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libxavs.c
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1 /*
2  * AVS encoding using the xavs library
3  * Copyright (C) 2010 Amanda, Y.N. Wu <amanda11192003@gmail.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdint.h>
27 #include <float.h>
28 #include <xavs.h>
29 #include "avcodec.h"
30 #include "internal.h"
31 #include "libavutil/internal.h"
32 #include "libavutil/mem.h"
33 #include "libavutil/opt.h"
34 
35 #define END_OF_STREAM 0x001
36 
37 #define XAVS_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */
38 #define XAVS_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */
39 #define XAVS_PART_B8X8 0x100 /* Analyze b16x8, b*/
40 
41 typedef struct XavsContext {
42  AVClass *class;
43  xavs_param_t params;
44  xavs_t *enc;
45  xavs_picture_t pic;
47  int sei_size;
49  float crf;
50  int cqp;
51  int b_bias;
52  float cplxblur;
54  int aud;
57  int mbtree;
63 
64  int64_t *pts_buffer;
66 } XavsContext;
67 
68 static void XAVS_log(void *p, int level, const char *fmt, va_list args)
69 {
70  static const int level_map[] = {
71  [XAVS_LOG_ERROR] = AV_LOG_ERROR,
72  [XAVS_LOG_WARNING] = AV_LOG_WARNING,
73  [XAVS_LOG_INFO] = AV_LOG_INFO,
74  [XAVS_LOG_DEBUG] = AV_LOG_DEBUG
75  };
76 
77  if (level < 0 || level > XAVS_LOG_DEBUG)
78  return;
79 
80  av_vlog(p, level_map[level], fmt, args);
81 }
82 
84  xavs_nal_t *nals, int nnal)
85 {
86  XavsContext *x4 = ctx->priv_data;
87  uint8_t *p;
88  int i, s, ret, size = x4->sei_size + AV_INPUT_BUFFER_MIN_SIZE;
89 
90  if (!nnal)
91  return 0;
92 
93  for (i = 0; i < nnal; i++)
94  size += nals[i].i_payload;
95 
96  if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
97  return ret;
98  p = pkt->data;
99 
100  /* Write the SEI as part of the first frame. */
101  if (x4->sei_size > 0 && nnal > 0) {
102  memcpy(p, x4->sei, x4->sei_size);
103  p += x4->sei_size;
104  x4->sei_size = 0;
105  }
106 
107  for (i = 0; i < nnal; i++) {
108  s = xavs_nal_encode(p, &size, 1, nals + i);
109  if (s < 0)
110  return -1;
111  p += s;
112  }
113  pkt->size = p - pkt->data;
114 
115  return 1;
116 }
117 
118 static int XAVS_frame(AVCodecContext *avctx, AVPacket *pkt,
119  const AVFrame *frame, int *got_packet)
120 {
121  XavsContext *x4 = avctx->priv_data;
122  xavs_nal_t *nal;
123  int nnal, i, ret;
124  xavs_picture_t pic_out;
125  int pict_type;
126 
127  x4->pic.img.i_csp = XAVS_CSP_I420;
128  x4->pic.img.i_plane = 3;
129 
130  if (frame) {
131  for (i = 0; i < 3; i++) {
132  x4->pic.img.plane[i] = frame->data[i];
133  x4->pic.img.i_stride[i] = frame->linesize[i];
134  }
135 
136  x4->pic.i_pts = frame->pts;
137  x4->pic.i_type = XAVS_TYPE_AUTO;
138  x4->pts_buffer[avctx->frame_number % (avctx->max_b_frames+1)] = frame->pts;
139  }
140 
141  if (xavs_encoder_encode(x4->enc, &nal, &nnal,
142  frame? &x4->pic: NULL, &pic_out) < 0)
143  return -1;
144 
145  ret = encode_nals(avctx, pkt, nal, nnal);
146 
147  if (ret < 0)
148  return -1;
149 
150  if (!ret) {
151  if (!frame && !(x4->end_of_stream)) {
152  if ((ret = ff_alloc_packet2(avctx, pkt, 4, 0)) < 0)
153  return ret;
154 
155  pkt->data[0] = 0x0;
156  pkt->data[1] = 0x0;
157  pkt->data[2] = 0x01;
158  pkt->data[3] = 0xb1;
159  pkt->dts = 2*x4->pts_buffer[(x4->out_frame_count-1)%(avctx->max_b_frames+1)] -
160  x4->pts_buffer[(x4->out_frame_count-2)%(avctx->max_b_frames+1)];
162  *got_packet = 1;
163  }
164  return 0;
165  }
166 
167 #if FF_API_CODED_FRAME
169  avctx->coded_frame->pts = pic_out.i_pts;
171 #endif
172  pkt->pts = pic_out.i_pts;
173  if (avctx->has_b_frames) {
174  if (!x4->out_frame_count)
175  pkt->dts = pkt->pts - (x4->pts_buffer[1] - x4->pts_buffer[0]);
176  else
177  pkt->dts = x4->pts_buffer[(x4->out_frame_count-1)%(avctx->max_b_frames+1)];
178  } else
179  pkt->dts = pkt->pts;
180 
181  switch (pic_out.i_type) {
182  case XAVS_TYPE_IDR:
183  case XAVS_TYPE_I:
184  pict_type = AV_PICTURE_TYPE_I;
185  break;
186  case XAVS_TYPE_P:
187  pict_type = AV_PICTURE_TYPE_P;
188  break;
189  case XAVS_TYPE_B:
190  case XAVS_TYPE_BREF:
191  pict_type = AV_PICTURE_TYPE_B;
192  break;
193  default:
194  pict_type = AV_PICTURE_TYPE_NONE;
195  }
196 #if FF_API_CODED_FRAME
198  avctx->coded_frame->pict_type = pict_type;
200 #endif
201 
202  /* There is no IDR frame in AVS JiZhun */
203  /* Sequence header is used as a flag */
204  if (pic_out.i_type == XAVS_TYPE_I) {
205 #if FF_API_CODED_FRAME
207  avctx->coded_frame->key_frame = 1;
209 #endif
210  pkt->flags |= AV_PKT_FLAG_KEY;
211  }
212 
213 #if FF_API_CODED_FRAME
215  avctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
217 #endif
218 
219  ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
220 
221  x4->out_frame_count++;
222  *got_packet = ret;
223  return 0;
224 }
225 
227 {
228  XavsContext *x4 = avctx->priv_data;
229 
230  av_freep(&avctx->extradata);
231  av_freep(&x4->sei);
232  av_freep(&x4->pts_buffer);
233 
234  if (x4->enc)
235  xavs_encoder_close(x4->enc);
236 
237  return 0;
238 }
239 
240 static av_cold int XAVS_init(AVCodecContext *avctx)
241 {
242  XavsContext *x4 = avctx->priv_data;
243 
244  x4->sei_size = 0;
245  xavs_param_default(&x4->params);
246 
247  x4->params.pf_log = XAVS_log;
248  x4->params.p_log_private = avctx;
249  x4->params.i_keyint_max = avctx->gop_size;
250  if (avctx->bit_rate) {
251  x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
252  x4->params.rc.i_rc_method = XAVS_RC_ABR;
253  }
254  x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
255  x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
256  x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
257  if (avctx->flags & AV_CODEC_FLAG_PASS2) {
258  x4->params.rc.b_stat_read = 1;
259  } else {
260  if (x4->crf >= 0) {
261  x4->params.rc.i_rc_method = XAVS_RC_CRF;
262  x4->params.rc.f_rf_constant = x4->crf;
263  } else if (x4->cqp >= 0) {
264  x4->params.rc.i_rc_method = XAVS_RC_CQP;
265  x4->params.rc.i_qp_constant = x4->cqp;
266  }
267  }
268 
269  if (x4->aud >= 0)
270  x4->params.b_aud = x4->aud;
271  if (x4->mbtree >= 0)
272  x4->params.rc.b_mb_tree = x4->mbtree;
273  if (x4->direct_pred >= 0)
274  x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
275  if (x4->fast_pskip >= 0)
276  x4->params.analyse.b_fast_pskip = x4->fast_pskip;
277  if (x4->motion_est >= 0)
278  x4->params.analyse.i_me_method = x4->motion_est;
279  if (x4->mixed_refs >= 0)
280  x4->params.analyse.b_mixed_references = x4->mixed_refs;
281  if (x4->b_bias != INT_MIN)
282  x4->params.i_bframe_bias = x4->b_bias;
283  if (x4->cplxblur >= 0)
284  x4->params.rc.f_complexity_blur = x4->cplxblur;
285 
286 #if FF_API_MOTION_EST
288  if (x4->motion_est < 0) {
289  switch (avctx->me_method) {
290  case ME_EPZS:
291  x4->params.analyse.i_me_method = XAVS_ME_DIA;
292  break;
293  case ME_HEX:
294  x4->params.analyse.i_me_method = XAVS_ME_HEX;
295  break;
296  case ME_UMH:
297  x4->params.analyse.i_me_method = XAVS_ME_UMH;
298  break;
299  case ME_FULL:
300  x4->params.analyse.i_me_method = XAVS_ME_ESA;
301  break;
302  case ME_TESA:
303  x4->params.analyse.i_me_method = XAVS_ME_TESA;
304  break;
305  default:
306  x4->params.analyse.i_me_method = XAVS_ME_HEX;
307  }
308  }
310 #endif
311 
312  x4->params.i_bframe = avctx->max_b_frames;
313  /* cabac is not included in AVS JiZhun Profile */
314  x4->params.b_cabac = 0;
315 
316 #if FF_API_PRIVATE_OPT
318  if (avctx->b_frame_strategy)
319  x4->b_frame_strategy = avctx->b_frame_strategy;
321 #endif
322 
323  x4->params.i_bframe_adaptive = x4->b_frame_strategy;
324 
325  avctx->has_b_frames = !!avctx->max_b_frames;
326 
327  /* AVS doesn't allow B picture as reference */
328  /* The max allowed reference frame number of B is 2 */
329  x4->params.i_keyint_min = avctx->keyint_min;
330  if (x4->params.i_keyint_min > x4->params.i_keyint_max)
331  x4->params.i_keyint_min = x4->params.i_keyint_max;
332 
333 #if FF_API_PRIVATE_OPT
335  if (avctx->scenechange_threshold)
338 #endif
339 
340  x4->params.i_scenecut_threshold = x4->scenechange_threshold;
341 
342  // x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
343 
344  x4->params.rc.i_qp_min = avctx->qmin;
345  x4->params.rc.i_qp_max = avctx->qmax;
346  x4->params.rc.i_qp_step = avctx->max_qdiff;
347 
348  x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
349  x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
350 
351  x4->params.i_frame_reference = avctx->refs;
352 
353  x4->params.i_width = avctx->width;
354  x4->params.i_height = avctx->height;
355  x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
356  x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
357  /* This is only used for counting the fps */
358  x4->params.i_fps_num = avctx->time_base.den;
359  x4->params.i_fps_den = avctx->time_base.num;
360  x4->params.analyse.inter = XAVS_ANALYSE_I8x8 |XAVS_ANALYSE_PSUB16x16| XAVS_ANALYSE_BSUB16x16;
361 
362  x4->params.analyse.i_me_range = avctx->me_range;
363  x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
364 
365  x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
366  /* AVS P2 only enables 8x8 transform */
367  x4->params.analyse.b_transform_8x8 = 1; //avctx->flags2 & AV_CODEC_FLAG2_8X8DCT;
368 
369  x4->params.analyse.i_trellis = avctx->trellis;
370 
371 #if FF_API_PRIVATE_OPT
373  if (avctx->noise_reduction >= 0)
374  x4->noise_reduction = avctx->noise_reduction;
376 #endif
377 
378  x4->params.analyse.i_noise_reduction = x4->noise_reduction;
379 
380  if (avctx->level > 0)
381  x4->params.i_level_idc = avctx->level;
382 
383  if (avctx->bit_rate > 0)
384  x4->params.rc.f_rate_tolerance =
385  (float)avctx->bit_rate_tolerance / avctx->bit_rate;
386 
387  if ((avctx->rc_buffer_size) &&
388  (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
389  x4->params.rc.f_vbv_buffer_init =
390  (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
391  } else
392  x4->params.rc.f_vbv_buffer_init = 0.9;
393 
394  /* TAG:do we have MB tree RC method */
395  /* what is the RC method we are now using? Default NO */
396  x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
397  x4->params.rc.f_pb_factor = avctx->b_quant_factor;
398 
399 #if FF_API_PRIVATE_OPT
401  if (avctx->chromaoffset)
402  x4->chroma_offset = avctx->chromaoffset;
404 #endif
405 
406  x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
407 
408  x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
409  x4->params.i_log_level = XAVS_LOG_DEBUG;
410  x4->params.i_threads = avctx->thread_count;
411  x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
412 
413  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
414  x4->params.b_repeat_headers = 0;
415 
416  x4->enc = xavs_encoder_open(&x4->params);
417  if (!x4->enc)
418  return -1;
419 
420  if (!(x4->pts_buffer = av_mallocz_array((avctx->max_b_frames+1), sizeof(*x4->pts_buffer))))
421  return AVERROR(ENOMEM);
422 
423  /* TAG: Do we have GLOBAL HEADER in AVS */
424  /* We Have PPS and SPS in AVS */
425  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER && 0) {
426  xavs_nal_t *nal;
427  int nnal, s, i, size;
428  uint8_t *p;
429 
430  s = xavs_encoder_headers(x4->enc, &nal, &nnal);
431 
432  avctx->extradata = p = av_malloc(s);
433  for (i = 0; i < nnal; i++) {
434  /* Don't put the SEI in extradata. */
435  if (nal[i].i_type == NAL_SEI) {
436  x4->sei = av_malloc( 5 + nal[i].i_payload * 4 / 3 );
437  if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nal + i) < 0)
438  return -1;
439 
440  continue;
441  }
442  size = xavs_nal_encode(p, &s, 1, nal + i);
443  if (size < 0)
444  return -1;
445  p += size;
446  }
447  avctx->extradata_size = p - avctx->extradata;
448  }
449  return 0;
450 }
451 
452 #define OFFSET(x) offsetof(XavsContext, x)
453 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
454 static const AVOption options[] = {
455  { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
456  { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, VE },
457  { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
458  { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
459  { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
460  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
461  { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
462  { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
463  { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
464  { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE},
465  { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE},
466  { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },
467  { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE},
468  { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, XAVS_ME_TESA, VE, "motion-est"},
469  { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
470  { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
471  { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
472  { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
473  { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
474  { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, VE},
475  { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE},
476  { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, VE},
477  { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, VE},
478 
479  { NULL },
480 };
481 
482 static const AVClass xavs_class = {
483  .class_name = "libxavs",
484  .item_name = av_default_item_name,
485  .option = options,
486  .version = LIBAVUTIL_VERSION_INT,
487 };
488 
489 static const AVCodecDefault xavs_defaults[] = {
490  { "b", "0" },
491  { NULL },
492 };
493 
495  .name = "libxavs",
496  .long_name = NULL_IF_CONFIG_SMALL("libxavs Chinese AVS (Audio Video Standard)"),
497  .type = AVMEDIA_TYPE_VIDEO,
498  .id = AV_CODEC_ID_CAVS,
499  .priv_data_size = sizeof(XavsContext),
500  .init = XAVS_init,
501  .encode2 = XAVS_frame,
502  .close = XAVS_close,
505  .priv_class = &xavs_class,
506  .defaults = xavs_defaults,
507 };
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:631
#define VE
Definition: libxavs.c:453
int chroma_offset
Definition: libxavs.c:60
This structure describes decoded (raw) audio or video data.
Definition: frame.h:181
AVOption.
Definition: opt.h:245
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:618
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:775
AVFormatContext * ctx
Definition: movenc-test.c:48
const char * fmt
Definition: avisynth_c.h:632
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:2459
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1597
#define LIBAVUTIL_VERSION_INT
Definition: version.h:70
memory handling functions
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
Definition: avcodec.h:1810
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2562
xavs_t * enc
Definition: libxavs.c:44
int num
numerator
Definition: rational.h:44
int size
Definition: avcodec.h:1468
enhanced predictive zonal search
Definition: avcodec.h:667
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
Definition: avcodec.h:1935
int end_of_stream
Definition: libxavs.c:48
static void XAVS_log(void *p, int level, const char *fmt, va_list args)
Definition: libxavs.c:68
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:931
AVCodec.
Definition: avcodec.h:3392
static const AVOption options[]
Definition: libxavs.c:454
attribute_deprecated int me_method
This option does nothing.
Definition: avcodec.h:1759
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1661
Undefined.
Definition: avutil.h:265
static av_cold int XAVS_close(AVCodecContext *avctx)
Definition: libxavs.c:226
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:881
int bit_rate_tolerance
number of bits the bitstream is allowed to diverge from the reference.
Definition: avcodec.h:1605
uint8_t * sei
Definition: libxavs.c:46
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
AVOptions.
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:2046
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
Definition: avcodec.h:1819
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:262
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1647
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1942
static AVFrame * frame
uint8_t * data
Definition: avcodec.h:1467
ptrdiff_t size
Definition: opengl_enc.c:101
#define FF_CMP_CHROMA
Definition: avcodec.h:1976
#define AV_INPUT_BUFFER_MIN_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
Definition: avcodec.h:642
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, xavs_nal_t *nals, int nnal)
Definition: libxavs.c:83
int b_frame_strategy
Definition: libxavs.c:59
hexagon based search
Definition: avcodec.h:669
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1499
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1846
#define END_OF_STREAM
Definition: libxavs.c:35
av_default_item_name
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:2473
static av_cold int XAVS_init(AVCodecContext *avctx)
Definition: libxavs.c:240
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int b_bias
Definition: libxavs.c:51
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1627
const char * name
Name of the codec implementation.
Definition: avcodec.h:3399
float i_quant_factor
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*...
Definition: avcodec.h:1861
int mixed_refs
Definition: libxavs.c:58
int fast_pskip
Definition: libxavs.c:55
transformed exhaustive search algorithm
Definition: avcodec.h:671
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1473
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2500
int direct_pred
Definition: libxavs.c:53
common internal API header
int refs
number of reference frames
Definition: avcodec.h:2205
static const AVCodecDefault xavs_defaults[]
Definition: libxavs.c:489
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:252
int out_frame_count
Definition: libxavs.c:65
int noise_reduction
Definition: libxavs.c:62
int width
picture width / height.
Definition: avcodec.h:1711
attribute_deprecated int noise_reduction
Definition: avcodec.h:2112
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:766
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:750
int level
level
Definition: avcodec.h:3117
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:288
static const AVClass xavs_class
Definition: libxavs.c:482
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:2480
xavs_param_t params
Definition: libxavs.c:43
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2954
static int XAVS_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libxavs.c:118
int motion_est
Definition: libxavs.c:56
float cplxblur
Definition: libxavs.c:52
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
Libavcodec external API header.
attribute_deprecated int scenechange_threshold
Definition: avcodec.h:2108
int mbtree
Definition: libxavs.c:57
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:209
attribute_deprecated int b_frame_strategy
Definition: avcodec.h:1830
main external API structure.
Definition: avcodec.h:1532
int qmin
minimum quantizer
Definition: avcodec.h:2466
int extradata_size
Definition: avcodec.h:1648
int scenechange_threshold
Definition: libxavs.c:61
int sei_size
Definition: libxavs.c:47
Describe the class of an AVClass context structure.
Definition: log.h:67
void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
Send the specified message to the log if the level is less than or equal to the current av_log_level...
Definition: log.c:370
attribute_deprecated int chromaoffset
Definition: avcodec.h:2210
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: utils.c:1622
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:2458
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:192
uint8_t level
Definition: svq3.c:150
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:783
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1737
int cqp
Definition: libxavs.c:50
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
common internal api header.
if(ret< 0)
Definition: vf_mcdeint.c:282
Bi-dir predicted.
Definition: avutil.h:268
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2945
int den
denominator
Definition: rational.h:45
int trellis
trellis RD quantization
Definition: avcodec.h:2622
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:754
void * priv_data
Definition: avcodec.h:1574
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:81
uneven multi-hexagon search
Definition: avcodec.h:670
AVCodec ff_libxavs_encoder
Definition: libxavs.c:494
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:247
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:219
float crf
Definition: libxavs.c:49
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1466
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
int frame_number
Frame counter, set by libavcodec.
Definition: avcodec.h:2318
Definition: h264.h:118
#define av_freep(p)
int64_t * pts_buffer
Definition: libxavs.c:64
#define OFFSET(x)
Definition: libxavs.c:452
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
This structure stores compressed data.
Definition: avcodec.h:1444
int aud
Definition: libxavs.c:54
int me_subpel_quality
subpel ME quality
Definition: avcodec.h:2017
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1460
Predicted.
Definition: avutil.h:267
xavs_picture_t pic
Definition: libxavs.c:45
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2523
int keyint_min
minimum GOP size
Definition: avcodec.h:2198