/* * 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
*/
/* * APIs internal to the generic codec layer. * * MUST NOT be included by individual encoders or decoders.
*/
/** * A map between packet and frame side data types. * Terminated with an entry where packet=AV_PKT_DATA_NB.
*/ externconst SideDataMap ff_sd_global_map[];
/** * avcodec_receive_frame() implementation for decoders.
*/ int ff_decode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
/** * avcodec_receive_frame() implementation for encoders.
*/ int ff_encode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
/* * Perform encoder initialization and validation. * Called when opening the encoder, before the FFCodec.init() call.
*/ int ff_encode_preinit(struct AVCodecContext *avctx);
/** * Perform decoder initialization and validation. * Called when opening the decoder, before the FFCodec.init() call.
*/ int ff_decode_preinit(struct AVCodecContext *avctx);
int ff_thread_init(struct AVCodecContext *s); void ff_thread_free(struct AVCodecContext *s);
/** * Wait for decoding threads to finish and reset internal state. * Called by avcodec_flush_buffers(). * * @param avctx The context.
*/ void ff_thread_flush(struct AVCodecContext *avctx);
/** * Submit available packets for decoding to worker threads, return a * decoded frame if available. Returns AVERROR(EAGAIN) if none is available. * * Parameters are the same as FFCodec.receive_frame.
*/ int ff_thread_receive_frame(struct AVCodecContext *avctx, AVFrame *frame);
/** * Do the actual decoding and obtain a decoded frame from the decoder, if * available. When frame threading is used, this is invoked by the worker * threads, otherwise by the top layer directly.
*/ int ff_decode_receive_frame_internal(struct AVCodecContext *avctx, AVFrame *frame);
/** * Get a packet for decoding. This gets invoked by the worker threads.
*/ int ff_thread_get_packet(struct AVCodecContext *avctx, AVPacket *pkt);
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