Program: 110358
Project: 110358
Buggy source:
/** 
 * Performs a track selection. <p> The call receives track   {@code selections} for each renderer, {@code mayRetainStreamFlags}indicating whether the existing   {@code SampleStream} can be retained for each selection, andthe existing  {@code stream}s themselves. The call will update   {@code streams} to reflect theprovided selections, clearing, setting and replacing entries as required. If an existing sample stream is retained but with the requirement that the consuming renderer be reset, then the corresponding flag in  {@code streamResetFlags} will be set to true. This flag will also be setif a new sample stream is created. <p> This method should only be called after the period has been prepared.
 * @param selections The renderer track selections.
 * @param mayRetainStreamFlags Flags indicating whether the existing sample stream can be retainedfor each selection. A  {@code true} value indicates that the selection is unchanged, andthat the caller does not require that the sample stream be recreated.
 * @param streams The existing sample streams, which will be updated to reflect the providedselections.
 * @param streamResetFlags Will be updated to indicate new sample streams, and sample streams thathave been retained but with the requirement that the consuming renderer be reset.
 * @param positionUs The current playback position in microseconds.
 */
void selectTracks(TrackSelection[] selections,boolean[] mayRetainStreamFlags,SampleStream[] streams,boolean[] streamResetFlags,long positionUs);

Fixed version (ground truth):
/** 
 * Performs a track selection. <p> The call receives track   {@code selections} for each renderer, {@code mayRetainStreamFlags}indicating whether the existing   {@code SampleStream} can be retained for each selection, andthe existing  {@code stream}s themselves. The call will update   {@code streams} to reflect theprovided selections, clearing, setting and replacing entries as required. If an existing sample stream is retained but with the requirement that the consuming renderer be reset, then the corresponding flag in  {@code streamResetFlags} will be set to true. This flag will also be setif a new sample stream is created. <p> This method should only be called after the period has been prepared.
 * @param selections The renderer track selections.
 * @param mayRetainStreamFlags Flags indicating whether the existing sample stream can be retainedfor each selection. A  {@code true} value indicates that the selection is unchanged, andthat the caller does not require that the sample stream be recreated.
 * @param streams The existing sample streams, which will be updated to reflect the providedselections.
 * @param streamResetFlags Will be updated to indicate new sample streams, and sample streams thathave been retained but with the requirement that the consuming renderer be reset.
 * @param positionUs The current playback position in microseconds.
 * @return The actual position at which the tracks were enabled, in microseconds.
 */
long selectTracks(TrackSelection[] selections,boolean[] mayRetainStreamFlags,SampleStream[] streams,boolean[] streamResetFlags,long positionUs);