/*
* lossless JPEG encoder
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2003 Alex Beregszaszi
* Copyright (c) 2003-2004 Michael Niedermayer
*
+ * Support for external huffman table, various fixes (AVID workaround),
+ * aspecting, new decode_frame mechanism and apple mjpeg-b support
+ * by Alex Beregszaszi
+ *
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* 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
- *
- * Support for external huffman table, various fixes (AVID workaround),
- * aspecting, new decode_frame mechanism and apple mjpeg-b support
- * by Alex Beregszaszi
*/
/**
- * @file ljpegenc.c
+ * @file libavcodec/ljpegenc.c
* lossless JPEG encoder.
*/
}
if(i==0)
- ff_mjpeg_encode_dc(s, (int8_t)(*ptr - pred), m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly
+ ff_mjpeg_encode_dc(s, *ptr - pred, m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly
else
- ff_mjpeg_encode_dc(s, (int8_t)(*ptr - pred), m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
+ ff_mjpeg_encode_dc(s, *ptr - pred, m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
}
}
}
PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor);
if(i==0)
- ff_mjpeg_encode_dc(s, (int8_t)(*ptr - pred), m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly
+ ff_mjpeg_encode_dc(s, *ptr - pred, m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly
else
- ff_mjpeg_encode_dc(s, (int8_t)(*ptr - pred), m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
+ ff_mjpeg_encode_dc(s, *ptr - pred, m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
}
}
}
s->picture_number++;
flush_put_bits(&s->pb);
- return pbBufPtr(&s->pb) - s->pb.buf;
+ return put_bits_ptr(&s->pb) - s->pb.buf;
// return (put_bits_count(&f->pb)+7)/8;
}
MPV_encode_init,
encode_picture_lossless,
MPV_encode_end,
+ .long_name = NULL_IF_CONFIG_SMALL("Lossless JPEG"),
};