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Added avi metadata encoding code for libgwavi driver (old Qt GUI avi backend).

This commit is contained in:
mjbudd77 2021-10-04 22:38:15 -04:00
parent 6f0f4177f2
commit 4352fd8da0
1 changed files with 52 additions and 1 deletions
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53
src/drivers/Qt/avi/gwavi.cpp
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@ -133,6 +133,7 @@ gwavi_t::open(const char *filename, unsigned int width, unsigned int height,
(void)fprintf(stderr, "WARNING: given fourcc does not seem to "
"be valid: %s\n", fourcc);
}
avi_info.add_pair("ISFT", "fceux libgwavi");
if (fps < 1)
{
@ -275,6 +276,56 @@ gwavi_t::open(const char *filename, unsigned int width, unsigned int height,
return -1;
}
if ( avi_info.kvmap.size() > 0 )
{
long long t, infoMarker;
if (write_chars_bin(out, "LIST", 4) == -1)
goto write_chars_bin_failed;
if ((infoMarker = ftell(out)) == -1) {
perror("gwavi_info (ftell)");
return -1;
}
if (write_int(out, 0) == -1) {
(void)fprintf(stderr, "gwavi_info: write_int() failed\n");
return -1;
}
if (write_chars_bin(out, "INFO", 4) == -1)
goto write_chars_bin_failed;
for ( auto it = avi_info.kvmap.begin(); it != avi_info.kvmap.end(); it++)
{
if (write_chars_bin(out, it->first.c_str(), 4) == -1)
goto write_chars_bin_failed;
if (write_int(out, it->second.size()+1) == -1) {
(void)fprintf(stderr, "gwavi_info: write_int() failed\n");
return -1;
}
if (write_chars_bin(out, it->second.c_str(), it->second.size()) == -1)
goto write_chars_bin_failed;
write_byte(out, 0);
if ( (it->second.size()+1) % WORD_SIZE )
{
write_byte(out, 0);
}
}
if ((t = ftell(out)) == -1)
goto write_chars_bin_failed;
if (fseek(out, infoMarker, SEEK_SET) == -1)
goto write_chars_bin_failed;
if (write_int(out, (unsigned int)(t - infoMarker - 4)) == -1)
goto write_chars_bin_failed;
if (fseek(out, t, SEEK_SET) == -1)
goto write_chars_bin_failed;
}
if (write_chars_bin(out, "LIST", 4) == -1)
goto write_chars_bin_failed;
if ((marker = ftell(out)) == -1) {
@ -865,7 +916,7 @@ unsigned int gwavi_t::readList(int lvl)
unsigned int gwavi_t::readChunk(const char *id, int lvl)
{
unsigned int r, ret, size, chunkSize, bytesRead=0;
unsigned short dataWord;
//unsigned short dataWord;
char indent[256];
long long int fpos;