FFmpeg  4.4.4
vaapi_encode_vp8.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 <va/va.h>
20 #include <va/va_enc_vp8.h>
21 
22 #include "libavutil/avassert.h"
23 #include "libavutil/common.h"
24 #include "libavutil/internal.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixfmt.h"
27 
28 #include "avcodec.h"
29 #include "internal.h"
30 #include "vaapi_encode.h"
31 #include "vp8.h"
32 
33 
34 typedef struct VAAPIEncodeVP8Context {
36 
37  // User options.
40 
41  // Derived settings.
42  int q_index_i;
43  int q_index_p;
45 
46 
47 #define vseq_var(name) vseq->name, name
48 #define vseq_field(name) vseq->seq_fields.bits.name, name
49 #define vpic_var(name) vpic->name, name
50 #define vpic_field(name) vpic->pic_fields.bits.name, name
51 
52 
54 {
56  VAEncSequenceParameterBufferVP8 *vseq = ctx->codec_sequence_params;
57 
58  vseq->frame_width = avctx->width;
59  vseq->frame_height = avctx->height;
60 
61  vseq->frame_width_scale = 0;
62  vseq->frame_height_scale = 0;
63 
64  vseq->error_resilient = 0;
65  vseq->kf_auto = 0;
66 
67  if (!(ctx->va_rc_mode & VA_RC_CQP)) {
68  vseq->bits_per_second = ctx->va_bit_rate;
69  vseq->intra_period = ctx->gop_size;
70  }
71 
72  return 0;
73 }
74 
76  VAAPIEncodePicture *pic)
77 {
78  VAAPIEncodeVP8Context *priv = avctx->priv_data;
79  VAEncPictureParameterBufferVP8 *vpic = pic->codec_picture_params;
80  int i;
81 
82  vpic->reconstructed_frame = pic->recon_surface;
83 
84  vpic->coded_buf = pic->output_buffer;
85 
86  switch (pic->type) {
87  case PICTURE_TYPE_IDR:
88  case PICTURE_TYPE_I:
89  av_assert0(pic->nb_refs == 0);
90  vpic->ref_flags.bits.force_kf = 1;
91  vpic->ref_last_frame =
92  vpic->ref_gf_frame =
93  vpic->ref_arf_frame =
94  VA_INVALID_SURFACE;
95  break;
96  case PICTURE_TYPE_P:
97  av_assert0(pic->nb_refs == 1);
98  vpic->ref_flags.bits.no_ref_last = 0;
99  vpic->ref_flags.bits.no_ref_gf = 1;
100  vpic->ref_flags.bits.no_ref_arf = 1;
101  vpic->ref_last_frame =
102  vpic->ref_gf_frame =
103  vpic->ref_arf_frame =
104  pic->refs[0]->recon_surface;
105  break;
106  default:
107  av_assert0(0 && "invalid picture type");
108  }
109 
110  vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
111  vpic->pic_flags.bits.show_frame = 1;
112 
113  vpic->pic_flags.bits.refresh_last = 1;
114  vpic->pic_flags.bits.refresh_golden_frame = 1;
115  vpic->pic_flags.bits.refresh_alternate_frame = 1;
116 
117  vpic->pic_flags.bits.version = 0;
118  vpic->pic_flags.bits.loop_filter_type = 0;
119  for (i = 0; i < 4; i++)
120  vpic->loop_filter_level[i] = priv->loop_filter_level;
121  vpic->sharpness_level = priv->loop_filter_sharpness;
122 
123  vpic->clamp_qindex_low = 0;
124  vpic->clamp_qindex_high = 127;
125 
126  return 0;
127 }
128 
130  VAAPIEncodePicture *pic,
131  int index, int *type,
132  char *data, size_t *data_len)
133 {
134  VAAPIEncodeVP8Context *priv = avctx->priv_data;
135  VAQMatrixBufferVP8 quant;
136  int i, q;
137 
138  if (index > 0)
139  return AVERROR_EOF;
140 
141  if (*data_len < sizeof(quant))
142  return AVERROR(EINVAL);
143  *type = VAQMatrixBufferType;
144  *data_len = sizeof(quant);
145 
146  memset(&quant, 0, sizeof(quant));
147 
148  if (pic->type == PICTURE_TYPE_P)
149  q = priv->q_index_p;
150  else
151  q = priv->q_index_i;
152 
153  for (i = 0; i < 4; i++)
154  quant.quantization_index[i] = q;
155  for (i = 0; i < 5; i++)
156  quant.quantization_index_delta[i] = 0;
157 
158  memcpy(data, &quant, sizeof(quant));
159  return 0;
160 }
161 
163 {
164  VAAPIEncodeContext *ctx = avctx->priv_data;
165  VAAPIEncodeVP8Context *priv = avctx->priv_data;
166 
167  priv->q_index_p = av_clip(ctx->rc_quality, 0, VP8_MAX_QUANT);
168  if (avctx->i_quant_factor > 0.0)
169  priv->q_index_i =
170  av_clip((avctx->i_quant_factor * priv->q_index_p +
171  avctx->i_quant_offset) + 0.5,
172  0, VP8_MAX_QUANT);
173  else
174  priv->q_index_i = priv->q_index_p;
175 
176  ctx->roi_quant_range = VP8_MAX_QUANT;
177 
178  return 0;
179 }
180 
182  { 0 /* VP8 has no profiles */, 8, 3, 1, 1, VAProfileVP8Version0_3 },
184 };
185 
188 
189  .configure = &vaapi_encode_vp8_configure,
190 
191  .default_quality = 40,
192 
193  .sequence_params_size = sizeof(VAEncSequenceParameterBufferVP8),
194  .init_sequence_params = &vaapi_encode_vp8_init_sequence_params,
195 
196  .picture_params_size = sizeof(VAEncPictureParameterBufferVP8),
197  .init_picture_params = &vaapi_encode_vp8_init_picture_params,
198 
199  .write_extra_buffer = &vaapi_encode_vp8_write_quant_table,
200 };
201 
203 {
204  VAAPIEncodeContext *ctx = avctx->priv_data;
205 
206  ctx->codec = &vaapi_encode_type_vp8;
207 
208  // No packed headers are currently desired. VP8 has no metadata
209  // which would be useful to write, and no existing driver supports
210  // adding them anyway.
211  ctx->desired_packed_headers = 0;
212 
213  ctx->surface_width = FFALIGN(avctx->width, 16);
214  ctx->surface_height = FFALIGN(avctx->height, 16);
215 
216  return ff_vaapi_encode_init(avctx);
217 }
218 
219 #define OFFSET(x) offsetof(VAAPIEncodeVP8Context, x)
220 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
224 
225  { "loop_filter_level", "Loop filter level",
226  OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
227  { "loop_filter_sharpness", "Loop filter sharpness",
228  OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
229  { NULL },
230 };
231 
233  { "b", "0" },
234  { "bf", "0" },
235  { "g", "120" },
236  { "qmin", "-1" },
237  { "qmax", "-1" },
238  { NULL },
239 };
240 
242  .class_name = "vp8_vaapi",
243  .item_name = av_default_item_name,
244  .option = vaapi_encode_vp8_options,
245  .version = LIBAVUTIL_VERSION_INT,
246 };
247 
249  .name = "vp8_vaapi",
250  .long_name = NULL_IF_CONFIG_SMALL("VP8 (VAAPI)"),
251  .type = AVMEDIA_TYPE_VIDEO,
252  .id = AV_CODEC_ID_VP8,
253  .priv_data_size = sizeof(VAAPIEncodeVP8Context),
255  .receive_packet = &ff_vaapi_encode_receive_packet,
256  .close = &ff_vaapi_encode_close,
257  .priv_class = &vaapi_encode_vp8_class,
258  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
260  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
262  .pix_fmts = (const enum AVPixelFormat[]) {
265  },
266  .hw_configs = ff_vaapi_encode_hw_configs,
267  .wrapper_name = "vaapi",
268 };
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
#define av_cold
Definition: attributes.h:88
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
Libavcodec external API header.
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:1859
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
common internal and external API header
#define av_clip
Definition: common.h:122
#define NULL
Definition: coverity.c:32
@ AV_OPT_TYPE_INT
Definition: opt.h:225
#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: codec.h:77
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition: codec.h:157
@ AV_CODEC_ID_VP8
Definition: codec_id.h:189
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AVERROR(e)
Definition: error.h:43
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int index
Definition: gxfenc.c:89
for(j=16;j >0;--j)
cl_device_type type
int i
Definition: input.c:407
#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:49
const AVCodecHWConfigInternal *const ff_vaapi_encode_hw_configs[]
Definition: vaapi_encode.c:32
int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
#define FFALIGN(x, a)
Definition: macros.h:48
const char data[16]
Definition: mxf.c:142
AVOptions.
pixel format definitions
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_VAAPI
Definition: pixfmt.h:122
Describe the class of an AVClass context structure.
Definition: log.h:67
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
main external API structure.
Definition: avcodec.h:536
int width
picture width / height.
Definition: avcodec.h:709
float i_quant_factor
qscale factor between P- and I-frames If > 0 then the last P-frame quantizer will be used (q = lastp_...
Definition: avcodec.h:841
void * priv_data
Definition: avcodec.h:563
float i_quant_offset
qscale offset between P and I-frames
Definition: avcodec.h:848
AVCodec.
Definition: codec.h:197
const char * name
Name of the codec implementation.
Definition: codec.h:204
AVOption.
Definition: opt.h:248
void * codec_picture_params
Definition: vaapi_encode.h:103
struct VAAPIEncodePicture * refs[MAX_PICTURE_REFERENCES]
Definition: vaapi_encode.h:116
VASurfaceID recon_surface
Definition: vaapi_encode.h:94
VABufferID output_buffer
Definition: vaapi_encode.h:100
const VAAPIEncodeProfile * profiles
Definition: vaapi_encode.h:369
VAAPIEncodeContext common
AVFormatContext * ctx
Definition: movenc.c:48
@ PICTURE_TYPE_P
Definition: vaapi_encode.h:57
@ PICTURE_TYPE_IDR
Definition: vaapi_encode.h:55
@ PICTURE_TYPE_I
Definition: vaapi_encode.h:56
#define VAAPI_ENCODE_COMMON_OPTIONS
Definition: vaapi_encode.h:445
#define VAAPI_ENCODE_RC_OPTIONS
Definition: vaapi_encode.h:463
static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx)
static const VAAPIEncodeProfile vaapi_encode_vp8_profiles[]
static av_cold int vaapi_encode_vp8_configure(AVCodecContext *avctx)
static const AVOption vaapi_encode_vp8_options[]
#define FLAGS
static const VAAPIEncodeType vaapi_encode_type_vp8
static const AVCodecDefault vaapi_encode_vp8_defaults[]
static int vaapi_encode_vp8_write_quant_table(AVCodecContext *avctx, VAAPIEncodePicture *pic, int index, int *type, char *data, size_t *data_len)
static int vaapi_encode_vp8_init_picture_params(AVCodecContext *avctx, VAAPIEncodePicture *pic)
#define OFFSET(x)
AVCodec ff_vp8_vaapi_encoder
static const AVClass vaapi_encode_vp8_class
static int vaapi_encode_vp8_init_sequence_params(AVCodecContext *avctx)
const uint8_t * quant
#define VP8_MAX_QUANT
Definition: vp8.h:40