summaryrefslogtreecommitdiff
path: root/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_jpx_opj.cpp')
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpx_opj.cpp1552
1 files changed, 799 insertions, 753 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
index 2d395b0b4b..e1b9d255de 100644
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -12,795 +12,841 @@
#include "../../../include/fxcodec/fx_codec.h"
#include "codec_int.h"
-static void fx_error_callback(const char *msg, void *client_data)
-{
- (void)client_data;
+static void fx_error_callback(const char* msg, void* client_data) {
+ (void)client_data;
}
-static void fx_warning_callback(const char *msg, void *client_data)
-{
- (void)client_data;
+static void fx_warning_callback(const char* msg, void* client_data) {
+ (void)client_data;
}
-static void fx_info_callback(const char *msg, void *client_data)
-{
- (void)client_data;
+static void fx_info_callback(const char* msg, void* client_data) {
+ (void)client_data;
}
-OPJ_SIZE_T opj_read_from_memory(void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data)
-{
- DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
- if (!srcData || !srcData->src_data || srcData->src_size == 0) {
- return -1;
- }
- // Reads at EOF return an error code.
- if (srcData->offset >= srcData->src_size) {
- return -1;
- }
- OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
- OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
- memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength);
- srcData->offset += readlength;
- return readlength;
+OPJ_SIZE_T opj_read_from_memory(void* p_buffer,
+ OPJ_SIZE_T nb_bytes,
+ void* p_user_data) {
+ DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
+ if (!srcData || !srcData->src_data || srcData->src_size == 0) {
+ return -1;
+ }
+ // Reads at EOF return an error code.
+ if (srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
+ OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
+ memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength);
+ srcData->offset += readlength;
+ return readlength;
}
-OPJ_SIZE_T opj_write_from_memory(void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data)
-{
- DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
- if (!srcData || !srcData->src_data || srcData->src_size == 0) {
- return -1;
- }
- // Writes at EOF return an error code.
- if (srcData->offset >= srcData->src_size) {
- return -1;
- }
- OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
- OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
- memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength);
- srcData->offset += writeLength;
- return writeLength;
+OPJ_SIZE_T opj_write_from_memory(void* p_buffer,
+ OPJ_SIZE_T nb_bytes,
+ void* p_user_data) {
+ DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
+ if (!srcData || !srcData->src_data || srcData->src_size == 0) {
+ return -1;
+ }
+ // Writes at EOF return an error code.
+ if (srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
+ OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
+ memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength);
+ srcData->offset += writeLength;
+ return writeLength;
}
-OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data)
-{
- DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
- if (!srcData || !srcData->src_data || srcData->src_size == 0) {
- return -1;
- }
- // Offsets are signed and may indicate a negative skip. Do not support this
- // because of the strange return convention where either bytes skipped or
- // -1 is returned. Following that convention, a successful relative seek of
- // -1 bytes would be required to to give the same result as the error case.
- if (nb_bytes < 0) {
- return -1;
- }
- // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
- uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
- // Additionally, the offset may take us beyond the range of a size_t (e.g.
- // 32-bit platforms). If so, just clamp at EOF.
- if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) {
- srcData->offset = srcData->src_size;
- } else {
- OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes);
- // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
- // clamping at EOF. We can get away with this since we don't actually
- // provide negative relative skips from beyond EOF back to inside the
- // data, which would be the only reason to need to know exactly how far
- // beyond EOF we are.
- srcData->offset = std::min(srcData->offset + checkedNbBytes, srcData->src_size);
- }
- return nb_bytes;
+OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) {
+ DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
+ if (!srcData || !srcData->src_data || srcData->src_size == 0) {
+ return -1;
+ }
+ // Offsets are signed and may indicate a negative skip. Do not support this
+ // because of the strange return convention where either bytes skipped or
+ // -1 is returned. Following that convention, a successful relative seek of
+ // -1 bytes would be required to to give the same result as the error case.
+ if (nb_bytes < 0) {
+ return -1;
+ }
+ // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
+ uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
+ // Additionally, the offset may take us beyond the range of a size_t (e.g.
+ // 32-bit platforms). If so, just clamp at EOF.
+ if (unsignedNbBytes >
+ std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) {
+ srcData->offset = srcData->src_size;
+ } else {
+ OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes);
+ // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
+ // clamping at EOF. We can get away with this since we don't actually
+ // provide negative relative skips from beyond EOF back to inside the
+ // data, which would be the only reason to need to know exactly how far
+ // beyond EOF we are.
+ srcData->offset =
+ std::min(srcData->offset + checkedNbBytes, srcData->src_size);
+ }
+ return nb_bytes;
}
-OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data)
-{
- DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
- if (!srcData || !srcData->src_data || srcData->src_size == 0) {
- return OPJ_FALSE;
- }
- // Offsets are signed and may indicate a negative position, which would
- // be before the start of the file. Do not support this.
- if (nb_bytes < 0) {
- return OPJ_FALSE;
- }
- // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
- uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
- // Additionally, the offset may take us beyond the range of a size_t (e.g.
- // 32-bit platforms). If so, just clamp at EOF.
- if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) {
- srcData->offset = srcData->src_size;
- } else {
- OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes);
- // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
- // again clamping at EOF.
- srcData->offset = std::min(checkedNbBytes, srcData->src_size);
- }
- return OPJ_TRUE;
+OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) {
+ DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
+ if (!srcData || !srcData->src_data || srcData->src_size == 0) {
+ return OPJ_FALSE;
+ }
+ // Offsets are signed and may indicate a negative position, which would
+ // be before the start of the file. Do not support this.
+ if (nb_bytes < 0) {
+ return OPJ_FALSE;
+ }
+ // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
+ uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
+ // Additionally, the offset may take us beyond the range of a size_t (e.g.
+ // 32-bit platforms). If so, just clamp at EOF.
+ if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) {
+ srcData->offset = srcData->src_size;
+ } else {
+ OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes);
+ // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
+ // again clamping at EOF.
+ srcData->offset = std::min(checkedNbBytes, srcData->src_size);
+ }
+ return OPJ_TRUE;
}
-opj_stream_t* fx_opj_stream_create_memory_stream (DecodeData* data, OPJ_SIZE_T p_size, OPJ_BOOL p_is_read_stream)
-{
- opj_stream_t* l_stream = 00;
- if (!data || ! data->src_data || data->src_size <= 0 ) {
- return NULL;
- }
- l_stream = opj_stream_create(p_size, p_is_read_stream);
- if (! l_stream) {
- return NULL;
- }
- opj_stream_set_user_data(l_stream, data, NULL);
- opj_stream_set_user_data_length(l_stream, data->src_size);
- opj_stream_set_read_function(l_stream, opj_read_from_memory);
- opj_stream_set_write_function(l_stream, opj_write_from_memory);
- opj_stream_set_skip_function(l_stream, opj_skip_from_memory);
- opj_stream_set_seek_function(l_stream, opj_seek_from_memory);
- return l_stream;
+opj_stream_t* fx_opj_stream_create_memory_stream(DecodeData* data,
+ OPJ_SIZE_T p_size,
+ OPJ_BOOL p_is_read_stream) {
+ opj_stream_t* l_stream = 00;
+ if (!data || !data->src_data || data->src_size <= 0) {
+ return NULL;
+ }
+ l_stream = opj_stream_create(p_size, p_is_read_stream);
+ if (!l_stream) {
+ return NULL;
+ }
+ opj_stream_set_user_data(l_stream, data, NULL);
+ opj_stream_set_user_data_length(l_stream, data->src_size);
+ opj_stream_set_read_function(l_stream, opj_read_from_memory);
+ opj_stream_set_write_function(l_stream, opj_write_from_memory);
+ opj_stream_set_skip_function(l_stream, opj_skip_from_memory);
+ opj_stream_set_seek_function(l_stream, opj_seek_from_memory);
+ return l_stream;
}
-static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
- int *out_r, int *out_g, int *out_b)
-{
- int r, g, b;
- cb -= offset;
- cr -= offset;
- r = y + (int)(1.402 * (float)cr);
- if(r < 0) {
- r = 0;
- } else if(r > upb) {
- r = upb;
- } *out_r = r;
- g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
- if(g < 0) {
- g = 0;
- } else if(g > upb) {
- g = upb;
- } *out_g = g;
- b = y + (int)(1.772 * (float)cb);
- if(b < 0) {
- b = 0;
- } else if(b > upb) {
- b = upb;
- } *out_b = b;
+static void sycc_to_rgb(int offset,
+ int upb,
+ int y,
+ int cb,
+ int cr,
+ int* out_r,
+ int* out_g,
+ int* out_b) {
+ int r, g, b;
+ cb -= offset;
+ cr -= offset;
+ r = y + (int)(1.402 * (float)cr);
+ if (r < 0) {
+ r = 0;
+ } else if (r > upb) {
+ r = upb;
+ }
+ *out_r = r;
+ g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
+ if (g < 0) {
+ g = 0;
+ } else if (g > upb) {
+ g = upb;
+ }
+ *out_g = g;
+ b = y + (int)(1.772 * (float)cb);
+ if (b < 0) {
+ b = 0;
+ } else if (b > upb) {
+ b = upb;
+ }
+ *out_b = b;
}
-static void sycc444_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, i, offset, upb;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for(i = 0; i < max; ++i) {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++cb;
- ++cr;
- ++r;
- ++g;
- ++b;
- }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
+static void sycc444_to_rgb(opj_image_t* img) {
+ int *d0, *d1, *d2, *r, *g, *b;
+ const int *y, *cb, *cr;
+ int maxw, maxh, max, i, offset, upb;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for (i = 0; i < max; ++i) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++cb;
+ ++cr;
+ ++r;
+ ++g;
+ ++b;
+ }
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
}
-static void sycc422_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, offset, upb;
- int i, j;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for(i = 0; i < maxh; ++i)
- {
- for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b;
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b; ++cb; ++cr;
- }
- if (j < maxw)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b; ++cb; ++cr;
- }
- }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
- img->comps[1].w = maxw;
- img->comps[1].h = maxh;
- img->comps[2].w = maxw;
- img->comps[2].h = maxh;
- img->comps[1].w = (OPJ_UINT32)maxw;
- img->comps[1].h = (OPJ_UINT32)maxh;
- img->comps[2].w = (OPJ_UINT32)maxw;
- img->comps[2].h = (OPJ_UINT32)maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
+static void sycc422_to_rgb(opj_image_t* img) {
+ int *d0, *d1, *d2, *r, *g, *b;
+ const int *y, *cb, *cr;
+ int maxw, maxh, max, offset, upb;
+ int i, j;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for (i = 0; i < maxh; ++i) {
+ for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ ++cb;
+ ++cr;
+ }
+ if (j < maxw) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ ++cb;
+ ++cr;
+ }
+ }
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
+ img->comps[1].w = maxw;
+ img->comps[1].h = maxh;
+ img->comps[2].w = maxw;
+ img->comps[2].h = maxh;
+ img->comps[1].w = (OPJ_UINT32)maxw;
+ img->comps[1].h = (OPJ_UINT32)maxh;
+ img->comps[2].w = (OPJ_UINT32)maxw;
+ img->comps[2].h = (OPJ_UINT32)maxh;
+ img->comps[1].dx = img->comps[0].dx;
+ img->comps[2].dx = img->comps[0].dx;
+ img->comps[1].dy = img->comps[0].dy;
+ img->comps[2].dy = img->comps[0].dy;
}
-static void sycc420_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
- const int *y, *cb, *cr, *ny;
- int maxw, maxh, max, offset, upb;
- int i, j;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for (i = 0; (OPJ_UINT32)i < (maxh & ~(OPJ_UINT32)1); i += 2)
- {
- ny = y + maxw;
- nr = r + maxw;
- ng = g + maxw;
- nb = b + maxw;
- for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b;
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b;
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
- ++ny; ++nr; ++ng; ++nb;
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
- ++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
- }
- if (j < maxw)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b;
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
- ++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
- }
- y += maxw; r += maxw; g += maxw; b += maxw;
- }
- if (i < maxh)
- {
- for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b;
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y; ++r; ++g; ++b; ++cb; ++cr;
- }
- if (j < maxw)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- }
- }
+static void sycc420_to_rgb(opj_image_t* img) {
+ int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
+ const int *y, *cb, *cr, *ny;
+ int maxw, maxh, max, offset, upb;
+ int i, j;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for (i = 0; (OPJ_UINT32)i < (maxh & ~(OPJ_UINT32)1); i += 2) {
+ ny = y + maxw;
+ nr = r + maxw;
+ ng = g + maxw;
+ nb = b + maxw;
+ for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
+ ++ny;
+ ++nr;
+ ++ng;
+ ++nb;
+ sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
+ ++ny;
+ ++nr;
+ ++ng;
+ ++nb;
+ ++cb;
+ ++cr;
+ }
+ if (j < maxw) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
+ ++ny;
+ ++nr;
+ ++ng;
+ ++nb;
+ ++cb;
+ ++cr;
+ }
+ y += maxw;
+ r += maxw;
+ g += maxw;
+ b += maxw;
+ }
+ if (i < maxh) {
+ for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ ++cb;
+ ++cr;
+ }
+ if (j < maxw) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ }
+ }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
- img->comps[1].w = maxw;
- img->comps[1].h = maxh;
- img->comps[2].w = maxw;
- img->comps[2].h = maxh;
- img->comps[1].w = (OPJ_UINT32)maxw;
- img->comps[1].h = (OPJ_UINT32)maxh;
- img->comps[2].w = (OPJ_UINT32)maxw;
- img->comps[2].h = (OPJ_UINT32)maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
+ img->comps[1].w = maxw;
+ img->comps[1].h = maxh;
+ img->comps[2].w = maxw;
+ img->comps[2].h = maxh;
+ img->comps[1].w = (OPJ_UINT32)maxw;
+ img->comps[1].h = (OPJ_UINT32)maxh;
+ img->comps[2].w = (OPJ_UINT32)maxw;
+ img->comps[2].h = (OPJ_UINT32)maxh;
+ img->comps[1].dx = img->comps[0].dx;
+ img->comps[2].dx = img->comps[0].dx;
+ img->comps[1].dy = img->comps[0].dy;
+ img->comps[2].dy = img->comps[0].dy;
}
-void color_sycc_to_rgb(opj_image_t *img)
-{
- if(img->numcomps < 3) {
- img->color_space = OPJ_CLRSPC_GRAY;
- return;
- }
- if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 2)
- && (img->comps[2].dy == 2)) {
- sycc420_to_rgb(img);
- } else if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1)) {
- sycc422_to_rgb(img);
- } else if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 1)
- && (img->comps[2].dx == 1)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1)) {
- sycc444_to_rgb(img);
- } else {
- return;
- }
- img->color_space = OPJ_CLRSPC_SRGB;
+void color_sycc_to_rgb(opj_image_t* img) {
+ if (img->numcomps < 3) {
+ img->color_space = OPJ_CLRSPC_GRAY;
+ return;
+ }
+ if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) &&
+ (img->comps[2].dx == 2) && (img->comps[0].dy == 1) &&
+ (img->comps[1].dy == 2) && (img->comps[2].dy == 2)) {
+ sycc420_to_rgb(img);
+ } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) &&
+ (img->comps[2].dx == 2) && (img->comps[0].dy == 1) &&
+ (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) {
+ sycc422_to_rgb(img);
+ } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) &&
+ (img->comps[2].dx == 1) && (img->comps[0].dy == 1) &&
+ (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) {
+ sycc444_to_rgb(img);
+ } else {
+ return;
+ }
+ img->color_space = OPJ_CLRSPC_SRGB;
}
-void color_apply_icc_profile(opj_image_t *image)
-{
- cmsHPROFILE out_prof;
- cmsUInt32Number in_type;
- cmsUInt32Number out_type;
- int *r;
- int *g;
- int *b;
- int max;
- cmsHPROFILE in_prof =
- cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
- if(in_prof == NULL) {
- return;
- }
- cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof);
- cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof);
- int max_w = (int)image->comps[0].w;
- int max_h = (int)image->comps[0].h;
- int prec = (int)image->comps[0].prec;
- OPJ_COLOR_SPACE oldspace = image->color_space;
- if(out_space == cmsSigRgbData) {
- if( prec <= 8 ) {
- in_type = TYPE_RGB_8;
- out_type = TYPE_RGB_8;
- } else {
- in_type = TYPE_RGB_16;
- out_type = TYPE_RGB_16;
- }
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
- } else if(out_space == cmsSigGrayData) {
- if( prec <= 8 ) {
- in_type = TYPE_GRAY_8;
- out_type = TYPE_RGB_8;
- } else {
- in_type = TYPE_GRAY_16;
- out_type = TYPE_RGB_16;
- }
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
- } else if(out_space == cmsSigYCbCrData) {
- in_type = TYPE_YCbCr_16;
- out_type = TYPE_RGB_16;
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
+void color_apply_icc_profile(opj_image_t* image) {
+ cmsHPROFILE out_prof;
+ cmsUInt32Number in_type;
+ cmsUInt32Number out_type;
+ int* r;
+ int* g;
+ int* b;
+ int max;
+ cmsHPROFILE in_prof =
+ cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
+ if (in_prof == NULL) {
+ return;
+ }
+ cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof);
+ cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof);
+ int max_w = (int)image->comps[0].w;
+ int max_h = (int)image->comps[0].h;
+ int prec = (int)image->comps[0].prec;
+ OPJ_COLOR_SPACE oldspace = image->color_space;
+ if (out_space == cmsSigRgbData) {
+ if (prec <= 8) {
+ in_type = TYPE_RGB_8;
+ out_type = TYPE_RGB_8;
} else {
- return;
- }
- cmsHTRANSFORM transform =
- cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0);
- cmsCloseProfile(in_prof);
- cmsCloseProfile(out_prof);
- if(transform == NULL) {
- image->color_space = oldspace;
- return;
- }
- if(image->numcomps > 2) {
- if( prec <= 8 ) {
- unsigned char *inbuf, *outbuf, *in, *out;
- max = max_w * max_h;
- cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char);
- in = inbuf = FX_Alloc(unsigned char, nr_samples);
- out = outbuf = FX_Alloc(unsigned char, nr_samples);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(int i = 0; i < max; ++i) {
- *in++ = (unsigned char) * r++;
- *in++ = (unsigned char) * g++;
- *in++ = (unsigned char) * b++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(int i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- } else {
- unsigned short *inbuf, *outbuf, *in, *out;
- max = max_w * max_h;
- cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short);
- in = inbuf = FX_Alloc(unsigned short, nr_samples);
- out = outbuf = FX_Alloc(unsigned short, nr_samples);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(int i = 0; i < max; ++i) {
- *in++ = (unsigned short) * r++;
- *in++ = (unsigned short) * g++;
- *in++ = (unsigned short) * b++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(int i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- }
+ in_type = TYPE_RGB_16;
+ out_type = TYPE_RGB_16;
+ }
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else if (out_space == cmsSigGrayData) {
+ if (prec <= 8) {
+ in_type = TYPE_GRAY_8;
+ out_type = TYPE_RGB_8;
} else {
- unsigned char *in, *inbuf, *out, *outbuf;
- max = max_w * max_h;
- cmsUInt32Number nr_samples =
- (cmsUInt32Number)max * 3 * sizeof(unsigned char);
- in = inbuf = FX_Alloc(unsigned char, nr_samples);
- out = outbuf = FX_Alloc(unsigned char, nr_samples);
- image->comps = (opj_image_comp_t*)
- realloc(image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t));
- if(image->numcomps == 2) {
- image->comps[3] = image->comps[1];
- }
- image->comps[1] = image->comps[0];
- image->comps[2] = image->comps[0];
- image->comps[1].data = FX_Alloc(int, (size_t)max);
- FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max);
- image->comps[2].data = FX_Alloc(int, (size_t)max);
- FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max);
- image->numcomps += 2;
- r = image->comps[0].data;
- for(int i = 0; i < max; ++i) {
- *in++ = (unsigned char) * r++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(int i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- }
- cmsDeleteTransform(transform);
+ in_type = TYPE_GRAY_16;
+ out_type = TYPE_RGB_16;
+ }
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else if (out_space == cmsSigYCbCrData) {
+ in_type = TYPE_YCbCr_16;
+ out_type = TYPE_RGB_16;
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else {
+ return;
+ }
+ cmsHTRANSFORM transform =
+ cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0);
+ cmsCloseProfile(in_prof);
+ cmsCloseProfile(out_prof);
+ if (transform == NULL) {
+ image->color_space = oldspace;
+ return;
+ }
+ if (image->numcomps > 2) {
+ if (prec <= 8) {
+ unsigned char *inbuf, *outbuf, *in, *out;
+ max = max_w * max_h;
+ cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char);
+ in = inbuf = FX_Alloc(unsigned char, nr_samples);
+ out = outbuf = FX_Alloc(unsigned char, nr_samples);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for (int i = 0; i < max; ++i) {
+ *in++ = (unsigned char)*r++;
+ *in++ = (unsigned char)*g++;
+ *in++ = (unsigned char)*b++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for (int i = 0; i < max; ++i) {
+ *r++ = (int)*out++;
+ *g++ = (int)*out++;
+ *b++ = (int)*out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ } else {
+ unsigned short *inbuf, *outbuf, *in, *out;
+ max = max_w * max_h;
+ cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short);
+ in = inbuf = FX_Alloc(unsigned short, nr_samples);
+ out = outbuf = FX_Alloc(unsigned short, nr_samples);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for (int i = 0; i < max; ++i) {
+ *in++ = (unsigned short)*r++;
+ *in++ = (unsigned short)*g++;
+ *in++ = (unsigned short)*b++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for (int i = 0; i < max; ++i) {
+ *r++ = (int)*out++;
+ *g++ = (int)*out++;
+ *b++ = (int)*out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ }
+ } else {
+ unsigned char *in, *inbuf, *out, *outbuf;
+ max = max_w * max_h;
+ cmsUInt32Number nr_samples =
+ (cmsUInt32Number)max * 3 * sizeof(unsigned char);
+ in = inbuf = FX_Alloc(unsigned char, nr_samples);
+ out = outbuf = FX_Alloc(unsigned char, nr_samples);
+ image->comps = (opj_image_comp_t*)realloc(
+ image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t));
+ if (image->numcomps == 2) {
+ image->comps[3] = image->comps[1];
+ }
+ image->comps[1] = image->comps[0];
+ image->comps[2] = image->comps[0];
+ image->comps[1].data = FX_Alloc(int, (size_t)max);
+ FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max);
+ image->comps[2].data = FX_Alloc(int, (size_t)max);
+ FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max);
+ image->numcomps += 2;
+ r = image->comps[0].data;
+ for (int i = 0; i < max; ++i) {
+ *in++ = (unsigned char)*r++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for (int i = 0; i < max; ++i) {
+ *r++ = (int)*out++;
+ *g++ = (int)*out++;
+ *b++ = (int)*out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ }
+ cmsDeleteTransform(transform);
}
-void color_apply_conversion(opj_image_t *image)
-{
- int *row;
- int enumcs, numcomps;
- numcomps = image->numcomps;
- if(numcomps < 3) {
- return;
- }
- row = (int*)image->icc_profile_buf;
- enumcs = row[0];
- if(enumcs == 14) {
- int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2;
- double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
- double minL, maxL, mina, maxa, minb, maxb;
- unsigned int default_type;
- unsigned int i, max;
- cmsHPROFILE in, out;
- cmsHTRANSFORM transform;
- cmsUInt16Number RGB[3];
- cmsCIELab Lab;
- in = cmsCreateLab4Profile(NULL);
- out = cmsCreate_sRGBProfile();
- transform =
- cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
- INTENT_PERCEPTUAL, 0);
- cmsCloseProfile(in);
- cmsCloseProfile(out);
- if(transform == NULL) {
- return;
- }
- prec0 = (double)image->comps[0].prec;
- prec1 = (double)image->comps[1].prec;
- prec2 = (double)image->comps[2].prec;
- default_type = row[1];
- if(default_type == 0x44454600) {
- rl = 100;
- ra = 170;
- rb = 200;
- ol = 0;
- oa = pow(2, prec1 - 1);
- ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
- } else {
- rl = row[2];
- ra = row[4];
- rb = row[6];
- ol = row[3];
- oa = row[5];
- ob = row[7];
- }
- L = src0 = image->comps[0].data;
- a = src1 = image->comps[1].data;
- b = src2 = image->comps[2].data;
- max = image->comps[0].w * image->comps[0].h;
- red = FX_Alloc(int, max);
- image->comps[0].data = red;
- green = FX_Alloc(int, max);
- image->comps[1].data = green;
- blue = FX_Alloc(int, max);
- image->comps[2].data = blue;
- minL = -(rl * ol) / (pow(2, prec0) - 1);
- maxL = minL + rl;
- mina = -(ra * oa) / (pow(2, prec1) - 1);
- maxa = mina + ra;
- minb = -(rb * ob) / (pow(2, prec2) - 1);
- maxb = minb + rb;
- for(i = 0; i < max; ++i) {
- Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
- ++L;
- Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
- ++a;
- Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
- ++b;
- cmsDoTransform(transform, &Lab, RGB, 1);
- *red++ = RGB[0];
- *green++ = RGB[1];
- *blue++ = RGB[2];
- }
- cmsDeleteTransform(transform);
- FX_Free(src0);
- FX_Free(src1);
- FX_Free(src2);
- image->color_space = OPJ_CLRSPC_SRGB;
- image->comps[0].prec = 16;
- image->comps[1].prec = 16;
- image->comps[2].prec = 16;
- return;
+void color_apply_conversion(opj_image_t* image) {
+ int* row;
+ int enumcs, numcomps;
+ numcomps = image->numcomps;
+ if (numcomps < 3) {
+ return;
+ }
+ row = (int*)image->icc_profile_buf;
+ enumcs = row[0];
+ if (enumcs == 14) {
+ int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2;
+ double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
+ double minL, maxL, mina, maxa, minb, maxb;
+ unsigned int default_type;
+ unsigned int i, max;
+ cmsHPROFILE in, out;
+ cmsHTRANSFORM transform;
+ cmsUInt16Number RGB[3];
+ cmsCIELab Lab;
+ in = cmsCreateLab4Profile(NULL);
+ out = cmsCreate_sRGBProfile();
+ transform = cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
+ INTENT_PERCEPTUAL, 0);
+ cmsCloseProfile(in);
+ cmsCloseProfile(out);
+ if (transform == NULL) {
+ return;
+ }
+ prec0 = (double)image->comps[0].prec;
+ prec1 = (double)image->comps[1].prec;
+ prec2 = (double)image->comps[2].prec;
+ default_type = row[1];
+ if (default_type == 0x44454600) {
+ rl = 100;
+ ra = 170;
+ rb = 200;
+ ol = 0;
+ oa = pow(2, prec1 - 1);
+ ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
+ } else {
+ rl = row[2];
+ ra = row[4];
+ rb = row[6];
+ ol = row[3];
+ oa = row[5];
+ ob = row[7];
+ }
+ L = src0 = image->comps[0].data;
+ a = src1 = image->comps[1].data;
+ b = src2 = image->comps[2].data;
+ max = image->comps[0].w * image->comps[0].h;
+ red = FX_Alloc(int, max);
+ image->comps[0].data = red;
+ green = FX_Alloc(int, max);
+ image->comps[1].data = green;
+ blue = FX_Alloc(int, max);
+ image->comps[2].data = blue;
+ minL = -(rl * ol) / (pow(2, prec0) - 1);
+ maxL = minL + rl;
+ mina = -(ra * oa) / (pow(2, prec1) - 1);
+ maxa = mina + ra;
+ minb = -(rb * ob) / (pow(2, prec2) - 1);
+ maxb = minb + rb;
+ for (i = 0; i < max; ++i) {
+ Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
+ ++L;
+ Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
+ ++a;
+ Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
+ ++b;
+ cmsDoTransform(transform, &Lab, RGB, 1);
+ *red++ = RGB[0];
+ *green++ = RGB[1];
+ *blue++ = RGB[2];
}
+ cmsDeleteTransform(transform);
+ FX_Free(src0);
+ FX_Free(src1);
+ FX_Free(src2);
+ image->color_space = OPJ_CLRSPC_SRGB;
+ image->comps[0].prec = 16;
+ image->comps[1].prec = 16;
+ image->comps[2].prec = 16;
+ return;
+ }
}
-class CJPX_Decoder
-{
-public:
- CJPX_Decoder();
- ~CJPX_Decoder();
- FX_BOOL Init(const unsigned char* src_data, int src_size);
- void GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps);
- FX_BOOL Decode(uint8_t* dest_buf, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets);
- const uint8_t* m_SrcData;
- int m_SrcSize;
- opj_image_t *image;
- opj_codec_t* l_codec;
- opj_stream_t *l_stream;
- FX_BOOL m_useColorSpace;
+class CJPX_Decoder {
+ public:
+ CJPX_Decoder();
+ ~CJPX_Decoder();
+ FX_BOOL Init(const unsigned char* src_data, int src_size);
+ void GetInfo(FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& codestream_nComps,
+ FX_DWORD& output_nComps);
+ FX_BOOL Decode(uint8_t* dest_buf,
+ int pitch,
+ FX_BOOL bTranslateColor,
+ uint8_t* offsets);
+ const uint8_t* m_SrcData;
+ int m_SrcSize;
+ opj_image_t* image;
+ opj_codec_t* l_codec;
+ opj_stream_t* l_stream;
+ FX_BOOL m_useColorSpace;
};
-CJPX_Decoder::CJPX_Decoder(): image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE)
-{
-}
-CJPX_Decoder::~CJPX_Decoder()
-{
- if(l_codec) {
- opj_destroy_codec(l_codec);
- }
- if(l_stream) {
- opj_stream_destroy(l_stream);
- }
- if(image) {
- opj_image_destroy(image);
- }
+CJPX_Decoder::CJPX_Decoder()
+ : image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE) {}
+CJPX_Decoder::~CJPX_Decoder() {
+ if (l_codec) {
+ opj_destroy_codec(l_codec);
+ }
+ if (l_stream) {
+ opj_stream_destroy(l_stream);
+ }
+ if (image) {
+ opj_image_destroy(image);
+ }
}
-FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size)
-{
- static const unsigned char szJP2Header[] = { 0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a };
- if (!src_data || src_size < sizeof(szJP2Header)) {
- return FALSE;
- }
+FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size) {
+ static const unsigned char szJP2Header[] = {
+ 0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a};
+ if (!src_data || src_size < sizeof(szJP2Header)) {
+ return FALSE;
+ }
+ image = NULL;
+ m_SrcData = src_data;
+ m_SrcSize = src_size;
+ DecodeData srcData(const_cast<unsigned char*>(src_data), src_size);
+ l_stream = fx_opj_stream_create_memory_stream(&srcData,
+ OPJ_J2K_STREAM_CHUNK_SIZE, 1);
+ if (l_stream == NULL) {
+ return FALSE;
+ }
+ opj_dparameters_t parameters;
+ opj_set_default_decoder_parameters(&parameters);
+ parameters.decod_format = 0;
+ parameters.cod_format = 3;
+ if (FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) {
+ l_codec = opj_create_decompress(OPJ_CODEC_JP2);
+ parameters.decod_format = 1;
+ } else {
+ l_codec = opj_create_decompress(OPJ_CODEC_J2K);
+ }
+ if (!l_codec) {
+ return FALSE;
+ }
+ opj_set_info_handler(l_codec, fx_info_callback, 00);
+ opj_set_warning_handler(l_codec, fx_warning_callback, 00);
+ opj_set_error_handler(l_codec, fx_error_callback, 00);
+ if (!opj_setup_decoder(l_codec, &parameters)) {
+ return FALSE;
+ }
+ if (!opj_read_header(l_stream, l_codec, &image)) {
image = NULL;
- m_SrcData = src_data;
- m_SrcSize = src_size;
- DecodeData srcData(const_cast<unsigned char*>(src_data), src_size);
- l_stream = fx_opj_stream_create_memory_stream(&srcData, OPJ_J2K_STREAM_CHUNK_SIZE, 1);
- if (l_stream == NULL) {
- return FALSE;
- }
- opj_dparameters_t parameters;
- opj_set_default_decoder_parameters(&parameters);
- parameters.decod_format = 0;
- parameters.cod_format = 3;
- if(FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) {
- l_codec = opj_create_decompress(OPJ_CODEC_JP2);
- parameters.decod_format = 1;
- } else {
- l_codec = opj_create_decompress(OPJ_CODEC_J2K);
- }
- if(!l_codec) {
- return FALSE;
- }
- opj_set_info_handler(l_codec, fx_info_callback, 00);
- opj_set_warning_handler(l_codec, fx_warning_callback, 00);
- opj_set_error_handler(l_codec, fx_error_callback, 00);
- if ( !opj_setup_decoder(l_codec, &parameters) ) {
- return FALSE;
- }
- if(! opj_read_header(l_stream, l_codec, &image)) {
- image = NULL;
- return FALSE;
- }
- if (!parameters.nb_tile_to_decode) {
- if (!opj_set_decode_area(l_codec, image, parameters.DA_x0,
- parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)) {
- opj_image_destroy(image);
- image = NULL;
- return FALSE;
- }
- if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) {
- opj_image_destroy(image);
- image = NULL;
- return FALSE;
- }
- } else {
- if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
- return FALSE;
- }
- }
- opj_stream_destroy(l_stream);
- l_stream = NULL;
- if( image->color_space != OPJ_CLRSPC_SYCC
- && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy
- && image->comps[1].dx != 1 ) {
- image->color_space = OPJ_CLRSPC_SYCC;
- } else if (image->numcomps <= 2) {
- image->color_space = OPJ_CLRSPC_GRAY;
- }
- if(image->color_space == OPJ_CLRSPC_SYCC) {
- color_sycc_to_rgb(image);
- }
- if(image->icc_profile_buf) {
- FX_Free(image->icc_profile_buf);
- image->icc_profile_buf = NULL;
- image->icc_profile_len = 0;
- }
- if(!image) {
- return FALSE;
- }
- return TRUE;
+ return FALSE;
+ }
+ if (!parameters.nb_tile_to_decode) {
+ if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0,
+ parameters.DA_x1, parameters.DA_y1)) {
+ opj_image_destroy(image);
+ image = NULL;
+ return FALSE;
+ }
+ if (!(opj_decode(l_codec, l_stream, image) &&
+ opj_end_decompress(l_codec, l_stream))) {
+ opj_image_destroy(image);
+ image = NULL;
+ return FALSE;
+ }
+ } else {
+ if (!opj_get_decoded_tile(l_codec, l_stream, image,
+ parameters.tile_index)) {
+ return FALSE;
+ }
+ }
+ opj_stream_destroy(l_stream);
+ l_stream = NULL;
+ if (image->color_space != OPJ_CLRSPC_SYCC && image->numcomps == 3 &&
+ image->comps[0].dx == image->comps[0].dy && image->comps[1].dx != 1) {
+ image->color_space = OPJ_CLRSPC_SYCC;
+ } else if (image->numcomps <= 2) {
+ image->color_space = OPJ_CLRSPC_GRAY;
+ }
+ if (image->color_space == OPJ_CLRSPC_SYCC) {
+ color_sycc_to_rgb(image);
+ }
+ if (image->icc_profile_buf) {
+ FX_Free(image->icc_profile_buf);
+ image->icc_profile_buf = NULL;
+ image->icc_profile_len = 0;
+ }
+ if (!image) {
+ return FALSE;
+ }
+ return TRUE;
}
-void CJPX_Decoder::GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
-{
- width = (FX_DWORD)image->x1;
- height = (FX_DWORD)image->y1;
- output_nComps = codestream_nComps = (FX_DWORD)image->numcomps;
+void CJPX_Decoder::GetInfo(FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& codestream_nComps,
+ FX_DWORD& output_nComps) {
+ width = (FX_DWORD)image->x1;
+ height = (FX_DWORD)image->y1;
+ output_nComps = codestream_nComps = (FX_DWORD)image->numcomps;
}
-FX_BOOL CJPX_Decoder::Decode(uint8_t* dest_buf, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets)
-{
- int i, wid, hei, row, col, channel, src;
- uint8_t* pChannel;
- uint8_t* pScanline;
- uint8_t* pPixel;
+FX_BOOL CJPX_Decoder::Decode(uint8_t* dest_buf,
+ int pitch,
+ FX_BOOL bTranslateColor,
+ uint8_t* offsets) {
+ int i, wid, hei, row, col, channel, src;
+ uint8_t* pChannel;
+ uint8_t* pScanline;
+ uint8_t* pPixel;
- if(image->comps[0].w != image->x1 || image->comps[0].h != image->y1) {
- return FALSE;
- }
- if(pitch < (int)(image->comps[0].w * 8 * image->numcomps + 31) >> 5 << 2) {
- return FALSE;
- }
- FXSYS_memset(dest_buf, 0xff, image->y1 * pitch);
- uint8_t** channel_bufs = FX_Alloc(uint8_t*, image->numcomps);
- FX_BOOL result = FALSE;
- int* adjust_comps = FX_Alloc(int, image->numcomps);
- for (i = 0; i < (int)image->numcomps; i ++) {
- channel_bufs[i] = dest_buf + offsets[i];
- adjust_comps[i] = image->comps[i].prec - 8;
- if(i > 0) {
- if(image->comps[i].dx != image->comps[i - 1].dx
- || image->comps[i].dy != image->comps[i - 1].dy
- || image->comps[i].prec != image->comps[i - 1].prec) {
- goto done;
- }
+ if (image->comps[0].w != image->x1 || image->comps[0].h != image->y1) {
+ return FALSE;
+ }
+ if (pitch<(int)(image->comps[0].w * 8 * image->numcomps + 31)>> 5 << 2) {
+ return FALSE;
+ }
+ FXSYS_memset(dest_buf, 0xff, image->y1 * pitch);
+ uint8_t** channel_bufs = FX_Alloc(uint8_t*, image->numcomps);
+ FX_BOOL result = FALSE;
+ int* adjust_comps = FX_Alloc(int, image->numcomps);
+ for (i = 0; i < (int)image->numcomps; i++) {
+ channel_bufs[i] = dest_buf + offsets[i];
+ adjust_comps[i] = image->comps[i].prec - 8;
+ if (i > 0) {
+ if (image->comps[i].dx != image->comps[i - 1].dx ||
+ image->comps[i].dy != image->comps[i - 1].dy ||
+ image->comps[i].prec != image->comps[i - 1].prec) {
+ goto done;
+ }
+ }
+ }
+ wid = image->comps[0].w;
+ hei = image->comps[0].h;
+ for (channel = 0; channel < (int)image->numcomps; channel++) {
+ pChannel = channel_bufs[channel];
+ if (adjust_comps[channel] < 0) {
+ for (row = 0; row < hei; row++) {
+ pScanline = pChannel + row * pitch;
+ for (col = 0; col < wid; col++) {
+ pPixel = pScanline + col * image->numcomps;
+ src = image->comps[channel].data[row * wid + col];
+ src += image->comps[channel].sgnd
+ ? 1 << (image->comps[channel].prec - 1)
+ : 0;
+ if (adjust_comps[channel] > 0) {
+ *pPixel = 0;
+ } else {
+ *pPixel = (uint8_t)(src << -adjust_comps[channel]);
+ }
}
- }
- wid = image->comps[0].w;
- hei = image->comps[0].h;
- for (channel = 0; channel < (int)image->numcomps; channel++) {
- pChannel = channel_bufs[channel];
- if(adjust_comps[channel] < 0) {
- for(row = 0; row < hei; row++) {
- pScanline = pChannel + row * pitch;
- for (col = 0; col < wid; col++) {
- pPixel = pScanline + col * image->numcomps;
- src = image->comps[channel].data[row * wid + col];
- src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
- if (adjust_comps[channel] > 0) {
- *pPixel = 0;
- } else {
- *pPixel = (uint8_t)(src << -adjust_comps[channel]);
- }
- }
- }
- } else {
- for(row = 0; row < hei; row++) {
- pScanline = pChannel + row * pitch;
- for (col = 0; col < wid; col++) {
- pPixel = pScanline + col * image->numcomps;
- if (!image->comps[channel].data) {
- continue;
- }
- src = image->comps[channel].data[row * wid + col];
- src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
- if (adjust_comps[channel] - 1 < 0) {
- *pPixel = (uint8_t)((src >> adjust_comps[channel]));
- } else {
- int tmpPixel = (src >> adjust_comps[channel]) + ((src >> (adjust_comps[channel] - 1)) % 2);
- if (tmpPixel > 255) {
- tmpPixel = 255;
- } else if (tmpPixel < 0) {
- tmpPixel = 0;
- }
- *pPixel = (uint8_t)tmpPixel;
- }
- }
+ }
+ } else {
+ for (row = 0; row < hei; row++) {
+ pScanline = pChannel + row * pitch;
+ for (col = 0; col < wid; col++) {
+ pPixel = pScanline + col * image->numcomps;
+ if (!image->comps[channel].data) {
+ continue;
+ }
+ src = image->comps[channel].data[row * wid + col];
+ src += image->comps[channel].sgnd
+ ? 1 << (image->comps[channel].prec - 1)
+ : 0;
+ if (adjust_comps[channel] - 1 < 0) {
+ *pPixel = (uint8_t)((src >> adjust_comps[channel]));
+ } else {
+ int tmpPixel = (src >> adjust_comps[channel]) +
+ ((src >> (adjust_comps[channel] - 1)) % 2);
+ if (tmpPixel > 255) {
+ tmpPixel = 255;
+ } else if (tmpPixel < 0) {
+ tmpPixel = 0;
}
+ *pPixel = (uint8_t)tmpPixel;
+ }
}
+ }
}
- result = TRUE;
+ }
+ result = TRUE;
done:
- FX_Free(channel_bufs);
- FX_Free(adjust_comps);
- return result;
+ FX_Free(channel_bufs);
+ FX_Free(adjust_comps);
+ return result;
}
void initialize_transition_table();
void initialize_significance_luts();
void initialize_sign_lut();
-CCodec_JpxModule::CCodec_JpxModule()
-{
-}
-void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size , FX_BOOL useColorSpace)
-{
- CJPX_Decoder* pDecoder = new CJPX_Decoder;
- pDecoder->m_useColorSpace = useColorSpace;
- if (!pDecoder->Init(src_buf, src_size)) {
- delete pDecoder;
- return NULL;
- }
- return pDecoder;
+CCodec_JpxModule::CCodec_JpxModule() {}
+void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ FX_BOOL useColorSpace) {
+ CJPX_Decoder* pDecoder = new CJPX_Decoder;
+ pDecoder->m_useColorSpace = useColorSpace;
+ if (!pDecoder->Init(src_buf, src_size)) {
+ delete pDecoder;
+ return NULL;
+ }
+ return pDecoder;
}
-void CCodec_JpxModule::GetImageInfo(void* ctx, FX_DWORD& width, FX_DWORD& height,
- FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- pDecoder->GetInfo(width, height, codestream_nComps, output_nComps);
+void CCodec_JpxModule::GetImageInfo(void* ctx,
+ FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& codestream_nComps,
+ FX_DWORD& output_nComps) {
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ pDecoder->GetInfo(width, height, codestream_nComps, output_nComps);
}
-FX_BOOL CCodec_JpxModule::Decode(void* ctx, uint8_t* dest_data, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets);
+FX_BOOL CCodec_JpxModule::Decode(void* ctx,
+ uint8_t* dest_data,
+ int pitch,
+ FX_BOOL bTranslateColor,
+ uint8_t* offsets) {
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets);
}
-void CCodec_JpxModule::DestroyDecoder(void* ctx)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- delete pDecoder;
+void CCodec_JpxModule::DestroyDecoder(void* ctx) {
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ delete pDecoder;
}