1 /* 2 * generic encoding-related code 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_ENCODE_H 22 #define AVCODEC_ENCODE_H 23 24 #include "libavutil/frame.h" 25 26 #include "avcodec.h" 27 #include "packet.h" 28 29 /** 30 * Called by encoders to get the next frame for encoding. 31 * 32 * @param frame An empty frame to be filled with data. 33 * @return 0 if a new reference has been successfully written to frame 34 * AVERROR(EAGAIN) if no data is currently available 35 * AVERROR_EOF if end of stream has been reached, so no more data 36 * will be available 37 */ 38 int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame); 39 40 /** 41 * Get a buffer for a packet. This is a wrapper around 42 * AVCodecContext.get_encode_buffer() and should be used instead calling get_encode_buffer() 43 * directly. 44 */ 45 int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags); 46 47 /* 48 * Perform encoder initialization and validation. 49 * Called when opening the encoder, before the AVCodec.init() call. 50 */ 51 int ff_encode_preinit(AVCodecContext *avctx); 52 53 #endif /* AVCODEC_ENCODE_H */ 54