* Wing Commander III Movie (.mve) File Demuxer
* Copyright (c) 2003 The ffmpeg Project
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
/* bizarre palette lookup table */
static const unsigned char wc3_pal_lookup[] = {
- 0x00, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0E,
+ 0x00, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0E,
0x10, 0x12, 0x13, 0x15, 0x16, 0x18, 0x19, 0x1A,
- 0x1C, 0x1D, 0x1F, 0x20, 0x21, 0x23, 0x24, 0x25,
+ 0x1C, 0x1D, 0x1F, 0x20, 0x21, 0x23, 0x24, 0x25,
0x27, 0x28, 0x29, 0x2A, 0x2C, 0x2D, 0x2E, 0x2F,
- 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x38, 0x39,
+ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x38, 0x39,
0x3A, 0x3B, 0x3C, 0x3D, 0x3F, 0x40, 0x41, 0x42,
- 0x43, 0x44, 0x45, 0x46, 0x48, 0x49, 0x4A, 0x4B,
+ 0x43, 0x44, 0x45, 0x46, 0x48, 0x49, 0x4A, 0x4B,
0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53,
- 0x54, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C,
+ 0x54, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C,
0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64,
- 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C,
+ 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C,
0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74,
- 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C,
+ 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C,
0x7D, 0x7D, 0x7E, 0x7F, 0x80, 0x81, 0x82, 0x83,
- 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B,
+ 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B,
0x8C, 0x8D, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92,
- 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x99,
+ 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x99,
0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1,
- 0xA2, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8,
+ 0xA2, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8,
0xA9, 0xAA, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
- 0xB0, 0xB1, 0xB2, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
+ 0xB0, 0xB1, 0xB2, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
0xB7, 0xB8, 0xB9, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD,
- 0xBE, 0xBF, 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4,
+ 0xBE, 0xBF, 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4,
0xC5, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB,
- 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD0, 0xD1,
+ 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD0, 0xD1,
0xD2, 0xD3, 0xD4, 0xD5, 0xD5, 0xD6, 0xD7, 0xD8,
0xD9, 0xDA, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE4, 0xE5,
- 0xE6, 0xE7, 0xE8, 0xE9, 0xE9, 0xEA, 0xEB, 0xEC,
+ 0xE6, 0xE7, 0xE8, 0xE9, 0xE9, 0xEA, 0xEB, 0xEC,
0xED, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF1, 0xF2,
- 0xF3, 0xF4, 0xF5, 0xF6, 0xF6, 0xF7, 0xF8, 0xF9,
+ 0xF3, 0xF4, 0xF5, 0xF6, 0xF6, 0xF7, 0xF8, 0xF9,
0xFA, 0xFA, 0xFB, 0xFC, 0xFD, 0xFD, 0xFD, 0xFD
};
if (p->buf_size < 12)
return 0;
- if ((LE_32(&p->buf[0]) != FORM_TAG) ||
- (LE_32(&p->buf[8]) != MOVE_TAG))
+ if ((AV_RL32(&p->buf[0]) != FORM_TAG) ||
+ (AV_RL32(&p->buf[8]) != MOVE_TAG))
return 0;
return AVPROBE_SCORE_MAX;
/* traverse through the chunks and load the header information before
* the first BRCH tag */
- if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
+ if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
WC3_PREAMBLE_SIZE)
return AVERROR_IO;
- fourcc_tag = LE_32(&preamble[0]);
- size = (BE_32(&preamble[4]) + 1) & (~1);
+ fourcc_tag = AV_RL32(&preamble[0]);
+ size = (AV_RB32(&preamble[4]) + 1) & (~1);
do {
switch (fourcc_tag) {
url_fseek(pb, 8, SEEK_CUR);
if ((ret = get_buffer(pb, preamble, 4)) != 4)
return AVERROR_IO;
- wc3->palette_count = LE_32(&preamble[0]);
+ wc3->palette_count = AV_RL32(&preamble[0]);
if((unsigned)wc3->palette_count >= UINT_MAX / PALETTE_SIZE){
wc3->palette_count= 0;
return -1;
case SIZE_TAG:
/* video resolution override */
- if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
+ if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
WC3_PREAMBLE_SIZE)
return AVERROR_IO;
- wc3->width = LE_32(&preamble[0]);
- wc3->height = LE_32(&preamble[4]);
+ wc3->width = AV_RL32(&preamble[0]);
+ wc3->height = AV_RL32(&preamble[4]);
break;
case PALT_TAG:
/* one of several palettes */
if ((unsigned)current_palette >= wc3->palette_count)
return AVERROR_INVALIDDATA;
- if ((ret = get_buffer(pb,
- &wc3->palettes[current_palette * PALETTE_SIZE],
+ if ((ret = get_buffer(pb,
+ &wc3->palettes[current_palette * PALETTE_SIZE],
PALETTE_SIZE)) != PALETTE_SIZE)
return AVERROR_IO;
i < (current_palette + 1) * PALETTE_SIZE; i++) {
/* rotate each palette component left by 2 and use the result
* as an index into the color component table */
- rotate = ((wc3->palettes[i] << 2) & 0xFF) |
+ rotate = ((wc3->palettes[i] << 2) & 0xFF) |
((wc3->palettes[i] >> 6) & 0xFF);
wc3->palettes[i] = wc3_pal_lookup[rotate];
}
break;
}
- if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
+ if ((ret = get_buffer(pb, preamble, WC3_PREAMBLE_SIZE)) !=
WC3_PREAMBLE_SIZE)
return AVERROR_IO;
- fourcc_tag = LE_32(&preamble[0]);
+ fourcc_tag = AV_RL32(&preamble[0]);
/* chunk sizes are 16-bit aligned */
- size = (BE_32(&preamble[4]) + 1) & (~1);
+ size = (AV_RB32(&preamble[4]) + 1) & (~1);
} while (fourcc_tag != BRCH_TAG);
WC3_PREAMBLE_SIZE)
ret = AVERROR_IO;
- fourcc_tag = LE_32(&preamble[0]);
+ fourcc_tag = AV_RL32(&preamble[0]);
/* chunk sizes are 16-bit aligned */
- size = (BE_32(&preamble[4]) + 1) & (~1);
+ size = (AV_RB32(&preamble[4]) + 1) & (~1);
switch (fourcc_tag) {
/* load up new palette */
if ((ret = get_buffer(pb, preamble, 4)) != 4)
return AVERROR_IO;
- palette_number = LE_32(&preamble[0]);
+ palette_number = AV_RL32(&preamble[0]);
if (palette_number >= wc3->palette_count)
return AVERROR_INVALIDDATA;
base_palette_index = palette_number * PALETTE_COUNT * 3;
break;
default:
- av_log (s, AV_LOG_ERROR, " unrecognized WC3 chunk: %c%c%c%c (0x%02X%02X%02X%02X)\n",
+ av_log (s, AV_LOG_ERROR, " unrecognized WC3 chunk: %c%c%c%c (0x%02X%02X%02X%02X)\n",
preamble[0], preamble[1], preamble[2], preamble[3],
preamble[0], preamble[1], preamble[2], preamble[3]);
ret = AVERROR_INVALIDDATA;
return 0;
}
-static AVInputFormat wc3_iformat = {
+AVInputFormat wc3_demuxer = {
"wc3movie",
"Wing Commander III movie format",
sizeof(Wc3DemuxContext),
wc3_read_packet,
wc3_read_close,
};
-
-int wc3_init(void)
-{
- av_register_input_format(&wc3_iformat);
- return 0;
-}
projects / ffmpeg / blobdiff