diff options
Diffstat (limited to 'media/ffmpeg/ffmpeg_common.h')
| -rw-r--r-- | media/ffmpeg/ffmpeg_common.h | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h index 5ac0607..dec47df 100644 --- a/media/ffmpeg/ffmpeg_common.h +++ b/media/ffmpeg/ffmpeg_common.h @@ -12,6 +12,7 @@ #include "base/memory/singleton.h" #include "base/time.h" #include "media/base/channel_layout.h" +#include "media/base/media_export.h" #include "media/video/video_decode_engine.h" // Include FFmpeg header files. @@ -54,15 +55,15 @@ class ScopedPtrAVFreePacket { // For example if |timestamp| equals 11025 and |time_base| equals {1, 44100} // then the return value will be a base::TimeDelta for 0.25 seconds since that // is how much time 11025/44100ths of a second represents. -base::TimeDelta ConvertFromTimeBase(const AVRational& time_base, - int64 timestamp); +MEDIA_EXPORT base::TimeDelta ConvertFromTimeBase(const AVRational& time_base, + int64 timestamp); // Converts a base::TimeDelta into an int64 timestamp in |time_base| units. // For example if |timestamp| is 0.5 seconds and |time_base| is {1, 44100}, then // the return value will be 22050 since that is how many 1/44100ths of a second // represent 0.5 seconds. -int64 ConvertToTimeBase(const AVRational& time_base, - const base::TimeDelta& timestamp); +MEDIA_EXPORT int64 ConvertToTimeBase(const AVRational& time_base, + const base::TimeDelta& timestamp); VideoCodec CodecIDToVideoCodec(CodecID codec_id); CodecID VideoCodecToCodecID(VideoCodec video_codec); @@ -80,9 +81,9 @@ base::TimeDelta GetFrameDuration(AVStream* stream); // Returns true if a valid seek point was found after |timestamp| and // |seek_time| was set. Returns false if a seek point could not be // found or the parameters are invalid. -bool GetSeekTimeAfter(AVStream* stream, - const base::TimeDelta& timestamp, - base::TimeDelta* seek_time); +MEDIA_EXPORT bool GetSeekTimeAfter(AVStream* stream, + const base::TimeDelta& timestamp, + base::TimeDelta* seek_time); // Get the number of bytes required to play the stream over a specified // time range. This is an estimate based on the available index data. @@ -97,12 +98,12 @@ bool GetSeekTimeAfter(AVStream* stream, // |range_end| - The end time for the range covered by |bytes|. This may be // different than |end_time| if the index doesn't have data for // that exact time. |range_end| >= |end_time| -bool GetStreamByteCountOverRange(AVStream* stream, - const base::TimeDelta& start_time, - const base::TimeDelta& end_time, - int64* bytes, - base::TimeDelta* range_start, - base::TimeDelta* range_end); +MEDIA_EXPORT bool GetStreamByteCountOverRange(AVStream* stream, + const base::TimeDelta& start_time, + const base::TimeDelta& end_time, + int64* bytes, + base::TimeDelta* range_start, + base::TimeDelta* range_end); // Calculates the width and height of the video surface using the video's // encoded dimensions and sample_aspect_ratio. |