| /* ------------------------------------------------------------------ |
| * Copyright (C) 2008 PacketVideo |
| * |
| * 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. |
| * ------------------------------------------------------------------- |
| */ |
| /*********************************************************************************/ |
| /* |
| This PVA_FF_VisualSampleEntry Class fp used for visual streams. |
| */ |
| |
| |
| #define IMPLEMENT_VisualSampleEntry |
| |
| #include "visualsampleentry.h" |
| #include "atomutils.h" |
| #include "a_atomdefs.h" |
| |
| //extern pvostream& operator<<(pvostream& fp, const PVA_FF_ESDAtom &a); |
| |
| |
| // Constructor |
| PVA_FF_VisualSampleEntry::PVA_FF_VisualSampleEntry(int32 codecType) |
| : PVA_FF_SampleEntry(VIDEO_SAMPLE_ENTRY) |
| { |
| PV_MP4_FF_NEW(fp->auditCB, PVA_FF_ESDAtom, (MEDIA_TYPE_VISUAL, codecType), _pes); |
| |
| init(); |
| recomputeSize(); |
| |
| _pes->setParent(this); |
| } |
| |
| // Destructor |
| PVA_FF_VisualSampleEntry::~PVA_FF_VisualSampleEntry() |
| { |
| // Cleanup PVA_FF_ESDAtom |
| PV_MP4_FF_DELETE(NULL, PVA_FF_ESDAtom, _pes); |
| } |
| |
| void |
| PVA_FF_VisualSampleEntry::init() |
| { |
| int32 i; |
| |
| for (i = 0; i < 4; i++) |
| { |
| _reserved1[i] = 0; |
| } |
| |
| _reserved2 = 0x014000f0; |
| _reserved3 = 0x00480000; |
| _reserved4 = 0x00480000; |
| _reserved5 = 0; |
| _reserved6 = 1; |
| |
| for (i = 0; i < 32; i++) |
| { |
| _reserved7[i] = 0; |
| } |
| |
| _reserved8 = 24; |
| _reserved9 = -1; // (16) SIGNED! |
| } |
| |
| // Rendering the PVA_FF_Atom in proper format (bitlengths, etc.) to an ostream |
| bool |
| PVA_FF_VisualSampleEntry::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp) |
| { |
| int32 i; |
| |
| int32 rendered = 0; |
| |
| if (!renderAtomBaseMembers(fp)) |
| { |
| return false; |
| } |
| rendered += getDefaultSize(); |
| |
| // From PVA_FF_SampleEntry base class |
| for (i = 0; i < 6; i++) |
| { |
| if (!PVA_FF_AtomUtils::render8(fp, _reserved[i])) |
| { |
| return false; |
| } |
| rendered += 1; |
| } |
| if (!PVA_FF_AtomUtils::render16(fp, _dataReferenceIndex)) |
| { |
| return false; |
| } |
| |
| for (i = 0; i < 4; i++) |
| { |
| if (!PVA_FF_AtomUtils::render32(fp, _reserved1[i])) |
| { |
| return false; |
| } |
| rendered += 4; |
| } |
| |
| if (!PVA_FF_AtomUtils::render32(fp, _reserved2)) |
| { |
| return false; |
| } |
| if (!PVA_FF_AtomUtils::render32(fp, _reserved3)) |
| { |
| return false; |
| } |
| if (!PVA_FF_AtomUtils::render32(fp, _reserved4)) |
| { |
| return false; |
| } |
| if (!PVA_FF_AtomUtils::render32(fp, _reserved5)) |
| { |
| return false; |
| } |
| rendered += 16; |
| |
| if (!PVA_FF_AtomUtils::render16(fp, _reserved6)) |
| { |
| return false; |
| } |
| rendered += 2; |
| |
| for (i = 0; i < 32; i++) |
| { |
| if (!PVA_FF_AtomUtils::render8(fp, _reserved7[i])) |
| { |
| return false; |
| } |
| } |
| rendered += 32; |
| |
| if (!PVA_FF_AtomUtils::render16(fp, _reserved8)) |
| { |
| return false; |
| } |
| if (!PVA_FF_AtomUtils::render16(fp, _reserved9)) |
| { |
| return false; |
| } |
| rendered += 4; |
| |
| if (!_pes->renderToFileStream(fp)) |
| { |
| return false; |
| } |
| rendered += _pes->getSize(); |
| |
| return true; |
| } |
| |
| |
| |
| void |
| PVA_FF_VisualSampleEntry::recomputeSize() |
| { |
| int32 size = getDefaultSize(); |
| |
| size += 8; // For reserved and dataRefIndex of PVA_FF_SampleEntry base class |
| |
| size += 16; // For reserved1[4] |
| size += 16; // For reserved2 - reserved5 |
| size += 2; // For reserved6 |
| size += 32; // For reserved7[32] |
| size += 2; // For reserved8 |
| size += 2; // For reserved9 |
| |
| size += _pes->getSize(); |
| |
| _size = size; |
| |
| // Update size of parent |
| if (_pparent != NULL) |
| { |
| _pparent->recomputeSize(); |
| } |
| } |
| |