139 lines
2.6 KiB
Objective-C
139 lines
2.6 KiB
Objective-C
//
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// WMADecoder.m
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// WMA
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//
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// Created by Andre Reffhaug on 2/26/08.
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// Copyright 2008 __MyCompanyName__. All rights reserved.
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//
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// test
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#import "WMADecoder.h"
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#define ST_BUFF 2048
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@implementation WMADecoder
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- (BOOL)open:(id<CogSource>)s
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{
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source = [s retain];
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ic = NULL;
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av_register_all();
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int err, i;
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const char *filename = [[[source url] path] UTF8String];
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int st_buff;
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uint8_t *outbuf, *s_outbuf;
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NSLog(@"lolbots: %s", filename);
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err = av_open_input_file(&ic, filename, NULL, 0, NULL);
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if (err < 0)
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NSLog(@"Opening .WMA file failed horribly: %d", err);
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for(i = 0; i < ic->nb_streams; i++) {
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c = &ic->streams[i]->codec;
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if(c->codec_type == CODEC_TYPE_AUDIO)
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{
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NSLog(@"audio codec found");
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break;
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}
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}
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av_find_stream_info(ic);
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codec = avcodec_find_decoder(c->codec_id);
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if (!codec) {
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NSLog(@"codec not found");
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return NO;
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}
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if (avcodec_open(c, codec) < 0) {
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NSLog(@"could not open codec");
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return NO;
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}
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st_buff = ST_BUFF;
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outbuf = av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE);
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s_outbuf = av_malloc(st_buff);
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dump_format(ic, 0, filename, 0);
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if (ic->title[0] != '\0')
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NSLog(@"Title: %s", ic->title);
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if (ic->author[0] != '\0')
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NSLog(@"Author: %s", ic->author);
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if (ic->album[0] != '\0')
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NSLog(@"Album: %s", ic->album);
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if (ic->year != 0)
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NSLog(@"Year: %d", ic->year);
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if (ic->track != 0)
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NSLog(@"Track: %d", ic->track);
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if (ic->genre[0] != '\0')
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NSLog(@"Genre: %s", ic->genre);
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if (ic->copyright[0] != '\0')
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NSLog(@"Copyright: %s", ic->copyright);
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if (ic->comment[0] != '\0')
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NSLog(@"Comments: %s", ic->comment);
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NSLog(@"bitrate: %d", ic->bit_rate);
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return YES;
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}
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- (void)close
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{
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avcodec_close(c);
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av_close_input_file(ic);
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[source close];
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[source release];
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}
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- (int)readAudio:(void *)buf frames:(UInt32)frames
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{
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return 0;
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}
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- (long)seek:(long)frame
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{
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return 0;
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}
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- (NSDictionary *)properties
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{
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return [NSDictionary dictionaryWithObjectsAndKeys:
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[NSNumber numberWithInt:channels], @"channels",
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[NSNumber numberWithInt:bitsPerSample], @"bitsPerSample",
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[NSNumber numberWithFloat:frequency], @"sampleRate",
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[NSNumber numberWithDouble:totalFrames], @"totalFrames",
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[NSNumber numberWithInt:bitrate], @"bitrate",
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[NSNumber numberWithBool:([source seekable] && seekable)], @"seekable",
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nil];
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}
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+ (NSArray *)fileTypes
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{
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return [NSArray arrayWithObjects:@"wma",nil];
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}
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+ (NSArray *)mimeTypes
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{
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return [NSArray arrayWithObjects:@"application/wma", @"application/x-wma", @"audio/x-wma", nil];
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}
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@end
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