BOOL player_impl::open(const char *movie, int media_type, int render_type)
{
// 如果未关闭原来的媒体, 则先关闭.
if (m_avplay || m_source)
close();
// 未创建窗口, 无法播放, 返回失败.
if (!IsWindow(m_hwnd))
return FALSE;
char filename[MAX_PATH];
int len = strlen(movie) + 1;
strcpy(filename, movie);
uint64_t file_lentgh = 0;
if (media_type == MEDIA_TYPE_FILE || media_type == MEDIA_TYPE_BT)
{
file_lentgh = file_size(movie);
if (file_lentgh < 0)
{
::logger("get file size failed!\n");
return FALSE;
}
}
do {
// 创建avplay.
m_avplay = alloc_avplay_context();
if (!m_avplay)
{
::logger("allocate avplay context failed!\n");
break;
}
// 根据打开的文件类型, 创建不同媒体源.
if (media_type == MEDIA_TYPE_FILE)
{
len = strlen(filename);
m_source = alloc_media_source(MEDIA_TYPE_FILE, filename, len + 1, file_lentgh);
if (!m_source)
{
::logger("allocate media source failed, type is file.\n");
break;
}
// 插入到媒体列表.
m_media_list.insert(std::make_pair(filename, filename));
// 初始化文件媒体源.
init_file_source(m_source);
}
if (media_type == MEDIA_TYPE_BT)
{
// 先读取bt种子数据, 然后作为附加数据保存到媒体源.
FILE *fp = fopen(filename, "r+b");
if (!fp)
{
::logger("open torrent file \'%s\' failed!\n", filename);
break;
}
char *torrent_data = (char*)malloc(file_lentgh);
int readbytes = fread(torrent_data, 1, file_lentgh, fp);
if (readbytes != file_lentgh)
{
::logger("read torrent file \'%s\' failed!\n", filename);
break;
}
m_source = alloc_media_source(MEDIA_TYPE_BT, torrent_data, file_lentgh, 0);
if (!m_source)
{
::logger("allocate media source failed, type is torrent.\n");
break;
}
free(torrent_data);
// 初始化torrent媒体源.
init_torrent_source(m_source);
}
if (media_type == MEDIA_TYPE_HTTP)
{
len = strlen(filename) + 1;
m_source = alloc_media_source(MEDIA_TYPE_HTTP, filename, len, 0);
if (!m_source)
{
::logger("allocate media source failed, type is http.\n");
break;
}
// 插入到媒体列表.
m_media_list.insert(std::make_pair(filename, filename));
}
if (media_type == MEDIA_TYPE_RTSP)
{
len = strlen(filename) + 1;
m_source = alloc_media_source(MEDIA_TYPE_RTSP, filename, len, 0);
if (!m_source)
{
::logger("allocate media source failed, type is rtsp.\n");
break;
}
// 插入到媒体列表.
m_media_list.insert(std::make_pair(filename, filename));
}
// 初始化avplay.
if (initialize(m_avplay, m_source) != 0)
{
::logger("initialize avplay failed!\n");
break;
}
// 如果是bt类型, 则在此得到视频文件列表, 并添加到m_media_list.
if (media_type == MEDIA_TYPE_BT)
{
int i = 0;
media_info *media = m_source->media;
for (; i < m_source->media_size; i++)
{
std::string name;
name = media->name;
m_media_list.insert(std::make_pair(filename, name));
}
}
// 分配音频和视频的渲染器.
m_audio = alloc_audio_render();
if (!m_audio)
{
::logger("allocate audio render failed!\n");
break;
}
m_video = alloc_video_render(m_hwnd);
if (!m_video)
{
::logger("allocate video render failed!\n");
break;
}
// 初始化音频和视频渲染器.
init_audio(m_audio);
init_video(m_video);
// 配置音频视频渲染器.
configure(m_avplay, m_video, VIDEO_RENDER);
configure(m_avplay, m_audio, AUDIO_RENDER);
// 得到视频宽高.
m_video_width = av_width(m_avplay);
m_video_height = av_height(m_avplay);
// 打开视频实时码率和帧率计算.
enable_calc_frame_rate(m_avplay);
enable_calc_bit_rate(m_avplay);
return TRUE;
} while (0);
if (m_avplay)
free_avplay_context(m_avplay);
m_avplay = NULL;
if (m_source)
free_media_source(m_source);
if (m_audio)
free_audio_render(m_audio);
if (m_video)
free_video_render(m_video);
::logger("open avplay failed!\n");
return FALSE;
}
static void analyze_file(const char *filename)
{
int fd, filekind;
u8 filesize;
struct stat sb;
char *reason;
SOURCE *s;
print_line(0, "--- %s", filename);
/* stat check */
if (stat(filename, &sb) < 0) {
errore("Can't stat %.300s", filename);
return;
}
filekind = 0;
filesize = 0;
reason = NULL;
if (S_ISREG(sb.st_mode)) {
filesize = sb.st_size;
print_kind(filekind, filesize, 1);
} else if (S_ISBLK(sb.st_mode))
filekind = 1;
else if (S_ISCHR(sb.st_mode))
filekind = 2;
else if (S_ISDIR(sb.st_mode))
reason = "Is a directory";
else if (S_ISFIFO(sb.st_mode))
reason = "Is a FIFO";
#ifdef S_ISSOCK
else if (S_ISSOCK(sb.st_mode))
reason = "Is a socket";
#endif
else
reason = "Is an unknown kind of special file";
if (reason != NULL) {
error("%.300s: %s", filename, reason);
return;
}
/* Mac OS type & creator code (if running on Mac OS X) */
#ifdef USE_MACOS_TYPE
if (filekind == 0)
show_macos_type(filename);
#endif
/* empty regular files need no further analysis */
if (filekind == 0 && filesize == 0)
return;
/* open for reading */
fd = open(filename, O_RDONLY);
if (fd < 0) {
errore("Can't open %.300s", filename);
return;
}
/* (try to) guard against TTY character devices */
if (filekind == 2) {
if (isatty(fd)) {
error("%.300s: Is a TTY device", filename);
return;
}
}
/* create a source */
s = init_file_source(fd, filekind);
/* tell the user what it is */
if (filekind != 0)
print_kind(filekind, s->size, s->size_known);
/* now analyze it */
analyze_source(s, 0);
/* finish it up */
close_source(s);
}
