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  • Committer: Bazaar Package Importer
  • Author(s): Reinhard Tartler
  • Date: 2009-03-13 09:18:28 UTC
  • mfrom: (1.1.8 upstream)
  • Revision ID: james.westby@ubuntu.com-20090313091828-n4ktby5eca487uhv
Tags: 3:0.svn20090303-1ubuntu1+unstripped1
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libavcodec/vdpau.c
 
1
/*
 
2
 * Video Decode and Presentation API for UNIX (VDPAU) is used for
 
3
 * HW decode acceleration for MPEG-1/2, H.264 and VC-1.
 
4
 *
 
5
 * Copyright (c) 2008 NVIDIA
 
6
 *
 
7
 * This file is part of FFmpeg.
 
8
 *
 
9
 * FFmpeg is free software; you can redistribute it and/or
 
10
 * modify it under the terms of the GNU Lesser General Public
 
11
 * License as published by the Free Software Foundation; either
 
12
 * version 2.1 of the License, or (at your option) any later version.
 
13
 *
 
14
 * FFmpeg is distributed in the hope that it will be useful,
 
15
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
17
 * Lesser General Public License for more details.
 
18
 *
 
19
 * You should have received a copy of the GNU Lesser General Public
 
20
 * License along with FFmpeg; if not, write to the Free Software
 
21
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
22
 */
 
23
 
 
24
#include <limits.h>
 
25
#include "avcodec.h"
 
26
#include "h264.h"
 
27
#include "vc1.h"
 
28
 
 
29
#undef NDEBUG
 
30
#include <assert.h>
 
31
 
 
32
#include "vdpau.h"
 
33
#include "vdpau_internal.h"
 
34
 
 
35
/**
 
36
 * \addtogroup VDPAU_Decoding
 
37
 *
 
38
 * @{
 
39
 */
 
40
 
 
41
void ff_vdpau_h264_set_reference_frames(MpegEncContext *s)
 
42
{
 
43
    H264Context *h = s->avctx->priv_data;
 
44
    struct vdpau_render_state *render, *render_ref;
 
45
    VdpReferenceFrameH264 *rf, *rf2;
 
46
    Picture *pic;
 
47
    int i, list, pic_frame_idx;
 
48
 
 
49
    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
 
50
    assert(render);
 
51
 
 
52
    rf = &render->info.h264.referenceFrames[0];
 
53
#define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 
54
 
 
55
    for (list = 0; list < 2; ++list) {
 
56
        Picture **lp = list ? h->long_ref : h->short_ref;
 
57
        int ls = list ? h->long_ref_count : h->short_ref_count;
 
58
 
 
59
        for (i = 0; i < ls; ++i) {
 
60
            pic = lp[i];
 
61
            if (!pic || !pic->reference)
 
62
                continue;
 
63
            pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 
64
 
 
65
            render_ref = (struct vdpau_render_state *)pic->data[0];
 
66
            assert(render_ref);
 
67
 
 
68
            rf2 = &render->info.h264.referenceFrames[0];
 
69
            while (rf2 != rf) {
 
70
                if (
 
71
                    (rf2->surface == render_ref->surface)
 
72
                    && (rf2->is_long_term == pic->long_ref)
 
73
                    && (rf2->frame_idx == pic_frame_idx)
 
74
                )
 
75
                    break;
 
76
                ++rf2;
 
77
            }
 
78
            if (rf2 != rf) {
 
79
                rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 
80
                rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 
81
                continue;
 
82
            }
 
83
 
 
84
            if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 
85
                continue;
 
86
 
 
87
            rf->surface             = render_ref->surface;
 
88
            rf->is_long_term        = pic->long_ref;
 
89
            rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 
90
            rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 
91
            rf->field_order_cnt[0]  = pic->field_poc[0];
 
92
            rf->field_order_cnt[1]  = pic->field_poc[1];
 
93
            rf->frame_idx           = pic_frame_idx;
 
94
 
 
95
            ++rf;
 
96
        }
 
97
    }
 
98
 
 
99
    for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 
100
        rf->surface             = VDP_INVALID_HANDLE;
 
101
        rf->is_long_term        = 0;
 
102
        rf->top_is_reference    = 0;
 
103
        rf->bottom_is_reference = 0;
 
104
        rf->field_order_cnt[0]  = 0;
 
105
        rf->field_order_cnt[1]  = 0;
 
106
        rf->frame_idx           = 0;
 
107
    }
 
108
}
 
109
 
 
110
void ff_vdpau_add_data_chunk(MpegEncContext *s,
 
111
                             const uint8_t *buf, int buf_size)
 
112
{
 
113
    struct vdpau_render_state *render;
 
114
 
 
115
    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
 
116
    assert(render);
 
117
 
 
118
    render->bitstream_buffers= av_fast_realloc(
 
119
        render->bitstream_buffers,
 
120
        &render->bitstream_buffers_allocated,
 
121
        sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 
122
    );
 
123
 
 
124
    render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 
125
    render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 
126
    render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 
127
    render->bitstream_buffers_used++;
 
128
}
 
129
 
 
130
void ff_vdpau_h264_picture_complete(MpegEncContext *s)
 
131
{
 
132
    H264Context *h = s->avctx->priv_data;
 
133
    struct vdpau_render_state *render;
 
134
    int i;
 
135
 
 
136
    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
 
137
    assert(render);
 
138
 
 
139
    render->info.h264.slice_count = h->slice_num;
 
140
    if (render->info.h264.slice_count < 1)
 
141
        return;
 
142
 
 
143
    for (i = 0; i < 2; ++i) {
 
144
        int foc = s->current_picture_ptr->field_poc[i];
 
145
        if (foc == INT_MAX)
 
146
            foc = 0;
 
147
        render->info.h264.field_order_cnt[i] = foc;
 
148
    }
 
149
 
 
150
    render->info.h264.is_reference                           = (s->current_picture_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 
151
    render->info.h264.frame_num                              = h->frame_num;
 
152
    render->info.h264.field_pic_flag                         = s->picture_structure != PICT_FRAME;
 
153
    render->info.h264.bottom_field_flag                      = s->picture_structure == PICT_BOTTOM_FIELD;
 
154
    render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
 
155
    render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
 
156
    render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
 
157
    render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
 
158
    render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
 
159
    render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
 
160
    render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
 
161
    render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
 
162
    render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
 
163
    render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
 
164
    render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
 
165
    render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
 
166
    render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
 
167
    render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
 
168
    render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.log2_max_poc_lsb - 4;
 
169
    render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
 
170
    render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
 
171
    render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
 
172
    render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
 
173
    render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
 
174
    render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
 
175
    memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 
176
    memcpy(render->info.h264.scaling_lists_8x8, h->pps.scaling_matrix8, sizeof(render->info.h264.scaling_lists_8x8));
 
177
 
 
178
    ff_draw_horiz_band(s, 0, s->avctx->height);
 
179
    render->bitstream_buffers_used = 0;
 
180
}
 
181
 
 
182
void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 
183
                                    int buf_size, int slice_count)
 
184
{
 
185
    struct vdpau_render_state *render, *last, *next;
 
186
    int i;
 
187
 
 
188
    if (!s->current_picture_ptr) return;
 
189
 
 
190
    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
 
191
    assert(render);
 
192
 
 
193
    /* fill VdpPictureInfoMPEG1Or2 struct */
 
194
    render->info.mpeg.picture_structure          = s->picture_structure;
 
195
    render->info.mpeg.picture_coding_type        = s->pict_type;
 
196
    render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 
197
    render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 
198
    render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 
199
    render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 
200
    render->info.mpeg.alternate_scan             = s->alternate_scan;
 
201
    render->info.mpeg.q_scale_type               = s->q_scale_type;
 
202
    render->info.mpeg.top_field_first            = s->top_field_first;
 
203
    render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 
204
    render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 
205
    render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 
206
    render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 
207
    render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 
208
    render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 
209
    for (i = 0; i < 64; ++i) {
 
210
        render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 
211
        render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 
212
    }
 
213
 
 
214
    render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 
215
    render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 
216
 
 
217
    switch(s->pict_type){
 
218
    case  FF_B_TYPE:
 
219
        next = (struct vdpau_render_state *)s->next_picture.data[0];
 
220
        assert(next);
 
221
        render->info.mpeg.backward_reference     = next->surface;
 
222
        // no return here, going to set forward prediction
 
223
    case  FF_P_TYPE:
 
224
        last = (struct vdpau_render_state *)s->last_picture.data[0];
 
225
        if (!last) // FIXME: Does this test make sense?
 
226
            last = render; // predict second field from the first
 
227
        render->info.mpeg.forward_reference      = last->surface;
 
228
    }
 
229
 
 
230
    ff_vdpau_add_data_chunk(s, buf, buf_size);
 
231
 
 
232
    render->info.mpeg.slice_count                = slice_count;
 
233
 
 
234
    if (slice_count)
 
235
        ff_draw_horiz_band(s, 0, s->avctx->height);
 
236
    render->bitstream_buffers_used               = 0;
 
237
}
 
238
 
 
239
void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 
240
                                 int buf_size)
 
241
{
 
242
    VC1Context *v = s->avctx->priv_data;
 
243
    struct vdpau_render_state *render, *last, *next;
 
244
 
 
245
    render = (struct vdpau_render_state *)s->current_picture.data[0];
 
246
    assert(render);
 
247
 
 
248
    /*  fill LvPictureInfoVC1 struct */
 
249
    render->info.vc1.frame_coding_mode  = v->fcm;
 
250
    render->info.vc1.postprocflag       = v->postprocflag;
 
251
    render->info.vc1.pulldown           = v->broadcast;
 
252
    render->info.vc1.interlace          = v->interlace;
 
253
    render->info.vc1.tfcntrflag         = v->tfcntrflag;
 
254
    render->info.vc1.finterpflag        = v->finterpflag;
 
255
    render->info.vc1.psf                = v->psf;
 
256
    render->info.vc1.dquant             = v->dquant;
 
257
    render->info.vc1.panscan_flag       = v->panscanflag;
 
258
    render->info.vc1.refdist_flag       = v->refdist_flag;
 
259
    render->info.vc1.quantizer          = v->quantizer_mode;
 
260
    render->info.vc1.extended_mv        = v->extended_mv;
 
261
    render->info.vc1.extended_dmv       = v->extended_dmv;
 
262
    render->info.vc1.overlap            = v->overlap;
 
263
    render->info.vc1.vstransform        = v->vstransform;
 
264
    render->info.vc1.loopfilter         = v->s.loop_filter;
 
265
    render->info.vc1.fastuvmc           = v->fastuvmc;
 
266
    render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 
267
    render->info.vc1.range_mapy         = v->range_mapy;
 
268
    render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 
269
    render->info.vc1.range_mapuv        = v->range_mapuv;
 
270
    /* Specific to simple/main profile only */
 
271
    render->info.vc1.multires           = v->multires;
 
272
    render->info.vc1.syncmarker         = v->s.resync_marker;
 
273
    render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 
274
    render->info.vc1.maxbframes         = v->s.max_b_frames;
 
275
 
 
276
    render->info.vc1.deblockEnable      = v->postprocflag & 1;
 
277
    render->info.vc1.pquant             = v->pq;
 
278
 
 
279
    render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 
280
    render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 
281
 
 
282
    if (v->bi_type)
 
283
        render->info.vc1.picture_type = 4;
 
284
    else
 
285
        render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 
286
 
 
287
    switch(s->pict_type){
 
288
    case  FF_B_TYPE:
 
289
        next = (struct vdpau_render_state *)s->next_picture.data[0];
 
290
        assert(next);
 
291
        render->info.vc1.backward_reference = next->surface;
 
292
        // no break here, going to set forward prediction
 
293
    case  FF_P_TYPE:
 
294
        last = (struct vdpau_render_state *)s->last_picture.data[0];
 
295
        if (!last) // FIXME: Does this test make sense?
 
296
            last = render; // predict second field from the first
 
297
        render->info.vc1.forward_reference = last->surface;
 
298
    }
 
299
 
 
300
    ff_vdpau_add_data_chunk(s, buf, buf_size);
 
301
 
 
302
    render->info.vc1.slice_count          = 1;
 
303
 
 
304
    ff_draw_horiz_band(s, 0, s->avctx->height);
 
305
    render->bitstream_buffers_used        = 0;
 
306
}
 
307
 
 
308
/* @}*/