mirror of
https://github.com/mpv-player/mpv
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53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* straightforward (to be) optimized JPEG encoder for the YUV422 format
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* based on MJPEG code from FFmpeg
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*
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* For an excellent introduction to the JPEG format, see:
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* http://www.ece.purdue.edu/~bouman/grad-labs/lab8/pdf/lab.pdf
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*
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* Copyright (c) 2002, Rik Snel
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* parts from FFmpeg Copyright (c) 2000-2002 Fabrice Bellard
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_JPEG_ENC_H
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#define MPLAYER_JPEG_ENC_H
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typedef struct {
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struct MpegEncContext *s;
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int cheap_upsample;
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int bw;
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int y_ps;
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int u_ps;
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int v_ps;
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int y_rs;
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int u_rs;
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int v_rs;
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} jpeg_enc_t;
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jpeg_enc_t *jpeg_enc_init(int w, int h, int y_psize, int y_rsize,
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int u_psize, int u_rsize, int v_psize, int v_rsize,
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int cu, int q, int b);
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int jpeg_enc_frame(jpeg_enc_t *j, unsigned char *y_data,
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unsigned char *u_data, unsigned char *v_data, char *bufr);
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void jpeg_enc_uninit(jpeg_enc_t *j);
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#endif /* MPLAYER_JPEG_ENC_H */
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