mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 16:36:15 +00:00
85b7553d05
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14249 b3059339-0415-0410-9bf9-f77b7e298cf2
358 lines
9.4 KiB
C
358 lines
9.4 KiB
C
// This is not reentrant because of global static variables, but most of
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// the plugins are not reentrant either perhaps
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <dlfcn.h>
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#include <dirent.h>
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#include <inttypes.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "../m_option.h"
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#include "../libaf/af_format.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#define XMMS_PACKETSIZE 65536 // some plugins won't play if this is too small
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#include "demux_xmms_plugin.h"
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typedef struct {
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uint64_t spos; // stream position in number of output bytes from 00:00:00
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InputPlugin* ip;
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} xmms_priv_t;
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static pthread_mutex_t xmms_mutex;
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static int format = 0x1; // Raw PCM
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static char xmms_audiobuffer[XMMS_PACKETSIZE];
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static uint32_t xmms_channels;
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static uint32_t xmms_samplerate;
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static uint32_t xmms_afmt;
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static int xmms_length;
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static char *xmms_title=NULL;
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static uint32_t xmms_audiopos=0;
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static int xmms_playing=0;
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static xmms_priv_t *xmms_priv=NULL;
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static uint32_t xmms_byterate;
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static int64_t xmms_flushto=-1;
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// =========== mplayer xmms outputplugin stuff ==============
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static void disk_close(void) {}
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static void disk_pause(short p) {}
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static void disk_init(void) {}
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static void disk_flush(int time) {
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if (xmms_priv) xmms_flushto=time*((long long) xmms_byterate)/1000LL;
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}
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static int disk_free(void) { // vqf plugin sends more than it should
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return (XMMS_PACKETSIZE-xmms_audiopos<XMMS_PACKETSIZE/4 ? 0:XMMS_PACKETSIZE-xmms_audiopos-XMMS_PACKETSIZE/4);
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}
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static int disk_playing(void) {
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return 0; //?? maybe plugins wait on exit until oplugin is not playing?
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}
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static int disk_get_output_time(void) {
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if (xmms_byterate)
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return xmms_priv->spos*1000LL/((long long)xmms_byterate);
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else return 0;
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}
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static int disk_open(AFormat fmt, int rate, int nch) {
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switch (fmt) {
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case FMT_U8:
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xmms_afmt=AF_FORMAT_U8;
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break;
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case FMT_S8:
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xmms_afmt=AF_FORMAT_S8;
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break;
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case FMT_U16_LE:
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xmms_afmt=AF_FORMAT_U16_LE;
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break;
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case FMT_U16_NE:
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#if WORDS_BIGENDIAN
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xmms_afmt=AF_FORMAT_U16_BE;
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#else
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xmms_afmt=AF_FORMAT_U16_LE;
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#endif
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break;
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case FMT_U16_BE:
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xmms_afmt=AF_FORMAT_U16_BE;
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break;
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case FMT_S16_NE:
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xmms_afmt=AF_FORMAT_S16_NE;
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break;
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case FMT_S16_LE:
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xmms_afmt=AF_FORMAT_S16_LE;
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break;
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case FMT_S16_BE:
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xmms_afmt=AF_FORMAT_S16_BE;
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break;
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}
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xmms_samplerate=rate;
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xmms_channels=nch;
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return 1;
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}
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static void disk_write(void *ptr, int length) {
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if (!xmms_playing) return;
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pthread_mutex_lock(&xmms_mutex);
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if (xmms_flushto!=-1) {
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xmms_priv->spos=xmms_flushto;
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xmms_flushto=-1;
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xmms_audiopos=0;
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}
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xmms_priv->spos+= length;
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memcpy(&xmms_audiobuffer[xmms_audiopos],ptr,length);
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xmms_audiopos+=length;
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pthread_mutex_unlock(&xmms_mutex);
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}
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static OutputPlugin xmms_output_plugin =
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{
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NULL,
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NULL,
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"MPlayer output interface plugin ", /* Description */
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disk_init,
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NULL, /* about */
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NULL, /* configure */
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NULL, /* get_volume */
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NULL, /* set_volume */
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disk_open,
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disk_write,
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disk_close,
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disk_flush,
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disk_pause,
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disk_free,
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disk_playing,
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disk_get_output_time,
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disk_get_output_time //we pretend that everything written is played at once
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};
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// ==================== mplayer xmms inputplugin helper stuff =================
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static InputPlugin* input_plugins[100];
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static int no_plugins=0;
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/* Dummy functions */
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static InputVisType input_get_vis_type(){return 0;}
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static void input_add_vis_pcm(int time, AFormat fmt, int nch, int length, void *ptr){}
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static void input_set_info_text(char * text){}
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char *xmms_get_gentitle_format(){ return ""; }
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/* Dummy functions END*/
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static void input_set_info(char* title,int length, int rate, int freq, int nch){
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xmms_length=length;
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}
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static void init_plugins(){
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DIR *dir;
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struct dirent *ent;
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no_plugins=0;
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dir = opendir(XMMS_INPUT_PLUGIN_DIR);
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if (!dir) return;
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while ((ent = readdir(dir)) != NULL){
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char filename[strlen(XMMS_INPUT_PLUGIN_DIR)+strlen(ent->d_name)+4];
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void* handle;
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sprintf(filename,XMMS_INPUT_PLUGIN_DIR "/%s",ent->d_name);
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handle=dlopen(filename, RTLD_NOW);
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if(handle){
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void *(*gpi) (void);
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gpi=dlsym(handle, "get_iplugin_info");
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if(gpi){
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InputPlugin *p=gpi();
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printf("XMMS: found plugin: %s (%s)\n",ent->d_name,p->description);
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p->handle = handle;
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p->filename = strdup(filename);
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p->get_vis_type = input_get_vis_type;
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p->add_vis_pcm = input_add_vis_pcm;
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p->set_info = input_set_info;
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p->set_info_text = input_set_info_text;
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if(p->init) p->init();
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input_plugins[no_plugins++]=p;
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} else
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dlclose(handle);
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}
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}
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closedir(dir);
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}
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static void cleanup_plugins(){
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while(no_plugins>0){
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--no_plugins;
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printf("XMMS: Closing plugin %s\n",input_plugins[no_plugins]->filename);
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if(input_plugins[no_plugins]->cleanup)
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input_plugins[no_plugins]->cleanup();
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dlclose(input_plugins[no_plugins]->handle);
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}
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}
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// ============================ mplayer demuxer stuff ===============
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//extern void resync_audio_stream(sh_audio_t *sh_audio);
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int demux_xmms_open(demuxer_t* demuxer) {
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InputPlugin* ip = NULL;
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sh_audio_t* sh_audio;
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WAVEFORMATEX* w;
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xmms_priv_t *priv;
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int i;
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if (xmms_priv) return 0; // as I said, it's not reentrant :)
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init_plugins();
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for(i=0;i<no_plugins;i++){
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if (input_plugins[i]->is_our_file(demuxer->stream->url)){
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ip=input_plugins[i]; break;
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}
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}
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if(!ip) return 0; // no plugin to handle this...
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pthread_mutex_init(&xmms_mutex,NULL);
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xmms_priv=priv=(xmms_priv_t *)malloc(sizeof(xmms_priv_t));
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memset(priv,0,sizeof(xmms_priv_t));
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priv->ip=ip;
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memset(xmms_audiobuffer,0,XMMS_PACKETSIZE);
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xmms_channels=0;
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sh_audio = new_sh_audio(demuxer,0);
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sh_audio->wf = w = (WAVEFORMATEX*)malloc(sizeof(WAVEFORMATEX));
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w->wFormatTag = sh_audio->format = format;
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demuxer->movi_start = 0;
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demuxer->movi_end = 100;
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demuxer->audio->id = 0;
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demuxer->audio->sh = sh_audio;
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demuxer->priv=priv;
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sh_audio->ds = demuxer->audio;
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xmms_output_plugin.init();
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ip->output = &xmms_output_plugin;
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xmms_playing=1;
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ip->play_file(demuxer->stream->url);
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if (ip->get_song_info) ip->get_song_info(demuxer->stream->url,&xmms_title,&xmms_length);
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if (xmms_length<=0) demuxer->seekable=0;
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mp_msg(MSGT_DEMUX,MSGL_INFO,"Waiting for the XMMS plugin to start playback of '%s'...\n",demuxer->stream->url);
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while (xmms_channels==0) {
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usleep(10000);
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if(ip->get_time()<0) return 0;
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}
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sh_audio->sample_format= xmms_afmt;
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switch (xmms_afmt) {
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case AF_FORMAT_S16_LE:
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case AF_FORMAT_S16_BE:
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case AF_FORMAT_U16_LE:
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case AF_FORMAT_U16_BE:
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sh_audio->samplesize = 2;
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break;
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default:
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sh_audio->samplesize = 1;
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}
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w->wBitsPerSample = sh_audio->samplesize*8;
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w->nChannels = sh_audio->channels = xmms_channels;
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w->nSamplesPerSec = sh_audio->samplerate = xmms_samplerate;
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xmms_byterate = w->nAvgBytesPerSec = xmms_samplerate*sh_audio->channels*sh_audio->samplesize;
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w->nBlockAlign = sh_audio->samplesize*sh_audio->channels;
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w->cbSize = 0;
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return 1;
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}
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int demux_xmms_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
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sh_audio_t *sh_audio = demuxer->audio->sh;
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xmms_priv_t *priv=demuxer->priv;
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demux_packet_t* dp;
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if (xmms_length<=0) demuxer->seekable=0;
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else demuxer->seekable=1;
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while (xmms_audiopos<XMMS_PACKETSIZE/2) {
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if((priv->ip->get_time()<0) || !xmms_playing)
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return 0;
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usleep(1000);
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}
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pthread_mutex_lock(&xmms_mutex);
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dp = new_demux_packet(XMMS_PACKETSIZE/2);
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ds->pts = priv->spos / sh_audio->wf->nAvgBytesPerSec;
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ds->pos = priv->spos;
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memcpy(dp->buffer,xmms_audiobuffer,XMMS_PACKETSIZE/2);
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memcpy(xmms_audiobuffer,&xmms_audiobuffer[XMMS_PACKETSIZE/2],xmms_audiopos-XMMS_PACKETSIZE/2);
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xmms_audiopos-=XMMS_PACKETSIZE/2;
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pthread_mutex_unlock(&xmms_mutex);
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ds_add_packet(ds,dp);
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return 1;
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}
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void demux_xmms_seek(demuxer_t *demuxer,float rel_seek_secs,int flags){
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stream_t* s = demuxer->stream;
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sh_audio_t* sh_audio = demuxer->audio->sh;
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xmms_priv_t *priv=demuxer->priv;
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int32_t pos;
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if(priv->ip->get_time()<0) return;
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pos = (flags & 1) ? 0 : priv->spos / sh_audio->wf->nAvgBytesPerSec;
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if (flags & 2)
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pos+= rel_seek_secs*xmms_length;
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else
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pos+= rel_seek_secs;
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if (pos<0) pos=0;
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if (pos>=xmms_length) pos=xmms_length-1;
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priv->ip->seek((pos<0)?0:pos);
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priv->spos=pos * sh_audio->wf->nAvgBytesPerSec;
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sh_audio->delay=pos; //priv->spos / sh_audio->wf->nAvgBytesPerSec;
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}
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int demux_close_xmms(demuxer_t* demuxer) {
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xmms_priv_t *priv=demuxer->priv;
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xmms_playing=0;
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xmms_audiopos=0; // xmp on exit waits until buffer is free enough
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if (priv != NULL) {
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if (priv->ip != NULL)
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priv->ip->stop();
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free(priv); xmms_priv=demuxer->priv=NULL;
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}
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cleanup_plugins();
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return 1;
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}
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int demux_xmms_control(demuxer_t *demuxer,int cmd, void *arg){
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demux_stream_t *d_video=demuxer->video;
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sh_audio_t *sh_audio=demuxer->audio->sh;
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xmms_priv_t *priv=demuxer->priv;
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switch(cmd) {
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case DEMUXER_CTRL_GET_TIME_LENGTH:
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if (xmms_length<=0) return DEMUXER_CTRL_DONTKNOW;
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*((unsigned long *)arg)=(unsigned long)xmms_length/1000;
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return DEMUXER_CTRL_GUESS;
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case DEMUXER_CTRL_GET_PERCENT_POS:
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if (xmms_length<=0)
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return DEMUXER_CTRL_DONTKNOW;
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*((int *)arg)=(int)( priv->spos / (float)(sh_audio->wf->nAvgBytesPerSec) / xmms_length );
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return DEMUXER_CTRL_OK;
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default:
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return DEMUXER_CTRL_NOTIMPL;
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}
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}
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