WebM Codec SDK: vpx/vpx_encoder.h Source File

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_ENCODER_H_
11 #define 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 MAX_PERIODICITY VPX_TS_MAX_PERIODICITY
44
46 #define VPX_MAX_LAYERS 12 // 3 temporal + 4 spatial layers are allowed.
47
49 #define MAX_LAYERS VPX_MAX_LAYERS // 3 temporal + 4 spatial layers allowed.
50
52 #define VPX_SS_MAX_LAYERS 5
53
55 #define VPX_SS_DEFAULT_LAYERS 1
56
65 #define VPX_ENCODER_ABI_VERSION \
66 (6 + VPX_CODEC_ABI_VERSION)
77 #define VPX_CODEC_CAP_PSNR 0x10000
84 #define VPX_CODEC_CAP_OUTPUT_PARTITION 0x20000
85
93 #define VPX_CODEC_USE_PSNR 0x10000
95 #define VPX_CODEC_USE_OUTPUT_PARTITION 0x20000
96 #define VPX_CODEC_USE_HIGHBITDEPTH 0x40000
102 typedef struct vpx_fixed_buf {
103 void *buf;
104 size_t sz;
105 } vpx_fixed_buf_t;
112 typedef int64_t vpx_codec_pts_t;
113
121 typedef uint32_t vpx_codec_frame_flags_t;
122 #define VPX_FRAME_IS_KEY 0x1
125 #define VPX_FRAME_IS_DROPPABLE 0x2
126
127 #define VPX_FRAME_IS_INVISIBLE 0x4
128
129 #define VPX_FRAME_IS_FRAGMENT 0x8
130
137 typedef uint32_t vpx_codec_er_flags_t;
139 #define VPX_ERROR_RESILIENT_DEFAULT 0x1
140
144 #define VPX_ERROR_RESILIENT_PARTITIONS 0x2
145
152 enum vpx_codec_cx_pkt_kind {
153 VPX_CODEC_CX_FRAME_PKT,
154 VPX_CODEC_STATS_PKT,
155 VPX_CODEC_FPMB_STATS_PKT,
156 VPX_CODEC_PSNR_PKT,
157 // Spatial SVC is still experimental and may be removed.
158 #if defined(VPX_TEST_SPATIAL_SVC)
159 VPX_CODEC_SPATIAL_SVC_LAYER_SIZES,
160 VPX_CODEC_SPATIAL_SVC_LAYER_PSNR,
161 #endif
162 VPX_CODEC_CUSTOM_PKT = 256
163 };
164
170 typedef struct vpx_codec_cx_pkt {
171 enum vpx_codec_cx_pkt_kind kind;
172 union {
173 struct {
174 void *buf;
175 size_t sz;
177 vpx_codec_pts_t pts;
179 unsigned long duration;
180 vpx_codec_frame_flags_t flags;
184 int partition_id;
185 } frame;
186 vpx_fixed_buf_t twopass_stats;
187 vpx_fixed_buf_t firstpass_mb_stats;
188 struct vpx_psnr_pkt {
189 unsigned int samples[4];
190 uint64_t sse[4];
191 double psnr[4];
192 } psnr;
193 vpx_fixed_buf_t raw;
194 // Spatial SVC is still experimental and may be removed.
195 #if defined(VPX_TEST_SPATIAL_SVC)
196 size_t layer_sizes[VPX_SS_MAX_LAYERS];
197 struct vpx_psnr_pkt layer_psnr[VPX_SS_MAX_LAYERS];
198 #endif
199
200 /* This packet size is fixed to allow codecs to extend this
201 * interface without having to manage storage for raw packets,
202 * i.e., if it's smaller than 128 bytes, you can store in the
203 * packet list directly.
204 */
205 char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)];
206 } data;
207 } vpx_codec_cx_pkt_t;
214 // putting the definitions here for now. (agrange: find if there
215 // is a better place for this)
216 typedef void (*vpx_codec_enc_output_cx_pkt_cb_fn_t)(vpx_codec_cx_pkt_t *pkt,
217 void *user_data);
218
220 typedef struct vpx_codec_enc_output_cx_cb_pair {
221 vpx_codec_enc_output_cx_pkt_cb_fn_t output_cx_pkt;
222 void *user_priv;
223 } vpx_codec_priv_output_cx_pkt_cb_pair_t;
224
229 typedef struct vpx_rational {
230 int num;
231 int den;
232 } vpx_rational_t;
235 enum vpx_enc_pass {
236 VPX_RC_ONE_PASS,
237 VPX_RC_FIRST_PASS,
238 VPX_RC_LAST_PASS
239 };
240
242 enum vpx_rc_mode {
243 VPX_VBR,
244 VPX_CBR,
245 VPX_CQ,
246 VPX_Q,
247 };
248
257 enum vpx_kf_mode {
258 VPX_KF_FIXED,
259 VPX_KF_AUTO,
260 VPX_KF_DISABLED = 0
261 };
262
270 typedef long vpx_enc_frame_flags_t;
271 #define VPX_EFLAG_FORCE_KF (1 << 0)
279 typedef struct vpx_codec_enc_cfg {
280 /*
281 * generic settings (g)
282 */
283
291 unsigned int g_usage;
292
299 unsigned int g_threads;
300
309 unsigned int g_profile;
318 unsigned int g_w;
319
327 unsigned int g_h;
328
335 vpx_bit_depth_t g_bit_depth;
336
343 unsigned int g_input_bit_depth;
344
357 struct vpx_rational g_timebase;
358
365 vpx_codec_er_flags_t g_error_resilient;
366
372 enum vpx_enc_pass g_pass;
373
386 unsigned int g_lag_in_frames;
387
388 /*
389 * rate control settings (rc)
390 */
391
408 unsigned int rc_dropframe_thresh;
409
417 unsigned int rc_resize_allowed;
418
424 unsigned int rc_scaled_width;
425
431 unsigned int rc_scaled_height;
432
439 unsigned int rc_resize_up_thresh;
440
447 unsigned int rc_resize_down_thresh;
448
457 enum vpx_rc_mode rc_end_usage;
458
464 vpx_fixed_buf_t rc_twopass_stats_in;
465
471 vpx_fixed_buf_t rc_firstpass_mb_stats_in;
472
477 unsigned int rc_target_bitrate;
478
479 /*
480 * quantizer settings
481 */
482
491 unsigned int rc_min_quantizer;
492
501 unsigned int rc_max_quantizer;
502
503 /*
504 * bitrate tolerance
505 */
506
520 unsigned int rc_undershoot_pct;
521
535 unsigned int rc_overshoot_pct;
536
537 /*
538 * decoder buffer model parameters
539 */
540
550 unsigned int rc_buf_sz;
551
559 unsigned int rc_buf_initial_sz;
560
568 unsigned int rc_buf_optimal_sz;
569
570 /*
571 * 2 pass rate control parameters
572 */
573
582 unsigned int rc_2pass_vbr_bias_pct;
583
589 unsigned int rc_2pass_vbr_minsection_pct;
590
596 unsigned int rc_2pass_vbr_maxsection_pct;
597
603 unsigned int rc_2pass_vbr_corpus_complexity;
604
605 /*
606 * keyframing settings (kf)
607 */
608
615 enum vpx_kf_mode kf_mode;
616
624 unsigned int kf_min_dist;
625
633 unsigned int kf_max_dist;
634
635 /*
636 * Spatial scalability settings (ss)
637 */
638
643 unsigned int ss_number_layers;
644
650 int ss_enable_auto_alt_ref[VPX_SS_MAX_LAYERS];
651
657 unsigned int ss_target_bitrate[VPX_SS_MAX_LAYERS];
658
663 unsigned int ts_number_layers;
664
670 unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
671
677 unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
678
686 unsigned int ts_periodicity;
687
695 unsigned int ts_layer_id[VPX_TS_MAX_PERIODICITY];
696
703 unsigned int layer_target_bitrate[VPX_MAX_LAYERS];
704
712 int temporal_layering_mode;
713 } vpx_codec_enc_cfg_t;
720 typedef struct vpx_svc_parameters {
721 int max_quantizers[VPX_MAX_LAYERS];
722 int min_quantizers[VPX_MAX_LAYERS];
723 int scaling_factor_num[VPX_MAX_LAYERS];
724 int scaling_factor_den[VPX_MAX_LAYERS];
725 int speed_per_layer[VPX_MAX_LAYERS];
726 int temporal_layering_mode;
727 } vpx_svc_extra_cfg_t;
728
751 vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t *ctx,
752 vpx_codec_iface_t *iface,
753 const vpx_codec_enc_cfg_t *cfg,
754 vpx_codec_flags_t flags, int ver);
755
760 #define vpx_codec_enc_init(ctx, iface, cfg, flags) \
761 vpx_codec_enc_init_ver(ctx, iface, cfg, flags, VPX_ENCODER_ABI_VERSION)
762
783 vpx_codec_err_t vpx_codec_enc_init_multi_ver(
784 vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg,
785 int num_enc, vpx_codec_flags_t flags, vpx_rational_t *dsf, int ver);
786
791 #define vpx_codec_enc_init_multi(ctx, iface, cfg, num_enc, flags, dsf) \
792 vpx_codec_enc_init_multi_ver(ctx, iface, cfg, num_enc, flags, dsf, \
793 VPX_ENCODER_ABI_VERSION)
794
814 vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface,
815 vpx_codec_enc_cfg_t *cfg,
816 unsigned int reserved);
817
832 vpx_codec_err_t vpx_codec_enc_config_set(vpx_codec_ctx_t *ctx,
833 const vpx_codec_enc_cfg_t *cfg);
834
846 vpx_fixed_buf_t *vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx);
847
849 #define VPX_DL_REALTIME (1)
850
851 #define VPX_DL_GOOD_QUALITY (1000000)
852
853 #define VPX_DL_BEST_QUALITY (0)
854
890 vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img,
891 vpx_codec_pts_t pts, unsigned long duration,
892 vpx_enc_frame_flags_t flags,
893 unsigned long deadline);
894
938 vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t *ctx,
939 const vpx_fixed_buf_t *buf,
940 unsigned int pad_before,
941 unsigned int pad_after);
942
966 const vpx_codec_cx_pkt_t *vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx,
967 vpx_codec_iter_t *iter);
968
981 const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx);
982
984 #ifdef __cplusplus
985 }
986 #endif
987 #endif // VPX_VPX_ENCODER_H_
vpx_rational
Rational Number.
Definition: vpx_encoder.h:229
vpx_codec_enc_cfg::rc_buf_initial_sz
unsigned int rc_buf_initial_sz
Decoder Buffer Initial Size.
Definition: vpx_encoder.h:559
vpx_codec_cx_pkt::twopass_stats
vpx_fixed_buf_t twopass_stats
Definition: vpx_encoder.h:186
vpx_svc_parameters::min_quantizers
int min_quantizers[12]
Definition: vpx_encoder.h:722
vpx_codec_enc_cfg::ts_number_layers
unsigned int ts_number_layers
Number of temporal coding layers.
Definition: vpx_encoder.h:663
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_MAX_LAYERS
#define VPX_MAX_LAYERS
Definition: vpx_encoder.h:46
VPX_Q
Definition: vpx_encoder.h:246
vpx_image
Image Descriptor.
Definition: vpx_image.h:88
vpx_svc_parameters::temporal_layering_mode
int temporal_layering_mode
Definition: vpx_encoder.h:726
vpx_codec_cx_pkt::pts
vpx_codec_pts_t pts
time stamp to show frame (in timebase units)
Definition: vpx_encoder.h:177
vpx_kf_mode
vpx_kf_mode
Keyframe placement mode.
Definition: vpx_encoder.h:257
vpx_codec_enc_cfg::rc_scaled_width
unsigned int rc_scaled_width
Internal coded frame width.
Definition: vpx_encoder.h:424
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:216
VPX_TS_MAX_LAYERS
#define VPX_TS_MAX_LAYERS
Definition: vpx_encoder.h:40
VPX_CBR
Definition: vpx_encoder.h:244
vpx_codec_enc_cfg::g_usage
unsigned int g_usage
Algorithm specific "usage" value.
Definition: vpx_encoder.h:291
vpx_codec_enc_cfg_t
struct vpx_codec_enc_cfg vpx_codec_enc_cfg_t
Encoder configuration structure.
vpx_fixed_buf_t
struct vpx_fixed_buf vpx_fixed_buf_t
Generic fixed size buffer structure.
vpx_codec_enc_cfg::rc_buf_sz
unsigned int rc_buf_sz
Decoder Buffer Size.
Definition: vpx_encoder.h:550
vpx_codec_enc_cfg::g_input_bit_depth
unsigned int g_input_bit_depth
Bit-depth of the input frames.
Definition: vpx_encoder.h:343
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:221
vpx_rational::den
int den
Definition: vpx_encoder.h:231
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_enc_cfg::rc_max_quantizer
unsigned int rc_max_quantizer
Maximum (Worst Quality) Quantizer.
Definition: vpx_encoder.h:501
vpx_svc_extra_cfg_t
struct vpx_svc_parameters vpx_svc_extra_cfg_t
vp9 svc extra configure parameters
vpx_codec_enc_cfg::rc_min_quantizer
unsigned int rc_min_quantizer
Minimum (Best Quality) Quantizer.
Definition: vpx_encoder.h:491
VPX_CODEC_STATS_PKT
Definition: vpx_encoder.h:154
vpx_codec_cx_pkt::pad
char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)]
Definition: vpx_encoder.h:205
vpx_codec_enc_cfg::kf_max_dist
unsigned int kf_max_dist
Keyframe maximum interval.
Definition: vpx_encoder.h:633
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:184
vpx_codec_enc_cfg::g_lag_in_frames
unsigned int g_lag_in_frames
Allow lagged encoding.
Definition: vpx_encoder.h:386
vpx_enc_pass
vpx_enc_pass
Multi-pass Encoding Pass.
Definition: vpx_encoder.h:235
vpx_codec_enc_cfg
Encoder configuration structure.
Definition: vpx_encoder.h:279
VPX_CODEC_CUSTOM_PKT
Definition: vpx_encoder.h:162
VPX_CODEC_PSNR_PKT
Definition: vpx_encoder.h:156
VPX_KF_AUTO
Definition: vpx_encoder.h:259
vpx_codec_enc_output_cx_cb_pair::user_priv
void * user_priv
Definition: vpx_encoder.h:222
vpx_codec_cx_pkt
Encoder output packet.
Definition: vpx_encoder.h:170
vpx_codec_enc_cfg::rc_overshoot_pct
unsigned int rc_overshoot_pct
Rate control adaptation overshoot control.
Definition: vpx_encoder.h:535
vpx_fixed_buf::buf
void * buf
Definition: vpx_encoder.h:103
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:582
vpx_codec_enc_cfg::rc_buf_optimal_sz
unsigned int rc_buf_optimal_sz
Decoder Buffer Optimal Size.
Definition: vpx_encoder.h:568
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_fixed_buf
Generic fixed size buffer structure.
Definition: vpx_encoder.h:102
vpx_codec_frame_flags_t
uint32_t vpx_codec_frame_flags_t
Compressed Frame Flags.
Definition: vpx_encoder.h:121
vpx_codec_enc_cfg::kf_min_dist
unsigned int kf_min_dist
Keyframe minimum interval.
Definition: vpx_encoder.h:624
VPX_RC_FIRST_PASS
Definition: vpx_encoder.h:237
vpx_codec_enc_cfg::g_profile
unsigned int g_profile
Bitstream profile to use.
Definition: vpx_encoder.h:309
VPX_RC_LAST_PASS
Definition: vpx_encoder.h:238
vpx_codec_cx_pkt::frame
struct vpx_codec_cx_pkt::@1::@2 frame
VPX_SS_MAX_LAYERS
#define VPX_SS_MAX_LAYERS
Definition: vpx_encoder.h:52
vpx_svc_parameters::scaling_factor_num
int scaling_factor_num[12]
Definition: vpx_encoder.h:723
vpx_codec_enc_cfg::g_w
unsigned int g_w
Width of the frame.
Definition: vpx_encoder.h:318
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_cfg::rc_undershoot_pct
unsigned int rc_undershoot_pct
Rate control adaptation undershoot control.
Definition: vpx_encoder.h:520
vpx_codec_cx_pkt::sse
uint64_t sse[4]
Definition: vpx_encoder.h:190
vpx_codec_enc_cfg::g_h
unsigned int g_h
Height of the frame.
Definition: vpx_encoder.h:327
vpx_codec_cx_pkt::sz
size_t sz
Definition: vpx_encoder.h:175
vpx_codec_cx_pkt::kind
enum vpx_codec_cx_pkt_kind kind
Definition: vpx_encoder.h:171
vpx_codec_enc_cfg::rc_dropframe_thresh
unsigned int rc_dropframe_thresh
Temporal resampling configuration, if supported by the codec.
Definition: vpx_encoder.h:408
vpx_codec_cx_pkt::raw
vpx_fixed_buf_t raw
Definition: vpx_encoder.h:193
vpx_codec_enc_output_cx_cb_pair
Callback function pointer / user data pair storage.
Definition: vpx_encoder.h:220
vpx_enc_frame_flags_t
long vpx_enc_frame_flags_t
Encoded Frame Flags.
Definition: vpx_encoder.h:270
vpx_codec_enc_cfg::rc_target_bitrate
unsigned int rc_target_bitrate
Target data rate.
Definition: vpx_encoder.h:477
vpx_rational::num
int num
Definition: vpx_encoder.h:230
vpx_codec_iface_t
const struct vpx_codec_iface vpx_codec_iface_t
Codec interface structure.
Definition: vpx_codec.h:174
vpx_codec_flags_t
long vpx_codec_flags_t
Initialization-time Feature Enabling.
Definition: vpx_codec.h:167
vpx_codec_cx_pkt_kind
vpx_codec_cx_pkt_kind
Encoder output packet variants.
Definition: vpx_encoder.h:152
VPX_VBR
Definition: vpx_encoder.h:243
vpx_codec_cx_pkt::psnr
double psnr[4]
Definition: vpx_encoder.h:191
VPX_KF_FIXED
Definition: vpx_encoder.h:258
vpx_codec_enc_cfg::g_threads
unsigned int g_threads
Maximum number of threads to use.
Definition: vpx_encoder.h:299
vpx_codec_cx_pkt::samples
unsigned int samples[4]
Definition: vpx_encoder.h:189
vpx_codec_cx_pkt::firstpass_mb_stats
vpx_fixed_buf_t firstpass_mb_stats
Definition: vpx_encoder.h:187
vpx_rc_mode
vpx_rc_mode
Rate control mode.
Definition: vpx_encoder.h:242
vpx_codec_get_preview_frame
const vpx_image_t * vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx)
Get Preview Frame.
vpx_codec_enc_cfg::ss_number_layers
unsigned int ss_number_layers
Number of spatial coding layers.
Definition: vpx_encoder.h:643
vpx_codec_cx_pkt::duration
unsigned long duration
duration to show frame (in timebase units)
Definition: vpx_encoder.h:179
vpx_codec_enc_cfg::g_bit_depth
vpx_bit_depth_t g_bit_depth
Bit-depth of the codec.
Definition: vpx_encoder.h:335
vpx_codec_er_flags_t
uint32_t vpx_codec_er_flags_t
Error Resilient flags.
Definition: vpx_encoder.h:137
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:417
vpx_codec_err_t
vpx_codec_err_t
Algorithm return codes.
Definition: vpx_codec.h:90
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::data
union vpx_codec_cx_pkt::@1 data
vpx_codec_cx_pkt_t
struct vpx_codec_cx_pkt vpx_codec_cx_pkt_t
Encoder output packet.
vpx_rational_t
struct vpx_rational vpx_rational_t
Rational Number.
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:712
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_enc_cfg::rc_twopass_stats_in
vpx_fixed_buf_t rc_twopass_stats_in
Two-pass stats buffer.
Definition: vpx_encoder.h:464
VPX_KF_DISABLED
Definition: vpx_encoder.h:260
vpx_svc_parameters::speed_per_layer
int speed_per_layer[12]
Definition: vpx_encoder.h:725
vpx_codec_enc_cfg::rc_scaled_height
unsigned int rc_scaled_height
Internal coded frame height.
Definition: vpx_encoder.h:431
VPX_CODEC_FPMB_STATS_PKT
Definition: vpx_encoder.h:155
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:471
vpx_codec_pts_t
int64_t vpx_codec_pts_t
Time Stamp Type.
Definition: vpx_encoder.h:112
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 reserved)
Get a default configuration.
VPX_TS_MAX_PERIODICITY
#define VPX_TS_MAX_PERIODICITY
Definition: vpx_encoder.h:37
vpx_codec_get_global_headers
vpx_fixed_buf_t * vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx)
Get global stream headers.
VPX_CQ
Definition: vpx_encoder.h:245
vpx_codec.h
Describes the codec algorithm interface to applications.
vpx_codec_enc_cfg::ts_periodicity
unsigned int ts_periodicity
Length of the sequence defining frame temporal layer membership.
Definition: vpx_encoder.h:686
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_fixed_buf::sz
size_t sz
Definition: vpx_encoder.h:104
vpx_codec_enc_cfg::rc_resize_down_thresh
unsigned int rc_resize_down_thresh
Spatial resampling down watermark.
Definition: vpx_encoder.h:447
vpx_svc_parameters::scaling_factor_den
int scaling_factor_den[12]
Definition: vpx_encoder.h:724
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_iter_t
const void * vpx_codec_iter_t
Iterator.
Definition: vpx_codec.h:187
VPX_CODEC_CX_FRAME_PKT
Definition: vpx_encoder.h:153
vpx_svc_parameters::max_quantizers
int max_quantizers[12]
Definition: vpx_encoder.h:721
vpx_codec_cx_pkt::flags
vpx_codec_frame_flags_t flags
Definition: vpx_encoder.h:180
vpx_codec_cx_pkt::buf
void * buf
Definition: vpx_encoder.h:174
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:596
vpx_svc_parameters
vp9 svc extra configure parameters
Definition: vpx_encoder.h:720
vpx_codec_enc_cfg::g_error_resilient
vpx_codec_er_flags_t g_error_resilient
Enable error resilient modes.
Definition: vpx_encoder.h:365
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:589
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:603
vpx_codec_enc_cfg::rc_resize_up_thresh
unsigned int rc_resize_up_thresh
Spatial resampling up watermark.
Definition: vpx_encoder.h:439
VPX_RC_ONE_PASS
Definition: vpx_encoder.h:236
vpx_codec_ctx
Codec context structure.
Definition: vpx_codec.h:197