diff options
Diffstat (limited to 'libavcodec/qsvdec.h')
-rw-r--r-- | libavcodec/qsvdec.h | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/libavcodec/qsvdec.h b/libavcodec/qsvdec.h index 698d8c8..97a3315 100644 --- a/libavcodec/qsvdec.h +++ b/libavcodec/qsvdec.h @@ -3,20 +3,20 @@ * * copyright (c) 2013 Luca Barbato * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -41,7 +41,7 @@ typedef struct QSVContext { // the session we allocated internally, in case the caller did not provide // one - mfxSession internal_session; + QSVSession internal_qs; /** * a linked list of frames currently being used by QSV @@ -49,11 +49,22 @@ typedef struct QSVContext { QSVFrame *work_frames; AVFifoBuffer *async_fifo; + AVFifoBuffer *input_fifo; - // the internal parser and codec context for parsing the data - AVCodecParserContext *parser; - AVCodecContext *avctx_internal; - enum AVPixelFormat orig_pix_fmt; + // we should to buffer input packets at some cases + // else it is not possible to handle dynamic stream changes correctly + // this fifo uses for input packets buffering + AVFifoBuffer *pkt_fifo; + + // this flag indicates that header parsed, + // decoder instance created and ready to general decoding + int engine_ready; + + // we can not just re-init decoder if different sequence header arrived + // we should to deliver all buffered frames but we can not decode new packets + // this time. So when reinit_pending is non-zero we flushing decoder and + // accumulate new arrived packets into pkt_fifo + int reinit_pending; // options set by the caller int async_depth; @@ -67,10 +78,11 @@ typedef struct QSVContext { int ff_qsv_map_pixfmt(enum AVPixelFormat format); -int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, - AVFrame *frame, int *got_frame, AVPacket *pkt); +int ff_qsv_decode(AVCodecContext *s, QSVContext *q, + AVFrame *frame, int *got_frame, + AVPacket *avpkt); -void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q); +void ff_qsv_decode_reset(AVCodecContext *avctx, QSVContext *q); int ff_qsv_decode_close(QSVContext *q); |