42 to_channels(struct config *config, void *output)  in to_channels()  argument
44 	uint8_t *in = config->buf;  in to_channels()
49 	for (byte = 0; byte < config->buffer_info.bytes;  in to_channels()
50 	    byte += config->sample_size) {  in to_channels()
55 		i = byte / config->sample_size;  in to_channels()
58 		channel = i % config->audio_info.max_channels;  in to_channels()
61 		offset = i / config->audio_info.max_channels;  in to_channels()
64 		index = (channel * config->chsamples + offset) *  in to_channels()
65 		    config->sample_size;  in to_channels()
68 		memcpy(out+index, in+byte, config->sample_size);  in to_channels()
76 to_interleaved(struct config *config, void *input)  in to_interleaved()  argument
78 	uint8_t *out = config->buf;  in to_interleaved()
83 	for (byte = 0; byte < config->buffer_info.bytes;  in to_interleaved()
84 	    byte += config->sample_size) {  in to_interleaved()
89 		index = byte / config->sample_size;  in to_interleaved()
92 		channel = index / config->chsamples;  in to_interleaved()
95 		offset = index % config->chsamples;  in to_interleaved()
98 		i = (config->audio_info.max_channels * offset + channel) *  in to_interleaved()
99 		    config->sample_size;  in to_interleaved()
102 		memcpy(out+i, in+byte, config->sample_size);  in to_interleaved()
109 	struct config config = {  in main()  local
118 	oss_init(&config);  in main()
119 	if (config.format != AFMT_S32_NE)  in main()
122 	bytes = config.buffer_info.bytes;  in main()
126 		if ((rc = read(config.fd, config.buf, bytes)) < bytes) {  in main()
132 		 * using config->buf, but this example tries to show the real  in main()
138 		to_channels(&config, channels);  in main()
139 		to_interleaved(&config, channels);  in main()
140 		if ((rc = write(config.fd, config.buf, bytes)) < bytes) {  in main()
147 	free(config.buf);  in main()
148 	close(config.fd);  in main()