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amfenc_hevc.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "libavutil/internal.h"
20 #include "libavutil/opt.h"
21 #include "amfenc.h"
22 #include "internal.h"
23 
24 #define OFFSET(x) offsetof(AmfContext, x)
25 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
26 static const AVOption options[] = {
27  { "usage", "Set the encoding usage", OFFSET(usage), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCONDING }, AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCONDING, AMF_VIDEO_ENCODER_HEVC_USAGE_WEBCAM, VE, "usage" },
28  { "transcoding", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCONDING }, 0, 0, VE, "usage" },
29  { "ultralowlatency","", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, "usage" },
30  { "lowlatency", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY }, 0, 0, VE, "usage" },
31  { "webcam", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_WEBCAM }, 0, 0, VE, "usage" },
32 
33  { "profile", "Set the profile (default main)", OFFSET(profile), AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN }, AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN, AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN, VE, "profile" },
34  { "main", "", 0, AV_OPT_TYPE_CONST,{ .i64 = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN }, 0, 0, VE, "profile" },
35 
36  { "profile_tier", "Set the profile tier (default main)", OFFSET(tier), AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_MAIN }, AMF_VIDEO_ENCODER_HEVC_TIER_MAIN, AMF_VIDEO_ENCODER_HEVC_TIER_HIGH, VE, "tier" },
37  { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_MAIN }, 0, 0, VE, "tier" },
38  { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_HIGH }, 0, 0, VE, "tier" },
39 
40  { "level", "Set the encoding level (default auto)", OFFSET(level), AV_OPT_TYPE_INT,{ .i64 = 0 }, 0, AMF_LEVEL_6_2, VE, "level" },
41  { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "level" },
42  { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_1 }, 0, 0, VE, "level" },
43  { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_2 }, 0, 0, VE, "level" },
44  { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_2_1 }, 0, 0, VE, "level" },
45  { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_3 }, 0, 0, VE, "level" },
46  { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_3_1 }, 0, 0, VE, "level" },
47  { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_4 }, 0, 0, VE, "level" },
48  { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_4_1 }, 0, 0, VE, "level" },
49  { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_5 }, 0, 0, VE, "level" },
50  { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_5_1 }, 0, 0, VE, "level" },
51  { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_5_2 }, 0, 0, VE, "level" },
52  { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_6 }, 0, 0, VE, "level" },
53  { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_6_1 }, 0, 0, VE, "level" },
54  { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_6_2 }, 0, 0, VE, "level" },
55 
56  { "quality", "Set the encoding quality", OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED }, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED, VE, "quality" },
57  { "balanced", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_BALANCED }, 0, 0, VE, "quality" },
58  { "speed", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED }, 0, 0, VE, "quality" },
59  { "quality", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY }, 0, 0, VE, "quality" },
60 
61  { "rc", "Set the rate control mode", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR, VE, "rc" },
62  { "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, "rc" },
63  { "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, "rc" },
64  { "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
65  { "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
66 
67  { "header_insertion_mode", "Set header insertion mode", OFFSET(header_insertion_mode), AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE }, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_IDR_ALIGNED, VE, "hdrmode" },
68  { "none", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE }, 0, 0, VE, "hdrmode" },
69  { "gop", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_GOP_ALIGNED }, 0, 0, VE, "hdrmode" },
70  { "idr", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_IDR_ALIGNED }, 0, 0, VE, "hdrmode" },
71 
72  { "gops_per_idr", "GOPs per IDR 0-no IDR will be inserted", OFFSET(gops_per_idr), AV_OPT_TYPE_INT, { .i64 = 60 }, 0, INT_MAX, VE },
73  { "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
74  { "vbaq", "Enable VBAQ", OFFSET(enable_vbaq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
75  { "enforce_hrd", "Enforce HRD", OFFSET(enforce_hrd), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
76  { "filler_data", "Filler Data Enable", OFFSET(filler_data), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
77  { "max_au_size", "Maximum Access Unit Size for rate control (in bits)", OFFSET(max_au_size), AV_OPT_TYPE_INT,{ .i64 = 0 }, 0, INT_MAX, VE},
78  { "min_qp_i", "min quantization parameter for I-frame", OFFSET(min_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
79  { "max_qp_i", "max quantization parameter for I-frame", OFFSET(max_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
80  { "min_qp_p", "min quantization parameter for P-frame", OFFSET(min_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
81  { "max_qp_p", "max quantization parameter for P-frame", OFFSET(max_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
82  { "qp_p", "quantization parameter for P-frame", OFFSET(qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
83  { "qp_i", "quantization parameter for I-frame", OFFSET(qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
84  { "skip_frame", "Rate Control Based Frame Skip", OFFSET(skip_frame), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
85  { "me_half_pel", "Enable ME Half Pixel", OFFSET(me_half_pel), AV_OPT_TYPE_BOOL,{ .i64 = 1 }, 0, 1, VE },
86  { "me_quarter_pel", "Enable ME Quarter Pixel ", OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL,{ .i64 = 1 }, 0, 1, VE },
87 
88  { "aud", "Inserts AU Delimiter NAL unit", OFFSET(aud) ,AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
89 
90  { "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
91  { NULL }
92 };
93 
95 {
96  int ret = 0;
97  AMF_RESULT res = AMF_OK;
98  AmfContext *ctx = avctx->priv_data;
99  AMFVariantStruct var = {0};
100  amf_int64 profile = 0;
101  amf_int64 profile_level = 0;
102  AMFBuffer *buffer;
103  AMFGuid guid;
104  AMFRate framerate;
105  AMFSize framesize = AMFConstructSize(avctx->width, avctx->height);
106  int deblocking_filter = (avctx->flags & AV_CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
107 
108  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
109  framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
110  } else {
111  framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
112  }
113 
114  if ((ret = ff_amf_encode_init(avctx)) < 0)
115  return ret;
116 
117  // init static parameters
118  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_USAGE, ctx->usage);
119 
120  AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FRAMESIZE, framesize);
121 
122  AMF_ASSIGN_PROPERTY_RATE(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FRAMERATE, framerate);
123 
124  switch (avctx->profile) {
126  profile = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN;
127  break;
128  default:
129  break;
130  }
131  if (profile == 0) {
132  profile = ctx->profile;
133  }
134  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE, profile);
135 
136  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TIER, ctx->tier);
137 
138  profile_level = avctx->level;
139  if (profile_level == 0) {
140  profile_level = ctx->level;
141  }
142  if (profile_level != 0) {
143  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE_LEVEL, profile_level);
144  }
145  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET, ctx->quality);
146  // Maximum Reference Frames
147  if (avctx->refs != 0) {
148  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_NUM_REFRAMES, avctx->refs);
149  }
150  // Aspect Ratio
151  if (avctx->sample_aspect_ratio.den && avctx->sample_aspect_ratio.num) {
152  AMFRatio ratio = AMFConstructRatio(avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
153  AMF_ASSIGN_PROPERTY_RATIO(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ASPECT_RATIO, ratio);
154  }
155 
156  // Picture control properties
157  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_NUM_GOPS_PER_IDR, ctx->gops_per_idr);
158  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_GOP_SIZE, avctx->gop_size);
159  if (avctx->slices > 1) {
160  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_SLICES_PER_FRAME, avctx->slices);
161  }
162  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_DE_BLOCKING_FILTER_DISABLE, deblocking_filter);
163  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE, ctx->header_insertion_mode);
164 
165  // Rate control
166  // autodetect rate control method
167  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN) {
168  if (ctx->min_qp_i != -1 || ctx->max_qp_i != -1 ||
169  ctx->min_qp_p != -1 || ctx->max_qp_p != -1 ||
170  ctx->qp_i !=-1 || ctx->qp_p != -1) {
171  ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP;
172  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
173  } else if (avctx->rc_max_rate > 0) {
174  ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
175  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
176  } else {
177  ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR;
178  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
179  }
180  }
181 
182 
183  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD, ctx->rate_control_mode);
184  if (avctx->rc_buffer_size) {
185  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_VBV_BUFFER_SIZE, avctx->rc_buffer_size);
186 
187  if (avctx->rc_initial_buffer_occupancy != 0) {
188  int amf_buffer_fullness = avctx->rc_initial_buffer_occupancy * 64 / avctx->rc_buffer_size;
189  if (amf_buffer_fullness > 64)
190  amf_buffer_fullness = 64;
191  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
192  }
193  }
194  // Pre-Pass, Pre-Analysis, Two-Pass
195  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_PREANALYSIS_ENABLE, ctx->preanalysis);
196 
197  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP) {
198  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENABLE_VBAQ, false);
199  if (ctx->enable_vbaq)
200  av_log(ctx, AV_LOG_WARNING, "VBAQ is not supported by cqp Rate Control Method, automatically disabled\n");
201  } else {
202  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENABLE_VBAQ, !!ctx->enable_vbaq);
203  }
204  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_HALF_PIXEL, ctx->me_half_pel);
205  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_QUARTERPIXEL, ctx->me_quarter_pel);
206 
207  // init dynamic rate control params
208  if (ctx->max_au_size)
209  ctx->enforce_hrd = 1;
210  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENFORCE_HRD, ctx->enforce_hrd);
211  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FILLER_DATA_ENABLE, ctx->filler_data);
212 
213  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TARGET_BITRATE, avctx->bit_rate);
214 
215  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR) {
216  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PEAK_BITRATE, avctx->bit_rate);
217  }
218  if (avctx->rc_max_rate) {
219  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PEAK_BITRATE, avctx->rc_max_rate);
220  } else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
221  av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
222  }
223 
224  // init encoder
225  res = ctx->encoder->pVtbl->Init(ctx->encoder, ctx->format, avctx->width, avctx->height);
226  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
227 
228  // init dynamic picture control params
229  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_AU_SIZE, ctx->max_au_size);
230 
231  if (ctx->min_qp_i != -1) {
232  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MIN_QP_I, ctx->min_qp_i);
233  } else if (avctx->qmin != -1) {
234  int qval = avctx->qmin > 51 ? 51 : avctx->qmin;
235  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MIN_QP_I, qval);
236  }
237  if (ctx->max_qp_i != -1) {
238  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_QP_I, ctx->max_qp_i);
239  } else if (avctx->qmax != -1) {
240  int qval = avctx->qmax > 51 ? 51 : avctx->qmax;
241  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_QP_I, qval);
242  }
243  if (ctx->min_qp_p != -1) {
244  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MIN_QP_P, ctx->min_qp_p);
245  } else if (avctx->qmin != -1) {
246  int qval = avctx->qmin > 51 ? 51 : avctx->qmin;
247  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MIN_QP_P, qval);
248  }
249  if (ctx->max_qp_p != -1) {
250  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_QP_P, ctx->max_qp_p);
251  } else if (avctx->qmax != -1) {
252  int qval = avctx->qmax > 51 ? 51 : avctx->qmax;
253  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_QP_P, qval);
254  }
255 
256  if (ctx->qp_p != -1) {
257  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QP_I, ctx->qp_p);
258  }
259  if (ctx->qp_i != -1) {
260  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QP_P, ctx->qp_i);
261  }
262  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_SKIP_FRAME_ENABLE, ctx->skip_frame);
263 
264 
265  // fill extradata
266  res = AMFVariantInit(&var);
267  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "AMFVariantInit() failed with error %d\n", res);
268 
269  res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_HEVC_EXTRADATA, &var);
270  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) failed with error %d\n", res);
271  AMF_RETURN_IF_FALSE(ctx, var.pInterface != NULL, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) returned NULL\n");
272 
273  guid = IID_AMFBuffer();
274 
275  res = var.pInterface->pVtbl->QueryInterface(var.pInterface, &guid, (void**)&buffer); // query for buffer interface
276  if (res != AMF_OK) {
277  var.pInterface->pVtbl->Release(var.pInterface);
278  }
279  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "QueryInterface(IID_AMFBuffer) failed with error %d\n", res);
280 
281  avctx->extradata_size = (int)buffer->pVtbl->GetSize(buffer);
283  if (!avctx->extradata) {
284  buffer->pVtbl->Release(buffer);
285  var.pInterface->pVtbl->Release(var.pInterface);
286  return AVERROR(ENOMEM);
287  }
288  memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);
289 
290  buffer->pVtbl->Release(buffer);
291  var.pInterface->pVtbl->Release(var.pInterface);
292 
293  return 0;
294 }
295 static const AVCodecDefault defaults[] = {
296  { "refs", "-1" },
297  { "aspect", "0" },
298  { "sar", "0" },
299  { "b", "2M" },
300  { "g", "250" },
301  { "slices", "1" },
302  { NULL },
303 };
304 static const AVClass hevc_amf_class = {
305  .class_name = "hevc_amf",
306  .item_name = av_default_item_name,
307  .option = options,
308  .version = LIBAVUTIL_VERSION_INT,
309 };
310 //TODO declare as HW encoder when available
312  .name = "hevc_amf",
313  .long_name = NULL_IF_CONFIG_SMALL("AMD AMF HEVC encoder"),
314  .type = AVMEDIA_TYPE_VIDEO,
315  .id = AV_CODEC_ID_HEVC,
316  .init = amf_encode_init_hevc,
317  .send_frame = ff_amf_send_frame,
318  .receive_packet = ff_amf_receive_packet,
319  .close = ff_amf_encode_close,
320  .priv_data_size = sizeof(AmfContext),
321  .priv_class = &hevc_amf_class,
322  .defaults = defaults,
323  .capabilities = AV_CODEC_CAP_DELAY,
324  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
326 };
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
#define NULL
Definition: coverity.c:32
AVRational framerate
Definition: avcodec.h:3012
ptrdiff_t const GLvoid GLenum usage
Definition: opengl_enc.c:101
int usage
Definition: amfenc.h:79
AVOption.
Definition: opt.h:246
#define AV_CODEC_FLAG_LOOP_FILTER
loop filter.
Definition: avcodec.h:854
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1552
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int skip_frame
Definition: amfenc.h:93
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2403
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:193
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:1880
int me_half_pel
Definition: amfenc.h:102
int level
Definition: amfenc.h:81
#define AMF_RETURN_IF_FALSE(avctx, exp, ret_value,...)
Error handling helper.
Definition: amfenc.h:141
int gops_per_idr
Definition: amfenc.h:108
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
int profile
profile
Definition: avcodec.h:2827
AVCodec.
Definition: avcodec.h:3365
static const AVClass hevc_amf_class
Definition: amfenc_hevc.c:304
AMF_SURFACE_FORMAT format
AMF surface format.
Definition: amfenc.h:60
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1624
static av_cold int amf_encode_init_hevc(AVCodecContext *avctx)
Definition: amfenc_hevc.c:94
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:981
int enforce_hrd
Definition: amfenc.h:90
#define av_cold
Definition: attributes.h:82
AVOptions.
int ff_amf_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Ecoding one frame - common function for all AMF encoders.
Definition: amfenc.c:447
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:2915
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1602
int me_quarter_pel
Definition: amfenc.h:103
#define av_log(a,...)
int av_cold ff_amf_encode_close(AVCodecContext *avctx)
Common encoder termination function.
Definition: amfenc.c:259
int max_au_size
Definition: amfenc.h:97
AVCodec ff_hevc_amf_encoder
Definition: amfenc_hevc.c:311
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:2346
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int rate_control_mode
Definition: amfenc.h:89
int quality
Definition: amfenc.h:83
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1582
int filler_data
Definition: amfenc.h:91
const char * name
Name of the codec implementation.
Definition: avcodec.h:3372
int qp_p
Definition: amfenc.h:95
enum AVPixelFormat ff_amf_pix_fmts[]
Supported formats.
Definition: amfenc.c:48
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2360
common internal API header
int refs
number of reference frames
Definition: avcodec.h:2085
#define VE
Definition: amfenc_hevc.c:25
int ff_amf_encode_init(AVCodecContext *avctx)
Common encoder initization function.
Definition: amfenc.c:418
int width
picture width / height.
Definition: avcodec.h:1674
static const AVCodecDefault defaults[]
Definition: amfenc_hevc.c:295
AVFormatContext * ctx
Definition: movenc.c:48
int max_qp_i
Definition: amfenc.h:111
int tier
Definition: amfenc.h:114
int level
level
Definition: avcodec.h:2925
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1633
int min_qp_i
Definition: amfenc.h:110
int preanalysis
Definition: amfenc.h:82
AMFComponent * encoder
AMF encoder object.
Definition: amfenc.h:58
int enable_vbaq
Definition: amfenc.h:92
int qp_i
Definition: amfenc.h:94
main external API structure.
Definition: avcodec.h:1502
int qmin
minimum quantizer
Definition: avcodec.h:2339
int profile
Definition: amfenc.h:80
int extradata_size
Definition: avcodec.h:1603
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
Describe the class of an AVClass context structure.
Definition: log.h:67
int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
Definition: amfenc.c:539
AMF encoder context.
Definition: amfenc.h:46
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
mfxU16 profile
Definition: qsvenc.c:44
uint8_t level
Definition: svq3.c:207
int header_insertion_mode
Definition: amfenc.h:109
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1696
#define OFFSET(x)
Definition: amfenc_hevc.c:24
int
common internal api header.
int den
Denominator.
Definition: rational.h:60
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:770
int slices
Number of slices.
Definition: avcodec.h:2148
void * priv_data
Definition: avcodec.h:1529
int min_qp_p
Definition: amfenc.h:112
int max_qp_p
Definition: amfenc.h:113
GLuint buffer
Definition: opengl_enc.c:102
static const AVOption options[]
Definition: amfenc_hevc.c:26
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2375