* Intel Indeo 3 (IV31, IV32, etc.) video decoder for ffmpeg
* written, produced, and directed by Alan Smithee
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <string.h>
+#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "bytestream.h"
}
struct ustr {
- long xpos;
- long ypos;
- long width;
- long height;
- long split_flag;
- long split_direction;
- long usl7;
+ int xpos;
+ int ypos;
+ int width;
+ int height;
+ int split_flag;
+ int split_direction;
+ int usl7;
};
static void iv_Decode_Chunk(Indeo3DecodeContext *s,
uint8_t *cur, uint8_t *ref, int width, int height,
- const uint8_t *buf1, long cb_offset, const uint8_t *hdr,
+ const uint8_t *buf1, int cb_offset, const uint8_t *hdr,
const uint8_t *buf2, int min_width_160)
{
uint8_t bit_buf;
- unsigned long bit_pos, lv, lv1, lv2;
- long *width_tbl, width_tbl_arr[10];
+ unsigned int bit_pos, lv, lv1, lv2;
+ int *width_tbl, width_tbl_arr[10];
const signed char *ref_vectors;
uint8_t *cur_frm_pos, *ref_frm_pos, *cp, *cp2;
uint32_t *cur_lp, *ref_lp;
switch(correction_type_sp[0][k]) {
case 0:
- *cur_lp = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
+ *cur_lp = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
- res = ((le2me_16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
- ((unsigned short *)cur_lp)[0] = le2me_16(res);
- res = ((le2me_16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
- ((unsigned short *)cur_lp)[1] = le2me_16(res);
+ res = ((av_le2ne16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
+ ((unsigned short *)cur_lp)[0] = av_le2ne16(res);
+ res = ((av_le2ne16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
+ ((unsigned short *)cur_lp)[1] = av_le2ne16(res);
buf1++;
lp2++;
break;
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || flag1 == 0 || strip->ypos != 0)
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
else
- cur_lp[0] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[0] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
- res = ((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
- ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res);
- res = ((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
- ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(res);
+ res = ((av_le2ne16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
+ ((unsigned short *)cur_lp)[width_tbl[2]] = av_le2ne16(res);
+ res = ((av_le2ne16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
+ ((unsigned short *)cur_lp)[width_tbl[2]+1] = av_le2ne16(res);
if(lp2 > 0 || flag1 == 0 || strip->ypos != 0)
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
- cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(lv2) >> 1) + correctionhighorder_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(lv2) >> 1) + correctionhighorder_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) {
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
break;
case 1:
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1);
- cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(lv2) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1);
+ cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(lv2) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) {
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
case 0:
lv1 = correctionloworder_lp[lp2 & 0x01][k];
lv2 = correctionhighorder_lp[lp2 & 0x01][k];
- cur_lp[0] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1);
- cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1);
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
- cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
+ cur_lp[0] = av_le2ne32(((av_le2ne32(ref_lp[0]) >> 1) + lv1) << 1);
+ cur_lp[1] = av_le2ne32(((av_le2ne32(ref_lp[1]) >> 1) + lv2) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
+ cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
lp2++;
break;
case 1:
lv1 = correctionloworder_lp[lp2 & 0x01][*buf1++];
lv2 = correctionloworder_lp[lp2 & 0x01][k];
- cur_lp[0] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1);
- cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1);
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
- cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
+ cur_lp[0] = av_le2ne32(((av_le2ne32(ref_lp[0]) >> 1) + lv1) << 1);
+ cur_lp[1] = av_le2ne32(((av_le2ne32(ref_lp[1]) >> 1) + lv2) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
+ cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
lp2++;
break;
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
- cur_lp[0] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
- cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[0] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
+ cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
lv1 = (unsigned short)(correction_lp[lp2 & 0x01][*buf1++]);
lv2 = (unsigned short)(correction_lp[lp2 & 0x01][k]);
- res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1);
- ((unsigned short *)cur_lp)[0] = le2me_16(res);
- res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1);
- ((unsigned short *)cur_lp)[1] = le2me_16(res);
- res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1);
- ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res);
- res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1);
- ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(res);
+ res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1);
+ ((unsigned short *)cur_lp)[0] = av_le2ne16(res);
+ res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1);
+ ((unsigned short *)cur_lp)[1] = av_le2ne16(res);
+ res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1);
+ ((unsigned short *)cur_lp)[width_tbl[2]] = av_le2ne16(res);
+ res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1);
+ ((unsigned short *)cur_lp)[width_tbl[2]+1] = av_le2ne16(res);
lp2++;
break;
Indeo3DecodeContext *s = avctx->priv_data;
unsigned int image_width, image_height,
chroma_width, chroma_height;
- unsigned long flags, cb_offset, data_size,
+ unsigned int flags, cb_offset, data_size,
y_offset, v_offset, u_offset, mc_vector_count;
const uint8_t *hdr_pos, *buf_pos;
image_height = bytestream_get_le16(&buf_pos);
image_width = bytestream_get_le16(&buf_pos);
- if(avcodec_check_dimensions(avctx, image_width, image_height))
+ if(av_image_check_size(image_width, image_height, 0, avctx))
return -1;
if (image_width != avctx->width || image_height != avctx->height) {
int ret;
return 0;
}
-AVCodec indeo3_decoder = {
+AVCodec ff_indeo3_decoder = {
"indeo3",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_INDEO3,
projects / ffmpeg / blobdiff