| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_BASE_DEMUXER_MEMORY_LIMIT_H_ |
| #define MEDIA_BASE_DEMUXER_MEMORY_LIMIT_H_ |
| |
| #include <stddef.h> |
| |
| #include "build/build_config.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| // The maximum amount of data (in bytes) a demuxer can keep in memory, for a |
| // particular type of stream. |
| MEDIA_EXPORT size_t GetDemuxerStreamAudioMemoryLimit(); |
| MEDIA_EXPORT size_t GetDemuxerStreamVideoMemoryLimit(); |
| |
| // The maximum amount of data (in bytes) a demuxer can keep in memory overall. |
| MEDIA_EXPORT size_t GetDemuxerMemoryLimit(); |
| |
| namespace internal { |
| |
| // These values should not be used directly, they are selected by functions |
| // above based on platform capabilities. |
| |
| // Default audio memory limit: 12MB (5 minutes of 320Kbps content). |
| // Low audio memory limit: 2MB (1 minute of 256Kbps content). |
| constexpr size_t kDemuxerStreamAudioMemoryLimitDefault = 12 * 1024 * 1024; |
| constexpr size_t kDemuxerStreamAudioMemoryLimitLow = 2 * 1024 * 1024; |
| |
| // Default video memory limit: 150MB (5 minutes of 4Mbps content). |
| // Low video memory limit: 30MB (1 minute of 4Mbps content). |
| constexpr size_t kDemuxerStreamVideoMemoryLimitDefault = 150 * 1024 * 1024; |
| constexpr size_t kDemuxerStreamVideoMemoryLimitLow = 30 * 1024 * 1024; |
| |
| #if defined(OS_ANDROID) |
| // Special "very low" settings for 512MiB Android Go devices: |
| // * audio memory limit: 1MB (30 seconds of 256Kbps content). |
| // * video memory limit: 15MB (30 seconds of 4Mbps content). |
| constexpr size_t kDemuxerStreamAudioMemoryLimitVeryLow = 1 * 1024 * 1024; |
| constexpr size_t kDemuxerStreamVideoMemoryLimitVeryLow = 15 * 1024 * 1024; |
| #endif |
| |
| } // namespace internal |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_DEMUXER_MEMORY_LIMIT_H_ |