зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
2.4 KiB
C++
118 строки
2.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MockMediaResource.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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namespace mozilla
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{
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MockMediaResource::MockMediaResource(const char* aFileName,
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const MediaContainerType& aContainerType)
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: mFileHandle(nullptr)
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, mFileName(aFileName)
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, mContainerType(aContainerType)
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{
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}
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nsresult
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MockMediaResource::Open(nsIStreamListener** aStreamListener)
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{
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mFileHandle = fopen(mFileName, "rb");
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if (mFileHandle == nullptr) {
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printf_stderr("Can't open %s\n", mFileName);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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MockMediaResource::~MockMediaResource()
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{
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if (mFileHandle != nullptr) {
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fclose(mFileHandle);
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}
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}
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nsresult
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MockMediaResource::ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount,
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uint32_t* aBytes)
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{
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if (mFileHandle == nullptr) {
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return NS_ERROR_FAILURE;
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}
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// Make it fail if we're re-entrant
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if (mEntry++) {
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MOZ_ASSERT(false);
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return NS_ERROR_FAILURE;
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}
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fseek(mFileHandle, aOffset, SEEK_SET);
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size_t objectsRead = fread(aBuffer, aCount, 1, mFileHandle);
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*aBytes = objectsRead == 1 ? aCount : 0;
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mEntry--;
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return ferror(mFileHandle) ? NS_ERROR_FAILURE : NS_OK;
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}
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int64_t
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MockMediaResource::GetLength()
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{
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if (mFileHandle == nullptr) {
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return -1;
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}
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fseek(mFileHandle, 0, SEEK_END);
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return ftell(mFileHandle);
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}
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void
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MockMediaResource::MockClearBufferedRanges()
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{
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mRanges.Clear();
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}
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void
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MockMediaResource::MockAddBufferedRange(int64_t aStart, int64_t aEnd)
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{
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mRanges += MediaByteRange(aStart, aEnd);
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}
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int64_t
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MockMediaResource::GetNextCachedData(int64_t aOffset)
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{
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if (!aOffset) {
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return mRanges.Length() ? mRanges[0].mStart : -1;
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}
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for (size_t i = 0; i < mRanges.Length(); i++) {
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if (aOffset == mRanges[i].mStart) {
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++i;
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return i < mRanges.Length() ? mRanges[i].mStart : -1;
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}
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}
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return -1;
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}
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int64_t
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MockMediaResource::GetCachedDataEnd(int64_t aOffset)
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{
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for (size_t i = 0; i < mRanges.Length(); i++) {
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if (aOffset == mRanges[i].mStart) {
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return mRanges[i].mEnd;
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}
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}
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return -1;
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}
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nsresult
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MockMediaResource::GetCachedRanges(MediaByteRangeSet& aRanges)
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{
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aRanges = mRanges;
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return NS_OK;
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}
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} // namespace mozilla
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