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