Merge "Zero out return values in media binder calls" into klp-dev
diff --git a/media/libmedia/IEffect.cpp b/media/libmedia/IEffect.cpp
index 86c706a..1e54ca8 100644
--- a/media/libmedia/IEffect.cpp
+++ b/media/libmedia/IEffect.cpp
@@ -85,13 +85,15 @@
data.writeInt32(size);
status_t status = remote()->transact(COMMAND, data, &reply);
+ if (status == NO_ERROR) {
+ status = reply.readInt32();
+ }
if (status != NO_ERROR) {
if (pReplySize != NULL)
*pReplySize = 0;
return status;
}
- status = reply.readInt32();
size = reply.readInt32();
if (size != 0 && pReplyData != NULL && pReplySize != NULL) {
reply.read(pReplyData, size);
@@ -152,6 +154,10 @@
char *cmd = NULL;
if (cmdSize) {
cmd = (char *)calloc(cmdSize, 1);
+ if (cmd == NULL) {
+ reply->writeInt32(NO_MEMORY);
+ return NO_ERROR;
+ }
data.read(cmd, cmdSize);
}
uint32_t replySize = data.readInt32();
@@ -159,15 +165,22 @@
char *resp = NULL;
if (replySize) {
resp = (char *)calloc(replySize, 1);
+ if (resp == NULL) {
+ free(cmd);
+ reply->writeInt32(NO_MEMORY);
+ return NO_ERROR;
+ }
}
status_t status = command(cmdCode, cmdSize, cmd, &replySz, resp);
reply->writeInt32(status);
- if (replySz < replySize) {
- replySize = replySz;
- }
- reply->writeInt32(replySize);
- if (replySize) {
- reply->write(resp, replySize);
+ if (status == NO_ERROR) {
+ if (replySz < replySize) {
+ replySize = replySz;
+ }
+ reply->writeInt32(replySize);
+ if (replySize) {
+ reply->write(resp, replySize);
+ }
}
if (cmd) {
free(cmd);
diff --git a/media/libstagefright/OggExtractor.cpp b/media/libstagefright/OggExtractor.cpp
index 073c53f..28c9c7c 100644
--- a/media/libstagefright/OggExtractor.cpp
+++ b/media/libstagefright/OggExtractor.cpp
@@ -844,11 +844,14 @@
}
}
- size_t outLen = 3 * size / 4 - padding;
-
- *outSize = outLen;
+ // We divide first to avoid overflow. It's OK to do this because we
+ // already made sure that size % 4 == 0.
+ size_t outLen = (size / 4) * 3 - padding;
void *buffer = malloc(outLen);
+ if (buffer == NULL) {
+ return NULL;
+ }
uint8_t *out = (uint8_t *)buffer;
size_t j = 0;
@@ -867,10 +870,10 @@
} else if (c == '/') {
value = 63;
} else if (c != '=') {
- return NULL;
+ break;
} else {
if (i < n - padding) {
- return NULL;
+ break;
}
value = 0;
@@ -888,6 +891,13 @@
}
}
+ // Check if we exited the loop early.
+ if (j < outLen) {
+ free(buffer);
+ return NULL;
+ }
+
+ *outSize = outLen;
return (uint8_t *)buffer;
}
diff --git a/media/libstagefright/Utils.cpp b/media/libstagefright/Utils.cpp
index 80d8cef..090c891 100644
--- a/media/libstagefright/Utils.cpp
+++ b/media/libstagefright/Utils.cpp
@@ -160,8 +160,10 @@
const uint8_t *ptr = (const uint8_t *)data;
- CHECK(size >= 7);
- CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
+ if (size < 7 || ptr[0] != 1) { // configurationVersion == 1
+ ALOGE("b/23680780");
+ return BAD_VALUE;
+ }
uint8_t profile = ptr[1];
uint8_t level = ptr[3];
@@ -187,7 +189,10 @@
buffer->setRange(0, 0);
for (size_t i = 0; i < numSeqParameterSets; ++i) {
- CHECK(size >= 2);
+ if (size < 2) {
+ ALOGE("b/23680780");
+ return BAD_VALUE;
+ }
size_t length = U16_AT(ptr);
ptr += 2;
@@ -216,13 +221,19 @@
}
buffer->setRange(0, 0);
- CHECK(size >= 1);
+ if (size < 1) {
+ ALOGE("b/23680780");
+ return BAD_VALUE;
+ }
size_t numPictureParameterSets = *ptr;
++ptr;
--size;
for (size_t i = 0; i < numPictureParameterSets; ++i) {
- CHECK(size >= 2);
+ if (size < 2) {
+ ALOGE("b/23680780");
+ return BAD_VALUE;
+ }
size_t length = U16_AT(ptr);
ptr += 2;
diff --git a/media/libstagefright/timedtext/TextDescriptions.cpp b/media/libstagefright/timedtext/TextDescriptions.cpp
index f9c1fe0..c762a74 100644
--- a/media/libstagefright/timedtext/TextDescriptions.cpp
+++ b/media/libstagefright/timedtext/TextDescriptions.cpp
@@ -30,9 +30,9 @@
if (flags & IN_BAND_TEXT_3GPP) {
if (flags & GLOBAL_DESCRIPTIONS) {
- return extract3GPPGlobalDescriptions(data, size, parcel, 0);
+ return extract3GPPGlobalDescriptions(data, size, parcel);
} else if (flags & LOCAL_DESCRIPTIONS) {
- return extract3GPPLocalDescriptions(data, size, timeMs, parcel, 0);
+ return extract3GPPLocalDescriptions(data, size, timeMs, parcel);
}
} else if (flags & OUT_OF_BAND_TEXT_SRT) {
if (flags & LOCAL_DESCRIPTIONS) {
@@ -69,49 +69,361 @@
// styles, and 'krok' box contains karaoke timing and positions.
status_t TextDescriptions::extract3GPPLocalDescriptions(
const uint8_t *data, ssize_t size,
- int timeMs, Parcel *parcel, int depth) {
- if (depth == 0) {
- parcel->writeInt32(KEY_LOCAL_SETTING);
+ int timeMs, Parcel *parcel) {
- // write start time to display this text sample
- parcel->writeInt32(KEY_START_TIME);
- parcel->writeInt32(timeMs);
+ parcel->writeInt32(KEY_LOCAL_SETTING);
- ssize_t textLen = (*data) << 8 | (*(data + 1));
+ // write start time to display this text sample
+ parcel->writeInt32(KEY_START_TIME);
+ parcel->writeInt32(timeMs);
- // write text sample length and text sample itself
- parcel->writeInt32(KEY_STRUCT_TEXT);
- parcel->writeInt32(textLen);
- parcel->writeInt32(textLen);
- parcel->write(data + 2, textLen);
-
- if (size > textLen) {
- data += (textLen + 2);
- size -= (textLen + 2);
- } else {
- return OK;
- }
+ if (size < 2) {
+ return OK;
}
+ ssize_t textLen = (*data) << 8 | (*(data + 1));
- const uint8_t *tmpData = data;
- ssize_t chunkSize = U32_AT(tmpData);
- uint32_t chunkType = U32_AT(tmpData + 4);
-
- if (chunkSize <= 0) {
+ if (size < textLen + 2) {
return OK;
}
- tmpData += 8;
+ // write text sample length and text sample itself
+ parcel->writeInt32(KEY_STRUCT_TEXT);
+ parcel->writeInt32(textLen);
+ parcel->writeInt32(textLen);
+ parcel->write(data + 2, textLen);
- switch(chunkType) {
- // 'styl' box specifies the style of the text.
- case FOURCC('s', 't', 'y', 'l'):
- {
- uint16_t count = U16_AT(tmpData);
+ if (size > textLen + 2) {
+ data += (textLen + 2);
+ size -= (textLen + 2);
+ } else {
+ return OK;
+ }
- tmpData += 2;
+ while (size >= 8) {
+ const uint8_t *tmpData = data;
+ ssize_t chunkSize = U32_AT(tmpData); // size includes size and type
+ uint32_t chunkType = U32_AT(tmpData + 4);
- for (int i = 0; i < count; i++) {
+ if (chunkSize <= 8 || chunkSize > size) {
+ return OK;
+ }
+
+ size_t remaining = chunkSize - 8;
+
+ tmpData += 8;
+
+ switch(chunkType) {
+ // 'styl' box specifies the style of the text.
+ case FOURCC('s', 't', 'y', 'l'):
+ {
+ if (remaining < 2) {
+ return OK;
+ }
+ size_t dataPos = parcel->dataPosition();
+ uint16_t count = U16_AT(tmpData);
+
+ tmpData += 2;
+ remaining -= 2;
+
+ for (int i = 0; i < count; i++) {
+ if (remaining < 12) {
+ // roll back
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+ parcel->writeInt32(KEY_STRUCT_STYLE_LIST);
+ parcel->writeInt32(KEY_START_CHAR);
+ parcel->writeInt32(U16_AT(tmpData));
+
+ parcel->writeInt32(KEY_END_CHAR);
+ parcel->writeInt32(U16_AT(tmpData + 2));
+
+ parcel->writeInt32(KEY_FONT_ID);
+ parcel->writeInt32(U16_AT(tmpData + 4));
+
+ parcel->writeInt32(KEY_STYLE_FLAGS);
+ parcel->writeInt32(*(tmpData + 6));
+
+ parcel->writeInt32(KEY_FONT_SIZE);
+ parcel->writeInt32(*(tmpData + 7));
+
+ parcel->writeInt32(KEY_TEXT_COLOR_RGBA);
+ uint32_t rgba = *(tmpData + 8) << 24 | *(tmpData + 9) << 16
+ | *(tmpData + 10) << 8 | *(tmpData + 11);
+ parcel->writeInt32(rgba);
+
+ tmpData += 12;
+ remaining -= 12;
+ }
+
+ break;
+ }
+ // 'krok' box. The number of highlight events is specified, and each
+ // event is specified by a starting and ending char offset and an end
+ // time for the event.
+ case FOURCC('k', 'r', 'o', 'k'):
+ {
+ if (remaining < 6) {
+ return OK;
+ }
+ size_t dataPos = parcel->dataPosition();
+
+ parcel->writeInt32(KEY_STRUCT_KARAOKE_LIST);
+
+ int startTime = U32_AT(tmpData);
+ uint16_t count = U16_AT(tmpData + 4);
+ parcel->writeInt32(count);
+
+ tmpData += 6;
+ remaining -= 6;
+ int lastEndTime = 0;
+
+ for (int i = 0; i < count; i++) {
+ if (remaining < 8) {
+ // roll back
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+ parcel->writeInt32(startTime + lastEndTime);
+
+ lastEndTime = U32_AT(tmpData);
+ parcel->writeInt32(lastEndTime);
+
+ parcel->writeInt32(U16_AT(tmpData + 4));
+ parcel->writeInt32(U16_AT(tmpData + 6));
+
+ tmpData += 8;
+ remaining -= 8;
+ }
+
+ break;
+ }
+ // 'hlit' box specifies highlighted text
+ case FOURCC('h', 'l', 'i', 't'):
+ {
+ if (remaining < 4) {
+ return OK;
+ }
+
+ parcel->writeInt32(KEY_STRUCT_HIGHLIGHT_LIST);
+
+ // the start char offset to highlight
+ parcel->writeInt32(U16_AT(tmpData));
+ // the last char offset to highlight
+ parcel->writeInt32(U16_AT(tmpData + 2));
+
+ tmpData += 4;
+ remaining -= 4;
+ break;
+ }
+ // 'hclr' box specifies the RGBA color: 8 bits each of
+ // red, green, blue, and an alpha(transparency) value
+ case FOURCC('h', 'c', 'l', 'r'):
+ {
+ if (remaining < 4) {
+ return OK;
+ }
+ parcel->writeInt32(KEY_HIGHLIGHT_COLOR_RGBA);
+
+ uint32_t rgba = *(tmpData) << 24 | *(tmpData + 1) << 16
+ | *(tmpData + 2) << 8 | *(tmpData + 3);
+ parcel->writeInt32(rgba);
+
+ tmpData += 4;
+ remaining -= 4;
+ break;
+ }
+ // 'dlay' box specifies a delay after a scroll in and/or
+ // before scroll out.
+ case FOURCC('d', 'l', 'a', 'y'):
+ {
+ if (remaining < 4) {
+ return OK;
+ }
+ parcel->writeInt32(KEY_SCROLL_DELAY);
+
+ uint32_t delay = *(tmpData) << 24 | *(tmpData + 1) << 16
+ | *(tmpData + 2) << 8 | *(tmpData + 3);
+ parcel->writeInt32(delay);
+
+ tmpData += 4;
+ remaining -= 4;
+ break;
+ }
+ // 'href' box for hyper text link
+ case FOURCC('h', 'r', 'e', 'f'):
+ {
+ if (remaining < 5) {
+ return OK;
+ }
+
+ size_t dataPos = parcel->dataPosition();
+
+ parcel->writeInt32(KEY_STRUCT_HYPER_TEXT_LIST);
+
+ // the start offset of the text to be linked
+ parcel->writeInt32(U16_AT(tmpData));
+ // the end offset of the text
+ parcel->writeInt32(U16_AT(tmpData + 2));
+
+ // the number of bytes in the following URL
+ size_t len = *(tmpData + 4);
+ parcel->writeInt32(len);
+
+ remaining -= 5;
+
+ if (remaining < len) {
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+ // the linked-to URL
+ parcel->writeInt32(len);
+ parcel->write(tmpData + 5, len);
+
+ tmpData += (5 + len);
+ remaining -= len;
+
+ if (remaining < 1) {
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+
+ // the number of bytes in the following "alt" string
+ len = *tmpData;
+ parcel->writeInt32(len);
+
+ tmpData += 1;
+ remaining -= 1;
+ if (remaining < len) {
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+
+ // an "alt" string for user display
+ parcel->writeInt32(len);
+ parcel->write(tmpData, len);
+
+ tmpData += 1;
+ remaining -= 1;
+ break;
+ }
+ // 'tbox' box to indicate the position of the text with values
+ // of top, left, bottom and right
+ case FOURCC('t', 'b', 'o', 'x'):
+ {
+ if (remaining < 8) {
+ return OK;
+ }
+ parcel->writeInt32(KEY_STRUCT_TEXT_POS);
+ parcel->writeInt32(U16_AT(tmpData));
+ parcel->writeInt32(U16_AT(tmpData + 2));
+ parcel->writeInt32(U16_AT(tmpData + 4));
+ parcel->writeInt32(U16_AT(tmpData + 6));
+
+ tmpData += 8;
+ remaining -= 8;
+ break;
+ }
+ // 'blnk' to specify the char range to be blinked
+ case FOURCC('b', 'l', 'n', 'k'):
+ {
+ if (remaining < 4) {
+ return OK;
+ }
+
+ parcel->writeInt32(KEY_STRUCT_BLINKING_TEXT_LIST);
+
+ // start char offset
+ parcel->writeInt32(U16_AT(tmpData));
+ // end char offset
+ parcel->writeInt32(U16_AT(tmpData + 2));
+
+ tmpData += 4;
+ remaining -= 4;
+ break;
+ }
+ // 'twrp' box specifies text wrap behavior. If the value if 0x00,
+ // then no wrap. If it's 0x01, then automatic 'soft' wrap is enabled.
+ // 0x02-0xff are reserved.
+ case FOURCC('t', 'w', 'r', 'p'):
+ {
+ if (remaining < 1) {
+ return OK;
+ }
+ parcel->writeInt32(KEY_WRAP_TEXT);
+ parcel->writeInt32(*tmpData);
+
+ tmpData += 1;
+ remaining -= 1;
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+
+ data += chunkSize;
+ size -= chunkSize;
+ }
+
+ return OK;
+}
+
+// To extract box 'tx3g' defined in 3GPP TS 26.245, and store it in a Parcel
+status_t TextDescriptions::extract3GPPGlobalDescriptions(
+ const uint8_t *data, ssize_t size, Parcel *parcel) {
+
+ parcel->writeInt32(KEY_GLOBAL_SETTING);
+
+ while (size >= 8) {
+ ssize_t chunkSize = U32_AT(data);
+ uint32_t chunkType = U32_AT(data + 4);
+ const uint8_t *tmpData = data;
+ tmpData += 8;
+ size_t remaining = size - 8;
+
+ if (size < chunkSize) {
+ return OK;
+ }
+ switch(chunkType) {
+ case FOURCC('t', 'x', '3', 'g'):
+ {
+ if (remaining < 18) { // 8 just below, and another 10 a little further down
+ return OK;
+ }
+ tmpData += 8; // skip the first 8 bytes
+ remaining -=8;
+ parcel->writeInt32(KEY_DISPLAY_FLAGS);
+ parcel->writeInt32(U32_AT(tmpData));
+
+ parcel->writeInt32(KEY_STRUCT_JUSTIFICATION);
+ parcel->writeInt32(tmpData[4]);
+ parcel->writeInt32(tmpData[5]);
+
+ parcel->writeInt32(KEY_BACKGROUND_COLOR_RGBA);
+ uint32_t rgba = *(tmpData + 6) << 24 | *(tmpData + 7) << 16
+ | *(tmpData + 8) << 8 | *(tmpData + 9);
+ parcel->writeInt32(rgba);
+
+ tmpData += 10;
+ remaining -= 10;
+
+ if (remaining < 8) {
+ return OK;
+ }
+ parcel->writeInt32(KEY_STRUCT_TEXT_POS);
+ parcel->writeInt32(U16_AT(tmpData));
+ parcel->writeInt32(U16_AT(tmpData + 2));
+ parcel->writeInt32(U16_AT(tmpData + 4));
+ parcel->writeInt32(U16_AT(tmpData + 6));
+
+ tmpData += 8;
+ remaining -= 8;
+
+ if (remaining < 12) {
+ return OK;
+ }
parcel->writeInt32(KEY_STRUCT_STYLE_LIST);
parcel->writeInt32(KEY_START_CHAR);
parcel->writeInt32(U16_AT(tmpData));
@@ -129,254 +441,65 @@
parcel->writeInt32(*(tmpData + 7));
parcel->writeInt32(KEY_TEXT_COLOR_RGBA);
- uint32_t rgba = *(tmpData + 8) << 24 | *(tmpData + 9) << 16
+ rgba = *(tmpData + 8) << 24 | *(tmpData + 9) << 16
| *(tmpData + 10) << 8 | *(tmpData + 11);
parcel->writeInt32(rgba);
tmpData += 12;
+ remaining -= 12;
+
+ if (remaining < 2) {
+ return OK;
+ }
+
+ size_t dataPos = parcel->dataPosition();
+
+ parcel->writeInt32(KEY_STRUCT_FONT_LIST);
+ uint16_t count = U16_AT(tmpData);
+ parcel->writeInt32(count);
+
+ tmpData += 2;
+ remaining -= 2;
+
+ for (int i = 0; i < count; i++) {
+ if (remaining < 3) {
+ // roll back
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+ // font ID
+ parcel->writeInt32(U16_AT(tmpData));
+
+ // font name length
+ parcel->writeInt32(*(tmpData + 2));
+
+ size_t len = *(tmpData + 2);
+
+ tmpData += 3;
+ remaining -= 3;
+
+ if (remaining < len) {
+ // roll back
+ parcel->setDataPosition(dataPos);
+ return OK;
+ }
+
+ parcel->write(tmpData, len);
+ tmpData += len;
+ remaining -= len;
+ }
+
+ // there is a "DisparityBox" after this according to the spec, but we ignore it
+ break;
}
-
- break;
- }
- // 'krok' box. The number of highlight events is specified, and each
- // event is specified by a starting and ending char offset and an end
- // time for the event.
- case FOURCC('k', 'r', 'o', 'k'):
- {
-
- parcel->writeInt32(KEY_STRUCT_KARAOKE_LIST);
-
- int startTime = U32_AT(tmpData);
- uint16_t count = U16_AT(tmpData + 4);
- parcel->writeInt32(count);
-
- tmpData += 6;
- int lastEndTime = 0;
-
- for (int i = 0; i < count; i++) {
- parcel->writeInt32(startTime + lastEndTime);
-
- lastEndTime = U32_AT(tmpData);
- parcel->writeInt32(lastEndTime);
-
- parcel->writeInt32(U16_AT(tmpData + 4));
- parcel->writeInt32(U16_AT(tmpData + 6));
-
- tmpData += 8;
+ default:
+ {
+ break;
}
-
- break;
}
- // 'hlit' box specifies highlighted text
- case FOURCC('h', 'l', 'i', 't'):
- {
- parcel->writeInt32(KEY_STRUCT_HIGHLIGHT_LIST);
- // the start char offset to highlight
- parcel->writeInt32(U16_AT(tmpData));
- // the last char offset to highlight
- parcel->writeInt32(U16_AT(tmpData + 2));
-
- break;
- }
- // 'hclr' box specifies the RGBA color: 8 bits each of
- // red, green, blue, and an alpha(transparency) value
- case FOURCC('h', 'c', 'l', 'r'):
- {
- parcel->writeInt32(KEY_HIGHLIGHT_COLOR_RGBA);
-
- uint32_t rgba = *(tmpData) << 24 | *(tmpData + 1) << 16
- | *(tmpData + 2) << 8 | *(tmpData + 3);
- parcel->writeInt32(rgba);
-
- break;
- }
- // 'dlay' box specifies a delay after a scroll in and/or
- // before scroll out.
- case FOURCC('d', 'l', 'a', 'y'):
- {
- parcel->writeInt32(KEY_SCROLL_DELAY);
-
- uint32_t delay = *(tmpData) << 24 | *(tmpData + 1) << 16
- | *(tmpData + 2) << 8 | *(tmpData + 3);
- parcel->writeInt32(delay);
-
- break;
- }
- // 'href' box for hyper text link
- case FOURCC('h', 'r', 'e', 'f'):
- {
- parcel->writeInt32(KEY_STRUCT_HYPER_TEXT_LIST);
-
- // the start offset of the text to be linked
- parcel->writeInt32(U16_AT(tmpData));
- // the end offset of the text
- parcel->writeInt32(U16_AT(tmpData + 2));
-
- // the number of bytes in the following URL
- int len = *(tmpData + 4);
- parcel->writeInt32(len);
-
- // the linked-to URL
- parcel->writeInt32(len);
- parcel->write(tmpData + 5, len);
-
- tmpData += (5 + len);
-
- // the number of bytes in the following "alt" string
- len = *tmpData;
- parcel->writeInt32(len);
-
- // an "alt" string for user display
- parcel->writeInt32(len);
- parcel->write(tmpData + 1, len);
-
- break;
- }
- // 'tbox' box to indicate the position of the text with values
- // of top, left, bottom and right
- case FOURCC('t', 'b', 'o', 'x'):
- {
- parcel->writeInt32(KEY_STRUCT_TEXT_POS);
- parcel->writeInt32(U16_AT(tmpData));
- parcel->writeInt32(U16_AT(tmpData + 2));
- parcel->writeInt32(U16_AT(tmpData + 4));
- parcel->writeInt32(U16_AT(tmpData + 6));
-
- break;
- }
- // 'blnk' to specify the char range to be blinked
- case FOURCC('b', 'l', 'n', 'k'):
- {
- parcel->writeInt32(KEY_STRUCT_BLINKING_TEXT_LIST);
-
- // start char offset
- parcel->writeInt32(U16_AT(tmpData));
- // end char offset
- parcel->writeInt32(U16_AT(tmpData + 2));
-
- break;
- }
- // 'twrp' box specifies text wrap behavior. If the value if 0x00,
- // then no wrap. If it's 0x01, then automatic 'soft' wrap is enabled.
- // 0x02-0xff are reserved.
- case FOURCC('t', 'w', 'r', 'p'):
- {
- parcel->writeInt32(KEY_WRAP_TEXT);
- parcel->writeInt32(*tmpData);
-
- break;
- }
- default:
- {
- break;
- }
- }
-
- if (size > chunkSize) {
data += chunkSize;
size -= chunkSize;
- // continue to parse next box
- return extract3GPPLocalDescriptions(data, size, 0, parcel, 1);
- }
-
- return OK;
-}
-
-// To extract box 'tx3g' defined in 3GPP TS 26.245, and store it in a Parcel
-status_t TextDescriptions::extract3GPPGlobalDescriptions(
- const uint8_t *data, ssize_t size, Parcel *parcel, int depth) {
-
- ssize_t chunkSize = U32_AT(data);
- uint32_t chunkType = U32_AT(data + 4);
- const uint8_t *tmpData = data;
- tmpData += 8;
-
- if (size < chunkSize) {
- return OK;
- }
-
- if (depth == 0) {
- parcel->writeInt32(KEY_GLOBAL_SETTING);
- }
- switch(chunkType) {
- case FOURCC('t', 'x', '3', 'g'):
- {
- tmpData += 8; // skip the first 8 bytes
- parcel->writeInt32(KEY_DISPLAY_FLAGS);
- parcel->writeInt32(U32_AT(tmpData));
-
- parcel->writeInt32(KEY_STRUCT_JUSTIFICATION);
- parcel->writeInt32(tmpData[4]);
- parcel->writeInt32(tmpData[5]);
-
- parcel->writeInt32(KEY_BACKGROUND_COLOR_RGBA);
- uint32_t rgba = *(tmpData + 6) << 24 | *(tmpData + 7) << 16
- | *(tmpData + 8) << 8 | *(tmpData + 9);
- parcel->writeInt32(rgba);
-
- tmpData += 10;
- parcel->writeInt32(KEY_STRUCT_TEXT_POS);
- parcel->writeInt32(U16_AT(tmpData));
- parcel->writeInt32(U16_AT(tmpData + 2));
- parcel->writeInt32(U16_AT(tmpData + 4));
- parcel->writeInt32(U16_AT(tmpData + 6));
-
- tmpData += 8;
- parcel->writeInt32(KEY_STRUCT_STYLE_LIST);
- parcel->writeInt32(KEY_START_CHAR);
- parcel->writeInt32(U16_AT(tmpData));
-
- parcel->writeInt32(KEY_END_CHAR);
- parcel->writeInt32(U16_AT(tmpData + 2));
-
- parcel->writeInt32(KEY_FONT_ID);
- parcel->writeInt32(U16_AT(tmpData + 4));
-
- parcel->writeInt32(KEY_STYLE_FLAGS);
- parcel->writeInt32(*(tmpData + 6));
-
- parcel->writeInt32(KEY_FONT_SIZE);
- parcel->writeInt32(*(tmpData + 7));
-
- parcel->writeInt32(KEY_TEXT_COLOR_RGBA);
- rgba = *(tmpData + 8) << 24 | *(tmpData + 9) << 16
- | *(tmpData + 10) << 8 | *(tmpData + 11);
- parcel->writeInt32(rgba);
-
- tmpData += 12;
- parcel->writeInt32(KEY_STRUCT_FONT_LIST);
- uint16_t count = U16_AT(tmpData);
- parcel->writeInt32(count);
-
- tmpData += 2;
- for (int i = 0; i < count; i++) {
- // font ID
- parcel->writeInt32(U16_AT(tmpData));
-
- // font name length
- parcel->writeInt32(*(tmpData + 2));
-
- int len = *(tmpData + 2);
-
- parcel->write(tmpData + 3, len);
- tmpData += 3 + len;
- }
-
- break;
- }
- default:
- {
- break;
- }
- }
-
- data += chunkSize;
- size -= chunkSize;
-
- if (size > 0) {
- // continue to extract next 'tx3g'
- return extract3GPPGlobalDescriptions(data, size, parcel, 1);
}
return OK;
diff --git a/media/libstagefright/timedtext/TextDescriptions.h b/media/libstagefright/timedtext/TextDescriptions.h
index 0144917..bf67f3f 100644
--- a/media/libstagefright/timedtext/TextDescriptions.h
+++ b/media/libstagefright/timedtext/TextDescriptions.h
@@ -72,10 +72,10 @@
int timeMs, Parcel *parcel);
static status_t extract3GPPGlobalDescriptions(
const uint8_t *data, ssize_t size,
- Parcel *parcel, int depth);
+ Parcel *parcel);
static status_t extract3GPPLocalDescriptions(
const uint8_t *data, ssize_t size,
- int timeMs, Parcel *parcel, int depth);
+ int timeMs, Parcel *parcel);
DISALLOW_EVIL_CONSTRUCTORS(TextDescriptions);
};
