void configure(avplay *play, void *param, int type)
{
if (type == AUDIO_RENDER)
{
if (play->m_ao_ctx)
{
free_audio_render(play->m_ao_ctx);
play->m_ao_ctx = NULL;
}
play->m_ao_ctx = (ao_context*)param;
}
if (type == VIDEO_RENDER)
{
if (play->m_vo_ctx) {
free_video_render(play->m_vo_ctx);
play->m_vo_ctx = NULL;
}
play->m_vo_ctx = (vo_context*)param;
}
if (type == MEDIA_SOURCE)
{
if (play->m_source_ctx)
{
play->m_source_ctx->close(play->m_source_ctx);
free_media_source(play->m_source_ctx);
}
play->m_source_ctx = (source_context*)param;
}
play->player->configure(param, type);
}
void free_avplay_context(avplay *ctx)
{
if (ctx->m_ao_ctx)
{
free_audio_render(ctx->m_ao_ctx);
ctx->m_ao_ctx = NULL;
}
if (ctx->m_vo_ctx) {
free_video_render(ctx->m_vo_ctx);
ctx->m_vo_ctx = NULL;
}
if (ctx->m_source_ctx) {
free_media_source(ctx->m_source_ctx);
ctx->m_source_ctx = NULL;
}
delete ctx->player;
free(ctx);
}
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);
int64_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;
}
// 为avplay创建demux.
demux_context *demux = alloc_demux_context();
configure(m_avplay, demux, MEDIA_DEMUX);
// 目前只有除youku之外, 都使用generic_demux.
if (media_type != MEDIA_TYPE_YK)
{
demux->init_demux = generic_init_demux;
demux->read_packet = generic_read_packet;
demux->seek_packet = generic_packet_seek;
demux->read_pause = generic_read_pause;
demux->read_play = generic_read_play;
demux->stream_index = generic_stream_index;
demux->query_avcodec_id = generic_query_avcodec_id;
demux->destory = generic_destory;
}
else
{
// TODO: 实现youku相关的demux.
break;
}
// 初始化avplay.
if (initialize(m_avplay, filename, media_type, demux) != 0)
{
::logger("initialize avplay failed!\n");
break;
}
// TODO: 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)
// {
// bt_source_info *bt_info = &m_avplay->m_source_ctx->info.bt;
// for (int i = 0; i < bt_info->info_size; i++)
// {
// std::string name = std::string(bt_info->info[i].file_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, render_type);
// 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.
if (m_avplay->m_video_ctx)
{
m_video_width = m_avplay->m_video_ctx->width;
m_video_height = m_avplay->m_video_ctx->height;
}
// 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;
}
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;
}