From 09b85c13a3edc52f5909b05a138b62fcf1b25675 Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Tue, 9 Sep 2003 22:56:25 +0000 Subject: [PATCH] use const data - began to make code more portable Originally committed as revision 2247 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/indeo3.c | 37 ++++++++++++++++++++----------------- libavcodec/indeo3data.h | 6 +++--- 2 files changed, 23 insertions(+), 20 deletions(-) diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c index 0cf4118420..fb1c2300b7 100644 --- a/libavcodec/indeo3.c +++ b/libavcodec/indeo3.c @@ -306,8 +306,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, long *width_tbl, width_tbl_arr[10]; char *ref_vectors; unsigned char *cur_frm_pos, *ref_frm_pos, *cp, *cp2; - unsigned long *cur_lp, *ref_lp, *correction_lp[2], *correctionloworder_lp[2], - *correctionhighorder_lp[2]; + uint32_t *cur_lp, *ref_lp; + const uint32_t *correction_lp[2], *correctionloworder_lp[2], *correctionhighorder_lp[2]; unsigned short *correction_type_sp[2]; ustr_t strip_tbl[20], *strip; int i, j, k, lp1, lp2, flag1, cmd, blks_width, blks_height, region_160_width, @@ -399,7 +399,7 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, if(cmd == 0 || ref_vectors != NULL) { for(lp1 = 0; lp1 < blks_width; lp1++) { for(i = 0, j = 0; i < blks_height; i++, j += width_tbl[1]) - ((unsigned long *)cur_frm_pos)[j] = ((unsigned long *)ref_frm_pos)[j]; + ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j]; cur_frm_pos += 4; ref_frm_pos += 4; } @@ -414,7 +414,10 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, if((lv - 8) <= 7 && (k == 0 || k == 3 || k == 10)) { cp2 = s->ModPred + ((lv - 8) << 7); cp = ref_frm_pos; - for(i = 0; i < blks_width << 2; i++) { *(cp++) = cp2[*cp >> 1]; } + for(i = 0; i < blks_width << 2; i++) { + int v = *cp >> 1; + *(cp++) = cp2[v]; + } } if(k == 1 || k == 4) { @@ -438,8 +441,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, for(lp1 = 0; lp1 < blks_width; lp1++) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; - cur_lp = ((unsigned long *)cur_frm_pos) + width_tbl[lp2]; - ref_lp = ((unsigned long *)ref_frm_pos) + width_tbl[lp2]; + cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2]; + ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2]; switch(correction_type_sp[0][k]) { case 0: @@ -540,8 +543,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, for(lp2 = 0; lp2 < 4; ) { k = *buf1++; - cur_lp = ((unsigned long *)cur_frm_pos) + width_tbl[lp2 * 2]; - ref_lp = ((unsigned long *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; + cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; + ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: @@ -652,8 +655,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, for(lp1 = 0; lp1 < blks_width; lp1 += 2) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; - cur_lp = ((unsigned long *)cur_frm_pos) + width_tbl[lp2 * 2]; - ref_lp = ((unsigned long *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; + cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; + ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; lv1 = ref_lp[0]; lv2 = ref_lp[1]; if(lp2 == 0 && flag1 != 0) { @@ -814,8 +817,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, for(lp1 = 0; lp1 < blks_width; lp1 += 2) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; - cur_lp = ((unsigned long *)cur_frm_pos) + width_tbl[lp2 * 2]; - ref_lp = ((unsigned long *)ref_frm_pos) + width_tbl[lp2 * 2]; + cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; + ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: @@ -862,8 +865,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) { - ((unsigned long *)cur_frm_pos)[j] = ((unsigned long *)ref_frm_pos)[j]; - ((unsigned long *)cur_frm_pos)[j+1] = ((unsigned long *)ref_frm_pos)[j+1]; + ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j]; + ((uint32_t *)cur_frm_pos)[j+1] = ((uint32_t *)ref_frm_pos)[j+1]; } RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; @@ -890,7 +893,7 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) - ((unsigned long *)cur_frm_pos)[j] = ((unsigned long *)cur_frm_pos)[j+1] = lv; + ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)cur_frm_pos)[j+1] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; @@ -917,8 +920,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, for(lp1 = 0; lp1 < blks_width; lp1++) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; - cur_lp = ((unsigned long *)cur_frm_pos) + width_tbl[lp2 * 2]; - ref_lp = ((unsigned long *)ref_frm_pos) + width_tbl[lp2 * 2]; + cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; + ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: diff --git a/libavcodec/indeo3data.h b/libavcodec/indeo3data.h index fd59f712b1..47549268de 100644 --- a/libavcodec/indeo3data.h +++ b/libavcodec/indeo3data.h @@ -1,5 +1,5 @@ -unsigned long correction[] = { +static const uint32_t correction[] = { 0x00000000, 0x00000202, 0xfffffdfe, 0x000002ff, 0xfffffd01, 0xffffff03, 0x000000fd, 0x00000404, 0xfffffbfc, 0x00000501, 0xfffffaff, 0x00000105, 0xfffffefb, 0x000003fc, 0xfffffc04, 0x000005fe, 0xfffffa02, 0xfffffe06, 0x000001fa, 0x00000904, 0xfffff6fc, 0x00000409, 0xfffffbf7, 0x00000909, @@ -771,7 +771,7 @@ unsigned long correction[] = { }; -unsigned long correctionloworder[] = { +static const uint32_t correctionloworder[] = { 0x00000000, 0x02020202, 0xfdfdfdfe, 0x0302feff, 0xfcfd0101, 0xfeff0303, 0x0100fcfd, 0x04040404, 0xfbfbfbfc, 0x05050101, 0xfafafeff, 0x01010505, 0xfefefafb, 0x0403fbfc, 0xfbfc0404, 0x0605fdfe, 0xf9fa0202, 0xfdfe0606, 0x0201f9fa, 0x09090404, 0xf6f6fbfc, 0x04040909, 0xfbfbf6f7, 0x09090909, @@ -1543,7 +1543,7 @@ unsigned long correctionloworder[] = { }; -unsigned long correctionhighorder[] = { +static const uint32_t correctionhighorder[] = { 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef,