hw/usb/dev-audio.c

2  * QEMU USB audio device
38 #include "audio/audio.h"
77     [STRING_PRODUCT]            = "QEMU USB Audio",
79     [STRING_CONFIG]             = "Audio Configuration",
80     [STRING_USBAUDIO_CONTROL]   = "Audio Device",
81     [STRING_INPUT_TERMINAL]     = "Audio Output Pipe",
82     [STRING_FEATURE_UNIT]       = "Audio Output Volume Control",
83     [STRING_OUTPUT_TERMINAL]    = "Audio Output Terminal",
84     [STRING_NULL_STREAM]        = "Audio Output - Disabled",
85     [STRING_REAL_STREAM]        = "Audio Output - 48 kHz Stereo",
89  * A USB audio device supports an arbitrary number of alternate
114  * A Basic Audio Device uses these specific values
232                    AS Audio Data Endpoint Descriptor */
395                    AS Audio Data Endpoint Descriptor */
448                    AS Audio Data Endpoint Descriptor */
501                    AS Audio Data Endpoint Descriptor */
656 #define TYPE_USB_AUDIO "usb-audio"
702         fprintf(stderr, "usb-audio: set interface %d\n", altset);  in usb_audio_set_output_altset()
782                 fprintf(stderr, "usb-audio: cn %d vol %04x\n", cn,  in usb_audio_set_control()
802             fprintf(stderr, "usb-audio: mute %d", s->out.vol.mute);  in usb_audio_set_control()
822         fprintf(stderr, "usb-audio: control transaction: "  in usb_audio_handle_control()
841                 fprintf(stderr, "usb-audio: fail: get control\n");  in usb_audio_handle_control()
856                 fprintf(stderr, "usb-audio: fail: set control\n");  in usb_audio_handle_control()
865             fprintf(stderr, "usb-audio: failed control transaction: "  in usb_audio_handle_control()
889         fprintf(stderr, "usb-audio: reset\n");  in usb_audio_handle_reset()
903         fprintf(stderr, "usb-audio: output overrun (%zd bytes)\n",  in usb_audio_handle_dataout()
919         fprintf(stderr, "usb-audio: failed data transaction: "  in usb_audio_handle_data()
930         fprintf(stderr, "usb-audio: destroy\n");  in usb_audio_unrealize()
1008     k->product_desc   = "QEMU USB Audio Interface";  in usb_audio_class_init()