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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 #ifndef VPX_VPX_VP8CX_H_
11 #define VPX_VPX_VP8CX_H_
12 
13 /*!\defgroup vp8_encoder WebM VP8/VP9 Encoder
14  * \ingroup vp8
15  *
16  * @{
17  */
18 #include "./vp8.h"
19 #include "./vpx_encoder.h"
20 
21 /*!\file
22  * \brief Provides definitions for using VP8 or VP9 encoder algorithm within the
23  *        vpx Codec Interface.
24  */
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 /*!\name Algorithm interface for VP8
31  *
32  * This interface provides the capability to encode raw VP8 streams.
33  * @{
34  */
35 extern vpx_codec_iface_t vpx_codec_vp8_cx_algo;
36 extern vpx_codec_iface_t *vpx_codec_vp8_cx(void);
37 /*!@} - end algorithm interface member group*/
38 
39 /*!\name Algorithm interface for VP9
40  *
41  * This interface provides the capability to encode raw VP9 streams.
42  * @{
43  */
44 extern vpx_codec_iface_t vpx_codec_vp9_cx_algo;
45 extern vpx_codec_iface_t *vpx_codec_vp9_cx(void);
46 /*!@} - end algorithm interface member group*/
47 
48 /*
49  * Algorithm Flags
50  */
51 
52 /*!\brief Don't reference the last frame
53  *
54  * When this flag is set, the encoder will not use the last frame as a
55  * predictor. When not set, the encoder will choose whether to use the
56  * last frame or not automatically.
57  */
58 #define VP8_EFLAG_NO_REF_LAST (1 << 16)
59 
60 /*!\brief Don't reference the golden frame
61  *
62  * When this flag is set, the encoder will not use the golden frame as a
63  * predictor. When not set, the encoder will choose whether to use the
64  * golden frame or not automatically.
65  */
66 #define VP8_EFLAG_NO_REF_GF (1 << 17)
67 
68 /*!\brief Don't reference the alternate reference frame
69  *
70  * When this flag is set, the encoder will not use the alt ref frame as a
71  * predictor. When not set, the encoder will choose whether to use the
72  * alt ref frame or not automatically.
73  */
74 #define VP8_EFLAG_NO_REF_ARF (1 << 21)
75 
76 /*!\brief Don't update the last frame
77  *
78  * When this flag is set, the encoder will not update the last frame with
79  * the contents of the current frame.
80  */
81 #define VP8_EFLAG_NO_UPD_LAST (1 << 18)
82 
83 /*!\brief Don't update the golden frame
84  *
85  * When this flag is set, the encoder will not update the golden frame with
86  * the contents of the current frame.
87  */
88 #define VP8_EFLAG_NO_UPD_GF (1 << 22)
89 
90 /*!\brief Don't update the alternate reference frame
91  *
92  * When this flag is set, the encoder will not update the alt ref frame with
93  * the contents of the current frame.
94  */
95 #define VP8_EFLAG_NO_UPD_ARF (1 << 23)
96 
97 /*!\brief Force golden frame update
98  *
99  * When this flag is set, the encoder copy the contents of the current frame
100  * to the golden frame buffer.
101  */
102 #define VP8_EFLAG_FORCE_GF (1 << 19)
103 
104 /*!\brief Force alternate reference frame update
105  *
106  * When this flag is set, the encoder copy the contents of the current frame
107  * to the alternate reference frame buffer.
108  */
109 #define VP8_EFLAG_FORCE_ARF (1 << 24)
110 
111 /*!\brief Disable entropy update
112  *
113  * When this flag is set, the encoder will not update its internal entropy
114  * model based on the entropy of this frame.
115  */
116 #define VP8_EFLAG_NO_UPD_ENTROPY (1 << 20)
117 
118 /*!\brief VPx encoder control functions
119  *
120  * This set of macros define the control functions available for VPx
121  * encoder interface.
122  *
123  * \sa #vpx_codec_control
124  */
125 enum vp8e_enc_control_id {
126   /*!\brief Codec control function to pass an ROI map to encoder.
127    *
128    * Supported in codecs: VP8
129    */
130   VP8E_SET_ROI_MAP = 8,
131 
132   /*!\brief Codec control function to pass an Active map to encoder.
133    *
134    * Supported in codecs: VP8, VP9
135    */
136   VP8E_SET_ACTIVEMAP,
137 
138   /*!\brief Codec control function to set encoder scaling mode.
139    *
140    * Supported in codecs: VP8, VP9
141    */
142   VP8E_SET_SCALEMODE = 11,
143 
144   /*!\brief Codec control function to set encoder internal speed settings.
145    *
146    * Changes in this value influences, among others, the encoder's selection
147    * of motion estimation methods. Values greater than 0 will increase encoder
148    * speed at the expense of quality.
149    *
150    * \note Valid range for VP8: -16..16
151    * \note Valid range for VP9: -9..9
152    *
153    * Supported in codecs: VP8, VP9
154    */
155   VP8E_SET_CPUUSED = 13,
156 
157   /*!\brief Codec control function to enable automatic use of arf frames.
158    *
159    * \note Valid range for VP8: 0..1
160    * \note Valid range for VP9: 0..6
161    *
162    * Supported in codecs: VP8, VP9
163    */
164   VP8E_SET_ENABLEAUTOALTREF,
165 
166   /*!\brief control function to set noise sensitivity
167    *
168    * 0: off, 1: OnYOnly, 2: OnYUV,
169    * 3: OnYUVAggressive, 4: Adaptive
170    *
171    * Supported in codecs: VP8
172    */
173   VP8E_SET_NOISE_SENSITIVITY,
174 
175   /*!\brief Codec control function to set higher sharpness at the expense
176    * of a lower PSNR.
177    *
178    * \note Valid range: 0..7
179    *
180    * Supported in codecs: VP8, VP9
181    */
182   VP8E_SET_SHARPNESS,
183 
184   /*!\brief Codec control function to set the threshold for MBs treated static.
185    *
186    * Supported in codecs: VP8, VP9
187    */
188   VP8E_SET_STATIC_THRESHOLD,
189 
190   /*!\brief Codec control function to set the number of token partitions.
191    *
192    * Supported in codecs: VP8
193    */
194   VP8E_SET_TOKEN_PARTITIONS,
195 
196   /*!\brief Codec control function to get last quantizer chosen by the encoder.
197    *
198    * Return value uses internal quantizer scale defined by the codec.
199    *
200    * Supported in codecs: VP8, VP9
201    */
202   VP8E_GET_LAST_QUANTIZER,
203 
204   /*!\brief Codec control function to get last quantizer chosen by the encoder.
205    *
206    * Return value uses the 0..63 scale as used by the rc_*_quantizer config
207    * parameters.
208    *
209    * Supported in codecs: VP8, VP9
210    */
211   VP8E_GET_LAST_QUANTIZER_64,
212 
213   /*!\brief Codec control function to set the max no of frames to create arf.
214    *
215    * Supported in codecs: VP8, VP9
216    */
217   VP8E_SET_ARNR_MAXFRAMES,
218 
219   /*!\brief Codec control function to set the filter strength for the arf.
220    *
221    * Supported in codecs: VP8, VP9
222    */
223   VP8E_SET_ARNR_STRENGTH,
224 
225   /*!\deprecated control function to set the filter type to use for the arf. */
226   VP8E_SET_ARNR_TYPE,
227 
228   /*!\brief Codec control function to set visual tuning.
229    *
230    * Supported in codecs: VP8, VP9
231    */
232   VP8E_SET_TUNING,
233 
234   /*!\brief Codec control function to set constrained / constant quality level.
235    *
236    * \attention For this value to be used vpx_codec_enc_cfg_t::rc_end_usage must
237    *            be set to #VPX_CQ or #VPX_Q
238    * \note Valid range: 0..63
239    *
240    * Supported in codecs: VP8, VP9
241    */
242   VP8E_SET_CQ_LEVEL,
243 
244   /*!\brief Codec control function to set Max data rate for Intra frames.
245    *
246    * This value controls additional clamping on the maximum size of a
247    * keyframe. It is expressed as a percentage of the average
248    * per-frame bitrate, with the special (and default) value 0 meaning
249    * unlimited, or no additional clamping beyond the codec's built-in
250    * algorithm.
251    *
252    * For example, to allocate no more than 4.5 frames worth of bitrate
253    * to a keyframe, set this to 450.
254    *
255    * Supported in codecs: VP8, VP9
256    */
257   VP8E_SET_MAX_INTRA_BITRATE_PCT,
258 
259   /*!\brief Codec control function to set reference and update frame flags.
260    *
261    *  Supported in codecs: VP8
262    */
263   VP8E_SET_FRAME_FLAGS,
264 
265   /*!\brief Codec control function to set max data rate for Inter frames.
266    *
267    * This value controls additional clamping on the maximum size of an
268    * inter frame. It is expressed as a percentage of the average
269    * per-frame bitrate, with the special (and default) value 0 meaning
270    * unlimited, or no additional clamping beyond the codec's built-in
271    * algorithm.
272    *
273    * For example, to allow no more than 4.5 frames worth of bitrate
274    * to an inter frame, set this to 450.
275    *
276    * Supported in codecs: VP9
277    */
278   VP9E_SET_MAX_INTER_BITRATE_PCT,
279 
280   /*!\brief Boost percentage for Golden Frame in CBR mode.
281    *
282    * This value controls the amount of boost given to Golden Frame in
283    * CBR mode. It is expressed as a percentage of the average
284    * per-frame bitrate, with the special (and default) value 0 meaning
285    * the feature is off, i.e., no golden frame boost in CBR mode and
286    * average bitrate target is used.
287    *
288    * For example, to allow 100% more bits, i.e, 2X, in a golden frame
289    * than average frame, set this to 100.
290    *
291    * Supported in codecs: VP9
292    */
293   VP9E_SET_GF_CBR_BOOST_PCT,
294 
295   /*!\brief Codec control function to set the temporal layer id.
296    *
297    * For temporal scalability: this control allows the application to set the
298    * layer id for each frame to be encoded. Note that this control must be set
299    * for every frame prior to encoding. The usage of this control function
300    * supersedes the internal temporal pattern counter, which is now deprecated.
301    *
302    * Supported in codecs: VP8
303    */
304   VP8E_SET_TEMPORAL_LAYER_ID,
305 
306   /*!\brief Codec control function to set encoder screen content mode.
307    *
308    * 0: off, 1: On, 2: On with more aggressive rate control.
309    *
310    * Supported in codecs: VP8
311    */
312   VP8E_SET_SCREEN_CONTENT_MODE,
313 
314   /*!\brief Codec control function to set lossless encoding mode.
315    *
316    * VP9 can operate in lossless encoding mode, in which the bitstream
317    * produced will be able to decode and reconstruct a perfect copy of
318    * input source. This control function provides a mean to switch encoder
319    * into lossless coding mode(1) or normal coding mode(0) that may be lossy.
320    *                          0 = lossy coding mode
321    *                          1 = lossless coding mode
322    *
323    *  By default, encoder operates in normal coding mode (maybe lossy).
324    *
325    * Supported in codecs: VP9
326    */
327   VP9E_SET_LOSSLESS,
328 
329   /*!\brief Codec control function to set number of tile columns.
330    *
331    * In encoding and decoding, VP9 allows an input image frame be partitioned
332    * into separated vertical tile columns, which can be encoded or decoded
333    * independently. This enables easy implementation of parallel encoding and
334    * decoding. This control requests the encoder to use column tiles in
335    * encoding an input frame, with number of tile columns (in Log2 unit) as
336    * the parameter:
337    *             0 = 1 tile column
338    *             1 = 2 tile columns
339    *             2 = 4 tile columns
340    *             .....
341    *             n = 2**n tile columns
342    * The requested tile columns will be capped by the encoder based on image
343    * size limitations (The minimum width of a tile column is 256 pixels, the
344    * maximum is 4096).
345    *
346    * By default, the value is 6, i.e., the maximum number of tiles supported by
347    * the resolution.
348    *
349    * Supported in codecs: VP9
350    */
351   VP9E_SET_TILE_COLUMNS,
352 
353   /*!\brief Codec control function to set number of tile rows.
354    *
355    * In encoding and decoding, VP9 allows an input image frame be partitioned
356    * into separated horizontal tile rows. Tile rows are encoded or decoded
357    * sequentially. Even though encoding/decoding of later tile rows depends on
358    * earlier ones, this allows the encoder to output data packets for tile rows
359    * prior to completely processing all tile rows in a frame, thereby reducing
360    * the latency in processing between input and output. The parameter
361    * for this control describes the number of tile rows, which has a valid
362    * range [0, 2]:
363    *            0 = 1 tile row
364    *            1 = 2 tile rows
365    *            2 = 4 tile rows
366    *
367    * By default, the value is 0, i.e. one single row tile for entire image.
368    *
369    * Supported in codecs: VP9
370    */
371   VP9E_SET_TILE_ROWS,
372 
373   /*!\brief Codec control function to enable frame parallel decoding feature.
374    *
375    * VP9 has a bitstream feature to reduce decoding dependency between frames
376    * by turning off backward update of probability context used in encoding
377    * and decoding. This allows staged parallel processing of more than one
378    * video frame in the decoder. This control function provides a means to
379    * turn this feature on or off for bitstreams produced by encoder.
380    *
381    * By default, this feature is on.
382    *
383    * Supported in codecs: VP9
384    */
385   VP9E_SET_FRAME_PARALLEL_DECODING,
386 
387   /*!\brief Codec control function to set adaptive quantization mode.
388    *
389    * VP9 has a segment based feature that allows encoder to adaptively change
390    * quantization parameter for each segment within a frame to improve the
391    * subjective quality. This control makes encoder operate in one of the
392    * several AQ_modes supported.
393    *
394    * By default, encoder operates with AQ_Mode 0(adaptive quantization off).
395    *
396    * Supported in codecs: VP9
397    */
398   VP9E_SET_AQ_MODE,
399 
400   /*!\brief Codec control function to enable/disable periodic Q boost.
401    *
402    * One VP9 encoder speed feature is to enable quality boost by lowering
403    * frame level Q periodically. This control function provides a mean to
404    * turn on/off this feature.
405    *               0 = off
406    *               1 = on
407    *
408    * By default, the encoder is allowed to use this feature for appropriate
409    * encoding modes.
410    *
411    * Supported in codecs: VP9
412    */
413   VP9E_SET_FRAME_PERIODIC_BOOST,
414 
415   /*!\brief Codec control function to set noise sensitivity.
416    *
417    *  0: off, 1: On(YOnly), 2: For SVC only, on top two spatial layers(YOnly)
418    *
419    * Supported in codecs: VP9
420    */
421   VP9E_SET_NOISE_SENSITIVITY,
422 
423   /*!\brief Codec control function to turn on/off SVC in encoder.
424    * \note Return value is VPX_CODEC_INVALID_PARAM if the encoder does not
425    *       support SVC in its current encoding mode
426    *  0: off, 1: on
427    *
428    * Supported in codecs: VP9
429    */
430   VP9E_SET_SVC,
431 
432   /*!\brief Codec control function to pass an ROI map to encoder.
433    *
434    * Supported in codecs: VP9
435    */
436   VP9E_SET_ROI_MAP,
437 
438   /*!\brief Codec control function to set parameters for SVC.
439    * \note Parameters contain min_q, max_q, scaling factor for each of the
440    *       SVC layers.
441    *
442    * Supported in codecs: VP9
443    */
444   VP9E_SET_SVC_PARAMETERS,
445 
446   /*!\brief Codec control function to set svc layer for spatial and temporal.
447    * \note Valid ranges: 0..#vpx_codec_enc_cfg::ss_number_layers for spatial
448    *                     layer and 0..#vpx_codec_enc_cfg::ts_number_layers for
449    *                     temporal layer.
450    *
451    * Supported in codecs: VP9
452    */
453   VP9E_SET_SVC_LAYER_ID,
454 
455   /*!\brief Codec control function to set content type.
456    * \note Valid parameter range:
457    *              VP9E_CONTENT_DEFAULT = Regular video content (Default)
458    *              VP9E_CONTENT_SCREEN  = Screen capture content
459    *              VP9E_CONTENT_FILM    = Film content: improves grain retention
460    *
461    * Supported in codecs: VP9
462    */
463   VP9E_SET_TUNE_CONTENT,
464 
465   /*!\brief Codec control function to get svc layer ID.
466    * \note The layer ID returned is for the data packet from the registered
467    *       callback function.
468    *
469    * Supported in codecs: VP9
470    */
471   VP9E_GET_SVC_LAYER_ID,
472 
473   /*!\brief Codec control function to register callback to get per layer packet.
474    * \note Parameter for this control function is a structure with a callback
475    *       function and a pointer to private data used by the callback.
476    *
477    * Supported in codecs: VP9
478    */
479   VP9E_REGISTER_CX_CALLBACK,
480 
481   /*!\brief Codec control function to set color space info.
482    * \note Valid ranges: 0..7, default is "UNKNOWN".
483    *                     0 = UNKNOWN,
484    *                     1 = BT_601
485    *                     2 = BT_709
486    *                     3 = SMPTE_170
487    *                     4 = SMPTE_240
488    *                     5 = BT_2020
489    *                     6 = RESERVED
490    *                     7 = SRGB
491    *
492    * Supported in codecs: VP9
493    */
494   VP9E_SET_COLOR_SPACE,
495 
496   /*!\brief Codec control function to set temporal layering mode.
497    * \note Valid ranges: 0..3, default is "0"
498    * (VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING).
499    *                     0 = VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING
500    *                     1 = VP9E_TEMPORAL_LAYERING_MODE_BYPASS
501    *                     2 = VP9E_TEMPORAL_LAYERING_MODE_0101
502    *                     3 = VP9E_TEMPORAL_LAYERING_MODE_0212
503    *
504    * Supported in codecs: VP9
505    */
506   VP9E_SET_TEMPORAL_LAYERING_MODE,
507 
508   /*!\brief Codec control function to set minimum interval between GF/ARF frames
509    *
510    * By default the value is set as 4.
511    *
512    * Supported in codecs: VP9
513    */
514   VP9E_SET_MIN_GF_INTERVAL,
515 
516   /*!\brief Codec control function to set minimum interval between GF/ARF frames
517    *
518    * By default the value is set as 16.
519    *
520    * Supported in codecs: VP9
521    */
522   VP9E_SET_MAX_GF_INTERVAL,
523 
524   /*!\brief Codec control function to get an Active map back from the encoder.
525    *
526    * Supported in codecs: VP9
527    */
528   VP9E_GET_ACTIVEMAP,
529 
530   /*!\brief Codec control function to set color range bit.
531    * \note Valid ranges: 0..1, default is 0
532    *                     0 = Limited range (16..235 or HBD equivalent)
533    *                     1 = Full range (0..255 or HBD equivalent)
534    *
535    * Supported in codecs: VP9
536    */
537   VP9E_SET_COLOR_RANGE,
538 
539   /*!\brief Codec control function to set the frame flags and buffer indices
540    * for spatial layers. The frame flags and buffer indices are set using the
541    * struct #vpx_svc_ref_frame_config defined below.
542    *
543    * Supported in codecs: VP9
544    */
545   VP9E_SET_SVC_REF_FRAME_CONFIG,
546 
547   /*!\brief Codec control function to set intended rendering image size.
548    *
549    * By default, this is identical to the image size in pixels.
550    *
551    * Supported in codecs: VP9
552    */
553   VP9E_SET_RENDER_SIZE,
554 
555   /*!\brief Codec control function to set target level.
556    *
557    * 255: off (default); 0: only keep level stats; 10: target for level 1.0;
558    * 11: target for level 1.1; ... 62: target for level 6.2
559    *
560    * Supported in codecs: VP9
561    */
562   VP9E_SET_TARGET_LEVEL,
563 
564   /*!\brief Codec control function to set row level multi-threading.
565    *
566    * 0 : off, 1 : on
567    *
568    * Supported in codecs: VP9
569    */
570   VP9E_SET_ROW_MT,
571 
572   /*!\brief Codec control function to get bitstream level.
573    *
574    * Supported in codecs: VP9
575    */
576   VP9E_GET_LEVEL,
577 
578   /*!\brief Codec control function to enable/disable special mode for altref
579    *        adaptive quantization. You can use it with --aq-mode concurrently.
580    *
581    * Enable special adaptive quantization for altref frames based on their
582    * expected prediction quality for the future frames.
583    *
584    * Supported in codecs: VP9
585    */
586   VP9E_SET_ALT_REF_AQ,
587 
588   /*!\brief Boost percentage for Golden Frame in CBR mode.
589    *
590    * This value controls the amount of boost given to Golden Frame in
591    * CBR mode. It is expressed as a percentage of the average
592    * per-frame bitrate, with the special (and default) value 0 meaning
593    * the feature is off, i.e., no golden frame boost in CBR mode and
594    * average bitrate target is used.
595    *
596    * For example, to allow 100% more bits, i.e, 2X, in a golden frame
597    * than average frame, set this to 100.
598    *
599    * Supported in codecs: VP8
600    */
601   VP8E_SET_GF_CBR_BOOST_PCT,
602 
603   /*!\brief Codec control function to enable the extreme motion vector unit test
604    * in VP9. Please note that this is only used in motion vector unit test.
605    *
606    * 0 : off, 1 : MAX_EXTREME_MV, 2 : MIN_EXTREME_MV
607    *
608    * Supported in codecs: VP9
609    */
610   VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST,
611 
612   /*!\brief Codec control function to constrain the inter-layer prediction
613    * (prediction of lower spatial resolution) in VP9 SVC.
614    *
615    * 0 : inter-layer prediction on, 1 : off, 2 : off only on non-key frames
616    *
617    * Supported in codecs: VP9
618    */
619   VP9E_SET_SVC_INTER_LAYER_PRED,
620 
621   /*!\brief Codec control function to set mode and thresholds for frame
622    *  dropping in SVC. Drop frame thresholds are set per-layer. Mode is set as:
623    * 0 : layer-dependent dropping, 1 : constrained dropping, current layer drop
624    * forces drop on all upper layers. Default mode is 0.
625    *
626    * Supported in codecs: VP9
627    */
628   VP9E_SET_SVC_FRAME_DROP_LAYER,
629 
630   /*!\brief Codec control function to get the refresh and reference flags and
631    * the buffer indices, up to the last encoded spatial layer.
632    *
633    * Supported in codecs: VP9
634    */
635   VP9E_GET_SVC_REF_FRAME_CONFIG,
636 
637   /*!\brief Codec control function to enable/disable use of golden reference as
638    * a second temporal reference for SVC. Only used when inter-layer prediction
639    * is disabled on INTER frames.
640    *
641    * 0: Off, 1: Enabled (default)
642    *
643    * Supported in codecs: VP9
644    */
645   VP9E_SET_SVC_GF_TEMPORAL_REF,
646 
647   /*!\brief Codec control function to enable spatial layer sync frame, for any
648    * spatial layer. Enabling it for layer k means spatial layer k will disable
649    * all temporal prediction, but keep the inter-layer prediction. It will
650    * refresh any temporal reference buffer for that layer, and reset the
651    * temporal layer for the superframe to 0. Setting the layer sync for base
652    * spatial layer forces a key frame. Default is off (0) for all spatial
653    * layers. Spatial layer sync flag is reset to 0 after each encoded layer,
654    * so when control is invoked it is only used for the current superframe.
655    *
656    * 0: Off (default), 1: Enabled
657    *
658    * Supported in codecs: VP9
659    */
660   VP9E_SET_SVC_SPATIAL_LAYER_SYNC,
661 
662   /*!\brief Codec control function to enable temporal dependency model.
663    *
664    * Vp9 allows the encoder to run temporal dependency model and use it to
665    * improve the compression performance. To enable, set this parameter to be
666    * 1. The default value is set to be 1.
667    */
668   VP9E_SET_TPL,
669 
670   /*!\brief Codec control function to enable postencode frame drop.
671    *
672    * This will allow encoder to drop frame after it's encoded.
673    *
674    * 0: Off (default), 1: Enabled
675    *
676    * Supported in codecs: VP9
677    */
678   VP9E_SET_POSTENCODE_DROP,
679 };
680 
681 /*!\brief vpx 1-D scaling mode
682  *
683  * This set of constants define 1-D vpx scaling modes
684  */
685 typedef enum vpx_scaling_mode_1d {
686   VP8E_NORMAL = 0,
687   VP8E_FOURFIVE = 1,
688   VP8E_THREEFIVE = 2,
689   VP8E_ONETWO = 3
690 } VPX_SCALING_MODE;
691 
692 /*!\brief Temporal layering mode enum for VP9 SVC.
693  *
694  * This set of macros define the different temporal layering modes.
695  * Supported codecs: VP9 (in SVC mode)
696  *
697  */
698 typedef enum vp9e_temporal_layering_mode {
699   /*!\brief No temporal layering.
700    * Used when only spatial layering is used.
701    */
702   VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING = 0,
703 
704   /*!\brief Bypass mode.
705    * Used when application needs to control temporal layering.
706    * This will only work when the number of spatial layers equals 1.
707    */
708   VP9E_TEMPORAL_LAYERING_MODE_BYPASS = 1,
709 
710   /*!\brief 0-1-0-1... temporal layering scheme with two temporal layers.
711    */
712   VP9E_TEMPORAL_LAYERING_MODE_0101 = 2,
713 
714   /*!\brief 0-2-1-2... temporal layering scheme with three temporal layers.
715    */
716   VP9E_TEMPORAL_LAYERING_MODE_0212 = 3
717 } VP9E_TEMPORAL_LAYERING_MODE;
718 
719 /*!\brief  vpx region of interest map
720  *
721  * These defines the data structures for the region of interest map
722  *
723  */
724 
725 typedef struct vpx_roi_map {
726   /*! If ROI is enabled. */
727   uint8_t enabled;
728   /*! An id between 0-3 (0-7 for vp9) for each 16x16 (8x8 for VP9)
729    * region within a frame. */
730   unsigned char *roi_map;
731   unsigned int rows; /**< Number of rows. */
732   unsigned int cols; /**< Number of columns. */
733   /*! VP8 only uses the first 4 segments. VP9 uses 8 segments. */
734   int delta_q[8];  /**< Quantizer deltas. */
735   int delta_lf[8]; /**< Loop filter deltas. */
736   /*! skip and ref frame segment is only used in VP9. */
737   int skip[8];      /**< Skip this block. */
738   int ref_frame[8]; /**< Reference frame for this block. */
739   /*! Static breakout threshold for each segment. Only used in VP8. */
740   unsigned int static_threshold[4];
741 } vpx_roi_map_t;
742 
743 /*!\brief  vpx active region map
744  *
745  * These defines the data structures for active region map
746  *
747  */
748 
749 typedef struct vpx_active_map {
750   /*!\brief specify an on (1) or off (0) each 16x16 region within a frame */
751   unsigned char *active_map;
752   unsigned int rows; /**< number of rows */
753   unsigned int cols; /**< number of cols */
754 } vpx_active_map_t;
755 
756 /*!\brief  vpx image scaling mode
757  *
758  * This defines the data structure for image scaling mode
759  *
760  */
761 typedef struct vpx_scaling_mode {
762   VPX_SCALING_MODE h_scaling_mode; /**< horizontal scaling mode */
763   VPX_SCALING_MODE v_scaling_mode; /**< vertical scaling mode   */
764 } vpx_scaling_mode_t;
765 
766 /*!\brief VP8 token partition mode
767  *
768  * This defines VP8 partitioning mode for compressed data, i.e., the number of
769  * sub-streams in the bitstream. Used for parallelized decoding.
770  *
771  */
772 
773 typedef enum {
774   VP8_ONE_TOKENPARTITION = 0,
775   VP8_TWO_TOKENPARTITION = 1,
776   VP8_FOUR_TOKENPARTITION = 2,
777   VP8_EIGHT_TOKENPARTITION = 3
778 } vp8e_token_partitions;
779 
780 /*!brief VP9 encoder content type */
781 typedef enum {
782   VP9E_CONTENT_DEFAULT,
783   VP9E_CONTENT_SCREEN,
784   VP9E_CONTENT_FILM,
785   VP9E_CONTENT_INVALID
786 } vp9e_tune_content;
787 
788 /*!\brief VP8 model tuning parameters
789  *
790  * Changes the encoder to tune for certain types of input material.
791  *
792  */
793 typedef enum { VP8_TUNE_PSNR, VP8_TUNE_SSIM } vp8e_tuning;
794 
795 /*!\brief  vp9 svc layer parameters
796  *
797  * This defines the spatial and temporal layer id numbers for svc encoding.
798  * This is used with the #VP9E_SET_SVC_LAYER_ID control to set the spatial and
799  * temporal layer id for the current frame.
800  *
801  */
802 typedef struct vpx_svc_layer_id {
803   int spatial_layer_id; /**< First spatial layer to start encoding. */
804   // TODO(jianj): Deprecated, to be removed.
805   int temporal_layer_id; /**< Temporal layer id number. */
806   int temporal_layer_id_per_spatial[VPX_SS_MAX_LAYERS]; /**< Temp layer id. */
807 } vpx_svc_layer_id_t;
808 
809 /*!\brief vp9 svc frame flag parameters.
810  *
811  * This defines the frame flags and buffer indices for each spatial layer for
812  * svc encoding.
813  * This is used with the #VP9E_SET_SVC_REF_FRAME_CONFIG control to set frame
814  * flags and buffer indices for each spatial layer for the current (super)frame.
815  *
816  */
817 typedef struct vpx_svc_ref_frame_config {
818   int lst_fb_idx[VPX_SS_MAX_LAYERS];         /**< Last buffer index. */
819   int gld_fb_idx[VPX_SS_MAX_LAYERS];         /**< Golden buffer index. */
820   int alt_fb_idx[VPX_SS_MAX_LAYERS];         /**< Altref buffer index. */
821   int update_buffer_slot[VPX_SS_MAX_LAYERS]; /**< Update reference frames. */
822   // TODO(jianj): Remove update_last/golden/alt_ref, these are deprecated.
823   int update_last[VPX_SS_MAX_LAYERS];       /**< Update last. */
824   int update_golden[VPX_SS_MAX_LAYERS];     /**< Update golden. */
825   int update_alt_ref[VPX_SS_MAX_LAYERS];    /**< Update altref. */
826   int reference_last[VPX_SS_MAX_LAYERS];    /**< Last as reference. */
827   int reference_golden[VPX_SS_MAX_LAYERS];  /**< Golden as reference. */
828   int reference_alt_ref[VPX_SS_MAX_LAYERS]; /**< Altref as reference. */
829   int64_t duration[VPX_SS_MAX_LAYERS];      /**< Duration per spatial layer. */
830 } vpx_svc_ref_frame_config_t;
831 
832 /*!\brief VP9 svc frame dropping mode.
833  *
834  * This defines the frame drop mode for SVC.
835  *
836  */
837 typedef enum {
838   CONSTRAINED_LAYER_DROP,
839   /**< Upper layers are constrained to drop if current layer drops. */
840   LAYER_DROP,           /**< Any spatial layer can drop. */
841   FULL_SUPERFRAME_DROP, /**< Only full superframe can drop. */
842   CONSTRAINED_FROM_ABOVE_DROP,
843   /**< Lower layers are constrained to drop if current layer drops. */
844 } SVC_LAYER_DROP_MODE;
845 
846 /*!\brief vp9 svc frame dropping parameters.
847  *
848  * This defines the frame drop thresholds for each spatial layer, and
849  * the frame dropping mode: 0 = layer based frame dropping (default),
850  * 1 = constrained dropping where current layer drop forces all upper
851  * spatial layers to drop.
852  */
853 typedef struct vpx_svc_frame_drop {
854   int framedrop_thresh[VPX_SS_MAX_LAYERS]; /**< Frame drop thresholds */
855   SVC_LAYER_DROP_MODE
856   framedrop_mode;      /**< Layer-based or constrained dropping. */
857   int max_consec_drop; /**< Maximum consecutive drops, for any layer. */
858 } vpx_svc_frame_drop_t;
859 
860 /*!\brief vp9 svc spatial layer sync parameters.
861  *
862  * This defines the spatial layer sync flag, defined per spatial layer.
863  *
864  */
865 typedef struct vpx_svc_spatial_layer_sync {
866   int spatial_layer_sync[VPX_SS_MAX_LAYERS]; /**< Sync layer flags */
867   int base_layer_intra_only; /**< Flag for setting Intra-only frame on base */
868 } vpx_svc_spatial_layer_sync_t;
869 
870 /*!\cond */
871 /*!\brief VP8 encoder control function parameter type
872  *
873  * Defines the data types that VP8E control functions take. Note that
874  * additional common controls are defined in vp8.h
875  *
876  */
877 
878 VPX_CTRL_USE_TYPE(VP8E_SET_FRAME_FLAGS, int)
879 #define VPX_CTRL_VP8E_SET_FRAME_FLAGS
880 VPX_CTRL_USE_TYPE(VP8E_SET_TEMPORAL_LAYER_ID, int)
881 #define VPX_CTRL_VP8E_SET_TEMPORAL_LAYER_ID
882 VPX_CTRL_USE_TYPE(VP8E_SET_ROI_MAP, vpx_roi_map_t *)
883 #define VPX_CTRL_VP8E_SET_ROI_MAP
884 VPX_CTRL_USE_TYPE(VP9E_SET_ROI_MAP, vpx_roi_map_t *)
885 #define VPX_CTRL_VP9E_SET_ROI_MAP
886 VPX_CTRL_USE_TYPE(VP8E_SET_ACTIVEMAP, vpx_active_map_t *)
887 #define VPX_CTRL_VP8E_SET_ACTIVEMAP
888 VPX_CTRL_USE_TYPE(VP8E_SET_SCALEMODE, vpx_scaling_mode_t *)
889 #define VPX_CTRL_VP8E_SET_SCALEMODE
890 
891 VPX_CTRL_USE_TYPE(VP9E_SET_SVC, int)
892 #define VPX_CTRL_VP9E_SET_SVC
893 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_PARAMETERS, void *)
894 #define VPX_CTRL_VP9E_SET_SVC_PARAMETERS
895 VPX_CTRL_USE_TYPE(VP9E_REGISTER_CX_CALLBACK, void *)
896 #define VPX_CTRL_VP9E_REGISTER_CX_CALLBACK
897 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_LAYER_ID, vpx_svc_layer_id_t *)
898 #define VPX_CTRL_VP9E_SET_SVC_LAYER_ID
899 
900 VPX_CTRL_USE_TYPE(VP8E_SET_CPUUSED, int)
901 #define VPX_CTRL_VP8E_SET_CPUUSED
902 VPX_CTRL_USE_TYPE(VP8E_SET_ENABLEAUTOALTREF, unsigned int)
903 #define VPX_CTRL_VP8E_SET_ENABLEAUTOALTREF
904 VPX_CTRL_USE_TYPE(VP8E_SET_NOISE_SENSITIVITY, unsigned int)
905 #define VPX_CTRL_VP8E_SET_NOISE_SENSITIVITY
906 VPX_CTRL_USE_TYPE(VP8E_SET_SHARPNESS, unsigned int)
907 #define VPX_CTRL_VP8E_SET_SHARPNESS
908 VPX_CTRL_USE_TYPE(VP8E_SET_STATIC_THRESHOLD, unsigned int)
909 #define VPX_CTRL_VP8E_SET_STATIC_THRESHOLD
910 VPX_CTRL_USE_TYPE(VP8E_SET_TOKEN_PARTITIONS, int) /* vp8e_token_partitions */
911 #define VPX_CTRL_VP8E_SET_TOKEN_PARTITIONS
912 
913 VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_MAXFRAMES, unsigned int)
914 #define VPX_CTRL_VP8E_SET_ARNR_MAXFRAMES
915 VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_STRENGTH, unsigned int)
916 #define VPX_CTRL_VP8E_SET_ARNR_STRENGTH
917 VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_SET_ARNR_TYPE, unsigned int)
918 #define VPX_CTRL_VP8E_SET_ARNR_TYPE
919 VPX_CTRL_USE_TYPE(VP8E_SET_TUNING, int) /* vp8e_tuning */
920 #define VPX_CTRL_VP8E_SET_TUNING
921 VPX_CTRL_USE_TYPE(VP8E_SET_CQ_LEVEL, unsigned int)
922 #define VPX_CTRL_VP8E_SET_CQ_LEVEL
923 
924 VPX_CTRL_USE_TYPE(VP9E_SET_TILE_COLUMNS, int)
925 #define VPX_CTRL_VP9E_SET_TILE_COLUMNS
926 VPX_CTRL_USE_TYPE(VP9E_SET_TILE_ROWS, int)
927 #define VPX_CTRL_VP9E_SET_TILE_ROWS
928 
929 VPX_CTRL_USE_TYPE(VP9E_SET_TPL, int)
930 #define VPX_CTRL_VP9E_SET_TPL
931 
932 VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER, int *)
933 #define VPX_CTRL_VP8E_GET_LAST_QUANTIZER
934 VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER_64, int *)
935 #define VPX_CTRL_VP8E_GET_LAST_QUANTIZER_64
936 VPX_CTRL_USE_TYPE(VP9E_GET_SVC_LAYER_ID, vpx_svc_layer_id_t *)
937 #define VPX_CTRL_VP9E_GET_SVC_LAYER_ID
938 
939 VPX_CTRL_USE_TYPE(VP8E_SET_MAX_INTRA_BITRATE_PCT, unsigned int)
940 #define VPX_CTRL_VP8E_SET_MAX_INTRA_BITRATE_PCT
941 VPX_CTRL_USE_TYPE(VP9E_SET_MAX_INTER_BITRATE_PCT, unsigned int)
942 #define VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT
943 
944 VPX_CTRL_USE_TYPE(VP8E_SET_GF_CBR_BOOST_PCT, unsigned int)
945 #define VPX_CTRL_VP8E_SET_GF_CBR_BOOST_PCT
946 
947 VPX_CTRL_USE_TYPE(VP8E_SET_SCREEN_CONTENT_MODE, unsigned int)
948 #define VPX_CTRL_VP8E_SET_SCREEN_CONTENT_MODE
949 
950 VPX_CTRL_USE_TYPE(VP9E_SET_GF_CBR_BOOST_PCT, unsigned int)
951 #define VPX_CTRL_VP9E_SET_GF_CBR_BOOST_PCT
952 
953 VPX_CTRL_USE_TYPE(VP9E_SET_LOSSLESS, unsigned int)
954 #define VPX_CTRL_VP9E_SET_LOSSLESS
955 
956 VPX_CTRL_USE_TYPE(VP9E_SET_FRAME_PARALLEL_DECODING, unsigned int)
957 #define VPX_CTRL_VP9E_SET_FRAME_PARALLEL_DECODING
958 
959 VPX_CTRL_USE_TYPE(VP9E_SET_AQ_MODE, unsigned int)
960 #define VPX_CTRL_VP9E_SET_AQ_MODE
961 
962 VPX_CTRL_USE_TYPE(VP9E_SET_ALT_REF_AQ, int)
963 #define VPX_CTRL_VP9E_SET_ALT_REF_AQ
964 
965 VPX_CTRL_USE_TYPE(VP9E_SET_FRAME_PERIODIC_BOOST, unsigned int)
966 #define VPX_CTRL_VP9E_SET_FRAME_PERIODIC_BOOST
967 
968 VPX_CTRL_USE_TYPE(VP9E_SET_NOISE_SENSITIVITY, unsigned int)
969 #define VPX_CTRL_VP9E_SET_NOISE_SENSITIVITY
970 
971 VPX_CTRL_USE_TYPE(VP9E_SET_TUNE_CONTENT, int) /* vp9e_tune_content */
972 #define VPX_CTRL_VP9E_SET_TUNE_CONTENT
973 
974 VPX_CTRL_USE_TYPE(VP9E_SET_COLOR_SPACE, int)
975 #define VPX_CTRL_VP9E_SET_COLOR_SPACE
976 
977 VPX_CTRL_USE_TYPE(VP9E_SET_MIN_GF_INTERVAL, unsigned int)
978 #define VPX_CTRL_VP9E_SET_MIN_GF_INTERVAL
979 
980 VPX_CTRL_USE_TYPE(VP9E_SET_MAX_GF_INTERVAL, unsigned int)
981 #define VPX_CTRL_VP9E_SET_MAX_GF_INTERVAL
982 
983 VPX_CTRL_USE_TYPE(VP9E_GET_ACTIVEMAP, vpx_active_map_t *)
984 #define VPX_CTRL_VP9E_GET_ACTIVEMAP
985 
986 VPX_CTRL_USE_TYPE(VP9E_SET_COLOR_RANGE, int)
987 #define VPX_CTRL_VP9E_SET_COLOR_RANGE
988 
989 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_REF_FRAME_CONFIG, vpx_svc_ref_frame_config_t *)
990 #define VPX_CTRL_VP9E_SET_SVC_REF_FRAME_CONFIG
991 
992 VPX_CTRL_USE_TYPE(VP9E_SET_RENDER_SIZE, int *)
993 #define VPX_CTRL_VP9E_SET_RENDER_SIZE
994 
995 VPX_CTRL_USE_TYPE(VP9E_SET_TARGET_LEVEL, unsigned int)
996 #define VPX_CTRL_VP9E_SET_TARGET_LEVEL
997 
998 VPX_CTRL_USE_TYPE(VP9E_SET_ROW_MT, unsigned int)
999 #define VPX_CTRL_VP9E_SET_ROW_MT
1000 
1001 VPX_CTRL_USE_TYPE(VP9E_GET_LEVEL, int *)
1002 #define VPX_CTRL_VP9E_GET_LEVEL
1003 
1004 VPX_CTRL_USE_TYPE(VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST, unsigned int)
1005 #define VPX_CTRL_VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST
1006 
1007 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_INTER_LAYER_PRED, unsigned int)
1008 #define VPX_CTRL_VP9E_SET_SVC_INTER_LAYER_PRED
1009 
1010 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_FRAME_DROP_LAYER, vpx_svc_frame_drop_t *)
1011 #define VPX_CTRL_VP9E_SET_SVC_FRAME_DROP_LAYER
1012 
1013 VPX_CTRL_USE_TYPE(VP9E_GET_SVC_REF_FRAME_CONFIG, vpx_svc_ref_frame_config_t *)
1014 #define VPX_CTRL_VP9E_GET_SVC_REF_FRAME_CONFIG
1015 
1016 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_GF_TEMPORAL_REF, unsigned int)
1017 #define VPX_CTRL_VP9E_SET_SVC_GF_TEMPORAL_REF
1018 
1019 VPX_CTRL_USE_TYPE(VP9E_SET_SVC_SPATIAL_LAYER_SYNC,
1020                   vpx_svc_spatial_layer_sync_t *)
1021 #define VPX_CTRL_VP9E_SET_SVC_SPATIAL_LAYER_SYNC
1022 
1023 VPX_CTRL_USE_TYPE(VP9E_SET_POSTENCODE_DROP, unsigned int)
1024 #define VPX_CTRL_VP9E_SET_POSTENCODE_DROP
1025 
1026 /*!\endcond */
1027 /*! @} - end defgroup vp8_encoder */
1028 #ifdef __cplusplus
1029 }  // extern "C"
1030 #endif
1031 
1032 #endif  // VPX_VPX_VP8CX_H_
1033