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-rw-r--r--src/mot-encoder.cpp63
1 files changed, 35 insertions, 28 deletions
diff --git a/src/mot-encoder.cpp b/src/mot-encoder.cpp
index a8efbaf..ce61e9f 100644
--- a/src/mot-encoder.cpp
+++ b/src/mot-encoder.cpp
@@ -230,9 +230,9 @@ void createMscDG(MSCDG* msc, unsigned short int dgtype, int *cindex, unsigned sh
unsigned short int datalen);
struct DATA_GROUP;
-DATA_GROUP packMscDG(MSCDG* msc);
+DATA_GROUP* packMscDG(MSCDG* msc);
void writeMotPAD(int output_fd,
- DATA_GROUP &mscdg,
+ DATA_GROUP* mscdg,
unsigned short int padlen);
void create_dls_pads(const std::string& text, int padlen, uint8_t charset);
@@ -606,16 +606,16 @@ int main(int argc, char *argv[])
}
-DATA_GROUP createDataGroupLengthIndicator(size_t len) {
- DATA_GROUP dg(2, 1, -1); // continuation never used
- uint8_vector_t &data = dg.data;
+DATA_GROUP* createDataGroupLengthIndicator(size_t len) {
+ DATA_GROUP* dg = new DATA_GROUP(2, 1, -1); // continuation never used
+ uint8_vector_t &data = dg->data;
// Data Group length
data[0] = (len & 0x3F00) >> 8;
data[1] = (len & 0x00FF);
// CRC
- dg.AppendCRC();
+ dg->AppendCRC();
return dg;
}
@@ -697,6 +697,7 @@ int encodeFile(int output_fd, std::string& fname, int fidx, int padlen, bool raw
unsigned char *blob = NULL;
unsigned char *curseg = NULL;
MSCDG msc;
+ DATA_GROUP* mscdg;
size_t orig_quality;
char* orig_format = NULL;
@@ -864,8 +865,9 @@ int encodeFile(int output_fd, std::string& fname, int fidx, int padlen, bool raw
// Create the MSC Data Group C-Structure
createMscDG(&msc, 3, &cindex_header, 0, 1, fidx, mothdr, mothdrlen);
// Generate the MSC DG frame (Figure 9 en 300 401)
- DATA_GROUP mscdg = packMscDG(&msc);
+ mscdg = packMscDG(&msc);
writeMotPAD(output_fd, mscdg, padlen);
+ delete mscdg;
for (i = 0; i < nseg; i++) {
curseg = blob + i * MAXSEGLEN;
@@ -881,6 +883,7 @@ int encodeFile(int output_fd, std::string& fname, int fidx, int padlen, bool raw
createMscDG(&msc, 4, &cindex_body, i, last, fidx, curseg, curseglen);
mscdg = packMscDG(&msc);
writeMotPAD(output_fd, mscdg, padlen);
+ delete mscdg;
}
ret = 1;
@@ -966,10 +969,10 @@ void createMscDG(MSCDG* msc, unsigned short int dgtype,
}
-DATA_GROUP packMscDG(MSCDG* msc)
+DATA_GROUP* packMscDG(MSCDG* msc)
{
- DATA_GROUP dg(9 + msc->seglen, 12, 13);
- uint8_vector_t &b = dg.data;
+ DATA_GROUP* dg = new DATA_GROUP(9 + msc->seglen, 12, 13);
+ uint8_vector_t &b = dg->data;
// headers
b[0] = (msc->extflag<<7) | (msc->crcflag<<6) | (msc->segflag<<5) |
@@ -989,7 +992,7 @@ DATA_GROUP packMscDG(MSCDG* msc)
memcpy(&b[9], msc->segdata, msc->seglen);
// CRC
- dg.AppendCRC();
+ dg->AppendCRC();
return dg;
}
@@ -1066,7 +1069,7 @@ int dls_count(const std::string& text) {
}
-DATA_GROUP dls_get(const std::string& text, uint8_t charset, unsigned int seg_index) {
+DATA_GROUP* dls_get(const std::string& text, uint8_t charset, unsigned int seg_index) {
bool first_seg = seg_index == 0;
bool last_seg = seg_index == dls_count(text) - 1;
@@ -1074,8 +1077,8 @@ DATA_GROUP dls_get(const std::string& text, uint8_t charset, unsigned int seg_in
const char *seg_text_start = text.c_str() + seg_text_offset;
size_t seg_text_len = MIN(text.size() - seg_text_offset, DLS_SEG_LEN_CHAR_MAX);
- DATA_GROUP dg(DLS_SEG_LEN_PREFIX + seg_text_len, 2, 3);
- uint8_vector_t &seg_data = dg.data;
+ DATA_GROUP* dg = new DATA_GROUP(DLS_SEG_LEN_PREFIX + seg_text_len, 2, 3);
+ uint8_vector_t &seg_data = dg->data;
// prefix: toggle? + first seg? + last seg? + (seg len - 1)
seg_data[0] =
@@ -1091,7 +1094,7 @@ DATA_GROUP dls_get(const std::string& text, uint8_t charset, unsigned int seg_in
memcpy(&seg_data[DLS_SEG_LEN_PREFIX], seg_text_start, seg_text_len);
// CRC
- dg.AppendCRC();
+ dg->AppendCRC();
#if DEBUG
fprintf(stderr, "DL segment:");
@@ -1115,13 +1118,13 @@ void create_dls_pads(const std::string& text, int padlen, uint8_t charset) {
#if DEBUG
fprintf(stderr, "Segment number %d\n", seg_index + 1);
#endif
- DATA_GROUP seg = dls_get(text, charset, seg_index);
+ DATA_GROUP* seg = dls_get(text, charset, seg_index);
bool ci_needed = true; // CI needed only at first data group
int dg_len;
int used_xpad_len;
// distribute the segment over one or more PADs
- while (seg.Available()) {
+ while (seg->Available()) {
dls_pads.push_back(pad_t(padlen + 1));
pad_t &pad = dls_pads.back();
int pad_off = padlen - 1;
@@ -1136,7 +1139,7 @@ void create_dls_pads(const std::string& text, int padlen, uint8_t charset) {
} else {
dg_len = used_xpad_len;
}
- int dg_used = MIN(dg_len, seg.Available());
+ int dg_used = MIN(dg_len, seg->Available());
// F-PAD Byte L (CI if needed)
@@ -1147,14 +1150,14 @@ void create_dls_pads(const std::string& text, int padlen, uint8_t charset) {
// CI (app type 2 = DLS, start of X-PAD data group)
if (ci_needed)
- pad[pad_off--] = ((var_size_pad ? xpadlengthmask : 0) << 5) | seg.apptype_start;
+ pad[pad_off--] = ((var_size_pad ? xpadlengthmask : 0) << 5) | seg->apptype_start;
// CI end marker
if (ci_needed && var_size_pad)
pad[pad_off--] = 0x00;
// segment (part)
- seg.WriteReversed(&pad[pad_off], dg_used);
+ seg->WriteReversed(&pad[pad_off], dg_used);
pad_off -= dg_used;
// NULL PADDING
@@ -1173,6 +1176,8 @@ void create_dls_pads(const std::string& text, int padlen, uint8_t charset) {
if (ci_needed)
ci_needed = false;
}
+
+ delete seg;
}
#if DEBUG
fprintf(stderr, "PAD length: %d\n", padlen);
@@ -1184,7 +1189,7 @@ void create_dls_pads(const std::string& text, int padlen, uint8_t charset) {
void writeMotPAD(int output_fd,
- DATA_GROUP &mscdg,
+ DATA_GROUP* mscdg,
unsigned short int padlen)
{
@@ -1196,7 +1201,7 @@ void writeMotPAD(int output_fd,
// Write MSC Data Groups
int curseglen, used_xpad_len;
- while (mscdg.Available()) {
+ while (mscdg->Available()) {
#if DEBUG
fprintf(stderr,"Segment offset %d\n",i);
#endif
@@ -1211,7 +1216,7 @@ void writeMotPAD(int output_fd,
curseglen = used_xpad_len;
}
- curseglen = MIN(curseglen, mscdg.Available());
+ curseglen = MIN(curseglen, mscdg->Available());
if (firstseg) {
// FF-PAD Byte L (CI=1)
@@ -1221,16 +1226,18 @@ void writeMotPAD(int output_fd,
pad[padlen-2] = 0x20;
// Write Data Group Length Indicator
- DATA_GROUP dgli = createDataGroupLengthIndicator(mscdg.data.size());
+ DATA_GROUP* dgli = createDataGroupLengthIndicator(mscdg->data.size());
// CI for data group length indicator: data length=4, Application Type=1
- pad[padlen-3]=(0<<5) | dgli.apptype_start;
+ pad[padlen-3]=(0<<5) | dgli->apptype_start;
// CI for MOT, start of X-PAD data group: Application Type=12
- pad[padlen-4]=(xpadlengthmask<<5) | mscdg.apptype_start;
+ pad[padlen-4]=(xpadlengthmask<<5) | mscdg->apptype_start;
// End of CI list
pad[padlen-5]=0x00;
- dgli.WriteReversed(&pad[padlen-6], 4);
+ dgli->WriteReversed(&pad[padlen-6], 4);
+ delete dgli;
+
k=10;
}
else {
@@ -1242,7 +1249,7 @@ void writeMotPAD(int output_fd,
k=3;
}
- mscdg.WriteReversed(&pad[padlen-k], curseglen);
+ mscdg->WriteReversed(&pad[padlen-k], curseglen);
memset(pad, 0x00, padlen-k-curseglen + 1);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 01:59:42 +0000