Commit | Line | Data |
---|---|---|
bf52f773 | 1 | /* |
e0b16457 | 2 | * Intel MediaSDK QSV based MPEG-2, VC-1 and VP8 decoders |
bf52f773 AK |
3 | * |
4 | * copyright (c) 2015 Anton Khirnov | |
5 | * | |
6 | * This file is part of Libav. | |
7 | * | |
8 | * Libav is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * Libav is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with Libav; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | ||
24 | #include <stdint.h> | |
25 | #include <string.h> | |
26 | ||
27 | #include <mfx/mfxvideo.h> | |
28 | ||
29 | #include "libavutil/common.h" | |
30 | #include "libavutil/fifo.h" | |
31 | #include "libavutil/opt.h" | |
32 | ||
33 | #include "avcodec.h" | |
34 | #include "internal.h" | |
35 | #include "qsv_internal.h" | |
36 | #include "qsvdec.h" | |
37 | #include "qsv.h" | |
38 | ||
b6582b29 | 39 | typedef struct QSVOtherContext { |
bf52f773 AK |
40 | AVClass *class; |
41 | QSVContext qsv; | |
42 | ||
43 | AVFifoBuffer *packet_fifo; | |
44 | ||
45 | AVPacket input_ref; | |
b6582b29 | 46 | } QSVOtherContext; |
bf52f773 | 47 | |
b6582b29 | 48 | static void qsv_clear_buffers(QSVOtherContext *s) |
bf52f773 AK |
49 | { |
50 | AVPacket pkt; | |
51 | while (av_fifo_size(s->packet_fifo) >= sizeof(pkt)) { | |
52 | av_fifo_generic_read(s->packet_fifo, &pkt, sizeof(pkt), NULL); | |
53 | av_packet_unref(&pkt); | |
54 | } | |
55 | ||
56 | av_packet_unref(&s->input_ref); | |
57 | } | |
58 | ||
59 | static av_cold int qsv_decode_close(AVCodecContext *avctx) | |
60 | { | |
b6582b29 | 61 | QSVOtherContext *s = avctx->priv_data; |
bf52f773 AK |
62 | |
63 | ff_qsv_decode_close(&s->qsv); | |
64 | ||
65 | qsv_clear_buffers(s); | |
66 | ||
67 | av_fifo_free(s->packet_fifo); | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
72 | static av_cold int qsv_decode_init(AVCodecContext *avctx) | |
73 | { | |
b6582b29 | 74 | QSVOtherContext *s = avctx->priv_data; |
bf52f773 AK |
75 | int ret; |
76 | ||
e0b16457 MT |
77 | #if CONFIG_VP8_QSV_DECODER |
78 | if (avctx->codec_id == AV_CODEC_ID_VP8) { | |
79 | static const char *uid_vp8dec_hw = "f622394d8d87452f878c51f2fc9b4131"; | |
80 | ||
81 | av_freep(&s->qsv.load_plugins); | |
82 | s->qsv.load_plugins = av_strdup(uid_vp8dec_hw); | |
83 | if (!s->qsv.load_plugins) | |
84 | return AVERROR(ENOMEM); | |
85 | } | |
86 | #endif | |
87 | ||
bf52f773 AK |
88 | s->packet_fifo = av_fifo_alloc(sizeof(AVPacket)); |
89 | if (!s->packet_fifo) { | |
90 | ret = AVERROR(ENOMEM); | |
91 | goto fail; | |
92 | } | |
93 | ||
bf52f773 AK |
94 | return 0; |
95 | fail: | |
96 | qsv_decode_close(avctx); | |
97 | return ret; | |
98 | } | |
99 | ||
100 | static int qsv_decode_frame(AVCodecContext *avctx, void *data, | |
101 | int *got_frame, AVPacket *avpkt) | |
102 | { | |
b6582b29 | 103 | QSVOtherContext *s = avctx->priv_data; |
bf52f773 AK |
104 | AVFrame *frame = data; |
105 | int ret; | |
106 | ||
107 | /* buffer the input packet */ | |
108 | if (avpkt->size) { | |
109 | AVPacket input_ref = { 0 }; | |
110 | ||
111 | if (av_fifo_space(s->packet_fifo) < sizeof(input_ref)) { | |
112 | ret = av_fifo_realloc2(s->packet_fifo, | |
113 | av_fifo_size(s->packet_fifo) + sizeof(input_ref)); | |
114 | if (ret < 0) | |
115 | return ret; | |
116 | } | |
117 | ||
118 | ret = av_packet_ref(&input_ref, avpkt); | |
119 | if (ret < 0) | |
120 | return ret; | |
121 | av_fifo_generic_write(s->packet_fifo, &input_ref, sizeof(input_ref), NULL); | |
122 | } | |
123 | ||
124 | /* process buffered data */ | |
125 | while (!*got_frame) { | |
bf52f773 AK |
126 | if (s->input_ref.size <= 0) { |
127 | /* no more data */ | |
128 | if (av_fifo_size(s->packet_fifo) < sizeof(AVPacket)) | |
129 | return avpkt->size ? avpkt->size : ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt); | |
130 | ||
131 | av_packet_unref(&s->input_ref); | |
132 | av_fifo_generic_read(s->packet_fifo, &s->input_ref, sizeof(s->input_ref), NULL); | |
133 | } | |
134 | ||
135 | ret = ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->input_ref); | |
136 | if (ret < 0) | |
137 | return ret; | |
138 | ||
139 | s->input_ref.size -= ret; | |
140 | s->input_ref.data += ret; | |
141 | } | |
142 | ||
143 | return avpkt->size; | |
144 | } | |
145 | ||
146 | static void qsv_decode_flush(AVCodecContext *avctx) | |
147 | { | |
b6582b29 | 148 | QSVOtherContext *s = avctx->priv_data; |
bf52f773 AK |
149 | |
150 | qsv_clear_buffers(s); | |
151 | ff_qsv_decode_flush(avctx, &s->qsv); | |
152 | } | |
153 | ||
b6582b29 MT |
154 | #define OFFSET(x) offsetof(QSVOtherContext, x) |
155 | #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | |
156 | static const AVOption options[] = { | |
157 | { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD }, | |
158 | { NULL }, | |
159 | }; | |
160 | ||
161 | #if CONFIG_MPEG2_QSV_HWACCEL | |
bf52f773 AK |
162 | AVHWAccel ff_mpeg2_qsv_hwaccel = { |
163 | .name = "mpeg2_qsv", | |
164 | .type = AVMEDIA_TYPE_VIDEO, | |
165 | .id = AV_CODEC_ID_MPEG2VIDEO, | |
166 | .pix_fmt = AV_PIX_FMT_QSV, | |
167 | }; | |
b6582b29 | 168 | #endif |
bf52f773 | 169 | |
b6582b29 MT |
170 | #if CONFIG_MPEG2_QSV_DECODER |
171 | static const AVClass mpeg2_qsv_class = { | |
bf52f773 AK |
172 | .class_name = "mpeg2_qsv", |
173 | .item_name = av_default_item_name, | |
174 | .option = options, | |
175 | .version = LIBAVUTIL_VERSION_INT, | |
176 | }; | |
177 | ||
178 | AVCodec ff_mpeg2_qsv_decoder = { | |
179 | .name = "mpeg2_qsv", | |
180 | .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"), | |
b6582b29 | 181 | .priv_data_size = sizeof(QSVOtherContext), |
bf52f773 AK |
182 | .type = AVMEDIA_TYPE_VIDEO, |
183 | .id = AV_CODEC_ID_MPEG2VIDEO, | |
184 | .init = qsv_decode_init, | |
185 | .decode = qsv_decode_frame, | |
186 | .flush = qsv_decode_flush, | |
187 | .close = qsv_decode_close, | |
2d591595 | 188 | .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1, |
b6582b29 MT |
189 | .priv_class = &mpeg2_qsv_class, |
190 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, | |
191 | AV_PIX_FMT_QSV, | |
192 | AV_PIX_FMT_NONE }, | |
193 | }; | |
194 | #endif | |
195 | ||
196 | #if CONFIG_VC1_QSV_HWACCEL | |
197 | AVHWAccel ff_vc1_qsv_hwaccel = { | |
198 | .name = "vc1_qsv", | |
199 | .type = AVMEDIA_TYPE_VIDEO, | |
200 | .id = AV_CODEC_ID_VC1, | |
201 | .pix_fmt = AV_PIX_FMT_QSV, | |
202 | }; | |
203 | #endif | |
204 | ||
205 | #if CONFIG_VC1_QSV_DECODER | |
206 | static const AVClass vc1_qsv_class = { | |
207 | .class_name = "vc1_qsv", | |
208 | .item_name = av_default_item_name, | |
209 | .option = options, | |
210 | .version = LIBAVUTIL_VERSION_INT, | |
211 | }; | |
212 | ||
213 | AVCodec ff_vc1_qsv_decoder = { | |
214 | .name = "vc1_qsv", | |
215 | .long_name = NULL_IF_CONFIG_SMALL("VC-1 video (Intel Quick Sync Video acceleration)"), | |
216 | .priv_data_size = sizeof(QSVOtherContext), | |
217 | .type = AVMEDIA_TYPE_VIDEO, | |
218 | .id = AV_CODEC_ID_VC1, | |
219 | .init = qsv_decode_init, | |
220 | .decode = qsv_decode_frame, | |
221 | .flush = qsv_decode_flush, | |
222 | .close = qsv_decode_close, | |
223 | .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1, | |
224 | .priv_class = &vc1_qsv_class, | |
741b352b AK |
225 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, |
226 | AV_PIX_FMT_QSV, | |
227 | AV_PIX_FMT_NONE }, | |
bf52f773 | 228 | }; |
b6582b29 | 229 | #endif |
e0b16457 MT |
230 | |
231 | #if CONFIG_VP8_QSV_HWACCEL | |
232 | AVHWAccel ff_vp8_qsv_hwaccel = { | |
233 | .name = "vp8_qsv", | |
234 | .type = AVMEDIA_TYPE_VIDEO, | |
235 | .id = AV_CODEC_ID_VP8, | |
236 | .pix_fmt = AV_PIX_FMT_QSV, | |
237 | }; | |
238 | #endif | |
239 | ||
240 | #if CONFIG_VP8_QSV_DECODER | |
241 | static const AVClass vp8_qsv_class = { | |
242 | .class_name = "vp8_qsv", | |
243 | .item_name = av_default_item_name, | |
244 | .option = options, | |
245 | .version = LIBAVUTIL_VERSION_INT, | |
246 | }; | |
247 | ||
248 | AVCodec ff_vp8_qsv_decoder = { | |
249 | .name = "vp8_qsv", | |
250 | .long_name = NULL_IF_CONFIG_SMALL("VP8 video (Intel Quick Sync Video acceleration)"), | |
251 | .priv_data_size = sizeof(QSVOtherContext), | |
252 | .type = AVMEDIA_TYPE_VIDEO, | |
253 | .id = AV_CODEC_ID_VP8, | |
254 | .init = qsv_decode_init, | |
255 | .decode = qsv_decode_frame, | |
256 | .flush = qsv_decode_flush, | |
257 | .close = qsv_decode_close, | |
258 | .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1, | |
259 | .priv_class = &vp8_qsv_class, | |
260 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, | |
261 | AV_PIX_FMT_QSV, | |
262 | AV_PIX_FMT_NONE }, | |
263 | }; | |
264 | #endif |