+++ /dev/null
-/*
- * The Video Decode and Presentation API for UNIX (VDPAU) is used for
- * hardware-accelerated decoding of MPEG-1/2, 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
- */
-
-#ifndef AVCODEC_VDPAU_H
-#define AVCODEC_VDPAU_H
-
-/**
- * @file
- * @ingroup lavc_codec_hwaccel_vdpau
- * Public libavcodec VDPAU header.
- */
-
-
-/**
- * @defgroup lavc_codec_hwaccel_vdpau VDPAU Decoder and Renderer
- * @ingroup lavc_codec_hwaccel
- *
- * VDPAU hardware acceleration has two modules
- * - VDPAU decoding
- * - VDPAU presentation
- *
- * The VDPAU decoding module parses all headers using FFmpeg
- * parsing mechanisms and uses VDPAU for the actual decoding.
- *
- * As per the current implementation, the actual decoding
- * and rendering (API calls) are done as part of the VDPAU
- * presentation (vo_vdpau.c) module.
- *
- * @{
- */
-
-#include <vdpau/vdpau.h>
-#include <vdpau/vdpau_x11.h>
-#include "libavutil/avconfig.h"
-#include "libavutil/attributes.h"
-
-#include "avcodec.h"
-#include "version.h"
-
-#if FF_API_BUFS_VDPAU
-union AVVDPAUPictureInfo {
- VdpPictureInfoH264 h264;
- VdpPictureInfoMPEG1Or2 mpeg;
- VdpPictureInfoVC1 vc1;
- VdpPictureInfoMPEG4Part2 mpeg4;
-};
-#endif
-
-struct AVCodecContext;
-struct AVFrame;
-
-typedef int (*AVVDPAU_Render2)(struct AVCodecContext *, struct AVFrame *,
- const VdpPictureInfo *, uint32_t,
- const VdpBitstreamBuffer *);
-
-/**
- * This structure is used to share data between the libavcodec library and
- * the client video application.
- * The user shall allocate the structure via the av_alloc_vdpau_hwaccel
- * function and make it available as
- * AVCodecContext.hwaccel_context. Members can be set by the user once
- * during initialization or through each AVCodecContext.get_buffer()
- * function call. In any case, they must be valid prior to calling
- * decoding functions.
- *
- * The size of this structure is not a part of the public ABI and must not
- * be used outside of libavcodec. Use av_vdpau_alloc_context() to allocate an
- * AVVDPAUContext.
- */
-typedef struct AVVDPAUContext {
- /**
- * VDPAU decoder handle
- *
- * Set by user.
- */
- VdpDecoder decoder;
-
- /**
- * VDPAU decoder render callback
- *
- * Set by the user.
- */
- VdpDecoderRender *render;
-
-#if FF_API_BUFS_VDPAU
- /**
- * VDPAU picture information
- *
- * Set by libavcodec.
- */
- attribute_deprecated
- union AVVDPAUPictureInfo info;
-
- /**
- * Allocated size of the bitstream_buffers table.
- *
- * Set by libavcodec.
- */
- attribute_deprecated
- int bitstream_buffers_allocated;
-
- /**
- * Useful bitstream buffers in the bitstream buffers table.
- *
- * Set by libavcodec.
- */
- attribute_deprecated
- int bitstream_buffers_used;
-
- /**
- * Table of bitstream buffers.
- * The user is responsible for freeing this buffer using av_freep().
- *
- * Set by libavcodec.
- */
- attribute_deprecated
- VdpBitstreamBuffer *bitstream_buffers;
-#endif
- AVVDPAU_Render2 render2;
-} AVVDPAUContext;
-
-/**
- * @brief allocation function for AVVDPAUContext
- *
- * Allows extending the struct without breaking API/ABI
- */
-AVVDPAUContext *av_alloc_vdpaucontext(void);
-
-AVVDPAU_Render2 av_vdpau_hwaccel_get_render2(const AVVDPAUContext *);
-void av_vdpau_hwaccel_set_render2(AVVDPAUContext *, AVVDPAU_Render2);
-
-/**
- * Associate a VDPAU device with a codec context for hardware acceleration.
- * This function is meant to be called from the get_format() codec callback,
- * or earlier. It can also be called after avcodec_flush_buffers() to change
- * the underlying VDPAU device mid-stream (e.g. to recover from non-transparent
- * display preemption).
- *
- * @note get_format() must return AV_PIX_FMT_VDPAU if this function completes
- * successfully.
- *
- * @param avctx decoding context whose get_format() callback is invoked
- * @param device VDPAU device handle to use for hardware acceleration
- * @param get_proc_address VDPAU device driver
- * @param flags zero of more OR'd AV_HWACCEL_FLAG_* flags
- *
- * @return 0 on success, an AVERROR code on failure.
- */
-int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
- VdpGetProcAddress *get_proc_address, unsigned flags);
-
-/**
- * Gets the parameters to create an adequate VDPAU video surface for the codec
- * context using VDPAU hardware decoding acceleration.
- *
- * @note Behavior is undefined if the context was not successfully bound to a
- * VDPAU device using av_vdpau_bind_context().
- *
- * @param avctx the codec context being used for decoding the stream
- * @param type storage space for the VDPAU video surface chroma type
- * (or NULL to ignore)
- * @param width storage space for the VDPAU video surface pixel width
- * (or NULL to ignore)
- * @param height storage space for the VDPAU video surface pixel height
- * (or NULL to ignore)
- *
- * @return 0 on success, a negative AVERROR code on failure.
- */
-int av_vdpau_get_surface_parameters(AVCodecContext *avctx, VdpChromaType *type,
- uint32_t *width, uint32_t *height);
-
-/**
- * Allocate an AVVDPAUContext.
- *
- * @return Newly-allocated AVVDPAUContext or NULL on failure.
- */
-AVVDPAUContext *av_vdpau_alloc_context(void);
-
-#if FF_API_VDPAU_PROFILE
-/**
- * Get a decoder profile that should be used for initializing a VDPAU decoder.
- * Should be called from the AVCodecContext.get_format() callback.
- *
- * @deprecated Use av_vdpau_bind_context() instead.
- *
- * @param avctx the codec context being used for decoding the stream
- * @param profile a pointer into which the result will be written on success.
- * The contents of profile are undefined if this function returns
- * an error.
- *
- * @return 0 on success (non-negative), a negative AVERROR on failure.
- */
-attribute_deprecated
-int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile);
-#endif
-
-#if FF_API_CAP_VDPAU
-/** @brief The videoSurface is used for rendering. */
-#define FF_VDPAU_STATE_USED_FOR_RENDER 1
-
-/**
- * @brief The videoSurface is needed for reference/prediction.
- * The codec manipulates this.
- */
-#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
-
-/**
- * @brief This structure is used as a callback between the FFmpeg
- * decoder (vd_) and presentation (vo_) module.
- * This is used for defining a video frame containing surface,
- * picture parameter, bitstream information etc which are passed
- * between the FFmpeg decoder and its clients.
- */
-struct vdpau_render_state {
- VdpVideoSurface surface; ///< Used as rendered surface, never changed.
-
- int state; ///< Holds FF_VDPAU_STATE_* values.
-
- /** picture parameter information for all supported codecs */
- union AVVDPAUPictureInfo info;
-
- /** Describe size/location of the compressed video data.
- Set to 0 when freeing bitstream_buffers. */
- int bitstream_buffers_allocated;
- int bitstream_buffers_used;
- /** The user is responsible for freeing this buffer using av_freep(). */
- VdpBitstreamBuffer *bitstream_buffers;
-};
-#endif
-
-/* @}*/
-
-#endif /* AVCODEC_VDPAU_H */
projects / rtmpclient.git / blobdiff