手機 - Blackberry Passport - Core Native (C/C++) - SDL v1.2 - Load Music

main.cpp

#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <SDL_ttf.h>
#include <SDL_image.h>
#include <SDL_mixer.h>

int main(int argc, char* args[])
{
    int loop = 1;
    SDL_Event event;

    if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
        printf("%s, failed to SDL_Init\n", __func__);
        return -1;
    }

    SDL_Surface* screen = NULL;
    screen = SDL_SetVideoMode(1440, 1440, 32, SDL_HWSURFACE | SDL_DOUBLEBUF);
    if (screen == NULL) {
        printf("%s, failed to SDL_SetVideMode\n", __func__);
        return -1;
    }

    if (Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 2, 4096) == -1) {
        printf("failed to Mix_OpenAudio\n");
        return -1;
    }

    SDL_ShowCursor(0);
    SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format, 0xff, 0x00, 0x00));
    SDL_Flip(screen);

    Mix_Music *music = Mix_LoadMUS("app/native/main.wav");
    if (music == NULL) {
        printf("failed to load main.wav\n");
        return -1;
    }
    if (Mix_PlayingMusic() == 0) {
        if (Mix_PlayMusic(music, -1) == -1) {
            printf("failed to Mix_PlayMuic\n");
            return -1;
        }
    }
    SDL_Delay(3000);
    Mix_HaltMusic();
    //Mix_PauseMusic();
    //Mix_ResumeMusic();
    SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format, 0x00, 0xff, 0x00));
    SDL_Flip(screen);

    Mix_Chunk *effect = Mix_LoadWAV("app/native/effect.wav");
    if (effect == NULL) {
        printf("failed to load effect.wav\n");
        return -1;
    }

    int cnt = 0;
    for (cnt = 0; cnt < 3; cnt++) {
        if (Mix_PlayChannel(-1, effect, 0) == -1) {
            printf("failed to play effect.wav\n");
            return -1;
        }
        SDL_Delay(1000);
    }
    SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format, 0x00, 0x00, 0xff));
    SDL_Flip(screen);

    Mix_FreeChunk(effect);
    Mix_FreeMusic(music);
    Mix_CloseAudio();
    SDL_Quit();
    return 0;    
}

bar-descriptor.xml

<?xml version="1.0" encoding="utf-8" standalone="no"?>
<qnx xmlns="http://www.qnx.com/schemas/application/1.0">
    <id>com.steward.sdl.ch11</id>
    <name>ch11</name>
    <filename>ch11</filename>
    <versionNumber>1.0.0</versionNumber>
    <buildId>1</buildId>
    <description>Lesson 11. Playing Sounds</description>

    <author>Steward</author>
    <authorId>gYAAgGE4qaHzBnzEAu8JKe4G1OI</authorId>

    <asset path="main" entry="true" type="Qnx/Elf">main</asset>
    <asset path="main.wav">main.wav</asset>
    <asset path="effect.wav">effect.wav</asset>
    <asset path="lib" type="Qnx/Elf">lib</asset>

    <permission system="true">run_native</permission>
    <permission>access_shared</permission>
    <permission>use_gamepad</permission>
    <permission>play_audio</permission>
    <env var="LD_LIBRARY_PATH" value="app/native/lib"/>
</qnx>

Makefile

main: main.cpp
	ntoarmv7-gcc main.cpp -g -o main lib/libSDL-1.2.so.11 -Iinclude lib/libSDL_image-1.2.so.8 lib/libSDL_ttf-2.0.so.10 lib/libSDL_mixer-1.2.so.12 $(QNX_TARGET)/lib/libwebp.a
	blackberry-nativepackager -package main.bar bar-descriptor.xml -devMode -debugToken ${HOME}/.rim/debugtoken_q30.bar

clean:
	rm -rf main
	rm -rf main.bar