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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/gmp/widevine-adapter/WidevineUtils.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/gmp/widevine-adapter/WidevineUtils.h')
-rw-r--r-- | dom/media/gmp/widevine-adapter/WidevineUtils.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/media/gmp/widevine-adapter/WidevineUtils.h b/dom/media/gmp/widevine-adapter/WidevineUtils.h new file mode 100644 index 0000000000..1502621451 --- /dev/null +++ b/dom/media/gmp/widevine-adapter/WidevineUtils.h @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef WidevineUtils_h_ +#define WidevineUtils_h_ + +#include "stddef.h" +#include "content_decryption_module.h" +#include "nsISupportsImpl.h" +#include "nsTArray.h" +#include "mozilla/Logging.h" + +namespace mozilla { + +#define ENSURE_TRUE(condition, rv) \ + { \ + if (!(condition)) { \ + GMP_LOG_DEBUG("ENSURE_TRUE FAILED %s:%d", __FILE__, __LINE__); \ + return rv; \ + } \ + } + +#define ENSURE_GMP_SUCCESS(err, rv) \ + { \ + if (GMP_FAILED(err)) { \ + GMP_LOG_DEBUG("ENSURE_GMP_SUCCESS FAILED %s:%d", __FILE__, __LINE__); \ + return rv; \ + } \ + } + +namespace gmp { +class CDMShmemBuffer; +} +class WidevineBuffer; + +// Base class for our cdm::Buffer implementations, so we can tell at runtime +// whether the buffer is a Shmem or non-Shmem buffer. +class CDMBuffer : public cdm::Buffer { + public: + virtual WidevineBuffer* AsArrayBuffer() { return nullptr; } + virtual gmp::CDMShmemBuffer* AsShmemBuffer() { return nullptr; } +}; + +class WidevineBuffer : public CDMBuffer { + public: + explicit WidevineBuffer(size_t aSize); + ~WidevineBuffer() override; + void Destroy() override; + uint32_t Capacity() const override; + uint8_t* Data() override; + void SetSize(uint32_t aSize) override; + uint32_t Size() const override; + + // Moves contents of buffer out into temporary. + // Note: This empties the buffer. + nsTArray<uint8_t> ExtractBuffer(); + + WidevineBuffer* AsArrayBuffer() override { return this; } + + private: + nsTArray<uint8_t> mBuffer; + WidevineBuffer(const WidevineBuffer&); + void operator=(const WidevineBuffer&); +}; + +class WidevineDecryptedBlock : public cdm::DecryptedBlock { + public: + WidevineDecryptedBlock(); + ~WidevineDecryptedBlock() override; + void SetDecryptedBuffer(cdm::Buffer* aBuffer) override; + cdm::Buffer* DecryptedBuffer() override; + void SetTimestamp(int64_t aTimestamp) override; + int64_t Timestamp() const override; + + private: + cdm::Buffer* mBuffer; + int64_t mTimestamp; +}; + +} // namespace mozilla + +#endif // WidevineUtils_h_ |