Skip to content

fix convert lost issue #3

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

fix convert lost issue #3

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 18 additions & 8 deletions RecorderDemo/RecorderDemo/ConvertAudio/ConvertAudioFile.m
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@

@interface ConvertAudioFile ()
@property (nonatomic, assign) BOOL stopRecord;
@property (nonatomic, assign) BOOL isSleep;
@end

@implementation ConvertAudioFile
Expand Down Expand Up @@ -44,12 +43,12 @@ - (void)conventToMp3WithCafFilePath:(NSString *)cafFilePath
callback:(void(^)(BOOL result))callback
{

NSLog(@"convert begin!!");
NSLog(@"convert begin!!");
__weak typeof(self) weakself = self;
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{

weakself.stopRecord = NO;

@try {

int read, write;
Expand All @@ -64,13 +63,21 @@ - (void)conventToMp3WithCafFilePath:(NSString *)cafFilePath

lame_t lame = lame_init();
lame_set_in_samplerate(lame, sampleRate);
lame_set_num_channels(lame, 1);
lame_set_VBR(lame, vbr_default);
lame_set_VBR_q(lame, 9);
lame_init_params(lame);

long curpos;
BOOL isSkipPCMHeader = NO;

do {
if (pcm == nil || mp3 == nil) {
[NSThread sleepForTimeInterval:0.05];
pcm = fopen([cafFilePath cStringUsingEncoding:NSASCIIStringEncoding], "rb");
mp3 = fopen([mp3FilePath cStringUsingEncoding:NSASCIIStringEncoding], "wb+");
continue;
}
curpos = ftell(pcm);
long startPos = ftell(pcm);
fseek(pcm, 0, SEEK_END);
Expand All @@ -92,16 +99,19 @@ - (void)conventToMp3WithCafFilePath:(NSString *)cafFilePath
write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE);
fwrite(mp3_buffer, write, 1, mp3);
NSLog(@"read %d bytes", write);
weakself.isSleep = NO;
} else {
weakself.isSleep = YES;
[NSThread sleepForTimeInterval:0.05];
NSLog(@"sleep");
}

} while (!weakself.stopRecord || !weakself.isSleep);
} while (! weakself.stopRecord);

read = (int)fread(pcm_buffer, 2 * sizeof(short int), PCM_SIZE, pcm);
write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE);
fwrite(mp3_buffer, write, 1, mp3);

write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE);
fwrite(mp3_buffer, write, 1, mp3);

NSLog(@"read %d bytes and flush to mp3 file", write);
lame_mp3_tags_fid(lame, mp3);
Expand Down Expand Up @@ -170,7 +180,7 @@ + (void)conventToMp3WithCafFilePath:(NSString *)cafFilePath

read = (int)fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm);
if (read == 0) {
write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE);
write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE);

} else {
write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE);
Expand Down