AudioBackendLibao.cc File Reference

#include <Nsound/Nsound.h>
#include <Nsound/AudioBackendLibao.h>
#include <Nsound/AudioPlayback.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <string.h>
#include <stdio.h>
#include <ao/ao.h>

Include dependency graph for AudioBackendLibao.cc:

Go to the source code of this file.

Functions
std::string	print_info (ao_info *info)
static int32	integer (const std::string &x, Nsound::AudioBackend::State *state)
static std::string	lower (const std::string &x)

Variables
const char *	KSDATAFORMAT_SUBTYPE_PCM = "00000001-0000-0010-8000-00aa00389b71"
const uint32	N_DRIVER_TYPES = 13
std::string	driver_types [N_DRIVER_TYPES]

Function Documentation

std::string print_info

(

ao_info *

info

)

Definition at line 110 of file AudioBackendLibao.cc.

Referenced by Nsound::AudioBackendLibao::getInfo().

{
    std::stringstream ss;

    ss << "libao Driver Info:" << endl
        << "    type:       "  << info->type       << endl
        << "    name:       "  << info->name       << endl
        << "    short_name: "  << info->short_name << endl
        << "    comment:    "  << info->comment    << endl
        << "    preferred_byte_format: ";

    switch(info->preferred_byte_format)
    {
        case AO_FMT_LITTLE:
            ss << "Little Endian" << endl;
            break;

        case AO_FMT_BIG:
            ss << "Big Endian" << endl;
            break;

        case AO_FMT_NATIVE:

            if(ao_is_big_endian())
            {
                ss << "Native Big Endian" << endl;
            }
            else
            {
                ss << "Native Little Endian" << endl;
            }
            break;

        default:
            ss << "Unknown!" << endl;
            break;
    }

    ss << "    priority:   "   << info->priority     << endl
       << "    option count: " << info->option_count << endl;

    for(int32 i = 0; i < info->option_count; ++i)
    {
        ss << "    options[" << i << "]: " << info->options[i] << endl;
    }

    return ss.str();
}

static int32 integer ( const std::string &  x, Nsound::AudioBackend::State *  state  )

static

Definition at line 436 of file AudioBackendLibao.cc.

References Nsound::AudioBackend::BACKEND_ERROR, and M_THROW.

Referenced by Nsound::AudioBackendLibao::setOption().

{
    std::stringstream ss(x);
    int32 i = 0;

    ss >> i;

    if(ss.fail())
    {
        *state = AudioBackend::BACKEND_ERROR;
        M_THROW("Nsound::AudioBackendLibao::setOption():"
            << ": could not convert '"
            << x
            << "' to an integer.\n");
        return -1;
    }

    return i;
}

static std::string lower ( const std::string &  x )

static

Definition at line 458 of file AudioBackendLibao.cc.

Referenced by Nsound::AudioBackendLibao::setOption().

{
    std::string y = x;
    std::transform(y.begin(), y.end(), y.begin(), ::tolower);
    return y;
}

Variable Documentation

const char* KSDATAFORMAT_SUBTYPE_PCM = "00000001-0000-0010-8000-00aa00389b71"

Definition at line 52 of file AudioBackendLibao.cc.

const uint32 N_DRIVER_TYPES = 13

Definition at line 55 of file AudioBackendLibao.cc.

Referenced by Nsound::AudioBackendLibao::scanDevices().

std::string driver_types[N_DRIVER_TYPES]

Initial value:

=
{
    "alsa",
    "arts",
    "axis",
    "esd",
    "irix",
    "macosx",
    "nas",
    "oss",
    "pulse",
    "roar",
    "sndio",
    "sun",
    "wmm",
}

Definition at line 57 of file AudioBackendLibao.cc.

Referenced by Nsound::AudioBackendLibao::scanDevices().