mirror of
https://github.com/jojo61/vdr-plugin-softhdcuvid.git
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164 lines
4.8 KiB
C
164 lines
4.8 KiB
C
///
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/// @file codec.h @brief Codec module headerfile
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///
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/// Copyright (c) 2009 - 2013, 2015 by Johns. All Rights Reserved.
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///
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/// Contributor(s):
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///
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/// License: AGPLv3
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///
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/// This program is free software: you can redistribute it and/or modify
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/// it under the terms of the GNU Affero General Public License as
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/// published by the Free Software Foundation, either version 3 of the
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/// License.
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///
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/// This program 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
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/// GNU Affero General Public License for more details.
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///
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/// $Id: bdb4d18dbe371e497d039e45faa7c134b019860a $
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//////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Codec
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/// @{
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//----------------------------------------------------------------------------
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// Defines
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//----------------------------------------------------------------------------
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#define CodecPCM 0x01 ///< PCM bit mask
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#define CodecMPA 0x02 ///< MPA bit mask (planned)
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#define CodecAC3 0x04 ///< AC-3 bit mask
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#define CodecEAC3 0x08 ///< E-AC-3 bit mask
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#define CodecDTS 0x10 ///< DTS bit mask (planned)
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000
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enum HWAccelID {
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HWACCEL_NONE = 0,
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HWACCEL_AUTO,
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HWACCEL_VDPAU,
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HWACCEL_DXVA2,
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HWACCEL_VDA,
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HWACCEL_VIDEOTOOLBOX,
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HWACCEL_QSV,
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HWACCEL_VAAPI,
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HWACCEL_CUVID,
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};
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extern AVBufferRef *hw_device_ctx;
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///
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/// Video decoder structure.
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///
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struct _video_decoder_
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{
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VideoHwDecoder *HwDecoder; ///< video hardware decoder
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int GetFormatDone; ///< flag get format called!
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AVCodec *VideoCodec; ///< video codec
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AVCodecContext *VideoCtx; ///< video codec context
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//#ifdef FFMPEG_WORKAROUND_ARTIFACTS
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int FirstKeyFrame; ///< flag first frame
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//#endif
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AVFrame *Frame; ///< decoded video frame
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/* hwaccel options */
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enum HWAccelID hwaccel_id;
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char *hwaccel_device;
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enum AVPixelFormat hwaccel_output_format;
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/* hwaccel context */
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enum HWAccelID active_hwaccel_id;
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void *hwaccel_ctx;
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void (*hwaccel_uninit)(AVCodecContext *s);
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int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
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int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
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enum AVPixelFormat hwaccel_pix_fmt;
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enum AVPixelFormat hwaccel_retrieved_pix_fmt;
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AVBufferRef *hw_frames_ctx;
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void *hwdec_priv;
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// For HDR side-data caching
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double cached_hdr_peak;
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// From VO
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struct mp_hwdec_devices *hwdec_devs;
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};
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//----------------------------------------------------------------------------
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// Typedefs
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//----------------------------------------------------------------------------
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/// Video decoder typedef.
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typedef struct _video_decoder_ VideoDecoder;
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/// Audio decoder typedef.
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typedef struct _audio_decoder_ AudioDecoder;
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//----------------------------------------------------------------------------
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// Variables
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//----------------------------------------------------------------------------
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/// Flag prefer fast xhannel switch
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extern char CodecUsePossibleDefectFrames;
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//----------------------------------------------------------------------------
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// Prototypes
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//----------------------------------------------------------------------------
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/// Allocate a new video decoder context.
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extern VideoDecoder *CodecVideoNewDecoder(VideoHwDecoder *);
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/// Deallocate a video decoder context.
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extern void CodecVideoDelDecoder(VideoDecoder *);
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/// Open video codec.
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extern void CodecVideoOpen(VideoDecoder *, int);
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/// Close video codec.
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extern void CodecVideoClose(VideoDecoder *);
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/// Decode a video packet.
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extern void CodecVideoDecode(VideoDecoder *, const AVPacket *);
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/// Flush video buffers.
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extern void CodecVideoFlushBuffers(VideoDecoder *);
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/// Allocate a new audio decoder context.
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extern AudioDecoder *CodecAudioNewDecoder(void);
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/// Deallocate an audio decoder context.
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extern void CodecAudioDelDecoder(AudioDecoder *);
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/// Open audio codec.
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extern void CodecAudioOpen(AudioDecoder *, int);
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/// Close audio codec.
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extern void CodecAudioClose(AudioDecoder *);
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/// Set audio drift correction.
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extern void CodecSetAudioDrift(int);
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/// Set audio pass-through.
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extern void CodecSetAudioPassthrough(int);
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/// Set audio downmix.
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extern void CodecSetAudioDownmix(int);
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/// Decode an audio packet.
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extern void CodecAudioDecode(AudioDecoder *, const AVPacket *);
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/// Flush audio buffers.
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extern void CodecAudioFlushBuffers(AudioDecoder *);
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/// Setup and initialize codec module.
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extern void CodecInit(void);
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/// Cleanup and exit codec module.
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extern void CodecExit(void);
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/// @}
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