132 lines
2.9 KiB
C++
132 lines
2.9 KiB
C++
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#include "casmfileinfo.h"
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namespace
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{
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//==============================================================================
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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#define SKIP_BLANKS(s) \
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{ \
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while (*s && (*s == ' ' || *s == '\t') && *s != 10 && *s != 13) \
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s++; \
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}
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#define GET_WORD(s, p) \
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{ \
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while (*s && *s != ' ' && *s != '\t' && *s != 10 && *s != 13) \
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*(p++) = *(s++); \
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*p = '\0'; \
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}
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#define SKIP_WORD(s) \
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{ \
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while (*s && *s != ' ' && *s != '\t' && *s != 10 && *s != 13) \
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s++; \
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}
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/*------------------------------------------------------------------------*/
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#ifdef WIN32
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#include <stdlib.h>
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#define TOONZMAXPATHLEN _MAX_PATH
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#else
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#include <sys/param.h>
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#define TOONZMAXPATHLEN MAXPATHLEN
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#endif
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/*------------------------------------------------------------------------*/
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int get_frame_number(char *s)
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{
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int j, i = 0;
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while (s[i] && (s[i] < '0' || s[i] > '9'))
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i++;
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if (!s[i])
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return 0;
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j = i;
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while (s[i] && (s[i] >= '0' && s[i] <= '9'))
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i++;
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s[i] = '\0';
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return (atoi(s + j));
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}
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//==============================================================================
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int compute_casm_range(const char *filename, int &start, int &end, bool &interlaced)
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{
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FILE *fp;
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bool first_flag = true;
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int cnt, frame = 1;
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char buffer[TOONZMAXPATHLEN], *s;
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start = 0;
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end = 0;
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interlaced = false;
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if (filename)
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fp = fopen(filename, "r");
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else
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fp = fdopen(0, "r");
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if (!fp)
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return 0;
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cnt = 0;
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while (fgets(buffer, TOONZMAXPATHLEN, fp)) {
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s = buffer;
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SKIP_BLANKS(s)
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if (strncmp(s, "FRAME", 5) == 0) {
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frame = get_frame_number(s);
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if (first_flag) {
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start = frame;
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first_flag = false;
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}
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cnt++;
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} else if (strncmp(s, "FIELD", 5) == 0)
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interlaced = true;
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}
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if (!first_flag)
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end = frame;
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else {
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start = 0;
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end = 0;
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}
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if (fp != stdin)
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fclose(fp);
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if (interlaced) {
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start = ((start) + 1) / 2;
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end = ((end) + 1) / 2;
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}
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return cnt;
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}
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}
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//==============================================================================
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CasmFileInfo::CasmFileInfo(const TFilePath &fp)
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: m_fp(fp)
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{
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}
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//------------------------------------------------------------------------------
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void CasmFileInfo::getFrameRange(int &startFrame, int &endFrame, bool &interlaced)
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{
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int rc = compute_casm_range(
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toString(m_fp.getWideString()).c_str(),
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startFrame, endFrame, interlaced);
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}
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