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 #ifndef VP8_COMMON_ONYX_H_
13 #define VP8_COMMON_ONYX_H_
14 
15 #ifdef __cplusplus
16 extern "C"
17 {
18 #endif
19 
20 #include "vpx_config.h"
21 #include "vpx/internal/vpx_codec_internal.h"
22 #include "vpx/vp8cx.h"
23 #include "vpx/vpx_encoder.h"
24 #include "vpx_scale/yv12config.h"
25 #include "ppflags.h"
26 
27     struct VP8_COMP;
28 
29     /* Create/destroy static data structures. */
30 
31     typedef enum
32     {
33         NORMAL      = 0,
34         FOURFIVE    = 1,
35         THREEFIVE   = 2,
36         ONETWO      = 3
37 
38     } VPX_SCALING;
39 
40     typedef enum
41     {
42         USAGE_LOCAL_FILE_PLAYBACK   = 0x0,
43         USAGE_STREAM_FROM_SERVER    = 0x1,
44         USAGE_CONSTRAINED_QUALITY   = 0x2,
45         USAGE_CONSTANT_QUALITY      = 0x3
46     } END_USAGE;
47 
48 
49     typedef enum
50     {
51         MODE_REALTIME       = 0x0,
52         MODE_GOODQUALITY    = 0x1,
53         MODE_BESTQUALITY    = 0x2,
54         MODE_FIRSTPASS      = 0x3,
55         MODE_SECONDPASS     = 0x4,
56         MODE_SECONDPASS_BEST = 0x5
57     } MODE;
58 
59     typedef enum
60     {
61         FRAMEFLAGS_KEY    = 1,
62         FRAMEFLAGS_GOLDEN = 2,
63         FRAMEFLAGS_ALTREF = 4
64     } FRAMETYPE_FLAGS;
65 
66 
67 #include <assert.h>
Scale2Ratio(int mode,int * hr,int * hs)68     static void Scale2Ratio(int mode, int *hr, int *hs)
69     {
70         switch (mode)
71         {
72         case    NORMAL:
73             *hr = 1;
74             *hs = 1;
75             break;
76         case    FOURFIVE:
77             *hr = 4;
78             *hs = 5;
79             break;
80         case    THREEFIVE:
81             *hr = 3;
82             *hs = 5;
83             break;
84         case    ONETWO:
85             *hr = 1;
86             *hs = 2;
87             break;
88         default:
89             *hr = 1;
90             *hs = 1;
91             assert(0);
92             break;
93         }
94     }
95 
96     typedef struct
97     {
98         /* 4 versions of bitstream defined:
99          *   0 best quality/slowest decode, 3 lowest quality/fastest decode
100          */
101         int Version;
102         int Width;
103         int Height;
104         struct vpx_rational  timebase;
105         unsigned int target_bandwidth;    /* kilobits per second */
106 
107         /* Parameter used for applying denoiser.
108          * For temporal denoiser: noise_sensitivity = 0 means off,
109          * noise_sensitivity = 1 means temporal denoiser on for Y channel only,
110          * noise_sensitivity = 2 means temporal denoiser on for all channels.
111          * noise_sensitivity >= 3 means aggressive denoising mode.
112          * Temporal denoiser is enabled via the configuration option:
113          * CONFIG_TEMPORAL_DENOISING.
114          * For spatial denoiser: noise_sensitivity controls the amount of
115          * pre-processing blur: noise_sensitivity = 0 means off.
116          * Spatial denoiser invoked under !CONFIG_TEMPORAL_DENOISING.
117          */
118         int noise_sensitivity;
119 
120         /* parameter used for sharpening output: recommendation 0: */
121         int Sharpness;
122         int cpu_used;
123         unsigned int rc_max_intra_bitrate_pct;
124 
125         /* mode ->
126          *(0)=Realtime/Live Encoding. This mode is optimized for realtim
127          *    encoding (for example, capturing a television signal or feed
128          *    from a live camera). ( speed setting controls how fast )
129          *(1)=Good Quality Fast Encoding. The encoder balances quality with
130          *    the amount of time it takes to encode the output. ( speed
131          *    setting controls how fast )
132          *(2)=One Pass - Best Quality. The encoder places priority on the
133          *    quality of the output over encoding speed. The output is
134          *    compressed at the highest possible quality. This option takes
135          *    the longest amount of time to encode. ( speed setting ignored
136          *    )
137          *(3)=Two Pass - First Pass. The encoder generates a file of
138          *    statistics for use in the second encoding pass. ( speed
139          *    setting controls how fast )
140          *(4)=Two Pass - Second Pass. The encoder uses the statistics that
141          *    were generated in the first encoding pass to create the
142          *    compressed output. ( speed setting controls how fast )
143          *(5)=Two Pass - Second Pass Best.  The encoder uses the statistics
144          *    that were generated in the first encoding pass to create the
145          *    compressed output using the highest possible quality, and
146          *    taking a longer amount of time to encode.. ( speed setting
147          *    ignored )
148          */
149         int Mode;
150 
151         /* Key Framing Operations */
152         int auto_key;       /* automatically detect cut scenes */
153         int key_freq;       /* maximum distance to key frame. */
154 
155         /* lagged compression (if allow_lag == 0 lag_in_frames is ignored) */
156         int allow_lag;
157         int lag_in_frames; /* how many frames lag before we start encoding */
158 
159         /*
160          * DATARATE CONTROL OPTIONS
161          */
162 
163         int end_usage; /* vbr or cbr */
164 
165         /* buffer targeting aggressiveness */
166         int under_shoot_pct;
167         int over_shoot_pct;
168 
169         /* buffering parameters */
170         int64_t starting_buffer_level;
171         int64_t optimal_buffer_level;
172         int64_t maximum_buffer_size;
173 
174         int64_t starting_buffer_level_in_ms;
175         int64_t optimal_buffer_level_in_ms;
176         int64_t maximum_buffer_size_in_ms;
177 
178         /* controlling quality */
179         int fixed_q;
180         int worst_allowed_q;
181         int best_allowed_q;
182         int cq_level;
183 
184         /* allow internal resizing */
185         int allow_spatial_resampling;
186         int resample_down_water_mark;
187         int resample_up_water_mark;
188 
189         /* allow internal frame rate alterations */
190         int allow_df;
191         int drop_frames_water_mark;
192 
193         /* two pass datarate control */
194         int two_pass_vbrbias;
195         int two_pass_vbrmin_section;
196         int two_pass_vbrmax_section;
197 
198         /*
199          * END DATARATE CONTROL OPTIONS
200          */
201 
202         /* these parameters aren't to be used in final build don't use!!! */
203         int play_alternate;
204         int alt_freq;
205         int alt_q;
206         int key_q;
207         int gold_q;
208 
209 
210         int multi_threaded;   /* how many threads to run the encoder on */
211         int token_partitions; /* how many token partitions to create */
212 
213         /* early breakout threshold: for video conf recommend 800 */
214         int encode_breakout;
215 
216         /* Bitfield defining the error resiliency features to enable.
217          * Can provide decodable frames after losses in previous
218          * frames and decodable partitions after losses in the same frame.
219          */
220         unsigned int error_resilient_mode;
221 
222         int arnr_max_frames;
223         int arnr_strength;
224         int arnr_type;
225 
226         struct vpx_fixed_buf        two_pass_stats_in;
227         struct vpx_codec_pkt_list  *output_pkt_list;
228 
229         vp8e_tuning tuning;
230 
231         /* Temporal scaling parameters */
232         unsigned int number_of_layers;
233         unsigned int target_bitrate[VPX_TS_MAX_PERIODICITY];
234         unsigned int rate_decimator[VPX_TS_MAX_PERIODICITY];
235         unsigned int periodicity;
236         unsigned int layer_id[VPX_TS_MAX_PERIODICITY];
237 
238 #if CONFIG_MULTI_RES_ENCODING
239         /* Number of total resolutions encoded */
240         unsigned int mr_total_resolutions;
241 
242         /* Current encoder ID */
243         unsigned int mr_encoder_id;
244 
245         /* Down-sampling factor */
246         vpx_rational_t mr_down_sampling_factor;
247 
248         /* Memory location to store low-resolution encoder's mode info */
249         void* mr_low_res_mode_info;
250 #endif
251     } VP8_CONFIG;
252 
253 
254     void vp8_initialize();
255 
256     struct VP8_COMP* vp8_create_compressor(VP8_CONFIG *oxcf);
257     void vp8_remove_compressor(struct VP8_COMP* *comp);
258 
259     void vp8_init_config(struct VP8_COMP* onyx, VP8_CONFIG *oxcf);
260     void vp8_change_config(struct VP8_COMP* onyx, VP8_CONFIG *oxcf);
261 
262     int vp8_receive_raw_frame(struct VP8_COMP* comp, unsigned int frame_flags, YV12_BUFFER_CONFIG *sd, int64_t time_stamp, int64_t end_time_stamp);
263     int vp8_get_compressed_data(struct VP8_COMP* comp, unsigned int *frame_flags, unsigned long *size, unsigned char *dest, unsigned char *dest_end, int64_t *time_stamp, int64_t *time_end, int flush);
264     int vp8_get_preview_raw_frame(struct VP8_COMP* comp, YV12_BUFFER_CONFIG *dest, vp8_ppflags_t *flags);
265 
266     int vp8_use_as_reference(struct VP8_COMP* comp, int ref_frame_flags);
267     int vp8_update_reference(struct VP8_COMP* comp, int ref_frame_flags);
268     int vp8_get_reference(struct VP8_COMP* comp, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd);
269     int vp8_set_reference(struct VP8_COMP* comp, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd);
270     int vp8_update_entropy(struct VP8_COMP* comp, int update);
271     int vp8_set_roimap(struct VP8_COMP* comp, unsigned char *map, unsigned int rows, unsigned int cols, int delta_q[4], int delta_lf[4], unsigned int threshold[4]);
272     int vp8_set_active_map(struct VP8_COMP* comp, unsigned char *map, unsigned int rows, unsigned int cols);
273     int vp8_set_internal_size(struct VP8_COMP* comp, VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
274     int vp8_get_quantizer(struct VP8_COMP* c);
275 
276 #ifdef __cplusplus
277 }
278 #endif
279 
280 #endif  // VP8_COMMON_ONYX_H_
281