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author | hclam@chromium.org <hclam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-03-17 20:16:56 +0000 |
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committer | hclam@chromium.org <hclam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-03-17 20:16:56 +0000 |
commit | 8b2cec537f3678716180467ddffaf3caa4594777 (patch) | |
tree | 92262e0c53924d5f96d08cfae918730a16e024da /media/base/buffers.h | |
parent | ce34fe575bdff24570c078184e81373bd240069b (diff) | |
download | chromium_src-8b2cec537f3678716180467ddffaf3caa4594777.zip chromium_src-8b2cec537f3678716180467ddffaf3caa4594777.tar.gz chromium_src-8b2cec537f3678716180467ddffaf3caa4594777.tar.bz2 |
Revert tree bustage cause by r11904.
TBR=agl
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11906 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'media/base/buffers.h')
-rw-r--r-- | media/base/buffers.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/media/base/buffers.h b/media/base/buffers.h index dddc5d3..901a8a2 100644 --- a/media/base/buffers.h +++ b/media/base/buffers.h @@ -97,7 +97,7 @@ class StreamSample : public base::RefCountedThreadSafe<StreamSample> { class Buffer : public StreamSample { public: // Returns a read only pointer to the buffer data. - virtual const char* GetData() const = 0; + virtual const uint8* GetData() const = 0; // Returns the size of valid data in bytes. virtual size_t GetDataSize() const = 0; @@ -106,15 +106,18 @@ class Buffer : public StreamSample { class WritableBuffer : public Buffer { public: - // Returns a read-write pointer to the buffer data. - virtual char* GetWritableData() = 0; + // Returns a read-write pointer to the buffer data. When this method is + // called, any pointers previously returned from this method are invalid, and + // any data previously written to the buffer is invalid. The buffer size + // is guaranteed to be at least the size of |buffer_size|. The size + // that the GetDataSize() method will return is set to |buffer_size|. + // If, after filling the buffer, the caller wants to set the size to a smaller + // value then they can call the SetDataSize() method. + virtual uint8* GetWritableData(size_t buffer_size) = 0; // Updates the size of valid data in bytes, which must be less than or equal - // to GetBufferSize. + // to the |buffer_size| passed to GetWritableData(). virtual void SetDataSize(size_t data_size) = 0; - - // Returns the maximum allocated size for this buffer. - virtual size_t GetBufferSize() const = 0; }; |