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93 lines
2.9 KiB
93 lines
2.9 KiB
/* |
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* Video Decode and Presentation API for UNIX (VDPAU) is used for |
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* HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1. |
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* |
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* Copyright (c) 2008 NVIDIA |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <limits.h> |
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#include "avcodec.h" |
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#include "h264.h" |
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#include "vc1.h" |
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#undef NDEBUG |
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#include <assert.h> |
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#include "vdpau.h" |
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#include "vdpau_internal.h" |
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/** |
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* @addtogroup VDPAU_Decoding |
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* |
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* @{ |
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*/ |
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int ff_vdpau_common_start_frame(Picture *pic, |
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av_unused const uint8_t *buffer, |
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av_unused uint32_t size) |
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{ |
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struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; |
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pic_ctx->bitstream_buffers_allocated = 0; |
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pic_ctx->bitstream_buffers_used = 0; |
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pic_ctx->bitstream_buffers = NULL; |
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return 0; |
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} |
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#if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \ |
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CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \ |
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CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL |
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int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx) |
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{ |
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AVVDPAUContext *hwctx = avctx->hwaccel_context; |
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MpegEncContext *s = avctx->priv_data; |
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Picture *pic = s->current_picture_ptr; |
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struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; |
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VdpVideoSurface surf = ff_vdpau_get_surface_id(pic); |
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hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info, |
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pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers); |
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ff_mpeg_draw_horiz_band(s, 0, s->avctx->height); |
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av_freep(&pic_ctx->bitstream_buffers); |
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return 0; |
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} |
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#endif |
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int ff_vdpau_add_buffer(Picture *pic, const uint8_t *buf, uint32_t size) |
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{ |
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struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; |
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VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers; |
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buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated, |
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(pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers)); |
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if (!buffers) |
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return AVERROR(ENOMEM); |
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pic_ctx->bitstream_buffers = buffers; |
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buffers += pic_ctx->bitstream_buffers_used++; |
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buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION; |
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buffers->bitstream = buf; |
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buffers->bitstream_bytes = size; |
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return 0; |
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} |
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/* @}*/
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