
1190        vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data ;
1191        res = vp8_set_internal_size(ctx->cpi,
1192                                    (VPX_SCALING)scalemode.h_scaling_mode,
1193                                    (VPX_SCALING)scalemode.v_scaling_mode);
1194
1195        if (!res)
1196        {
1197            /*force next frame a key frame to effect scaling mode */
1198            ctx->next_frame_flag |= FRAMEFLAGS_KEY;
1199            return VPX_CODEC_OK;
1200        }
1201        else
1202            return VPX_CODEC_INVALID_PARAM;
1203    }
1204    else
1205        return VPX_CODEC_INVALID_PARAM;
1206}
1207
1208
1209static vpx_codec_ctrl_fn_map_t vp8e_ctf_maps[] =
1210{
1211    {VP8_SET_REFERENCE,                 vp8e_set_reference},
1212    {VP8_COPY_REFERENCE,                vp8e_get_reference},
1213    {VP8_SET_POSTPROC,                  vp8e_set_previewpp},
1214    {VP8E_UPD_ENTROPY,                  vp8e_update_entropy},
1215    {VP8E_UPD_REFERENCE,                vp8e_update_reference},
1216    {VP8E_USE_REFERENCE,                vp8e_use_reference},
1217    {VP8E_SET_ROI_MAP,                  vp8e_set_roi_map},
1218    {VP8E_SET_ACTIVEMAP,                vp8e_set_activemap},
1219    {VP8E_SET_SCALEMODE,                vp8e_set_scalemode},
1220    {VP8E_SET_CPUUSED,                  set_cpu_used},
1221    {VP8E_SET_NOISE_SENSITIVITY,        set_noise_sensitivity},
1222    {VP8E_SET_ENABLEAUTOALTREF,         set_enable_auto_alt_ref},
1223    {VP8E_SET_SHARPNESS,                set_sharpness},
1224    {VP8E_SET_STATIC_THRESHOLD,         set_static_thresh},
1225    {VP8E_SET_TOKEN_PARTITIONS,         set_token_partitions},
1226    {VP8E_GET_LAST_QUANTIZER,           get_quantizer},
1227    {VP8E_GET_LAST_QUANTIZER_64,        get_quantizer64},
1228    {VP8E_SET_ARNR_MAXFRAMES,           set_arnr_max_frames},
1229    {VP8E_SET_ARNR_STRENGTH ,           set_arnr_strength},
1230    {VP8E_SET_ARNR_TYPE     ,           set_arnr_type},
1231    {VP8E_SET_TUNING,                   set_tuning},
1232    {VP8E_SET_CQ_LEVEL,                 set_cq_level},
1233    {VP8E_SET_MAX_INTRA_BITRATE_PCT,    set_rc_max_intra_bitrate_pct},
1234    { -1, NULL},
1235};
1236
1237static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] =
1238{
1239    {
1240    0,
1241    {
1242        0,                  /* g_usage */
1243        0,                  /* g_threads */
1244        0,                  /* g_profile */
1245
1246        320,                /* g_width */
1247        240,                /* g_height */
1248        VPX_BITS_8,         /* g_bit_depth */
1249        8,                  /* g_input_bit_depth */
1250
1251        {1, 30},            /* g_timebase */
1252
1253        0,                  /* g_error_resilient */
1254
1255        VPX_RC_ONE_PASS,    /* g_pass */
1256
1257        0,                  /* g_lag_in_frames */
1258
1259        0,                  /* rc_dropframe_thresh */
1260        0,                  /* rc_resize_allowed */
1261        1,                  /* rc_scaled_width */
1262        1,                  /* rc_scaled_height */
1263        60,                 /* rc_resize_down_thresold */
1264        30,                 /* rc_resize_up_thresold */
1265
1266        VPX_VBR,            /* rc_end_usage */
1267#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1268        {0},                /* rc_twopass_stats_in */
1269        {0},                /* rc_firstpass_mb_stats_in */
1270#endif
1271        256,                /* rc_target_bandwidth */
1272        4,                  /* rc_min_quantizer */
1273        63,                 /* rc_max_quantizer */
1274        100,                /* rc_undershoot_pct */
1275        100,                /* rc_overshoot_pct */
1276
1277        6000,               /* rc_max_buffer_size */
1278        4000,               /* rc_buffer_initial_size; */
1279        5000,               /* rc_buffer_optimal_size; */
1280
1281        50,                 /* rc_two_pass_vbrbias  */
1282        0,                  /* rc_two_pass_vbrmin_section */
1283        400,                /* rc_two_pass_vbrmax_section */
1284
1285        /* keyframing settings (kf) */
1286        VPX_KF_AUTO,        /* g_kfmode*/
1287        0,                  /* kf_min_dist */
1288        128,                /* kf_max_dist */
1289
1290#if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
1291        "vp8.fpf"           /* first pass filename */
1292#endif
1293        VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
1294        {0},
1295        {0},                /* ss_target_bitrate */
1296        1,                  /* ts_number_layers */
1297        {0},                /* ts_target_bitrate */
1298        {0},                /* ts_rate_decimator */
1299        0,                  /* ts_periodicity */
1300        {0},                /* ts_layer_id */
1301    }},
1302};
1303
1304
1305#ifndef VERSION_STRING
1306#define VERSION_STRING
1307#endif
1308CODEC_INTERFACE(vpx_codec_vp8_cx) =
1309{
1310    "WebM Project VP8 Encoder" VERSION_STRING,
1311    VPX_CODEC_INTERNAL_ABI_VERSION,
1312    VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR |
1313    VPX_CODEC_CAP_OUTPUT_PARTITION,
1314    /* vpx_codec_caps_t          caps; */
1315    vp8e_init,          /* vpx_codec_init_fn_t       init; */
1316    vp8e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
1317    vp8e_ctf_maps,      /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
1318    {
1319        NULL,    /* vpx_codec_peek_si_fn_t    peek_si; */
1320        NULL,    /* vpx_codec_get_si_fn_t     get_si; */
1321        NULL,    /* vpx_codec_decode_fn_t     decode; */
1322        NULL,    /* vpx_codec_frame_get_fn_t  frame_get; */
1323    },
1324    {
1325        1,                  /* 1 cfg map */
1326        vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
1327        vp8e_encode,        /* vpx_codec_encode_fn_t      encode; */
1328        vp8e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
1329        vp8e_set_config,
1330        NULL,
1331        vp8e_get_preview,
1332        vp8e_mr_alloc_mem,
1333    } /* encoder functions */
1334};
1335