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-rw-r--r--media/libstagefright/mp4/TrackFragment.cpp364
1 files changed, 0 insertions, 364 deletions
diff --git a/media/libstagefright/mp4/TrackFragment.cpp b/media/libstagefright/mp4/TrackFragment.cpp
deleted file mode 100644
index 3699038..0000000
--- a/media/libstagefright/mp4/TrackFragment.cpp
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "TrackFragment"
-#include <utils/Log.h>
-
-#include "TrackFragment.h"
-
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/Utils.h>
-#include <media/stagefright/foundation/ABuffer.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/hexdump.h>
-
-namespace android {
-
-FragmentedMP4Parser::DynamicTrackFragment::DynamicTrackFragment()
- : mComplete(false),
- mSampleIndex(0) {
-}
-
-FragmentedMP4Parser::DynamicTrackFragment::~DynamicTrackFragment() {
-}
-
-status_t FragmentedMP4Parser::DynamicTrackFragment::getSample(SampleInfo *info) {
- if (mSampleIndex >= mSamples.size()) {
- return mComplete ? ERROR_END_OF_STREAM : -EWOULDBLOCK;
- }
-
- *info = mSamples.itemAt(mSampleIndex);
-
- return OK;
-}
-
-void FragmentedMP4Parser::DynamicTrackFragment::advance() {
- ++mSampleIndex;
-}
-
-void FragmentedMP4Parser::DynamicTrackFragment::addSample(
- off64_t dataOffset, size_t sampleSize,
- uint32_t presentationTime,
- size_t sampleDescIndex,
- uint32_t flags) {
- mSamples.push();
- SampleInfo *sampleInfo = &mSamples.editItemAt(mSamples.size() - 1);
-
- sampleInfo->mOffset = dataOffset;
- sampleInfo->mSize = sampleSize;
- sampleInfo->mPresentationTime = presentationTime;
- sampleInfo->mSampleDescIndex = sampleDescIndex;
- sampleInfo->mFlags = flags;
-}
-
-status_t FragmentedMP4Parser::DynamicTrackFragment::signalCompletion() {
- mComplete = true;
-
- return OK;
-}
-
-bool FragmentedMP4Parser::DynamicTrackFragment::complete() const {
- return mComplete;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-FragmentedMP4Parser::StaticTrackFragment::StaticTrackFragment()
- : mSampleIndex(0),
- mSampleCount(0),
- mChunkIndex(0),
- mSampleToChunkIndex(-1),
- mSampleToChunkRemaining(0),
- mPrevChunkIndex(0xffffffff),
- mNextSampleOffset(0) {
-}
-
-FragmentedMP4Parser::StaticTrackFragment::~StaticTrackFragment() {
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::getSample(SampleInfo *info) {
- if (mSampleIndex >= mSampleCount) {
- return ERROR_END_OF_STREAM;
- }
-
- *info = mSampleInfo;
-
- ALOGV("returning sample %d at [0x%08llx, 0x%08llx)",
- mSampleIndex,
- info->mOffset, info->mOffset + info->mSize);
-
- return OK;
-}
-
-void FragmentedMP4Parser::StaticTrackFragment::updateSampleInfo() {
- if (mSampleIndex >= mSampleCount) {
- return;
- }
-
- if (mSampleSizes != NULL) {
- uint32_t defaultSampleSize = U32_AT(mSampleSizes->data() + 4);
- if (defaultSampleSize > 0) {
- mSampleInfo.mSize = defaultSampleSize;
- } else {
- mSampleInfo.mSize= U32_AT(mSampleSizes->data() + 12 + 4 * mSampleIndex);
- }
- } else {
- CHECK(mCompactSampleSizes != NULL);
-
- uint32_t fieldSize = U32_AT(mCompactSampleSizes->data() + 4);
-
- switch (fieldSize) {
- case 4:
- {
- unsigned byte = mCompactSampleSizes->data()[12 + mSampleIndex / 2];
- mSampleInfo.mSize = (mSampleIndex & 1) ? byte & 0x0f : byte >> 4;
- break;
- }
-
- case 8:
- {
- mSampleInfo.mSize = mCompactSampleSizes->data()[12 + mSampleIndex];
- break;
- }
-
- default:
- {
- CHECK_EQ(fieldSize, 16);
- mSampleInfo.mSize =
- U16_AT(mCompactSampleSizes->data() + 12 + mSampleIndex * 2);
- break;
- }
- }
- }
-
- CHECK_GT(mSampleToChunkRemaining, 0);
-
- // The sample desc index is 1-based... XXX
- mSampleInfo.mSampleDescIndex =
- U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 8);
-
- if (mChunkIndex != mPrevChunkIndex) {
- mPrevChunkIndex = mChunkIndex;
-
- if (mChunkOffsets != NULL) {
- uint32_t entryCount = U32_AT(mChunkOffsets->data() + 4);
-
- if (mChunkIndex >= entryCount) {
- mSampleIndex = mSampleCount;
- return;
- }
-
- mNextSampleOffset =
- U32_AT(mChunkOffsets->data() + 8 + 4 * mChunkIndex);
- } else {
- CHECK(mChunkOffsets64 != NULL);
-
- uint32_t entryCount = U32_AT(mChunkOffsets64->data() + 4);
-
- if (mChunkIndex >= entryCount) {
- mSampleIndex = mSampleCount;
- return;
- }
-
- mNextSampleOffset =
- U64_AT(mChunkOffsets64->data() + 8 + 8 * mChunkIndex);
- }
- }
-
- mSampleInfo.mOffset = mNextSampleOffset;
-
- mSampleInfo.mPresentationTime = 0;
- mSampleInfo.mFlags = 0;
-}
-
-void FragmentedMP4Parser::StaticTrackFragment::advance() {
- mNextSampleOffset += mSampleInfo.mSize;
-
- ++mSampleIndex;
- if (--mSampleToChunkRemaining == 0) {
- ++mChunkIndex;
-
- uint32_t entryCount = U32_AT(mSampleToChunk->data() + 4);
-
- // If this is the last entry in the sample to chunk table, we will
- // stay on this entry.
- if ((uint32_t)(mSampleToChunkIndex + 1) < entryCount) {
- uint32_t nextChunkIndex =
- U32_AT(mSampleToChunk->data() + 8 + 12 * (mSampleToChunkIndex + 1));
-
- CHECK_GE(nextChunkIndex, 1u);
- --nextChunkIndex;
-
- if (mChunkIndex >= nextChunkIndex) {
- CHECK_EQ(mChunkIndex, nextChunkIndex);
- ++mSampleToChunkIndex;
- }
- }
-
- mSampleToChunkRemaining =
- U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 4);
- }
-
- updateSampleInfo();
-}
-
-static void setU32At(uint8_t *ptr, uint32_t x) {
- ptr[0] = x >> 24;
- ptr[1] = (x >> 16) & 0xff;
- ptr[2] = (x >> 8) & 0xff;
- ptr[3] = x & 0xff;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::signalCompletion() {
- mSampleToChunkIndex = 0;
-
- mSampleToChunkRemaining =
- (mSampleToChunk == NULL)
- ? 0
- : U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 4);
-
- updateSampleInfo();
-
- return OK;
-}
-
-bool FragmentedMP4Parser::StaticTrackFragment::complete() const {
- return true;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseSampleSizes(
- FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size) {
- if (offset + 12 > size) {
- return ERROR_MALFORMED;
- }
-
- if (parser->readU32(offset) != 0) {
- return ERROR_MALFORMED;
- }
-
- uint32_t sampleSize = parser->readU32(offset + 4);
- uint32_t sampleCount = parser->readU32(offset + 8);
-
- if (sampleSize == 0 && offset + 12 + sampleCount * 4 != size) {
- return ERROR_MALFORMED;
- }
-
- parser->copyBuffer(&mSampleSizes, offset, size);
-
- mSampleCount = sampleCount;
-
- return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseCompactSampleSizes(
- FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size) {
- if (offset + 12 > size) {
- return ERROR_MALFORMED;
- }
-
- if (parser->readU32(offset) != 0) {
- return ERROR_MALFORMED;
- }
-
- uint32_t fieldSize = parser->readU32(offset + 4);
-
- if (fieldSize != 4 && fieldSize != 8 && fieldSize != 16) {
- return ERROR_MALFORMED;
- }
-
- uint32_t sampleCount = parser->readU32(offset + 8);
-
- if (offset + 12 + (sampleCount * fieldSize + 4) / 8 != size) {
- return ERROR_MALFORMED;
- }
-
- parser->copyBuffer(&mCompactSampleSizes, offset, size);
-
- mSampleCount = sampleCount;
-
- return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseSampleToChunk(
- FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size) {
- if (offset + 8 > size) {
- return ERROR_MALFORMED;
- }
-
- if (parser->readU32(offset) != 0) {
- return ERROR_MALFORMED;
- }
-
- uint32_t entryCount = parser->readU32(offset + 4);
-
- if (entryCount == 0) {
- return OK;
- }
-
- if (offset + 8 + entryCount * 12 != size) {
- return ERROR_MALFORMED;
- }
-
- parser->copyBuffer(&mSampleToChunk, offset, size);
-
- return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseChunkOffsets(
- FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size) {
- if (offset + 8 > size) {
- return ERROR_MALFORMED;
- }
-
- if (parser->readU32(offset) != 0) {
- return ERROR_MALFORMED;
- }
-
- uint32_t entryCount = parser->readU32(offset + 4);
-
- if (offset + 8 + entryCount * 4 != size) {
- return ERROR_MALFORMED;
- }
-
- parser->copyBuffer(&mChunkOffsets, offset, size);
-
- return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseChunkOffsets64(
- FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size) {
- if (offset + 8 > size) {
- return ERROR_MALFORMED;
- }
-
- if (parser->readU32(offset) != 0) {
- return ERROR_MALFORMED;
- }
-
- uint32_t entryCount = parser->readU32(offset + 4);
-
- if (offset + 8 + entryCount * 8 != size) {
- return ERROR_MALFORMED;
- }
-
- parser->copyBuffer(&mChunkOffsets64, offset, size);
-
- return OK;
-}
-
-} // namespace android
-
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