| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #ifndef MEDIA_KEYS_H_ |
| |
| #define MEDIA_KEYS_H_ |
| |
| namespace android { |
| |
| // When signalling a discontinuity to IStreamListener you can optionally |
| // specify the type(s) of discontinuity, i.e. if the audio format has changed, |
| // the video format has changed, time has jumped or any combination thereof. |
| // To do so, include a non-zero int32_t value under the key |
| // "kIStreamListenerKeyDiscontinuityMask" when issuing the |
| // IStreamListener::DISCONTINUITY command. |
| // If there is a change in audio/video format, The new logical stream |
| // must start with proper codec initialization |
| // information for playback to continue, i.e. SPS and PPS in the case |
| // of AVC video etc. |
| // If this key is not present, only a time discontinuity is assumed. |
| // The value should be a bitmask of values from |
| // ATSParser::DiscontinuityType. |
| extern const char *const kIStreamListenerKeyDiscontinuityMask; |
| |
| // When signalling a discontinuity to ATSParser you can optionally |
| // specify an int64_t PTS timestamp in "extra". |
| // If present, rendering of data following the discontinuity |
| // will be suppressed until media time reaches this timestamp. |
| extern const char *const kATSParserKeyResumeAtPTS; |
| |
| // When signalling a discontinuity to ATSParser you can optionally |
| // specify an int64_t PTS timestamp in "extra". |
| // It indicates the media time (in us) to be associated |
| // with the next PTS occuring in the stream. The value is of type int64_t. |
| extern const char *const kATSParserKeyMediaTimeUs; |
| |
| // When signalling a discontinuity to ATSParser you can optionally |
| // specify an int64_t PTS timestamp in "extra". |
| // It indicates the media time (in us) of a recent |
| // sample from the same content, and is used as a hint for the parser to |
| // handle PTS wraparound. This is required when a new parser is created |
| // to continue parsing content from the same timeline. |
| extern const char *const kATSParserKeyRecentMediaTimeUs; |
| |
| } // namespace android |
| |
| #endif // MEDIA_KEYS_H_ |
