Revision ec25f83b libavformat/spdifenc.c
libavformat/spdifenc.c  

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* the outputted IEC 61937 stream is higher. 
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* The repetition period is measured in IEC 60958 frames (4 bytes). 
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*/ 
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enum { 

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DTS4_REP_PER_512 = 0x0, 

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DTS4_REP_PER_1024 = 0x1, 

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DTS4_REP_PER_2048 = 0x2, 

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DTS4_REP_PER_4096 = 0x3, 

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DTS4_REP_PER_8192 = 0x4, 

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DTS4_REP_PER_16384 = 0x5, 

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}; 

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static int spdif_dts4_subtype(int period) 
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{ 
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switch (period) { 
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case 512: return DTS4_REP_PER_512;


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case 1024: return DTS4_REP_PER_1024;


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case 2048: return DTS4_REP_PER_2048;


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case 4096: return DTS4_REP_PER_4096;


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case 8192: return DTS4_REP_PER_8192;


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case 16384: return DTS4_REP_PER_16384;


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case 512: return 0x0;


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case 1024: return 0x1;


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case 2048: return 0x2;


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case 4096: return 0x3;


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case 8192: return 0x4;


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case 16384: return 0x5;


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} 
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return 1; 
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} 
...  ...  
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if (ctx>dtshd_fallback > 0) 
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ctx>dtshd_skip = sample_rate * ctx>dtshd_fallback / (blocks << 5); 
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else 
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/* skip permanently (1) or just once (0) */ 

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/* skip permanently (dtshd_fallback == 1) or just once 

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* (dtshd_fallback == 0) */ 

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ctx>dtshd_skip = 1; 
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} 
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if (ctx>dtshd_skip && core_size) { 
...  ...  
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ctx>out_bytes = sizeof(dtshd_start_code) + 2 + pkt_size; 
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ctx>length_code = ctx>out_bytes; 
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ctx>hd_buf = av_fast_realloc(ctx>hd_buf, &ctx>hd_buf_size, 

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ctx>out_bytes); 

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av_fast_malloc(&ctx>hd_buf, &ctx>hd_buf_size, ctx>out_bytes); 

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if (!ctx>hd_buf) 
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return AVERROR(ENOMEM); 
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