avcodec/idctdsp: Transmit studio_profile to init instead of using AVCodecContext...
[ffmpeg.git] / libavcodec / vaapi_mjpeg.c
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_dec_jpeg.h>
21
22 #include "hwaccel.h"
23 #include "vaapi_decode.h"
24 #include "mjpegdec.h"
25
26 static int vaapi_mjpeg_start_frame(AVCodecContext          *avctx,
27                                    av_unused const uint8_t *buffer,
28                                    av_unused uint32_t       size)
29 {
30     const MJpegDecodeContext *s = avctx->priv_data;
31     VAAPIDecodePicture *pic = s->hwaccel_picture_private;
32     VAPictureParameterBufferJPEGBaseline pp;
33     int err, i;
34
35     pic->output_surface = ff_vaapi_get_surface_id(s->picture_ptr);
36
37     pp = (VAPictureParameterBufferJPEGBaseline) {
38         .picture_width  = avctx->width,
39         .picture_height = avctx->height,
40
41         .num_components = s->nb_components,
42     };
43
44     for (i = 0; i < s->nb_components; i++) {
45         pp.components[i].component_id             = s->component_id[i];
46         pp.components[i].h_sampling_factor        = s->h_count[i];
47         pp.components[i].v_sampling_factor        = s->v_count[i];
48         pp.components[i].quantiser_table_selector = s->quant_index[i];
49     }
50
51     err = ff_vaapi_decode_make_param_buffer(avctx, pic,
52                                             VAPictureParameterBufferType,
53                                             &pp, sizeof(pp));
54     if (err < 0)
55         goto fail;
56
57     return 0;
58
59 fail:
60     ff_vaapi_decode_cancel(avctx, pic);
61     return err;
62 }
63
64 static int vaapi_mjpeg_end_frame(AVCodecContext *avctx)
65 {
66     const MJpegDecodeContext *s = avctx->priv_data;
67     VAAPIDecodePicture *pic = s->hwaccel_picture_private;
68
69     return ff_vaapi_decode_issue(avctx, pic);
70 }
71
72 static int vaapi_mjpeg_decode_slice(AVCodecContext *avctx,
73                                     const uint8_t  *buffer,
74                                     uint32_t        size)
75 {
76     const MJpegDecodeContext *s = avctx->priv_data;
77     VAAPIDecodePicture *pic = s->hwaccel_picture_private;
78     VAHuffmanTableBufferJPEGBaseline huff;
79     VAIQMatrixBufferJPEGBaseline quant;
80     VASliceParameterBufferJPEGBaseline sp;
81     int err, i, j;
82
83     memset(&huff, 0, sizeof(huff));
84     for (i = 0; i < 2; i++) {
85         huff.load_huffman_table[i] = 1;
86         for (j = 0; j < 16; j++)
87             huff.huffman_table[i].num_dc_codes[j] = s->raw_huffman_lengths[0][i][j];
88         for (j = 0; j < 12; j++)
89             huff.huffman_table[i].dc_values[j] = s->raw_huffman_values[0][i][j];
90         for (j = 0; j < 16; j++)
91             huff.huffman_table[i].num_ac_codes[j] = s->raw_huffman_lengths[1][i][j];
92         for (j = 0; j < 162; j++)
93             huff.huffman_table[i].ac_values[j] = s->raw_huffman_values[1][i][j];
94     }
95
96     err = ff_vaapi_decode_make_param_buffer(avctx, pic,
97                                             VAHuffmanTableBufferType,
98                                             &huff, sizeof(huff));
99     if (err < 0)
100         goto fail;
101
102     memset(&quant, 0, sizeof(quant));
103     for (i = 0; i < 4; i++) {
104         quant.load_quantiser_table[i] = 1;
105         for (j = 0; j < 64; j++)
106             quant.quantiser_table[i][j] = s->quant_matrixes[i][j];
107     }
108
109     err = ff_vaapi_decode_make_param_buffer(avctx, pic,
110                                             VAIQMatrixBufferType,
111                                             &quant, sizeof(quant));
112     if (err < 0)
113         goto fail;
114
115     sp = (VASliceParameterBufferJPEGBaseline) {
116         .slice_data_size   = size,
117         .slice_data_offset = 0,
118         .slice_data_flag   = VA_SLICE_DATA_FLAG_ALL,
119
120         .slice_horizontal_position = 0,
121         .slice_vertical_position   = 0,
122
123         .restart_interval          = s->restart_interval,
124         .num_mcus                  = s->mb_width * s->mb_height,
125     };
126
127     sp.num_components = s->nb_components;
128     for (i = 0; i < s->nb_components; i++) {
129         sp.components[i].component_selector = s->component_id[s->comp_index[i]];
130         sp.components[i].dc_table_selector  = s->dc_index[i];
131         sp.components[i].ac_table_selector  = s->ac_index[i];
132     }
133
134     err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &sp, sizeof(sp), buffer, size);
135     if (err)
136         goto fail;
137
138     return 0;
139
140 fail:
141     ff_vaapi_decode_cancel(avctx, pic);
142     return err;
143 }
144
145 const AVHWAccel ff_mjpeg_vaapi_hwaccel = {
146     .name                 = "mjpeg_vaapi",
147     .type                 = AVMEDIA_TYPE_VIDEO,
148     .id                   = AV_CODEC_ID_MJPEG,
149     .pix_fmt              = AV_PIX_FMT_VAAPI,
150     .start_frame          = &vaapi_mjpeg_start_frame,
151     .end_frame            = &vaapi_mjpeg_end_frame,
152     .decode_slice         = &vaapi_mjpeg_decode_slice,
153     .frame_priv_data_size = sizeof(VAAPIDecodePicture),
154     .init                 = &ff_vaapi_decode_init,
155     .uninit               = &ff_vaapi_decode_uninit,
156     .frame_params         = &ff_vaapi_common_frame_params,
157     .priv_data_size       = sizeof(VAAPIDecodeContext),
158     .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
159 };