WebM Codec SDK

vpx_encoder.h
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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_VPX_ENCODER_H_
11 #define VPX_VPX_VPX_ENCODER_H_
12
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 #include "./vpx_codec.h"
33
37 #define VPX_TS_MAX_PERIODICITY 16
38
40 #define VPX_TS_MAX_LAYERS 5
41
43 #define VPX_MAX_LAYERS 12 // 3 temporal + 4 spatial layers are allowed.
44
46 #define VPX_SS_MAX_LAYERS 5
47
49 #define VPX_SS_DEFAULT_LAYERS 1
50
59 #define VPX_ENCODER_ABI_VERSION \
60 (14 + VPX_CODEC_ABI_VERSION)
71 #define VPX_CODEC_CAP_PSNR 0x10000
78 #define VPX_CODEC_CAP_OUTPUT_PARTITION 0x20000
79
87 #define VPX_CODEC_USE_PSNR 0x10000
89 #define VPX_CODEC_USE_OUTPUT_PARTITION 0x20000
90 #define VPX_CODEC_USE_HIGHBITDEPTH 0x40000
96 typedef struct vpx_fixed_buf {
97 void *buf;
98 size_t sz;
99 } vpx_fixed_buf_t;
106 typedef int64_t vpx_codec_pts_t;
107
115 typedef uint32_t vpx_codec_frame_flags_t;
116 #define VPX_FRAME_IS_KEY 0x1
119 #define VPX_FRAME_IS_DROPPABLE 0x2
120
121 #define VPX_FRAME_IS_INVISIBLE 0x4
122
123 #define VPX_FRAME_IS_FRAGMENT 0x8
124
131 typedef uint32_t vpx_codec_er_flags_t;
133 #define VPX_ERROR_RESILIENT_DEFAULT 0x1
134
138 #define VPX_ERROR_RESILIENT_PARTITIONS 0x2
139
146 enum vpx_codec_cx_pkt_kind {
147 VPX_CODEC_CX_FRAME_PKT,
148 VPX_CODEC_STATS_PKT,
149 VPX_CODEC_FPMB_STATS_PKT,
150 VPX_CODEC_PSNR_PKT,
151 VPX_CODEC_CUSTOM_PKT = 256
152 };
153
159 typedef struct vpx_codec_cx_pkt {
160 enum vpx_codec_cx_pkt_kind kind;
161 union {
162 struct {
163 void *buf;
164 size_t sz;
166 vpx_codec_pts_t pts;
168 unsigned long duration;
169 vpx_codec_frame_flags_t flags;
173 int partition_id;
176 unsigned int width[VPX_SS_MAX_LAYERS];
177 unsigned int height[VPX_SS_MAX_LAYERS];
180 uint8_t spatial_layer_encoded[VPX_SS_MAX_LAYERS];
181 } frame;
182 vpx_fixed_buf_t twopass_stats;
183 vpx_fixed_buf_t firstpass_mb_stats;
184 struct vpx_psnr_pkt {
185 unsigned int samples[4];
186 uint64_t sse[4];
187 double psnr[4];
188 } psnr;
189 vpx_fixed_buf_t raw;
191 /* This packet size is fixed to allow codecs to extend this
192 * interface without having to manage storage for raw packets,
193 * i.e., if it's smaller than 128 bytes, you can store in the
194 * packet list directly.
195 */
196 char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)];
197 } data;
198 } vpx_codec_cx_pkt_t;
205 typedef void (*vpx_codec_enc_output_cx_pkt_cb_fn_t)(vpx_codec_cx_pkt_t *pkt,
206 void *user_data);
207
209 typedef struct vpx_codec_enc_output_cx_cb_pair {
210 vpx_codec_enc_output_cx_pkt_cb_fn_t output_cx_pkt;
211 void *user_priv;
212 } vpx_codec_priv_output_cx_pkt_cb_pair_t;
213
218 typedef struct vpx_rational {
219 int num;
220 int den;
221 } vpx_rational_t;
224 typedef enum vpx_enc_pass {
225 VPX_RC_ONE_PASS,
226 VPX_RC_FIRST_PASS,
227 VPX_RC_LAST_PASS
228 } vpx_enc_pass;
229
231 enum vpx_rc_mode {
232 VPX_VBR,
233 VPX_CBR,
234 VPX_CQ,
235 VPX_Q,
236 };
237
246 enum vpx_kf_mode {
247 VPX_KF_FIXED,
248 VPX_KF_AUTO,
249 VPX_KF_DISABLED = 0
250 };
251
259 typedef long vpx_enc_frame_flags_t;
260 #define VPX_EFLAG_FORCE_KF (1 << 0)
268 typedef struct vpx_codec_enc_cfg {
269 /*
270 * generic settings (g)
271 */
272
277 unsigned int g_usage;
278
285 unsigned int g_threads;
286
295 unsigned int g_profile;
304 unsigned int g_w;
305
313 unsigned int g_h;
314
321 vpx_bit_depth_t g_bit_depth;
322
329 unsigned int g_input_bit_depth;
330
343 struct vpx_rational g_timebase;
344
351 vpx_codec_er_flags_t g_error_resilient;
352
358 enum vpx_enc_pass g_pass;
359
372 unsigned int g_lag_in_frames;
373
374 /*
375 * rate control settings (rc)
376 */
377
391 unsigned int rc_dropframe_thresh;
392
400 unsigned int rc_resize_allowed;
401
407 unsigned int rc_scaled_width;
408
414 unsigned int rc_scaled_height;
415
422 unsigned int rc_resize_up_thresh;
423
430 unsigned int rc_resize_down_thresh;
431
440 enum vpx_rc_mode rc_end_usage;
441
447 vpx_fixed_buf_t rc_twopass_stats_in;
448
454 vpx_fixed_buf_t rc_firstpass_mb_stats_in;
455
460 unsigned int rc_target_bitrate;
461
462 /*
463 * quantizer settings
464 */
465
473 unsigned int rc_min_quantizer;
474
482 unsigned int rc_max_quantizer;
483
484 /*
485 * bitrate tolerance
486 */
487
501 unsigned int rc_undershoot_pct;
502
516 unsigned int rc_overshoot_pct;
517
518 /*
519 * decoder buffer model parameters
520 */
521
531 unsigned int rc_buf_sz;
532
540 unsigned int rc_buf_initial_sz;
541
549 unsigned int rc_buf_optimal_sz;
550
551 /*
552 * 2 pass rate control parameters
553 */
554
563 unsigned int rc_2pass_vbr_bias_pct;
564
570 unsigned int rc_2pass_vbr_minsection_pct;
571
577 unsigned int rc_2pass_vbr_maxsection_pct;
578
584 unsigned int rc_2pass_vbr_corpus_complexity;
585
586 /*
587 * keyframing settings (kf)
588 */
589
596 enum vpx_kf_mode kf_mode;
597
605 unsigned int kf_min_dist;
606
614 unsigned int kf_max_dist;
615
616 /*
617 * Spatial scalability settings (ss)
618 */
619
624 unsigned int ss_number_layers;
625
631 int ss_enable_auto_alt_ref[VPX_SS_MAX_LAYERS];
632
638 unsigned int ss_target_bitrate[VPX_SS_MAX_LAYERS];
639
644 unsigned int ts_number_layers;
645
651 unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
652
658 unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
659
667 unsigned int ts_periodicity;
668
676 unsigned int ts_layer_id[VPX_TS_MAX_PERIODICITY];
677
684 unsigned int layer_target_bitrate[VPX_MAX_LAYERS];
685
693 int temporal_layering_mode;
694 } vpx_codec_enc_cfg_t;
701 typedef struct vpx_svc_parameters {
702 int max_quantizers[VPX_MAX_LAYERS];
703 int min_quantizers[VPX_MAX_LAYERS];
704 int scaling_factor_num[VPX_MAX_LAYERS];
705 int scaling_factor_den[VPX_MAX_LAYERS];
706 int speed_per_layer[VPX_MAX_LAYERS];
707 int temporal_layering_mode;
708 } vpx_svc_extra_cfg_t;
709
732 vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t *ctx,
733 vpx_codec_iface_t *iface,
734 const vpx_codec_enc_cfg_t *cfg,
735 vpx_codec_flags_t flags, int ver);
736
741 #define vpx_codec_enc_init(ctx, iface, cfg, flags) \
742 vpx_codec_enc_init_ver(ctx, iface, cfg, flags, VPX_ENCODER_ABI_VERSION)
743
764 vpx_codec_err_t vpx_codec_enc_init_multi_ver(
765 vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg,
766 int num_enc, vpx_codec_flags_t flags, vpx_rational_t *dsf, int ver);
767
772 #define vpx_codec_enc_init_multi(ctx, iface, cfg, num_enc, flags, dsf) \
773 vpx_codec_enc_init_multi_ver(ctx, iface, cfg, num_enc, flags, dsf, \
774 VPX_ENCODER_ABI_VERSION)
775
795 vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface,
796 vpx_codec_enc_cfg_t *cfg,
797 unsigned int usage);
798
813 vpx_codec_err_t vpx_codec_enc_config_set(vpx_codec_ctx_t *ctx,
814 const vpx_codec_enc_cfg_t *cfg);
815
827 vpx_fixed_buf_t *vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx);
828
830 #define VPX_DL_REALTIME (1)
831
832 #define VPX_DL_GOOD_QUALITY (1000000)
833
834 #define VPX_DL_BEST_QUALITY (0)
835
871 vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img,
872 vpx_codec_pts_t pts, unsigned long duration,
873 vpx_enc_frame_flags_t flags,
874 unsigned long deadline);
875
919 vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t *ctx,
920 const vpx_fixed_buf_t *buf,
921 unsigned int pad_before,
922 unsigned int pad_after);
923
947 const vpx_codec_cx_pkt_t *vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx,
948 vpx_codec_iter_t *iter);
949
962 const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx);
963
965 #ifdef __cplusplus
966 }
967 #endif
968 #endif // VPX_VPX_VPX_ENCODER_H_
vpx_codec_enc_cfg::rc_2pass_vbr_minsection_pct
unsigned int rc_2pass_vbr_minsection_pct
Two-pass mode per-GOP minimum bitrate.
Definition: vpx_encoder.h:570
vpx_codec_enc_config_set
vpx_codec_err_t vpx_codec_enc_config_set(vpx_codec_ctx_t *ctx, const vpx_codec_enc_cfg_t *cfg)
Set or change configuration.
vpx_svc_parameters
vp9 svc extra configure parameters
Definition: vpx_encoder.h:701
vpx_svc_parameters::max_quantizers
int max_quantizers[12]
Definition: vpx_encoder.h:702
vpx_codec_enc_cfg::rc_firstpass_mb_stats_in
vpx_fixed_buf_t rc_firstpass_mb_stats_in
first pass mb stats buffer.
Definition: vpx_encoder.h:454
vpx_codec_cx_pkt::sse
uint64_t sse[4]
Definition: vpx_encoder.h:186
vpx_codec_ctx
Codec context structure.
Definition: vpx_codec.h:197
vpx_codec_enc_cfg::rc_2pass_vbr_corpus_complexity
unsigned int rc_2pass_vbr_corpus_complexity
Two-pass corpus vbr mode complexity control Used only in VP9: A value representing the corpus midpoin...
Definition: vpx_encoder.h:584
vpx_codec_enc_cfg::rc_scaled_height
unsigned int rc_scaled_height
Internal coded frame height.
Definition: vpx_encoder.h:414
VPX_SS_MAX_LAYERS
#define VPX_SS_MAX_LAYERS
Definition: vpx_encoder.h:46
vpx_fixed_buf
Generic fixed size buffer structure.
Definition: vpx_encoder.h:96
vpx_codec_get_global_headers
vpx_fixed_buf_t * vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx)
Get global stream headers.
vpx_codec_cx_pkt::kind
enum vpx_codec_cx_pkt_kind kind
Definition: vpx_encoder.h:160
vpx_codec_enc_cfg::ss_number_layers
unsigned int ss_number_layers
Number of spatial coding layers.
Definition: vpx_encoder.h:624
vpx_codec_enc_cfg::rc_twopass_stats_in
vpx_fixed_buf_t rc_twopass_stats_in
Two-pass stats buffer.
Definition: vpx_encoder.h:447
vpx_codec_enc_cfg
Encoder configuration structure.
Definition: vpx_encoder.h:268
vpx_codec_enc_cfg::kf_max_dist
unsigned int kf_max_dist
Keyframe maximum interval.
Definition: vpx_encoder.h:614
VPX_CODEC_PSNR_PKT
Definition: vpx_encoder.h:150
vpx_svc_parameters::min_quantizers
int min_quantizers[12]
Definition: vpx_encoder.h:703
vpx_codec_cx_pkt::height
unsigned int height[5]
Definition: vpx_encoder.h:177
VPX_VBR
Definition: vpx_encoder.h:232
vpx_enc_frame_flags_t
long vpx_enc_frame_flags_t
Encoded Frame Flags.
Definition: vpx_encoder.h:259
vpx_codec_enc_cfg::rc_buf_sz
unsigned int rc_buf_sz
Decoder Buffer Size.
Definition: vpx_encoder.h:531
vpx_rational::num
int num
Definition: vpx_encoder.h:219
vpx_codec_cx_pkt::spatial_layer_encoded
uint8_t spatial_layer_encoded[5]
Flag to indicate if spatial layer frame in this packet is encoded or dropped. VP8 will always be set ...
Definition: vpx_encoder.h:180
vpx_codec_cx_pkt::firstpass_mb_stats
vpx_fixed_buf_t firstpass_mb_stats
Definition: vpx_encoder.h:183
vpx_codec_enc_init_ver
vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, const vpx_codec_enc_cfg_t *cfg, vpx_codec_flags_t flags, int ver)
Initialize an encoder instance.
vpx_codec_get_cx_data
const vpx_codec_cx_pkt_t * vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)
Encoded data iterator.
vpx_codec_cx_pkt
Encoder output packet.
Definition: vpx_encoder.h:159
vpx_codec_iter_t
const typedef void * vpx_codec_iter_t
Iterator.
Definition: vpx_codec.h:187
vpx_codec_enc_cfg::g_w
unsigned int g_w
Width of the frame.
Definition: vpx_encoder.h:304
VPX_CODEC_CX_FRAME_PKT
Definition: vpx_encoder.h:147
vpx_codec_cx_pkt_t
struct vpx_codec_cx_pkt vpx_codec_cx_pkt_t
Encoder output packet.
VPX_TS_MAX_LAYERS
#define VPX_TS_MAX_LAYERS
Definition: vpx_encoder.h:40
vpx_codec_enc_cfg::rc_scaled_width
unsigned int rc_scaled_width
Internal coded frame width.
Definition: vpx_encoder.h:407
vpx_codec_enc_cfg::g_profile
unsigned int g_profile
Bitstream profile to use.
Definition: vpx_encoder.h:295
vpx_codec_enc_cfg::rc_overshoot_pct
unsigned int rc_overshoot_pct
Rate control adaptation overshoot control.
Definition: vpx_encoder.h:516
vpx_codec_enc_cfg::rc_resize_down_thresh
unsigned int rc_resize_down_thresh
Spatial resampling down watermark.
Definition: vpx_encoder.h:430
VPX_MAX_LAYERS
#define VPX_MAX_LAYERS
Definition: vpx_encoder.h:43
VPX_CODEC_STATS_PKT
Definition: vpx_encoder.h:148
vpx_codec_pts_t
int64_t vpx_codec_pts_t
Time Stamp Type.
Definition: vpx_encoder.h:106
VPX_RC_LAST_PASS
Definition: vpx_encoder.h:227
vpx_codec_enc_cfg_t
struct vpx_codec_enc_cfg vpx_codec_enc_cfg_t
Encoder configuration structure.
vpx_svc_parameters::scaling_factor_den
int scaling_factor_den[12]
Definition: vpx_encoder.h:705
VPX_CODEC_CUSTOM_PKT
Definition: vpx_encoder.h:151
vpx_codec_enc_cfg::g_bit_depth
vpx_bit_depth_t g_bit_depth
Bit-depth of the codec.
Definition: vpx_encoder.h:321
vpx_codec_priv_output_cx_pkt_cb_pair_t
struct vpx_codec_enc_output_cx_cb_pair vpx_codec_priv_output_cx_pkt_cb_pair_t
Callback function pointer / user data pair storage.
vpx_codec_cx_pkt::psnr
double psnr[4]
Definition: vpx_encoder.h:187
VPX_TS_MAX_PERIODICITY
#define VPX_TS_MAX_PERIODICITY
Definition: vpx_encoder.h:37
vpx_codec_enc_cfg::rc_dropframe_thresh
unsigned int rc_dropframe_thresh
Temporal resampling configuration, if supported by the codec.
Definition: vpx_encoder.h:391
vpx_svc_parameters::scaling_factor_num
int scaling_factor_num[12]
Definition: vpx_encoder.h:704
vpx_codec_enc_output_cx_cb_pair::user_priv
void * user_priv
Definition: vpx_encoder.h:211
vpx_codec_enc_cfg::g_error_resilient
vpx_codec_er_flags_t g_error_resilient
Enable error resilient modes.
Definition: vpx_encoder.h:351
vpx_image
Image Descriptor.
Definition: vpx_image.h:71
vpx_codec_enc_cfg::g_h
unsigned int g_h
Height of the frame.
Definition: vpx_encoder.h:313
vpx_codec_enc_cfg::rc_resize_up_thresh
unsigned int rc_resize_up_thresh
Spatial resampling up watermark.
Definition: vpx_encoder.h:422
vpx_codec_enc_output_cx_cb_pair::output_cx_pkt
vpx_codec_enc_output_cx_pkt_cb_fn_t output_cx_pkt
Definition: vpx_encoder.h:210
vpx_codec_enc_cfg::g_usage
unsigned int g_usage
Deprecated: Algorithm specific "usage" value.
Definition: vpx_encoder.h:277
vpx_codec_enc_cfg::rc_max_quantizer
unsigned int rc_max_quantizer
Maximum (Worst Quality) Quantizer.
Definition: vpx_encoder.h:482
vpx_codec_enc_cfg::g_lag_in_frames
unsigned int g_lag_in_frames
Allow lagged encoding.
Definition: vpx_encoder.h:372
vpx_fixed_buf_t
struct vpx_fixed_buf vpx_fixed_buf_t
Generic fixed size buffer structure.
vpx_codec_cx_pkt::sz
size_t sz
Definition: vpx_encoder.h:164
vpx_bit_depth_t
enum vpx_bit_depth vpx_bit_depth_t
Bit depth for codecThis enumeration determines the bit depth of the codec.
vpx_codec_enc_init_multi_ver
vpx_codec_err_t vpx_codec_enc_init_multi_ver(vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, int num_enc, vpx_codec_flags_t flags, vpx_rational_t *dsf, int ver)
Initialize multi-encoder instance.
vpx_codec_err_t
vpx_codec_err_t
Algorithm return codes.
Definition: vpx_codec.h:90
vpx_codec_cx_pkt::buf
void * buf
Definition: vpx_encoder.h:163
vpx_codec_enc_cfg::rc_resize_allowed
unsigned int rc_resize_allowed
Enable/disable spatial resampling, if supported by the codec.
Definition: vpx_encoder.h:400
vpx_codec_flags_t
long vpx_codec_flags_t
Initialization-time Feature Enabling.
Definition: vpx_codec.h:167
vpx_codec_cx_pkt::flags
vpx_codec_frame_flags_t flags
Definition: vpx_encoder.h:169
vpx_enc_pass
vpx_enc_pass
Multi-pass Encoding Pass.
Definition: vpx_encoder.h:224
vpx_codec_cx_pkt::duration
unsigned long duration
duration to show frame (in timebase units)
Definition: vpx_encoder.h:168
VPX_KF_FIXED
Definition: vpx_encoder.h:247
vpx_codec_cx_pkt::partition_id
int partition_id
the partition id defines the decoding order of the partitions. Only applicable when "output partition...
Definition: vpx_encoder.h:173
vpx_codec_cx_pkt::pad
char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)]
Definition: vpx_encoder.h:196
vpx_codec_cx_pkt::raw
vpx_fixed_buf_t raw
Definition: vpx_encoder.h:189
vpx_codec_enc_output_cx_cb_pair
Callback function pointer / user data pair storage.
Definition: vpx_encoder.h:209
vpx_codec_iface_t
const struct vpx_codec_iface vpx_codec_iface_t
Codec interface structure.
Definition: vpx_codec.h:174
vpx_codec_cx_pkt::pts
vpx_codec_pts_t pts
time stamp to show frame (in timebase units)
Definition: vpx_encoder.h:166
vpx_codec_enc_cfg::g_input_bit_depth
unsigned int g_input_bit_depth
Bit-depth of the input frames.
Definition: vpx_encoder.h:329
VPX_CQ
Definition: vpx_encoder.h:234
vpx_codec_cx_pkt::data
union vpx_codec_cx_pkt::@1 data
VPX_RC_FIRST_PASS
Definition: vpx_encoder.h:226
vpx_codec_enc_cfg::rc_2pass_vbr_bias_pct
unsigned int rc_2pass_vbr_bias_pct
Two-pass mode CBR/VBR bias.
Definition: vpx_encoder.h:563
vpx_codec_enc_cfg::kf_min_dist
unsigned int kf_min_dist
Keyframe minimum interval.
Definition: vpx_encoder.h:605
vpx_codec_enc_cfg::rc_min_quantizer
unsigned int rc_min_quantizer
Minimum (Best Quality) Quantizer.
Definition: vpx_encoder.h:473
vpx_codec_enc_cfg::rc_buf_initial_sz
unsigned int rc_buf_initial_sz
Decoder Buffer Initial Size.
Definition: vpx_encoder.h:540
vpx_fixed_buf::sz
size_t sz
Definition: vpx_encoder.h:98
vpx_codec_enc_output_cx_pkt_cb_fn_t
void(* vpx_codec_enc_output_cx_pkt_cb_fn_t)(vpx_codec_cx_pkt_t *pkt, void *user_data)
Encoder return output buffer callback.
Definition: vpx_encoder.h:205
vpx_codec_enc_cfg::rc_buf_optimal_sz
unsigned int rc_buf_optimal_sz
Decoder Buffer Optimal Size.
Definition: vpx_encoder.h:549
vpx_codec_set_cx_data_buf
vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t *ctx, const vpx_fixed_buf_t *buf, unsigned int pad_before, unsigned int pad_after)
Set compressed data output buffer.
VPX_KF_AUTO
Definition: vpx_encoder.h:248
vpx_kf_mode
vpx_kf_mode
Keyframe placement mode.
Definition: vpx_encoder.h:246
vpx_codec_cx_pkt_kind
vpx_codec_cx_pkt_kind
Encoder output packet variants.
Definition: vpx_encoder.h:146
vpx_svc_parameters::speed_per_layer
int speed_per_layer[12]
Definition: vpx_encoder.h:706
vpx_codec_enc_cfg::rc_target_bitrate
unsigned int rc_target_bitrate
Target data rate.
Definition: vpx_encoder.h:460
vpx_codec_enc_cfg::rc_2pass_vbr_maxsection_pct
unsigned int rc_2pass_vbr_maxsection_pct
Two-pass mode per-GOP maximum bitrate.
Definition: vpx_encoder.h:577
vpx_fixed_buf::buf
void * buf
Definition: vpx_encoder.h:97
vpx_codec_cx_pkt::twopass_stats
vpx_fixed_buf_t twopass_stats
Definition: vpx_encoder.h:182
vpx_rc_mode
vpx_rc_mode
Rate control mode.
Definition: vpx_encoder.h:231
vpx_codec_enc_cfg::g_threads
unsigned int g_threads
Maximum number of threads to use.
Definition: vpx_encoder.h:285
vpx_codec_encode
vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img, vpx_codec_pts_t pts, unsigned long duration, vpx_enc_frame_flags_t flags, unsigned long deadline)
Encode a frame.
vpx_codec_get_preview_frame
const vpx_image_t * vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx)
Get Preview Frame.
vpx_codec_cx_pkt::samples
unsigned int samples[4]
Definition: vpx_encoder.h:185
vpx_rational::den
int den
Definition: vpx_encoder.h:220
vpx_codec_enc_config_default
vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, unsigned int usage)
Get a default configuration.
vpx_codec.h
Describes the codec algorithm interface to applications.
vpx_codec_er_flags_t
uint32_t vpx_codec_er_flags_t
Error Resilient flags.
Definition: vpx_encoder.h:131
vpx_codec_cx_pkt::width
unsigned int width[5]
Width and height of frames in this packet. VP8 will only use the first one.
Definition: vpx_encoder.h:176
vpx_codec_enc_cfg::temporal_layering_mode
int temporal_layering_mode
Temporal layering mode indicating which temporal layering scheme to use.
Definition: vpx_encoder.h:693
VPX_KF_DISABLED
Definition: vpx_encoder.h:249
vpx_codec_frame_flags_t
uint32_t vpx_codec_frame_flags_t
Compressed Frame Flags.
Definition: vpx_encoder.h:115
vpx_rational
Rational Number.
Definition: vpx_encoder.h:218
vpx_rational_t
struct vpx_rational vpx_rational_t
Rational Number.
VPX_RC_ONE_PASS
Definition: vpx_encoder.h:225
vpx_svc_extra_cfg_t
struct vpx_svc_parameters vpx_svc_extra_cfg_t
vp9 svc extra configure parameters
VPX_CBR
Definition: vpx_encoder.h:233
vpx_codec_enc_cfg::ts_number_layers
unsigned int ts_number_layers
Number of temporal coding layers.
Definition: vpx_encoder.h:644
vpx_codec_cx_pkt::frame
struct vpx_codec_cx_pkt::@1::@2 frame
vpx_svc_parameters::temporal_layering_mode
int temporal_layering_mode
Definition: vpx_encoder.h:707
vpx_codec_enc_cfg::rc_undershoot_pct
unsigned int rc_undershoot_pct
Rate control adaptation undershoot control.
Definition: vpx_encoder.h:501
VPX_CODEC_FPMB_STATS_PKT
Definition: vpx_encoder.h:149
VPX_Q
Definition: vpx_encoder.h:235
vpx_codec_enc_cfg::ts_periodicity
unsigned int ts_periodicity
Length of the sequence defining frame temporal layer membership.
Definition: vpx_encoder.h:667