vdpau: remove old-style decoders
[libav.git] / libavcodec / vdpau.c
1 /*
2 * Video Decode and Presentation API for UNIX (VDPAU) is used for
3 * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
4 *
5 * Copyright (c) 2008 NVIDIA
6 *
7 * This file is part of Libav.
8 *
9 * Libav 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 * Libav 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 Libav; 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 int ff_vdpau_common_start_frame(AVCodecContext *avctx,
42 av_unused const uint8_t *buffer,
43 av_unused uint32_t size)
44 {
45 AVVDPAUContext *hwctx = avctx->hwaccel_context;
46
47 hwctx->bitstream_buffers_used = 0;
48 return 0;
49 }
50
51 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
52 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
53 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
54 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
55 {
56 AVVDPAUContext *hwctx = avctx->hwaccel_context;
57 MpegEncContext *s = avctx->priv_data;
58 VdpVideoSurface surf = ff_vdpau_get_surface_id(s->current_picture_ptr);
59
60 hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
61 hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
62
63 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
64 hwctx->bitstream_buffers_used = 0;
65
66 return 0;
67 }
68 #endif
69
70 int ff_vdpau_add_buffer(AVCodecContext *avctx,
71 const uint8_t *buf, uint32_t size)
72 {
73 AVVDPAUContext *hwctx = avctx->hwaccel_context;
74 VdpBitstreamBuffer *buffers = hwctx->bitstream_buffers;
75
76 buffers = av_fast_realloc(buffers, &hwctx->bitstream_buffers_allocated,
77 (hwctx->bitstream_buffers_used + 1) * sizeof(*buffers));
78 if (!buffers)
79 return AVERROR(ENOMEM);
80
81 hwctx->bitstream_buffers = buffers;
82 buffers += hwctx->bitstream_buffers_used++;
83
84 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
85 buffers->bitstream = buf;
86 buffers->bitstream_bytes = size;
87 return 0;
88 }
89
90 /* @}*/