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xmms-wma.c

/*  xmms-wma - WMA player for XMMS and BMP
 *
 *  Copyright (C) 2004,2005 McMCC <mcmcc@mail.ru>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
#ifndef __XMMS_WMA_C__
#define __XMMS_WMA_C__

#include <malloc.h>
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <pthread.h>

#ifdef BMP
#include <bmp/plugin.h>
#include <bmp/configfile.h>
#include <bmp/util.h>
#include <bmp/titlestring.h>
#else
#include <xmms/plugin.h>
#include <xmms/configfile.h>
#include <xmms/util.h>
#include <xmms/titlestring.h>
#endif

#ifdef HAVE_AV_CONFIG_H
#undef HAVE_AV_CONFIG_H
#endif

#include "avcodec.h"
#include "avformat.h"
#include "iir.h"

#define ABOUT_TXT "Copyright (C) 2004,2005 Mokrushin I.V. aka McMCC (mcmcc@mail.ru).\n \
This plugin based on source code " LIBAVCODEC_IDENT "\nby Fabrice Bellard from \
http://ffmpeg.sourceforge.net.\n\n \
This program is free software; you can redistribute it and/or modify \n \
it under the terms of the GNU General Public License as published by \n \
the Free Software Foundation; either version 2 of the License, or \n \
(at your option) any later version. \n\n \
This program is distributed in the hope that it will be useful, \n \
but WITHOUT ANY WARRANTY; without even the implied warranty of \n \
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. \n \
See the GNU General Public License for more details.\n"
#ifdef BMP
#define NAME "BEEPMP-WMA"
#else
#define NAME "XMMS-WMA"
#endif
#define VERSION "v.1.0.5"
#define ST_BUFF 1024

static GtkWidget *dialog1, *button1, *label1;
static GtkWidget *dialog, *button, *label;
static gboolean wma_decode = 0;
static gboolean wma_pause = 0;
static gboolean wma_eq_on = 0;
static int wma_seekpos = -1;
static int wma_st_buff, wma_idx;
static pthread_t wma_decode_thread;
static pthread_mutex_t  wma_mutex = PTHREAD_MUTEX_INITIALIZER;
static AVCodecContext *c = NULL;
static AVFormatContext *ic = NULL;
static uint8_t *wma_outbuf, *wma_s_outbuf;

char description[64];
static void wma_about(void);
static void wma_init(void);
static int wma_is_our_file(char *filename);
static void wma_play_file(char *filename);
static void wma_stop(void);
static void wma_seek(int time);
static void wma_do_pause(short p);
static int wma_get_time(void);
static void wma_get_song_info(char *filename, char **title, int *length);
static void wma_file_info_box(char *filename); 
static void wma_set_eq(int q_on, float q_preamp, float *q_bands);
static char *wsong_title;
static int wsong_time;

InputPlugin *get_iplugin_info(void);

InputPlugin wma_ip =
{
    NULL,               // Filled in by xmms
    NULL,               // Filled in by xmms
    description,        // The description that is shown in the preferences box
    wma_init,           // Called when the plugin is loaded
    wma_about,          // Show the about box
    NULL,         // Show the configure box
    wma_is_our_file,    // Return 1 if the plugin can handle the file
    NULL,               // Scan dir
    wma_play_file,      // Play file
    wma_stop,           // Stop
    wma_do_pause,       // Pause
    wma_seek,           // Seek
    wma_set_eq,         // Set the equalizer, most plugins won't be able to do this
    wma_get_time,       // Get the time, usually returns the output plugins output time
    NULL,               // Get volume
    NULL,               // Set volume
    NULL,               // OBSOLETE!
    NULL,               // OBSOLETE!
    NULL,               // Send data to the visualization plugins
    NULL,               // Fill in the stuff that is shown in the player window
    NULL,               // Show some text in the song title box. Filled in by xmms
    wma_get_song_info,  // Function to grab the title string
    wma_file_info_box,  // Bring up an info window for the filename passed in
    NULL                // Handle to the current output plugin. Filled in by xmms
};

InputPlugin *get_iplugin_info(void)
{
    memset(description, 0, 64);
    wma_ip.description = g_strdup_printf("WMA Player %s", VERSION);
    return &wma_ip;
}

#ifdef BMP
static gchar *str_twenty_to_space(gchar * str)
{
    gchar *match, *match_end;

    g_return_val_if_fail(str != NULL, NULL);

    while ((match = strstr(str, "%20"))) {
        match_end = match + 3;
        *match++ = ' ';
        while (*match_end)
            *match++ = *match_end++;
        *match = 0;
    }

    return str;
}
#endif

static void wma_about(void) 
{
    char *title;
    char *message;

    if (dialog1) return;
    
    title = (char *)g_malloc(80);
    message = (char *)g_malloc(1000);
    memset(title, 0, 80);
    memset(message, 0, 1000);

    sprintf(title, "About %s", NAME);
    sprintf(message, "%s %s\n\n%s", NAME, VERSION, ABOUT_TXT);

    dialog1 = gtk_dialog_new();
    gtk_signal_connect(GTK_OBJECT(dialog1), "destroy",
                        GTK_SIGNAL_FUNC(gtk_widget_destroyed), &dialog1);
    gtk_window_set_title(GTK_WINDOW(dialog1), title);
    gtk_window_set_policy(GTK_WINDOW(dialog1), FALSE, FALSE, FALSE);
    gtk_container_border_width(GTK_CONTAINER(dialog1), 5);
    label1 = gtk_label_new(message);
    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog1)->vbox), label1, TRUE, TRUE, 0);
    gtk_widget_show(label1);

    button1 = gtk_button_new_with_label(" Close ");
    gtk_signal_connect_object(GTK_OBJECT(button1), "clicked",
                              GTK_SIGNAL_FUNC(gtk_widget_destroy),
                              GTK_OBJECT(dialog1));
    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog1)->action_area), button1,
                     FALSE, FALSE, 0);

    gtk_widget_show(button1);
    gtk_widget_show(dialog1);
    gtk_widget_grab_focus(button1);
    g_free(title);
    g_free(message);
}

static void wma_init(void)
{
    avcodec_init();
    avcodec_register_all();
    av_register_all();
    init_iir();
}

static int wma_is_our_file(char *filename)
{
    gchar *ext;
    ext = strrchr(filename, '.');
    if(ext)
        if(!strcasecmp(ext, ".wma"))
            return 1;
    return 0;
}

static void wma_do_pause(short p)
{
    wma_pause = p;
    wma_ip.output->pause(wma_pause);
}

static void wma_seek(int time) 
{
    wma_seekpos = time;
    if(wma_pause) wma_ip.output->pause(0);
    while(wma_decode && wma_seekpos!=-1) xmms_usleep(10000);
    if(wma_pause) wma_ip.output->pause(1);
}

static int wma_get_time(void)
{
    wma_ip.output->buffer_free();
    if(wma_decode) return wma_ip.output->output_time();
    return -1;
}

static void wma_set_eq(int q_on, float q_preamp, float *q_bands)
{
    int chn;
    int index;
    float value;

    wma_eq_on = q_on;
    if(wma_eq_on)
    {
      q_preamp = q_preamp/1.6;
        for(chn = 0; chn < c->channels; chn++)
            preamp[chn] = 1.0 + 0.0932471 * q_preamp + 0.00279033 * q_preamp * q_preamp;
        for(index = 0; index < 10; index++)
        {
            value = q_bands[index]/1.2;
            for(chn = 0; chn < c->channels; chn++)
                gain[index][chn] = 0.03 * value + 0.000999999 * value * value;
        }
    }
}

static gchar *extname(const char *filename)
{
    gchar *ext = strrchr(filename, '.');
    if(ext != NULL) ++ext;
    return ext;
}

static char *slashkill(gchar *fullname)
{
    gchar *splitname = strrchr(fullname, '/');
    if(splitname != NULL) ++splitname;
    return splitname;
}

static char* w_getstr(char* str)
{
    if(str && strlen(str) > 0) return str;
    return NULL;
}

static gchar *get_song_title(AVFormatContext *in, gchar * filename)
{
    gchar *ret = NULL;
    TitleInput *input;

#ifdef BMP
    input = bmp_title_input_new();
#else
    XMMS_NEW_TITLEINPUT(input);
#endif
    
    if((in->title[0] != '\0') || (in->author[0] != '\0') || (in->album[0] != '\0') ||
       (in->comment[0] != '\0') || (in->genre[0] != '\0') || (in->year != 0) || (in->track != 0))
    { 
      input->performer = w_getstr(in->author);
      input->album_name = w_getstr(in->album);
      input->track_name = w_getstr(in->title);
      input->year = in->year;
      input->track_number = in->track;
      input->genre = w_getstr(in->genre);
      input->comment = w_getstr(in->comment);
    }
#ifdef BMP
    input->file_name = g_path_get_basename(filename);
    input->file_path = g_path_get_dirname(filename);
#else
    input->file_name = g_basename(filename);
    input->file_path = filename;
#endif
    input->file_ext = extname(filename);
    ret = xmms_get_titlestring(xmms_get_gentitle_format(), input);
    if(input) g_free(input);

    if(!ret)
    {
#ifdef BMP
          ret = g_strdup(input->file_name);
#else
            ret = g_strdup(g_basename(filename));
#endif
            if (extname(ret) != NULL)
                    *(extname(ret) - 1) = '\0';
    }
    return ret;
}

static guint get_song_time(AVFormatContext *in)
{
    if(in->duration)
      return in->duration/1000;
    else
      return 0;
}

static void wma_get_song_info(char *filename, char **title_real, int *len_real)
{
    AVFormatContext *in = NULL;
    
    (*len_real) = -1;
    (*title_real) = NULL;

#ifdef BMP
    if (av_open_input_file(&in, str_twenty_to_space(filename), NULL, 0, NULL) < 0)
      return;
#else
    if (av_open_input_file(&in, filename, NULL, 0, NULL) < 0)
      return;
#endif
      
    av_find_stream_info(in);
    (*len_real) = get_song_time(in);
    (*title_real) = get_song_title(in, filename);
    av_close_input_file(in);
}

static void wma_playbuff(int out_size)
{
    FifoBuffer f;
    int sst_buff;
    
    fifo_init(&f, out_size*2);
    fifo_write(&f, wma_outbuf, out_size, &f.wptr);
    while(!fifo_read(&f, wma_s_outbuf, wma_st_buff, &f.rptr) && wma_decode)
    {
        if(wma_eq_on)
            sst_buff = iir((gpointer)&wma_s_outbuf, wma_st_buff);
        else
          sst_buff = wma_st_buff;
      if(wma_pause) memset(wma_s_outbuf, 0, sst_buff);      
      while(wma_ip.output->buffer_free() < wma_st_buff) xmms_usleep(20000);
      if(wma_seekpos == -1)
          wma_ip.add_vis_pcm(wma_ip.output->written_time(), FMT_S16_NE,
                                  c->channels, sst_buff, (short *)wma_s_outbuf);
      wma_ip.output->write_audio((short *)wma_s_outbuf, sst_buff);
      memset(wma_s_outbuf, 0, sst_buff);
    }
    fifo_free(&f);
    return;
}

static void *wma_play_loop(void *arg)
{
    uint8_t *inbuf_ptr;
    int out_size, size, len;
    AVPacket pkt;
    
    pthread_mutex_lock(&wma_mutex);
    while(wma_decode){

      if(wma_seekpos != -1)
      {
          av_seek_frame(ic, wma_idx, wma_seekpos * 1000000LL);
          wma_ip.output->flush(wma_seekpos * 1000);
          wma_seekpos = -1;
      }

        if(av_read_frame(ic, &pkt) < 0) break;

        size = pkt.size;
        inbuf_ptr = pkt.data;
      
        if(size == 0) break;
      
        while(size > 0){
            len = avcodec_decode_audio(c, (short *)wma_outbuf, &out_size,
                                       inbuf_ptr, size);
          if(len < 0) break;
          
            if(out_size <= 0) continue;

          wma_playbuff(out_size);

            size -= len;
            inbuf_ptr += len;
            if(pkt.data) av_free_packet(&pkt);
        }
    }
    while(wma_decode && wma_ip.output->buffer_playing()) xmms_usleep(30000);
    wma_decode = 0;
    if(wma_s_outbuf) g_free(wma_s_outbuf);
    if(wma_outbuf) g_free(wma_outbuf);
    if(pkt.data) av_free_packet(&pkt);
    if(c) avcodec_close(c);
    if(ic) av_close_input_file(ic);
    pthread_mutex_unlock(&wma_mutex);
    pthread_exit(NULL);
}

static void wma_play_file(char *filename) 
{
    AVCodec *codec;
    
#ifdef BMP
    if(av_open_input_file(&ic, str_twenty_to_space(filename), NULL, 0, NULL) < 0) return;
#else
    if(av_open_input_file(&ic, filename, NULL, 0, NULL) < 0) return;
#endif
    
    for(wma_idx = 0; wma_idx < ic->nb_streams; wma_idx++) {
        c = &ic->streams[wma_idx]->codec;
        if(c->codec_type == CODEC_TYPE_AUDIO) break;
    }

    av_find_stream_info(ic);

    codec = avcodec_find_decoder(c->codec_id);

    if(!codec) return;
      
    if(avcodec_open(c, codec) < 0) return;
                
    wsong_title = get_song_title(ic, filename);
    wsong_time = get_song_time(ic);

    if(wma_ip.output->open_audio( FMT_S16_NE, c->sample_rate, c->channels) <= 0) return;

    wma_st_buff  = ST_BUFF;
      
    wma_ip.set_info(wsong_title, wsong_time, c->bit_rate, c->sample_rate, c->channels);

    wma_s_outbuf = g_malloc0(wma_st_buff);
    wma_outbuf = g_malloc0(AVCODEC_MAX_AUDIO_FRAME_SIZE);
    wma_seekpos = -1;
    wma_decode = 1;
    pthread_create(&wma_decode_thread, NULL, wma_play_loop, NULL);
}

static void wma_stop(void) 
{
    wma_decode = 0;
    if(wma_pause) wma_do_pause(0);
    pthread_join(wma_decode_thread, NULL);
    wma_ip.output->close_audio();
}     

static void wma_file_info_box (char *filename) 
{
    char *title;
    char *tmp;
    char *message;
    AVFormatContext *in = NULL;
    AVCodecContext *s = NULL;
    AVCodec *codec;
    int tns, thh, tmm, tss, i;

    if(dialog) return;

#ifdef BMP
    if(av_open_input_file(&in, str_twenty_to_space(filename), NULL, 0, NULL) < 0) return;
#else
    if(av_open_input_file(&in, filename, NULL, 0, NULL) < 0) return;
#endif

    for(i = 0; i < in->nb_streams; i++) {
        s = &in->streams[i]->codec;
        if(s->codec_type == CODEC_TYPE_AUDIO) break;
    }
      
    av_find_stream_info(in);
    codec = avcodec_find_decoder(s->codec_id);

    title = (char *)g_malloc(15);
    message = (char *)g_malloc(10000);
    tmp = (char *)g_malloc(256);
    memset(tmp, 0, 256);
    memset(title, 0, 15);
    memset(message, 0, 10000);

    strcpy(message, "\n\n\n");
    strcat(message, "File Name: ");
    strcat(message, slashkill(filename));
    strcat(message, "\n\n");
    strcat(message, "Audio Info:\n");
    strcat(message, "WMA Version: ");
    strcat(message, codec->name);
    strcat(message, "\n");
    strcat(message, "Bitrate: ");
    sprintf(tmp, "%d", s->bit_rate / 1000);
    strcat(message, tmp);
    memset(tmp, 0, 256);
    strcat(message, " kb/s");
    strcat(message, "\n");
    strcat(message, "Samplerate: ");
    sprintf(tmp, "%d", s->sample_rate);
    strcat(message, tmp);
    memset(tmp, 0, 256);
    strcat(message, " Hz");
    strcat(message, "\n");
    strcat(message, "Channels: ");
    if(s->channels == 1)
      strcat(message, "MONO\n");
    else
      strcat(message, "STEREO\n");
    if (in->duration != 0)
    {
        tns = in->duration/1000000LL;
        thh = tns/3600;
        tmm = (tns%3600)/60;
        tss = (tns%60);
      strcat(message, "Play Time: ");
      sprintf(tmp, "%2d:%02d:%02d",thh, tmm, tss);
        strcat(message, tmp);
      memset(tmp, 0, 256);
      strcat(message, "\n");
    }
    strcat(message, "\n");
    strcat(message, "Text Info:\n");
    if (in->title[0] != '\0')
    {
      strcat(message, "Title: ");
      strcat(message, in->title);
      strcat(message, "\n");
    } 
    if (in->author[0] != '\0')
    {
      strcat(message, "Author: ");
      strcat(message, in->author);
      strcat(message, "\n");
    } 
    if (in->album[0] != '\0')
    {
      strcat(message, "Album: ");
      strcat(message, in->album);
      strcat(message, "\n");
    }
    if (in->year != 0)
    {
      strcat(message, "Year: ");
      sprintf(tmp, "%d", in->year);
      strcat(message, tmp);
      memset(tmp, 0, 256);
      strcat(message, "\n");
    }
    if (in->track != 0)
    {
      strcat(message, "Track: ");
      sprintf(tmp, "%d", in->track);
      strcat(message, tmp);
      memset(tmp, 0, 256);
      strcat(message, "\n");
    }
    if (in->genre[0] != '\0')
    {
      strcat(message, "Genre: ");
      strcat(message, in->genre);
      strcat(message, "\n");
    }
    if (in->comment[0] != '\0')
    {
      strcat(message, "Comments: ");
      strcat(message, in->comment);
      strcat(message, "\n");
    }
    if (in->copyright[0] != '\0')
    {
      strcat(message, "Copyright: ");
      strcat(message, in->copyright);
      strcat(message, "\n");
    }
    strcat(message, "\n\n");
    strcpy(title, "WMA file info:");
    
    if(tmp) g_free(tmp);
    if(in) av_close_input_file(in);

    dialog = gtk_dialog_new();
    gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
                        GTK_SIGNAL_FUNC(gtk_widget_destroyed), &dialog);
    gtk_window_set_title(GTK_WINDOW(dialog), title);
    gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
    gtk_container_border_width(GTK_CONTAINER(dialog), 5);
    label = gtk_label_new(message);
    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), label, TRUE, TRUE, 0);
    gtk_widget_show(label);

    button = gtk_button_new_with_label(" Close ");
    gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
                              GTK_SIGNAL_FUNC(gtk_widget_destroy),
                              GTK_OBJECT(dialog));
    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area), button,
                     FALSE, FALSE, 0);

    gtk_widget_show(button);
    gtk_widget_show(dialog);
    gtk_widget_grab_focus(button);
    g_free(title);
    g_free(message);
}

#endif

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