diff options
| -rw-r--r-- | src/library_openal.js | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/library_openal.js b/src/library_openal.js index fd382aa1..56ddf11a 100644 --- a/src/library_openal.js +++ b/src/library_openal.js @@ -58,9 +58,21 @@ var LibraryOpenAL = { entry.src = AL.currentContext.ctx.createBufferSource(); entry.src.buffer = entry.buffer; entry.src.connect(src.gain); - entry.src.start(startTime, offset); - + if (typeof(entry.src.start) !== 'undefined') { + entry.src.start(startTime, offset); + } else if (typeof(entry.src.noteOn) !== 'undefined') { + entry.src.noteOn(startTime); #if OPENAL_DEBUG + if (offset > 0) { + Runtime.warnOnce('The current browser does not support AudioBufferSourceNode.start(when, offset); method, so cannot play back audio with an offset '+offset+' secs! Audio glitches will occur!'); + } +#endif + } +#if OPENAL_DEBUG + else { + Runtime.warnOnce('Unable to start AudioBufferSourceNode playback! Not supported by the browser?'); + } + console.log('updateSource queuing buffer ' + i + ' for source ' + idx + ' at ' + startTime + ' (offset by ' + offset + ')'); #endif } @@ -204,6 +216,9 @@ var LibraryOpenAL = { } if (ctx) { + // Old Web Audio API (e.g. Safari 6.0.5) had aninconsistently named createGainNode function. + if (typeof(ctx.createGain) === 'undefined') ctx.createGain = ctx.createGainNode; + var gain = ctx.createGain(); gain.connect(ctx.destination); var context = { @@ -1283,16 +1298,16 @@ var LibraryOpenAL = { ret = 'Out of Memory'; break; case 0x1004 /* ALC_DEFAULT_DEVICE_SPECIFIER */: - if (typeof(AudioContext) == "function" || - typeof(webkitAudioContext) == "function") { + if (typeof(AudioContext) !== "undefined" || + typeof(webkitAudioContext) !== "undefined") { ret = 'Device'; } else { return 0; } break; case 0x1005 /* ALC_DEVICE_SPECIFIER */: - if (typeof(AudioContext) == "function" || - typeof(webkitAudioContext) == "function") { + if (typeof(AudioContext) !== "undefined" || + typeof(webkitAudioContext) !== "undefined") { ret = 'Device\0'; } else { ret = '\0'; |