WhyCan Forum(哇酷开发者社区)

root@SnailPi:~/packet/arm-NES-linux-master/linux# ./InfoNES ~/game/h1.nes 
/dev/input/event0 dev not found 
fb width:320 height:240 
Sound Hardware Init ----
sound Init
sound Open------
ALSA lib dlmisc.c:170:(snd_dlsym_verify) unable to verify version for symbol snd_func_private_integer
ALSA lib conf.c:4556:(_snd_config_evaluate) symbol snd_func_private_integer is not defined inside (null)
ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such device or address
ALSA lib conf.c:3694:(snd_config_hook_load) Unable to expand filenames in the pre-load section
ALSA lib conf.c:3572:(snd_config_hooks_call) function snd_config_hook_load_for_all_cards returned error: No such device or address
Sound Hardware Init doen!!----

/*===================================================================*/
/*                                                                   */
/*        InfoNES_SoundOpen() : Sound Open                           */
/*                                                                   */
/*===================================================================*/
int InfoNES_SoundOpen( int samples_per_sync, int sample_rate )
{

    printf("open 1\n");
	//sample_rate 采样率 44100
	//samples_per_sync  735
	unsigned int rate      = sample_rate;
	snd_pcm_hw_params_t *hw_params;
	
	if(0 > snd_pcm_open(&playback_handle, "default", SND_PCM_STREAM_PLAYBACK, 0)) 
	{
		printf("snd_pcm_open err\n");
		return -1;
	}
	    printf("open 2\n");
	if(0 > snd_pcm_hw_params_malloc(&hw_params))
	{
		printf("snd_pcm_hw_params_malloc err\n");
		return -1;
	}
	    printf("open 3\n");
	if(0 > snd_pcm_hw_params_any(playback_handle, hw_params))
	{
		printf("snd_pcm_hw_params_any err\n");
		return -1;
	}
	    printf("open 4\n");
	if(0 > snd_pcm_hw_params_set_access(playback_handle, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) 
	{
		printf("snd_pcm_hw_params_any err\n");
		return -1;
	}
    printf("open 5\n");
	//8bit PCM 数据
	if(0 > snd_pcm_hw_params_set_format(playback_handle, hw_params, SND_PCM_FORMAT_U8))
	{
		printf("snd_pcm_hw_params_set_format err\n");
		return -1;
	}
    printf("open 6\n");
	if(0 > snd_pcm_hw_params_set_rate_near(playback_handle, hw_params, &rate, 0)) 
	{
		printf("snd_pcm_hw_params_set_rate_near err\n");
		return -1;
	}
    printf("open 7\n");
	//单声道 非立体声
	if(0 > snd_pcm_hw_params_set_channels(playback_handle, hw_params, 1))
	{
		printf("snd_pcm_hw_params_set_channels err\n");
		return -1;
	}
    printf("open 8\n");
	if(0 > snd_pcm_hw_params(playback_handle, hw_params)) 
	{
		printf("snd_pcm_hw_params err\n");
		return -1;
	}
	    printf("open 9\n");
	snd_pcm_hw_params_free(hw_params);
	
	if(0 > snd_pcm_prepare(playback_handle)) 
	{
		printf("snd_pcm_prepare err\n");
		return -1;
	}
	    printf("open 10\n");
	return 1;
}

root@SnailPi:~/packet/arm-NES-linux-master/linux# ./InfoNES ~/game/h1.nes 
/dev/input/event0 dev not found 
fb width:320 height:240 
open 1
ALSA lib dlmisc.c:170:(snd_dlsym_verify) unable to verify version for symbol snd_func_private_integer
ALSA lib conf.c:4556:(_snd_config_evaluate) symbol snd_func_private_integer is not defined inside (null)
ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such device or address
ALSA lib conf.c:3694:(snd_config_hook_load) Unable to expand filenames in the pre-load section
ALSA lib conf.c:3572:(snd_config_hooks_call) function snd_config_hook_load_for_all_cards returned error: No such device or address
open 2
open 3
open 4
open 5
open 6
open 7
open 8
open 9
open 10
^C