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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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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
 
 
135
 
    render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
136
 
    assert(render);
137
 
 
138
 
    render->info.h264.slice_count = h->slice_num;
139
 
    if (render->info.h264.slice_count < 1)
140
 
        return;
141
 
 
142
 
    for (int i = 0; i < 2; ++i) {
143
 
        int foc = s->current_picture_ptr->field_poc[i];
144
 
        if (foc == INT_MAX)
145
 
            foc = 0;
146
 
        render->info.h264.field_order_cnt[i] = foc;
147
 
    }
148
 
 
149
 
    render->info.h264.is_reference                           = s->current_picture_ptr->reference ? VDP_TRUE : VDP_FALSE;
150
 
    render->info.h264.frame_num                              = h->frame_num;
151
 
    render->info.h264.field_pic_flag                         = s->picture_structure != PICT_FRAME;
152
 
    render->info.h264.bottom_field_flag                      = s->picture_structure == PICT_BOTTOM_FIELD;
153
 
    render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
154
 
    render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff;
155
 
    render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
156
 
    render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
157
 
    render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
158
 
    render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
159
 
    render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
160
 
    render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
161
 
    render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
162
 
    render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
163
 
    render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
164
 
    render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
165
 
    render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
166
 
    render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
167
 
    render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.log2_max_poc_lsb - 4;
168
 
    render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
169
 
    render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
170
 
    render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
171
 
    render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
172
 
    render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
173
 
    render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
174
 
    memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
175
 
    memcpy(render->info.h264.scaling_lists_8x8, h->pps.scaling_matrix8, sizeof(render->info.h264.scaling_lists_8x8));
176
 
 
177
 
    ff_draw_horiz_band(s, 0, s->avctx->height);
178
 
    render->bitstream_buffers_used = 0;
179
 
}
180
 
 
181
 
void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
182
 
                                    int buf_size, int slice_count)
183
 
{
184
 
    struct vdpau_render_state * render, * last, * next;
185
 
    int i;
186
 
 
187
 
    render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
188
 
    assert(render);
189
 
 
190
 
    /* fill VdpPictureInfoMPEG1Or2 struct */
191
 
    render->info.mpeg.picture_structure          = s->picture_structure;
192
 
    render->info.mpeg.picture_coding_type        = s->pict_type;
193
 
    render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
194
 
    render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
195
 
    render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
196
 
    render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
197
 
    render->info.mpeg.alternate_scan             = s->alternate_scan;
198
 
    render->info.mpeg.q_scale_type               = s->q_scale_type;
199
 
    render->info.mpeg.top_field_first            = s->top_field_first;
200
 
    render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
201
 
    render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
202
 
    render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
203
 
    render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
204
 
    render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
205
 
    render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
206
 
    for (i = 0; i < 64; ++i) {
207
 
        render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
208
 
        render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
209
 
    }
210
 
 
211
 
    render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
212
 
    render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
213
 
 
214
 
    switch(s->pict_type){
215
 
    case  FF_B_TYPE:
216
 
        next = (struct vdpau_render_state*)s->next_picture.data[0];
217
 
        assert(next);
218
 
        render->info.mpeg.backward_reference     = next->surface;
219
 
        // no return here, going to set forward prediction
220
 
    case  FF_P_TYPE:
221
 
        last = (struct vdpau_render_state*)s->last_picture.data[0];
222
 
        if (!last) // FIXME: Does this test make sense?
223
 
            last = render; // predict second field from the first
224
 
        render->info.mpeg.forward_reference      = last->surface;
225
 
    }
226
 
 
227
 
    ff_vdpau_add_data_chunk(s, buf, buf_size);
228
 
 
229
 
    render->info.mpeg.slice_count                = slice_count;
230
 
 
231
 
    if (slice_count)
232
 
        ff_draw_horiz_band(s, 0, s->avctx->height);
233
 
    render->bitstream_buffers_used               = 0;
234
 
}
235
 
 
236
 
void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
237
 
                                 int buf_size)
238
 
{
239
 
    VC1Context *v = s->avctx->priv_data;
240
 
    struct vdpau_render_state * render, * last, * next;
241
 
 
242
 
    render = (struct vdpau_render_state*)s->current_picture.data[0];
243
 
    assert(render);
244
 
 
245
 
    /*  fill LvPictureInfoVC1 struct */
246
 
    render->info.vc1.frame_coding_mode  = v->fcm;
247
 
    render->info.vc1.postprocflag       = v->postprocflag;
248
 
    render->info.vc1.pulldown           = v->broadcast;
249
 
    render->info.vc1.interlace          = v->interlace;
250
 
    render->info.vc1.tfcntrflag         = v->tfcntrflag;
251
 
    render->info.vc1.finterpflag        = v->finterpflag;
252
 
    render->info.vc1.psf                = v->psf;
253
 
    render->info.vc1.dquant             = v->dquant;
254
 
    render->info.vc1.panscan_flag       = v->panscanflag;
255
 
    render->info.vc1.refdist_flag       = v->refdist_flag;
256
 
    render->info.vc1.quantizer          = v->quantizer_mode;
257
 
    render->info.vc1.extended_mv        = v->extended_mv;
258
 
    render->info.vc1.extended_dmv       = v->extended_dmv;
259
 
    render->info.vc1.overlap            = v->overlap;
260
 
    render->info.vc1.vstransform        = v->vstransform;
261
 
    render->info.vc1.loopfilter         = v->s.loop_filter;
262
 
    render->info.vc1.fastuvmc           = v->fastuvmc;
263
 
    render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
264
 
    render->info.vc1.range_mapy         = v->range_mapy;
265
 
    render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
266
 
    render->info.vc1.range_mapuv        = v->range_mapuv;
267
 
    /* Specific to simple/main profile only */
268
 
    render->info.vc1.multires           = v->multires;
269
 
    render->info.vc1.syncmarker         = v->s.resync_marker;
270
 
    render->info.vc1.rangered           = v->rangered;
271
 
    render->info.vc1.maxbframes         = v->s.max_b_frames;
272
 
 
273
 
    render->info.vc1.deblockEnable      = v->postprocflag & 1;
274
 
    render->info.vc1.pquant             = v->pq;
275
 
 
276
 
    render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
277
 
    render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
278
 
 
279
 
    if (v->bi_type)
280
 
        render->info.vc1.picture_type = 4;
281
 
    else
282
 
        render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
283
 
 
284
 
    switch(s->pict_type){
285
 
    case  FF_B_TYPE:
286
 
        next = (struct vdpau_render_state*)s->next_picture.data[0];
287
 
        assert(next);
288
 
        render->info.vc1.backward_reference = next->surface;
289
 
        // no break here, going to set forward prediction
290
 
    case  FF_P_TYPE:
291
 
        last = (struct vdpau_render_state*)s->last_picture.data[0];
292
 
        if (!last) // FIXME: Does this test make sense?
293
 
            last = render; // predict second field from the first
294
 
        render->info.vc1.forward_reference = last->surface;
295
 
    }
296
 
 
297
 
    ff_vdpau_add_data_chunk(s, buf, buf_size);
298
 
 
299
 
    render->info.vc1.slice_count          = 1;
300
 
 
301
 
    ff_draw_horiz_band(s, 0, s->avctx->height);
302
 
    render->bitstream_buffers_used        = 0;
303
 
}
304
 
 
305
 
/* @}*/