FFmpeg coverage

Line	Branch	Exec	Source
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_vp9.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 "codec_internal.h"
30			#include "vaapi_encode.h"
31
32			#define VP9_MAX_QUANT 255
33
34			#define VP9_MAX_TILE_WIDTH 4096
35
36			typedef struct VAAPIEncodeVP9Picture {
37			int slot;
38			} VAAPIEncodeVP9Picture;
39
40			typedef struct VAAPIEncodeVP9Context {
41			VAAPIEncodeContext common;
42
43			// User options.
44			int loop_filter_level;
45			int loop_filter_sharpness;
46
47			// Derived settings.
48			int q_idx_idr;
49			int q_idx_p;
50			int q_idx_b;
51			} VAAPIEncodeVP9Context;
52
53
54		✗	static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx)
55			{
56		✗	VAAPIEncodeContext *ctx = avctx->priv_data;
57		✗	VAEncSequenceParameterBufferVP9 *vseq = ctx->codec_sequence_params;
58		✗	VAEncPictureParameterBufferVP9 *vpic = ctx->codec_picture_params;
59
60		✗	vseq->max_frame_width = avctx->width;
61		✗	vseq->max_frame_height = avctx->height;
62
63		✗	vseq->kf_auto = 0;
64
65		✗	if (!(ctx->va_rc_mode & VA_RC_CQP)) {
66		✗	vseq->bits_per_second = ctx->va_bit_rate;
67		✗	vseq->intra_period = ctx->gop_size;
68			}
69
70		✗	vpic->frame_width_src = avctx->width;
71		✗	vpic->frame_height_src = avctx->height;
72		✗	vpic->frame_width_dst = avctx->width;
73		✗	vpic->frame_height_dst = avctx->height;
74
75		✗	return 0;
76			}
77
78		✗	static int vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,
79			VAAPIEncodePicture *pic)
80			{
81		✗	VAAPIEncodeContext *ctx = avctx->priv_data;
82		✗	VAAPIEncodeVP9Context *priv = avctx->priv_data;
83		✗	VAAPIEncodeVP9Picture *hpic = pic->priv_data;
84		✗	VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;
85			int i;
86			int num_tile_columns;
87
88		✗	vpic->reconstructed_frame = pic->recon_surface;
89		✗	vpic->coded_buf = pic->output_buffer;
90
91			// Maximum width of a tile in units of superblocks is MAX_TILE_WIDTH_B64(64)
92			// So the number of tile columns is related to the width of the picture.
93			// We set the minimum possible number for num_tile_columns as default value.
94		✗	num_tile_columns = (vpic->frame_width_src + VP9_MAX_TILE_WIDTH - 1) / VP9_MAX_TILE_WIDTH;
95		✗	vpic->log2_tile_columns = num_tile_columns == 1 ? 0 : av_log2(num_tile_columns - 1) + 1;
96
97		✗	switch (pic->type) {
98		✗	case PICTURE_TYPE_IDR:
99		✗	av_assert0(pic->nb_refs[0] == 0 && pic->nb_refs[1] == 0);
100		✗	vpic->ref_flags.bits.force_kf = 1;
101		✗	vpic->refresh_frame_flags = 0xff;
102		✗	hpic->slot = 0;
103		✗	break;
104		✗	case PICTURE_TYPE_P:
105		✗	av_assert0(!pic->nb_refs[1]);
106			{
107		✗	VAAPIEncodeVP9Picture *href = pic->refs[0][0]->priv_data;
108		✗	av_assert0(href->slot == 0 || href->slot == 1);
109
110		✗	if (ctx->max_b_depth > 0) {
111		✗	hpic->slot = !href->slot;
112		✗	vpic->refresh_frame_flags = 1 << hpic->slot | 0xfc;
113			} else {
114		✗	hpic->slot = 0;
115		✗	vpic->refresh_frame_flags = 0xff;
116			}
117		✗	vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
118		✗	vpic->ref_flags.bits.ref_last_idx = href->slot;
119		✗	vpic->ref_flags.bits.ref_last_sign_bias = 1;
120			}
121		✗	break;
122		✗	case PICTURE_TYPE_B:
123		✗	av_assert0(pic->nb_refs[0] && pic->nb_refs[1]);
124			{
125		✗	VAAPIEncodeVP9Picture *href0 = pic->refs[0][0]->priv_data,
126		✗	*href1 = pic->refs[1][0]->priv_data;
127		✗	av_assert0(href0->slot < pic->b_depth + 1 &&
128			href1->slot < pic->b_depth + 1);
129
130		✗	if (pic->b_depth == ctx->max_b_depth) {
131			// Unreferenced frame.
132		✗	vpic->refresh_frame_flags = 0x00;
133		✗	hpic->slot = 8;
134			} else {
135		✗	vpic->refresh_frame_flags = 0xfe << pic->b_depth & 0xff;
136		✗	hpic->slot = 1 + pic->b_depth;
137			}
138		✗	vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
139		✗	vpic->ref_flags.bits.ref_frame_ctrl_l1 = 2;
140		✗	vpic->ref_flags.bits.ref_last_idx = href0->slot;
141		✗	vpic->ref_flags.bits.ref_last_sign_bias = 1;
142		✗	vpic->ref_flags.bits.ref_gf_idx = href1->slot;
143		✗	vpic->ref_flags.bits.ref_gf_sign_bias = 0;
144			}
145		✗	break;
146		✗	default:
147		✗	av_assert0(0 && "invalid picture type");
148			}
149		✗	if (vpic->refresh_frame_flags == 0x00) {
150		✗	av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" not stored.\n",
151			pic->display_order);
152			} else {
153		✗	av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" stored in slot %d.\n",
154			pic->display_order, hpic->slot);
155			}
156
157		✗	for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)
158		✗	vpic->reference_frames[i] = VA_INVALID_SURFACE;
159
160		✗	for (i = 0; i < MAX_REFERENCE_LIST_NUM; i++) {
161		✗	for (int j = 0; j < pic->nb_refs[i]; j++) {
162		✗	VAAPIEncodePicture *ref_pic = pic->refs[i][j];
163			int slot;
164		✗	slot = ((VAAPIEncodeVP9Picture*)ref_pic->priv_data)->slot;
165		✗	av_assert0(vpic->reference_frames[slot] == VA_INVALID_SURFACE);
166		✗	vpic->reference_frames[slot] = ref_pic->recon_surface;
167			}
168			}
169
170		✗	vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
171		✗	vpic->pic_flags.bits.show_frame = pic->display_order <= pic->encode_order;
172
173		✗	if (pic->type == PICTURE_TYPE_IDR)
174		✗	vpic->luma_ac_qindex = priv->q_idx_idr;
175		✗	else if (pic->type == PICTURE_TYPE_P)
176		✗	vpic->luma_ac_qindex = priv->q_idx_p;
177			else
178		✗	vpic->luma_ac_qindex = priv->q_idx_b;
179		✗	vpic->luma_dc_qindex_delta = 0;
180		✗	vpic->chroma_ac_qindex_delta = 0;
181		✗	vpic->chroma_dc_qindex_delta = 0;
182
183		✗	vpic->filter_level = priv->loop_filter_level;
184		✗	vpic->sharpness_level = priv->loop_filter_sharpness;
185
186		✗	return 0;
187			}
188
189		✗	static av_cold int vaapi_encode_vp9_get_encoder_caps(AVCodecContext *avctx)
190			{
191		✗	VAAPIEncodeContext *ctx = avctx->priv_data;
192
193			// Surfaces must be aligned to 64x64 superblock boundaries.
194		✗	ctx->surface_width = FFALIGN(avctx->width, 64);
195		✗	ctx->surface_height = FFALIGN(avctx->height, 64);
196
197		✗	return 0;
198			}
199
200		✗	static av_cold int vaapi_encode_vp9_configure(AVCodecContext *avctx)
201			{
202		✗	VAAPIEncodeContext *ctx = avctx->priv_data;
203		✗	VAAPIEncodeVP9Context *priv = avctx->priv_data;
204
205		✗	if (ctx->rc_mode->quality) {
206		✗	priv->q_idx_p = av_clip(ctx->rc_quality, 0, VP9_MAX_QUANT);
207		✗	if (avctx->i_quant_factor > 0.0)
208		✗	priv->q_idx_idr =
209		✗	av_clip((avctx->i_quant_factor * priv->q_idx_p +
210		✗	avctx->i_quant_offset) + 0.5,
211			0, VP9_MAX_QUANT);
212			else
213		✗	priv->q_idx_idr = priv->q_idx_p;
214		✗	if (avctx->b_quant_factor > 0.0)
215		✗	priv->q_idx_b =
216		✗	av_clip((avctx->b_quant_factor * priv->q_idx_p +
217		✗	avctx->b_quant_offset) + 0.5,
218			0, VP9_MAX_QUANT);
219			else
220		✗	priv->q_idx_b = priv->q_idx_p;
221			} else {
222			// Arbitrary value.
223		✗	priv->q_idx_idr = priv->q_idx_p = priv->q_idx_b = 100;
224			}
225
226		✗	ctx->roi_quant_range = VP9_MAX_QUANT;
227
228		✗	return 0;
229			}
230
231			static const VAAPIEncodeProfile vaapi_encode_vp9_profiles[] = {
232			{ AV_PROFILE_VP9_0, 8, 3, 1, 1, VAProfileVP9Profile0 },
233			{ AV_PROFILE_VP9_1, 8, 3, 0, 0, VAProfileVP9Profile1 },
234			{ AV_PROFILE_VP9_2, 10, 3, 1, 1, VAProfileVP9Profile2 },
235			{ AV_PROFILE_VP9_3, 10, 3, 0, 0, VAProfileVP9Profile3 },
236			{ AV_PROFILE_UNKNOWN }
237			};
238
239			static const VAAPIEncodeType vaapi_encode_type_vp9 = {
240			.profiles = vaapi_encode_vp9_profiles,
241
242			.flags = FLAG_B_PICTURES |
243			FLAG_B_PICTURE_REFERENCES,
244
245			.default_quality = 100,
246
247			.picture_priv_data_size = sizeof(VAAPIEncodeVP9Picture),
248
249			.get_encoder_caps = &vaapi_encode_vp9_get_encoder_caps,
250			.configure = &vaapi_encode_vp9_configure,
251
252			.sequence_params_size = sizeof(VAEncSequenceParameterBufferVP9),
253			.init_sequence_params = &vaapi_encode_vp9_init_sequence_params,
254
255			.picture_params_size = sizeof(VAEncPictureParameterBufferVP9),
256			.init_picture_params = &vaapi_encode_vp9_init_picture_params,
257			};
258
259		✗	static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx)
260			{
261		✗	VAAPIEncodeContext *ctx = avctx->priv_data;
262
263		✗	ctx->codec = &vaapi_encode_type_vp9;
264
265			// No packed headers are currently desired. They could be written,
266			// but there isn't any reason to do so - the one usable driver (i965)
267			// can write its own headers and there is no metadata to include.
268		✗	ctx->desired_packed_headers = 0;
269
270		✗	return ff_vaapi_encode_init(avctx);
271			}
272
273			#define OFFSET(x) offsetof(VAAPIEncodeVP9Context, x)
274			#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
275			static const AVOption vaapi_encode_vp9_options[] = {
276			VAAPI_ENCODE_COMMON_OPTIONS,
277			VAAPI_ENCODE_RC_OPTIONS,
278
279			{ "loop_filter_level", "Loop filter level",
280			OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
281			{ "loop_filter_sharpness", "Loop filter sharpness",
282			OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
283			{ NULL },
284			};
285
286			static const FFCodecDefault vaapi_encode_vp9_defaults[] = {
287			{ "b", "0" },
288			{ "bf", "0" },
289			{ "g", "250" },
290			{ "qmin", "-1" },
291			{ "qmax", "-1" },
292			{ NULL },
293			};
294
295			static const AVClass vaapi_encode_vp9_class = {
296			.class_name = "vp9_vaapi",
297			.item_name = av_default_item_name,
298			.option = vaapi_encode_vp9_options,
299			.version = LIBAVUTIL_VERSION_INT,
300			};
301
302			const FFCodec ff_vp9_vaapi_encoder = {
303			.p.name = "vp9_vaapi",
304			CODEC_LONG_NAME("VP9 (VAAPI)"),
305			.p.type = AVMEDIA_TYPE_VIDEO,
306			.p.id = AV_CODEC_ID_VP9,
307			.priv_data_size = sizeof(VAAPIEncodeVP9Context),
308			.init = &vaapi_encode_vp9_init,
309			FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
310			.close = &ff_vaapi_encode_close,
311			.p.priv_class = &vaapi_encode_vp9_class,
312			.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
313			AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
314			.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
315			FF_CODEC_CAP_INIT_CLEANUP,
316			.defaults = vaapi_encode_vp9_defaults,
317			.p.pix_fmts = (const enum AVPixelFormat[]) {
318			AV_PIX_FMT_VAAPI,
319			AV_PIX_FMT_NONE,
320			},
321			.hw_configs = ff_vaapi_encode_hw_configs,
322			.p.wrapper_name = "vaapi",
323			};
324