Remove cdm::ContentDecryptionModule_6
BUG=450861
Review URL: https://codereview.chromium.org/1024643002
git-svn-id: http://src.chromium.org/svn/trunk/deps/cdm@294518 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/content_decryption_module.h b/content_decryption_module.h
index 2ce0807..1e5e6f6 100644
--- a/content_decryption_module.h
+++ b/content_decryption_module.h
@@ -79,7 +79,6 @@
class DecryptedBlock;
class VideoFrame;
-class Host_6;
class Host_7;
class Host_8;
@@ -462,185 +461,6 @@
// provided in CreateCdmInstance() to allocate any Buffer that needs to
// be passed back to the caller. Implementations must call Buffer::Destroy()
// when a Buffer is created that will never be returned to the caller.
-class ContentDecryptionModule_6 {
- public:
- static const int kVersion = 6;
- typedef Host_6 Host;
-
- // CreateSession(), LoadSession(), UpdateSession(), and ReleaseSession()
- // accept a |promise_id|, which must be passed to the completion Host method
- // (e.g. Host::OnResolveNewSessionPromise()).
-
- // Creates a session given |init_data_type|, |init_data| and |session_type|.
- // The CDM must respond by calling either Host::OnResolveNewSessionPromise()
- // or Host::OnRejectPromise().
- virtual void CreateSession(
- uint32_t promise_id,
- const char* init_data_type, uint32_t init_data_type_size,
- const uint8_t* init_data, uint32_t init_data_size,
- SessionType session_type) = 0;
-
- // Loads the session with |session_id|. The CDM must respond by calling
- // either Host::OnResolveNewSessionPromise() or Host::OnRejectPromise().
- // If the session is not found, call Host::OnResolveNewSessionPromise()
- // with session_id = NULL.
- virtual void LoadSession(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Updates the session with |response|. The CDM must respond by calling
- // either Host::OnResolvePromise() or Host::OnRejectPromise().
- virtual void UpdateSession(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length,
- const uint8_t* response, uint32_t response_size) = 0;
-
- // Requests that the CDM close the session. The CDM must respond by calling
- // either Host::OnResolvePromise() or Host::OnRejectPromise() when the request
- // has been processed. This may be before the session is closed. Once the
- // session is closed, Host::OnSessionClosed() must also be called.
- virtual void CloseSession(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Removes any stored session data associated with this session. Will only be
- // called for persistent sessions. The CDM must respond by calling either
- // Host::OnResolvePromise() or Host::OnRejectPromise() when the request has
- // been processed.
- virtual void RemoveSession(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Requests the key IDs for keys in the session that the CDM knows are
- // currently usable to decrypt media data. The CDM must respond by calling
- // either Host::OnResolveKeyIdsPromise() or Host::OnRejectPromise().
- virtual void GetUsableKeyIds(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Provides a server certificate to be used to encrypt messages to the
- // license server. The CDM must respond by calling either
- // Host::OnResolvePromise() or Host::OnRejectPromise().
- virtual void SetServerCertificate(
- uint32_t promise_id,
- const uint8_t* server_certificate_data,
- uint32_t server_certificate_data_size) = 0;
-
- // Performs scheduled operation with |context| when the timer fires.
- virtual void TimerExpired(void* context) = 0;
-
- // Decrypts the |encrypted_buffer|.
- //
- // Returns kSuccess if decryption succeeded, in which case the callee
- // should have filled the |decrypted_buffer| and passed the ownership of
- // |data| in |decrypted_buffer| to the caller.
- // Returns kNoKey if the CDM did not have the necessary decryption key
- // to decrypt.
- // Returns kDecryptError if any other error happened.
- // If the return value is not kSuccess, |decrypted_buffer| should be ignored
- // by the caller.
- virtual Status Decrypt(const InputBuffer& encrypted_buffer,
- DecryptedBlock* decrypted_buffer) = 0;
-
- // Initializes the CDM audio decoder with |audio_decoder_config|. This
- // function must be called before DecryptAndDecodeSamples() is called.
- //
- // Returns kSuccess if the |audio_decoder_config| is supported and the CDM
- // audio decoder is successfully initialized.
- // Returns kSessionError if |audio_decoder_config| is not supported. The CDM
- // may still be able to do Decrypt().
- // Returns kDeferredInitialization if the CDM is not ready to initialize the
- // decoder at this time. Must call Host::OnDeferredInitializationDone() once
- // initialization is complete.
- virtual Status InitializeAudioDecoder(
- const AudioDecoderConfig& audio_decoder_config) = 0;
-
- // Initializes the CDM video decoder with |video_decoder_config|. This
- // function must be called before DecryptAndDecodeFrame() is called.
- //
- // Returns kSuccess if the |video_decoder_config| is supported and the CDM
- // video decoder is successfully initialized.
- // Returns kSessionError if |video_decoder_config| is not supported. The CDM
- // may still be able to do Decrypt().
- // Returns kDeferredInitialization if the CDM is not ready to initialize the
- // decoder at this time. Must call Host::OnDeferredInitializationDone() once
- // initialization is complete.
- virtual Status InitializeVideoDecoder(
- const VideoDecoderConfig& video_decoder_config) = 0;
-
- // De-initializes the CDM decoder and sets it to an uninitialized state. The
- // caller can initialize the decoder again after this call to re-initialize
- // it. This can be used to reconfigure the decoder if the configuration
- // changes.
- virtual void DeinitializeDecoder(StreamType decoder_type) = 0;
-
- // Resets the CDM decoder to an initialized clean state. All internal buffers
- // MUST be flushed.
- virtual void ResetDecoder(StreamType decoder_type) = 0;
-
- // Decrypts the |encrypted_buffer| and decodes the decrypted buffer into a
- // |video_frame|. Upon end-of-stream, the caller should call this function
- // repeatedly with empty |encrypted_buffer| (|data| == NULL) until only empty
- // |video_frame| (|format| == kEmptyVideoFrame) is produced.
- //
- // Returns kSuccess if decryption and decoding both succeeded, in which case
- // the callee will have filled the |video_frame| and passed the ownership of
- // |frame_buffer| in |video_frame| to the caller.
- // Returns kNoKey if the CDM did not have the necessary decryption key
- // to decrypt.
- // Returns kNeedMoreData if more data was needed by the decoder to generate
- // a decoded frame (e.g. during initialization and end-of-stream).
- // Returns kDecryptError if any decryption error happened.
- // Returns kDecodeError if any decoding error happened.
- // If the return value is not kSuccess, |video_frame| should be ignored by
- // the caller.
- virtual Status DecryptAndDecodeFrame(const InputBuffer& encrypted_buffer,
- VideoFrame* video_frame) = 0;
-
- // Decrypts the |encrypted_buffer| and decodes the decrypted buffer into
- // |audio_frames|. Upon end-of-stream, the caller should call this function
- // repeatedly with empty |encrypted_buffer| (|data| == NULL) until only empty
- // |audio_frames| is produced.
- //
- // Returns kSuccess if decryption and decoding both succeeded, in which case
- // the callee will have filled |audio_frames| and passed the ownership of
- // |data| in |audio_frames| to the caller.
- // Returns kNoKey if the CDM did not have the necessary decryption key
- // to decrypt.
- // Returns kNeedMoreData if more data was needed by the decoder to generate
- // audio samples (e.g. during initialization and end-of-stream).
- // Returns kDecryptError if any decryption error happened.
- // Returns kDecodeError if any decoding error happened.
- // If the return value is not kSuccess, |audio_frames| should be ignored by
- // the caller.
- virtual Status DecryptAndDecodeSamples(const InputBuffer& encrypted_buffer,
- AudioFrames* audio_frames) = 0;
-
- // Called by the host after a platform challenge was initiated via
- // Host::SendPlatformChallenge().
- virtual void OnPlatformChallengeResponse(
- const PlatformChallengeResponse& response) = 0;
-
- // Called by the host after a call to Host::QueryOutputProtectionStatus(). The
- // |link_mask| is a bit mask of OutputLinkTypes and |output_protection_mask|
- // is a bit mask of OutputProtectionMethods.
- virtual void OnQueryOutputProtectionStatus(
- uint32_t link_mask, uint32_t output_protection_mask) = 0;
-
- // Destroys the object in the same context as it was created.
- virtual void Destroy() = 0;
-
- protected:
- ContentDecryptionModule_6() {}
- virtual ~ContentDecryptionModule_6() {}
-};
-
-// ContentDecryptionModule interface that all CDMs need to implement.
-// The interface is versioned for backward compatibility.
-// Note: ContentDecryptionModule implementations must use the allocator
-// provided in CreateCdmInstance() to allocate any Buffer that needs to
-// be passed back to the caller. Implementations must call Buffer::Destroy()
-// when a Buffer is created that will never be returned to the caller.
class ContentDecryptionModule_7 {
public:
static const int kVersion = 7;
@@ -1024,134 +844,6 @@
void operator=(const Buffer&);
};
-class Host_6 {
- public:
- static const int kVersion = 6;
-
- // Returns a Buffer* containing non-zero members upon success, or NULL on
- // failure. The caller owns the Buffer* after this call. The buffer is not
- // guaranteed to be zero initialized. The capacity of the allocated Buffer
- // is guaranteed to be not less than |capacity|.
- virtual Buffer* Allocate(uint32_t capacity) = 0;
-
- // Requests the host to call ContentDecryptionModule::TimerFired() |delay_ms|
- // from now with |context|.
- virtual void SetTimer(int64_t delay_ms, void* context) = 0;
-
- // Returns the current wall time in seconds.
- virtual Time GetCurrentWallTime() = 0;
-
- // Called by the CDM when a session is created or loaded and the value for the
- // MediaKeySession's sessionId attribute is available (|session_id|).
- // This must be called before OnSessionMessage() or
- // OnSessionUsableKeysChange() is called for the same session.
- // |session_id_length| should not include null termination.
- // When called in response to LoadSession(), the |session_id| must be the
- // same as the |session_id| passed in LoadSession(), or NULL if the
- // session could not be loaded.
- virtual void OnResolveNewSessionPromise(
- uint32_t promise_id,
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Called by the CDM when a session is updated or released.
- virtual void OnResolvePromise(uint32_t promise_id) = 0;
-
- // Called by the CDM to return a list of key IDs. The caller owns the
- // BinaryData array and the values the elements reference.
- virtual void OnResolveKeyIdsPromise(
- uint32_t promise_id,
- const BinaryData* key_ids, uint32_t key_ids_length) = 0;
-
- // Called by the CDM when an error occurs as a result of one of the
- // ContentDecryptionModule calls that accept a |promise_id|.
- // |error| must be specified, |error_message| and |system_code|
- // are optional. Length parameters should not include null termination.
- virtual void OnRejectPromise(
- uint32_t promise_id,
- Error error,
- uint32_t system_code,
- const char* error_message, uint32_t error_message_length) = 0;
-
- // Called by the CDM when it has a message for session |session_id|.
- // Length parameters should not include null termination.
- virtual void OnSessionMessage(
- const char* session_id, uint32_t session_id_length,
- const char* message, uint32_t message_length,
- const char* destination_url, uint32_t destination_url_length) = 0;
-
- // Called by the CDM when there has been a change in usable keys for
- // session |session_id|. |has_additional_usable_key| should be set if a
- // key is newly usable (e.g. new key available, previously expired key has
- // been renewed, etc.) and the browser should attempt to resume playback.
- // Length parameter should not include null termination.
- virtual void OnSessionUsableKeysChange(
- const char* session_id, uint32_t session_id_length,
- bool has_additional_usable_key) = 0;
-
- // Called by the CDM when there has been a change in the expiration time for
- // session |session_id|. This can happen as the result of an Update() call
- // or some other event. If this happens as a result of a call to Update(),
- // it must be called before resolving the Update() promise. |new_expiry_time|
- // can be 0 to represent "undefined". Length parameter should not include
- // null termination.
- virtual void OnExpirationChange(
- const char* session_id, uint32_t session_id_length,
- Time new_expiry_time) = 0;
-
- // Called by the CDM when session |session_id| is closed. Length
- // parameter should not include null termination.
- virtual void OnSessionClosed(
- const char* session_id, uint32_t session_id_length) = 0;
-
- // Called by the CDM when an error occurs in session |session_id|
- // unrelated to one of the ContentDecryptionModule calls that accept a
- // |promise_id|. |error| must be specified, |error_message| and
- // |system_code| are optional. Length parameters should not include null
- // termination.
- virtual void OnSessionError(
- const char* session_id, uint32_t session_id_length,
- Error error,
- uint32_t system_code,
- const char* error_message, uint32_t error_message_length) = 0;
-
- // The following are optional methods that may not be implemented on all
- // platforms.
-
- // Sends a platform challenge for the given |service_id|. |challenge| is at
- // most 256 bits of data to be signed. Once the challenge has been completed,
- // the host will call ContentDecryptionModule::OnPlatformChallengeResponse()
- // with the signed challenge response and platform certificate. Length
- // parameters should not include null termination.
- virtual void SendPlatformChallenge(
- const char* service_id, uint32_t service_id_length,
- const char* challenge, uint32_t challenge_length) = 0;
-
- // Attempts to enable output protection (e.g. HDCP) on the display link. The
- // |desired_protection_mask| is a bit mask of OutputProtectionMethods. No
- // status callback is issued, the CDM must call QueryOutputProtectionStatus()
- // periodically to ensure the desired protections are applied.
- virtual void EnableOutputProtection(uint32_t desired_protection_mask) = 0;
-
- // Requests the current output protection status. Once the host has the status
- // it will call ContentDecryptionModule::OnQueryOutputProtectionStatus().
- virtual void QueryOutputProtectionStatus() = 0;
-
- // Must be called by the CDM if it returned kDeferredInitialization during
- // InitializeAudioDecoder() or InitializeVideoDecoder().
- virtual void OnDeferredInitializationDone(StreamType stream_type,
- Status decoder_status) = 0;
-
- // Creates a FileIO object from the host to do file IO operation. Returns NULL
- // if a FileIO object cannot be obtained. Once a valid FileIO object is
- // returned, |client| must be valid until FileIO::Close() is called. The
- // CDM can call this method multiple times to operate on different files.
- virtual FileIO* CreateFileIO(FileIOClient* client) = 0;
-
- protected:
- Host_6() {}
- virtual ~Host_6() {}
-};
-
class Host_7 {
public:
static const int kVersion = 7;