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amfenc_h264.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 
20 #include "libavutil/internal.h"
21 #include "libavutil/opt.h"
22 #include "amfenc.h"
23 #include "internal.h"
24 
25 #define OFFSET(x) offsetof(AmfContext, x)
26 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
27 
28 static const AVOption options[] = {
29  // Static
30  /// Usage
31  { "usage", "Encoder Usage", OFFSET(usage), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCONDING }, AMF_VIDEO_ENCODER_USAGE_TRANSCONDING, AMF_VIDEO_ENCODER_USAGE_WEBCAM, VE, "usage" },
32  { "transcoding", "Generic Transcoding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCONDING }, 0, 0, VE, "usage" },
33  { "ultralowlatency","", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, "usage" },
34  { "lowlatency", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY }, 0, 0, VE, "usage" },
35  { "webcam", "Webcam", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_WEBCAM }, 0, 0, VE, "usage" },
36 
37  /// Profile,
38  { "profile", "Profile", OFFSET(profile),AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_PROFILE_MAIN }, AMF_VIDEO_ENCODER_PROFILE_BASELINE, AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH, VE, "profile" },
39  { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_MAIN }, 0, 0, VE, "profile" },
40  { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_HIGH }, 0, 0, VE, "profile" },
41  { "constrained_baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_BASELINE }, 0, 0, VE, "profile" },
42  { "constrained_high", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH }, 0, 0, VE, "profile" },
43 
44  /// Profile Level
45  { "level", "Profile Level", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 62, VE, "level" },
46  { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "level" },
47  { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 10 }, 0, 0, VE, "level" },
48  { "1.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 11 }, 0, 0, VE, "level" },
49  { "1.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 12 }, 0, 0, VE, "level" },
50  { "1.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = 13 }, 0, 0, VE, "level" },
51  { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 20 }, 0, 0, VE, "level" },
52  { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 21 }, 0, 0, VE, "level" },
53  { "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 22 }, 0, 0, VE, "level" },
54  { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 30 }, 0, 0, VE, "level" },
55  { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 31 }, 0, 0, VE, "level" },
56  { "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, 0, 0, VE, "level" },
57  { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 40 }, 0, 0, VE, "level" },
58  { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 41 }, 0, 0, VE, "level" },
59  { "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 42 }, 0, 0, VE, "level" },
60  { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 50 }, 0, 0, VE, "level" },
61  { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 51 }, 0, 0, VE, "level" },
62  { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 52 }, 0, 0, VE, "level" },
63  { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 60 }, 0, 0, VE, "level" },
64  { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 61 }, 0, 0, VE, "level" },
65  { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 62 }, 0, 0, VE, "level" },
66 
67 
68  /// Quality Preset
69  { "quality", "Quality Preference", OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED }, AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, "quality" },
70  { "speed", "Prefer Speed", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED }, 0, 0, VE, "quality" },
71  { "balanced", "Balanced", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED }, 0, 0, VE, "quality" },
72  { "quality", "Prefer Quality", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY }, 0, 0, VE, "quality" },
73 
74  // Dynamic
75  /// Rate Control Method
76  { "rc", "Rate Control Method", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR, VE, "rc" },
77  { "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, "rc" },
78  { "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, "rc" },
79  { "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
80  { "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
81 
82  /// Enforce HRD, Filler Data, VBAQ, Frame Skipping
83  { "enforce_hrd", "Enforce HRD", OFFSET(enforce_hrd), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
84  { "filler_data", "Filler Data Enable", OFFSET(filler_data), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
85  { "vbaq", "Enable VBAQ", OFFSET(enable_vbaq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
86  { "frame_skipping", "Rate Control Based Frame Skip", OFFSET(skip_frame), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
87 
88  /// QP Values
89  { "qp_i", "Quantization Parameter for I-Frame", OFFSET(qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
90  { "qp_p", "Quantization Parameter for P-Frame", OFFSET(qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
91  { "qp_b", "Quantization Parameter for B-Frame", OFFSET(qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
92 
93  /// Pre-Pass, Pre-Analysis, Two-Pass
94  { "preanalysis", "Pre-Analysis Mode", OFFSET(preanalysis), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE, NULL },
95 
96  /// Maximum Access Unit Size
97  { "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 },
98 
99  /// Header Insertion Spacing
100  { "header_spacing", "Header Insertion Spacing", OFFSET(header_spacing), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE },
101 
102  /// B-Frames
103  // BPicturesPattern=bf
104  { "bf_delta_qp", "B-Picture Delta QP", OFFSET(b_frame_delta_qp), AV_OPT_TYPE_INT, { .i64 = 4 }, -10, 10, VE },
105  { "bf_ref", "Enable Reference to B-Frames", OFFSET(b_frame_ref), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
106  { "bf_ref_delta_qp","Reference B-Picture Delta QP", OFFSET(ref_b_frame_delta_qp), AV_OPT_TYPE_INT, { .i64 = 4 }, -10, 10, VE },
107 
108  /// Intra-Refresh
109  { "intra_refresh_mb","Intra Refresh MBs Number Per Slot in Macroblocks", OFFSET(intra_refresh_mb), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
110 
111  /// coder
112  { "coder", "Coding Type", OFFSET(coding_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_UNDEFINED }, AMF_VIDEO_ENCODER_UNDEFINED, AMF_VIDEO_ENCODER_CALV, VE, "coder" },
113  { "auto", "Automatic", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_UNDEFINED }, 0, 0, VE, "coder" },
114  { "cavlc", "Context Adaptive Variable-Length Coding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CALV }, 0, 0, VE, "coder" },
115  { "cabac", "Context Adaptive Binary Arithmetic Coding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CABAC }, 0, 0, VE, "coder" },
116 
117  { "me_half_pel", "Enable ME Half Pixel", OFFSET(me_half_pel), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
118  { "me_quarter_pel", "Enable ME Quarter Pixel", OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
119 
120  { "aud", "Inserts AU Delimiter NAL unit", OFFSET(aud) ,AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
121 
122  { "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
123 
124  { NULL }
125 };
126 
128 {
129  int ret = 0;
130  AMF_RESULT res = AMF_OK;
131  AmfContext *ctx = avctx->priv_data;
132  AMFVariantStruct var = { 0 };
133  amf_int64 profile = 0;
134  amf_int64 profile_level = 0;
135  AMFBuffer *buffer;
136  AMFGuid guid;
137  AMFRate framerate;
138  AMFSize framesize = AMFConstructSize(avctx->width, avctx->height);
139  int deblocking_filter = (avctx->flags & AV_CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
140 
141  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
142  framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
143  } else {
144  framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
145  }
146 
147  if ((ret = ff_amf_encode_init(avctx)) != 0)
148  return ret;
149 
150  // Static parameters
151  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_USAGE, ctx->usage);
152 
153  AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_FRAMESIZE, framesize);
154 
155  AMF_ASSIGN_PROPERTY_RATE(res, ctx->encoder, AMF_VIDEO_ENCODER_FRAMERATE, framerate);
156 
157  switch (avctx->profile) {
159  profile = AMF_VIDEO_ENCODER_PROFILE_BASELINE;
160  break;
162  profile = AMF_VIDEO_ENCODER_PROFILE_MAIN;
163  break;
165  profile = AMF_VIDEO_ENCODER_PROFILE_HIGH;
166  break;
168  profile = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_BASELINE;
169  break;
171  profile = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH;
172  break;
173  }
174  if (profile == 0) {
175  profile = ctx->profile;
176  }
177 
178  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE, profile);
179 
180  profile_level = avctx->level;
181  if (profile_level == FF_LEVEL_UNKNOWN) {
182  profile_level = ctx->level;
183  }
184  if (profile_level != 0) {
185  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE_LEVEL, profile_level);
186  }
187 
188  // Maximum Reference Frames
189  if (avctx->refs != -1) {
190  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_NUM_REFRAMES, avctx->refs);
191  }
192  if (avctx->sample_aspect_ratio.den && avctx->sample_aspect_ratio.num) {
193  AMFRatio ratio = AMFConstructRatio(avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
194  AMF_ASSIGN_PROPERTY_RATIO(res, ctx->encoder, AMF_VIDEO_ENCODER_ASPECT_RATIO, ratio);
195  }
196 
197  /// Color Range (Partial/TV/MPEG or Full/PC/JPEG)
198  if (avctx->color_range == AVCOL_RANGE_JPEG) {
199  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FULL_RANGE_COLOR, 1);
200  }
201 
202  // autodetect rate control method
203  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN) {
204  if (ctx->qp_i != -1 || ctx->qp_p != -1 || ctx->qp_b != -1) {
205  ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP;
206  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
207  } else if (avctx->rc_max_rate > 0 ) {
208  ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
209  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
210  } else {
211  ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR;
212  av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
213  }
214  }
215 
216  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
217  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_PREANALYSIS_ENABLE, AMF_VIDEO_ENCODER_PREENCODE_DISABLED);
218  if (ctx->preanalysis)
219  av_log(ctx, AV_LOG_WARNING, "Pre-Analysis is not supported by cqp Rate Control Method, automatically disabled\n");
220  } else {
221  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_PREANALYSIS_ENABLE, ctx->preanalysis);
222  }
223 
224  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QUALITY_PRESET, ctx->quality);
225 
226  // Dynamic parmaters
227  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, ctx->rate_control_mode);
228 
229  /// VBV Buffer
230  if (avctx->rc_buffer_size != 0) {
231  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_VBV_BUFFER_SIZE, avctx->rc_buffer_size);
232  if (avctx->rc_initial_buffer_occupancy != 0) {
233  int amf_buffer_fullness = avctx->rc_initial_buffer_occupancy * 64 / avctx->rc_buffer_size;
234  if (amf_buffer_fullness > 64)
235  amf_buffer_fullness = 64;
236  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
237  }
238  }
239  /// Maximum Access Unit Size
240  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_AU_SIZE, ctx->max_au_size);
241 
242  if (ctx->max_au_size)
243  ctx->enforce_hrd = 1;
244 
245  // QP Minimum / Maximum
246  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
247  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MIN_QP, 0);
248  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_QP, 51);
249  } else {
250  if (avctx->qmin != -1) {
251  int qval = avctx->qmin > 51 ? 51 : avctx->qmin;
252  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MIN_QP, qval);
253  }
254  if (avctx->qmax != -1) {
255  int qval = avctx->qmax > 51 ? 51 : avctx->qmax;
256  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_QP, qval);
257  }
258  }
259  // QP Values
260  if (ctx->qp_i != -1)
261  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_I, ctx->qp_i);
262  if (ctx->qp_p != -1)
263  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_P, ctx->qp_p);
264  if (ctx->qp_b != -1)
265  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_B, ctx->qp_b);
266 
267  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_TARGET_BITRATE, avctx->bit_rate);
268 
269  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR) {
270  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->bit_rate);
271  }
272  if (avctx->rc_max_rate) {
273  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->rc_max_rate);
274  } else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
275  av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
276  }
277 
278  // Initialize Encoder
279  res = ctx->encoder->pVtbl->Init(ctx->encoder, ctx->format, avctx->width, avctx->height);
280  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
281 
282  // Enforce HRD, Filler Data, VBAQ, Frame Skipping, Deblocking Filter
283  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENFORCE_HRD, !!ctx->enforce_hrd);
284  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FILLER_DATA_ENABLE, !!ctx->filler_data);
285  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_SKIP_FRAME_ENABLE, !!ctx->skip_frame);
286  if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
287  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, 0);
288  if (ctx->enable_vbaq)
289  av_log(ctx, AV_LOG_WARNING, "VBAQ is not supported by cqp Rate Control Method, automatically disabled\n");
290  } else {
291  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, !!ctx->enable_vbaq);
292  }
293  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_DE_BLOCKING_FILTER, !!deblocking_filter);
294 
295  // B-Frames
296  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, avctx->max_b_frames);
297  if (res != AMF_OK) {
298  res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
299  av_log(ctx, AV_LOG_WARNING, "B-frames=%d is not supported by this GPU, switched to %d\n",
300  avctx->max_b_frames, (int)var.int64Value);
301  avctx->max_b_frames = (int)var.int64Value;
302  }
303  if (avctx->max_b_frames) {
304  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_DELTA_QP, ctx->b_frame_delta_qp);
305  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_B_REFERENCE_ENABLE, !!ctx->b_frame_ref);
306  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_REF_B_PIC_DELTA_QP, ctx->ref_b_frame_delta_qp);
307  }
308 
309  // Keyframe Interval
310  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_IDR_PERIOD, avctx->gop_size);
311 
312  // Header Insertion Spacing
313  if (ctx->header_spacing >= 0)
314  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEADER_INSERTION_SPACING, ctx->header_spacing);
315 
316  // Intra-Refresh, Slicing
317  if (ctx->intra_refresh_mb > 0)
318  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INTRA_REFRESH_NUM_MBS_PER_SLOT, ctx->intra_refresh_mb);
319  if (avctx->slices > 1)
320  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_SLICES_PER_FRAME, avctx->slices);
321 
322  // Coding
323  if (ctx->coding_mode != 0)
324  AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_CABAC_ENABLE, ctx->coding_mode);
325 
326  // Motion Estimation
327  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_HALF_PIXEL, !!ctx->me_half_pel);
328  AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_QUARTERPIXEL, !!ctx->me_quarter_pel);
329 
330  // fill extradata
331  res = AMFVariantInit(&var);
332  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "AMFVariantInit() failed with error %d\n", res);
333 
334  res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_EXTRADATA, &var);
335  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) failed with error %d\n", res);
336  AMF_RETURN_IF_FALSE(ctx, var.pInterface != NULL, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) returned NULL\n");
337 
338  guid = IID_AMFBuffer();
339 
340  res = var.pInterface->pVtbl->QueryInterface(var.pInterface, &guid, (void**)&buffer); // query for buffer interface
341  if (res != AMF_OK) {
342  var.pInterface->pVtbl->Release(var.pInterface);
343  }
344  AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "QueryInterface(IID_AMFBuffer) failed with error %d\n", res);
345 
346  avctx->extradata_size = (int)buffer->pVtbl->GetSize(buffer);
348  if (!avctx->extradata) {
349  buffer->pVtbl->Release(buffer);
350  var.pInterface->pVtbl->Release(var.pInterface);
351  return AVERROR(ENOMEM);
352  }
353  memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);
354 
355  buffer->pVtbl->Release(buffer);
356  var.pInterface->pVtbl->Release(var.pInterface);
357 
358  return 0;
359 }
360 
361 static const AVCodecDefault defaults[] = {
362  { "refs", "-1" },
363  { "aspect", "0" },
364  { "sar", "0" },
365  { "qmin", "-1" },
366  { "qmax", "-1" },
367  { "b", "2M" },
368  { "g", "250" },
369  { "slices", "1" },
370  { NULL },
371 };
372 
373 static const AVClass h264_amf_class = {
374  .class_name = "h264_amf",
375  .item_name = av_default_item_name,
376  .option = options,
377  .version = LIBAVUTIL_VERSION_INT,
378 };
379 //TODO declare as HW encoder when available
381  .name = "h264_amf",
382  .long_name = NULL_IF_CONFIG_SMALL("AMD AMF H.264 Encoder"),
383  .type = AVMEDIA_TYPE_VIDEO,
384  .id = AV_CODEC_ID_H264,
385  .init = amf_encode_init_h264,
386  .send_frame = ff_amf_send_frame,
387  .receive_packet = ff_amf_receive_packet,
388  .close = ff_amf_encode_close,
389  .priv_data_size = sizeof(AmfContext),
390  .priv_class = &h264_amf_class,
391  .defaults = defaults,
392  .capabilities = AV_CODEC_CAP_DELAY,
393  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
395 };
#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 FF_PROFILE_H264_MAIN
Definition: avcodec.h:2854
#define NULL
Definition: coverity.c:32
AVRational framerate
Definition: avcodec.h:2998
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:1538
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
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:1747
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:2389
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2118
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:193
int b_frame_ref
Definition: amfenc.h:99
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:1866
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
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 coding_mode
Definition: amfenc.h:101
int profile
profile
Definition: avcodec.h:2813
AVCodec.
Definition: avcodec.h:3351
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:1610
int b_frame_delta_qp
Definition: amfenc.h:84
#define FF_LEVEL_UNKNOWN
Definition: avcodec.h:2912
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 FF_PROFILE_H264_BASELINE
Definition: avcodec.h:2852
#define av_cold
Definition: attributes.h:82
AVCodec ff_h264_amf_encoder
Definition: amfenc_h264.c:380
AVOptions.
int ff_amf_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Ecoding one frame - common function for all AMF encoders.
Definition: amfenc.c:447
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1588
int me_quarter_pel
Definition: amfenc.h:103
#define av_log(a,...)
#define VE
Definition: amfenc_h264.c:26
int qp_b
Definition: amfenc.h:96
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
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:2332
#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
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2856
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1568
int filler_data
Definition: amfenc.h:91
const char * name
Name of the codec implementation.
Definition: avcodec.h:3358
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
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:2346
common internal API header
int refs
number of reference frames
Definition: avcodec.h:2071
#define OFFSET(x)
Definition: amfenc_h264.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:1660
AVFormatContext * ctx
Definition: movenc.c:48
int level
level
Definition: avcodec.h:2911
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1619
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:499
int preanalysis
Definition: amfenc.h:82
AMFComponent * encoder
AMF encoder object.
Definition: amfenc.h:58
int ref_b_frame_delta_qp
Definition: amfenc.h:85
static const AVClass h264_amf_class
Definition: amfenc_h264.c:373
int intra_refresh_mb
Definition: amfenc.h:100
int enable_vbaq
Definition: amfenc.h:92
int qp_i
Definition: amfenc.h:94
main external API structure.
Definition: avcodec.h:1488
int qmin
minimum quantizer
Definition: avcodec.h:2325
int profile
Definition: amfenc.h:80
static const AVOption options[]
Definition: amfenc_h264.c:28
int extradata_size
Definition: avcodec.h:1589
#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 gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1682
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:2134
void * priv_data
Definition: avcodec.h:1515
static av_cold int amf_encode_init_h264(AVCodecContext *avctx)
Definition: amfenc_h264.c:127
#define FF_PROFILE_H264_CONSTRAINED
Definition: avcodec.h:2849
#define FF_PROFILE_H264_CONSTRAINED_BASELINE
Definition: avcodec.h:2853
GLuint buffer
Definition: opengl_enc.c:102
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2361
int header_spacing
Definition: amfenc.h:98