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plurals

POffmpeg audio and the iphone
primarykey
Id
2163955
data
AcceptedAnswerId
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AnswerCount
1
ClosedDate
CommentCount
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CommunityOwnedDate
CreationDate
2010-01-29T17:52:57.893
FavoriteCount
1
LastActivityDate
2010-11-08T14:14:56.457
LastEditDate
LastEditorUserId
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OwnerUserId
262021
ParentId
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PostTypeId
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Score
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ViewCount
2550
LastEditorDisplayName
text
Body
has anyone been able to make ffmpeg work with audio queues, I get an error when I try to create the queue. <blockquote> ret = avcodec_open(enc, codec); if (ret < 0) { NSLog(@"Error: Could not open video decoder: %d", ret); av_close_input_file(avfContext); return; } if (audio_index >= 0) { AudioStreamBasicDescription audioFormat; audioFormat.mFormatID = -1; audioFormat.mSampleRate = avfContext->streams[audio_index]->codec->sample_rate; audioFormat.mFormatFlags = 0; switch (avfContext->streams[audio_index]->codec->codec_id) { case CODEC_ID_MP3: audioFormat.mFormatID = kAudioFormatMPEGLayer3; break; case CODEC_ID_AAC: audioFormat.mFormatID = kAudioFormatMPEG4AAC; audioFormat.mFormatFlags = kMPEG4Object_AAC_Main; break; case CODEC_ID_AC3: audioFormat.mFormatID = kAudioFormatAC3; break; default: break; } if (audioFormat.mFormatID != -1) { audioFormat.mBytesPerPacket = 0; audioFormat.mFramesPerPacket = avfContext->streams[audio_index]->codec->frame_size; audioFormat.mBytesPerFrame = 0; audioFormat.mChannelsPerFrame = avfContext->streams[audio_index]->codec->channels; audioFormat.mBitsPerChannel = 0; if (ret = AudioQueueNewOutput(&audioFormat, audioQueueOutputCallback, self, NULL, NULL, 0, &audioQueue)) { NSLog(@"Error creating audio output queue: %d", ret); < </blockquote> The issues only with the audio , Video is perfect if only I can figure out how to get audio queues to work. <a href="http://web.me.com/cannonwc/Site/Photos_6.html" rel="nofollow noreferrer">http://web.me.com/cannonwc/Site/Photos_6.html</a> I though of remoteio but there is'nt much doc on that. I will share the code for the complete class with anyone that helps me get it to work. The idea is to have a single view controller that plays any streaming video passed to it, similar to ffplay on the iphone but without the sdl overhead.
Tags
<iphone><ffmpeg><audio-streaming>
Title
ffmpeg audio and the iphone
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PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. This table or related slice is empty.
UserOwnerUserId
1. USmichelle
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PostLinksPostIdRelatedPostId
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PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
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 PTAnswer
VotesPostIdCreationDate
1. VO
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 PostPostId
 POffmpeg audio and the iphone
 UserUserId
 USRobin
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CommentsPostId
1. This table or related slice is empty.

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