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Diffstat (limited to 'jni_jpegstream/src/jpeg_hook.cpp')
-rw-r--r--jni_jpegstream/src/jpeg_hook.cpp198
1 files changed, 0 insertions, 198 deletions
diff --git a/jni_jpegstream/src/jpeg_hook.cpp b/jni_jpegstream/src/jpeg_hook.cpp
deleted file mode 100644
index cca54e405..000000000
--- a/jni_jpegstream/src/jpeg_hook.cpp
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "error_codes.h"
-#include "jni_defines.h"
-#include "jpeg_hook.h"
-
-#include <stddef.h>
-#include <string.h>
-
-void Mgr_init_destination_fcn(j_compress_ptr cinfo) {
- DestManager *dst = reinterpret_cast<DestManager*>(cinfo->dest);
- dst->mgr.next_output_byte = reinterpret_cast<JOCTET*>(dst->outStream->getBufferPtr());
- dst->mgr.free_in_buffer = dst->outStream->getBufferSize();
-}
-
-boolean Mgr_empty_output_buffer_fcn(j_compress_ptr cinfo) {
- DestManager *dst = reinterpret_cast<DestManager*>(cinfo->dest);
- int32_t len = dst->outStream->getBufferSize();
- if (dst->outStream->write(len, 0) != J_SUCCESS) {
- ERREXIT(cinfo, JERR_FILE_WRITE);
- }
- dst->mgr.next_output_byte = reinterpret_cast<JOCTET*>(dst->outStream->getBufferPtr());
- dst->mgr.free_in_buffer = len;
- return TRUE;
-}
-
-void Mgr_term_destination_fcn(j_compress_ptr cinfo) {
- DestManager *dst = reinterpret_cast<DestManager*>(cinfo->dest);
- int32_t remaining = dst->outStream->getBufferSize() - dst->mgr.free_in_buffer;
- if (dst->outStream->write(remaining, 0) != J_SUCCESS) {
- ERREXIT(cinfo, JERR_FILE_WRITE);
- }
-}
-
-int32_t MakeDst(j_compress_ptr cinfo, JNIEnv *env, jobject outStream) {
- if (cinfo->dest != NULL) {
- LOGE("DestManager already exists, cannot allocate!");
- return J_ERROR_FATAL;
- } else {
- size_t size = sizeof(DestManager);
- cinfo->dest = (struct jpeg_destination_mgr *) (*cinfo->mem->alloc_small)
- ((j_common_ptr) cinfo, JPOOL_PERMANENT, size);
- if (cinfo->dest == NULL) {
- LOGE("Could not allocate memory for DestManager.");
- return J_ERROR_FATAL;
- }
- memset(cinfo->dest, '0', size);
- }
- DestManager *d = reinterpret_cast<DestManager*>(cinfo->dest);
- d->mgr.init_destination = Mgr_init_destination_fcn;
- d->mgr.empty_output_buffer = Mgr_empty_output_buffer_fcn;
- d->mgr.term_destination = Mgr_term_destination_fcn;
- d->outStream = new OutputStreamWrapper();
- if(d->outStream->init(env, outStream)) {
- return J_SUCCESS;
- }
- return J_ERROR_FATAL;
-}
-
-void UpdateDstEnv(j_compress_ptr cinfo, JNIEnv* env) {
- DestManager* d = reinterpret_cast<DestManager*>(cinfo->dest);
- d->outStream->updateEnv(env);
-}
-
-void CleanDst(j_compress_ptr cinfo) {
- if (cinfo != NULL && cinfo->dest != NULL) {
- DestManager *d = reinterpret_cast<DestManager*>(cinfo->dest);
- if (d->outStream != NULL) {
- delete d->outStream;
- d->outStream = NULL;
- }
- }
-}
-
-boolean Mgr_fill_input_buffer_fcn(j_decompress_ptr cinfo) {
- SourceManager *src = reinterpret_cast<SourceManager*>(cinfo->src);
- int32_t bytesRead = src->inStream->read(src->inStream->getBufferSize(), 0);
- if (bytesRead == J_DONE) {
- if (src->start_of_file == TRUE) {
- ERREXIT(cinfo, JERR_INPUT_EMPTY);
- }
- WARNMS(cinfo, JWRN_JPEG_EOF);
- bytesRead = src->inStream->forceReadEOI();
- } else if (bytesRead < 0) {
- ERREXIT(cinfo, JERR_FILE_READ);
- } else if (bytesRead == 0) {
- LOGW("read 0 bytes from InputStream.");
- }
- src->mgr.next_input_byte = reinterpret_cast<JOCTET*>(src->inStream->getBufferPtr());
- src->mgr.bytes_in_buffer = bytesRead;
- if (bytesRead != 0) {
- src->start_of_file = FALSE;
- }
- return TRUE;
-}
-
-void Mgr_init_source_fcn(j_decompress_ptr cinfo) {
- SourceManager *s = reinterpret_cast<SourceManager*>(cinfo->src);
- s->start_of_file = TRUE;
- Mgr_fill_input_buffer_fcn(cinfo);
-}
-
-void Mgr_skip_input_data_fcn(j_decompress_ptr cinfo, long num_bytes) {
- // Cannot skip negative or 0 bytes.
- if (num_bytes <= 0) {
- LOGW("skipping 0 bytes in InputStream");
- return;
- }
- SourceManager *src = reinterpret_cast<SourceManager*>(cinfo->src);
- if (src->mgr.bytes_in_buffer >= num_bytes) {
- src->mgr.bytes_in_buffer -= num_bytes;
- src->mgr.next_input_byte += num_bytes;
- } else {
- // if skipping more bytes than remain in buffer, set skip_bytes
- int64_t skip = num_bytes - src->mgr.bytes_in_buffer;
- src->mgr.next_input_byte += src->mgr.bytes_in_buffer;
- src->mgr.bytes_in_buffer = 0;
- int64_t actual = src->inStream->skip(skip);
- if (actual < 0) {
- ERREXIT(cinfo, JERR_FILE_READ);
- }
- skip -= actual;
- while (skip > 0) {
- actual = src->inStream->skip(skip);
- if (actual < 0) {
- ERREXIT(cinfo, JERR_FILE_READ);
- }
- skip -= actual;
- if (actual == 0) {
- // Multiple zero byte skips, likely EOF
- WARNMS(cinfo, JWRN_JPEG_EOF);
- return;
- }
- }
- }
-}
-
-void Mgr_term_source_fcn(j_decompress_ptr cinfo) {
- //noop
-}
-
-int32_t MakeSrc(j_decompress_ptr cinfo, JNIEnv *env, jobject inStream){
- if (cinfo->src != NULL) {
- LOGE("SourceManager already exists, cannot allocate!");
- return J_ERROR_FATAL;
- } else {
- size_t size = sizeof(SourceManager);
- cinfo->src = (struct jpeg_source_mgr *) (*cinfo->mem->alloc_small)
- ((j_common_ptr) cinfo, JPOOL_PERMANENT, size);
- if (cinfo->src == NULL) {
- // Could not allocate memory.
- LOGE("Could not allocate memory for SourceManager.");
- return J_ERROR_FATAL;
- }
- memset(cinfo->src, '0', size);
- }
- SourceManager *s = reinterpret_cast<SourceManager*>(cinfo->src);
- s->start_of_file = TRUE;
- s->mgr.init_source = Mgr_init_source_fcn;
- s->mgr.fill_input_buffer = Mgr_fill_input_buffer_fcn;
- s->mgr.skip_input_data = Mgr_skip_input_data_fcn;
- s->mgr.resync_to_restart = jpeg_resync_to_restart; // use default restart
- s->mgr.term_source = Mgr_term_source_fcn;
- s->inStream = new InputStreamWrapper();
- if(s->inStream->init(env, inStream)) {
- return J_SUCCESS;
- }
- return J_ERROR_FATAL;
-}
-
-void UpdateSrcEnv(j_decompress_ptr cinfo, JNIEnv* env) {
- SourceManager* s = reinterpret_cast<SourceManager*>(cinfo->src);
- s->inStream->updateEnv(env);
-}
-
-void CleanSrc(j_decompress_ptr cinfo) {
- if (cinfo != NULL && cinfo->src != NULL) {
- SourceManager *s = reinterpret_cast<SourceManager*>(cinfo->src);
- if (s->inStream != NULL) {
- delete s->inStream;
- s->inStream = NULL;
- }
- }
-}
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