X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjni%2Fffmpeg-3.0.11%2Finclude%2Flibavcodec%2Fvda.h;fp=app%2Fsrc%2Fmain%2Fjni%2Fffmpeg-3.0.11%2Finclude%2Flibavcodec%2Fvda.h;h=bde14e31d7dfdc238d03d9144ba5a16d20b8084b;hb=577426ccc66649228285c4a0b6ba8752836059c6;hp=0000000000000000000000000000000000000000;hpb=b7202442677d0cf41e6e59870cd6c34e5619b8b9;p=rtmpclient.git diff --git a/app/src/main/jni/ffmpeg-3.0.11/include/libavcodec/vda.h b/app/src/main/jni/ffmpeg-3.0.11/include/libavcodec/vda.h new file mode 100644 index 0000000..bde14e3 --- /dev/null +++ b/app/src/main/jni/ffmpeg-3.0.11/include/libavcodec/vda.h @@ -0,0 +1,230 @@ +/* + * 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 + +// 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 +#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 */