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Diffstat (limited to 'libavcodec/vda.h')
| -rw-r--r-- | libavcodec/vda.h | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/libavcodec/vda.h b/libavcodec/vda.h deleted file mode 100644 index bde14e31d7..0000000000 --- a/libavcodec/vda.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * VDA HW acceleration - * - * copyright (c) 2011 Sebastien Zwickert - * - * 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_VDA_H -#define AVCODEC_VDA_H - -/** - * @file - * @ingroup lavc_codec_hwaccel_vda - * Public libavcodec VDA header. - */ - -#include "libavcodec/avcodec.h" - -#include <stdint.h> - -// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes -// http://openradar.appspot.com/8026390 -#undef __GNUC_STDC_INLINE__ - -#define Picture QuickdrawPicture -#include <VideoDecodeAcceleration/VDADecoder.h> -#undef Picture - -#include "libavcodec/version.h" - -// extra flags not defined in VDADecoder.h -enum { - kVDADecodeInfo_Asynchronous = 1UL << 0, - kVDADecodeInfo_FrameDropped = 1UL << 1 -}; - -/** - * @defgroup lavc_codec_hwaccel_vda VDA - * @ingroup lavc_codec_hwaccel - * - * @{ - */ - -/** - * This structure is used to provide the necessary configurations and data - * to the VDA FFmpeg HWAccel implementation. - * - * The application must make it available as AVCodecContext.hwaccel_context. - */ -struct vda_context { - /** - * VDA decoder object. - * - * - encoding: unused - * - decoding: Set/Unset by libavcodec. - */ - VDADecoder decoder; - - /** - * The Core Video pixel buffer that contains the current image data. - * - * encoding: unused - * decoding: Set by libavcodec. Unset by user. - */ - CVPixelBufferRef cv_buffer; - - /** - * Use the hardware decoder in synchronous mode. - * - * encoding: unused - * decoding: Set by user. - */ - int use_sync_decoding; - - /** - * The frame width. - * - * - encoding: unused - * - decoding: Set/Unset by user. - */ - int width; - - /** - * The frame height. - * - * - encoding: unused - * - decoding: Set/Unset by user. - */ - int height; - - /** - * The frame format. - * - * - encoding: unused - * - decoding: Set/Unset by user. - */ - int format; - - /** - * The pixel format for output image buffers. - * - * - encoding: unused - * - decoding: Set/Unset by user. - */ - OSType cv_pix_fmt_type; - - /** - * unused - */ - uint8_t *priv_bitstream; - - /** - * unused - */ - int priv_bitstream_size; - - /** - * unused - */ - int priv_allocated_size; - - /** - * Use av_buffer to manage buffer. - * When the flag is set, the CVPixelBuffers returned by the decoder will - * be released automatically, so you have to retain them if necessary. - * Not setting this flag may cause memory leak. - * - * encoding: unused - * decoding: Set by user. - */ - int use_ref_buffer; -}; - -/** Create the video decoder. */ -int ff_vda_create_decoder(struct vda_context *vda_ctx, - uint8_t *extradata, - int extradata_size); - -/** Destroy the video decoder. */ -int ff_vda_destroy_decoder(struct vda_context *vda_ctx); - -/** - * This struct holds all the information that needs to be passed - * between the caller and libavcodec for initializing VDA decoding. - * Its size is not a part of the public ABI, it must be allocated with - * av_vda_alloc_context() and freed with av_free(). - */ -typedef struct AVVDAContext { - /** - * VDA decoder object. Created and freed by the caller. - */ - VDADecoder decoder; - - /** - * The output callback that must be passed to VDADecoderCreate. - * Set by av_vda_alloc_context(). - */ - VDADecoderOutputCallback output_callback; - - /** - * CVPixelBuffer Format Type that VDA will use for decoded frames; set by - * the caller. - */ - OSType cv_pix_fmt_type; -} AVVDAContext; - -/** - * Allocate and initialize a VDA context. - * - * This function should be called from the get_format() callback when the caller - * selects the AV_PIX_FMT_VDA format. The caller must then create the decoder - * object (using the output callback provided by libavcodec) that will be used - * for VDA-accelerated decoding. - * - * When decoding with VDA is finished, the caller must destroy the decoder - * object and free the VDA context using av_free(). - * - * @return the newly allocated context or NULL on failure - */ -AVVDAContext *av_vda_alloc_context(void); - -/** - * This is a convenience function that creates and sets up the VDA context using - * an internal implementation. - * - * @param avctx the corresponding codec context - * - * @return >= 0 on success, a negative AVERROR code on failure - */ -int av_vda_default_init(AVCodecContext *avctx); - -/** - * This is a convenience function that creates and sets up the VDA context using - * an internal implementation. - * - * @param avctx the corresponding codec context - * @param vdactx the VDA context to use - * - * @return >= 0 on success, a negative AVERROR code on failure - */ -int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx); - -/** - * This function must be called to free the VDA context initialized with - * av_vda_default_init(). - * - * @param avctx the corresponding codec context - */ -void av_vda_default_free(AVCodecContext *avctx); - -/** - * @} - */ - -#endif /* AVCODEC_VDA_H */ |