MediaPlayer to OpiePlayer

1 files changed, 1 insertions, 1 deletions

diff --git a/core/multimedia/opieplayer/libmad/libmadplugin.cpp b/core/multimedia/opieplayer/libmad/libmadplugin.cpp
index 7bb6541..46f2450 100644
--- a/core/multimedia/opieplayer/libmad/libmadplugin.cpp
+++ b/core/multimedia/opieplayer/libmad/libmadplugin.cpp
@@ -1,766 +1,766 @@
 /**********************************************************************
 ** Copyright (C) 2001 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
 #include <ctype.h>
 #include <errno.h>
 #include <time.h>
 #include <locale.h>
 #include <math.h>
 #include <assert.h>
 #include <qapplication.h>
 #include <qpe/config.h>
 
 // for network handling
 #include <netinet/in.h>
 #include <netdb.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <unistd.h>
 
 
 //#define HAVE_MMAP
 
 #if defined(HAVE_MMAP)
 #   include <sys/mman.h>
 #endif
 #include "libmadplugin.h"
 
 
 extern "C" {
 #include "mad.h"
 }
 
 
 #define MPEG_BUFFER_SIZE    65536
 //#define MPEG_BUFFER_SIZE    32768 //16384 // 8192
 //#define debugMsg(a)     qDebug(a)
 #define debugMsg(a)
 
 
 class Input {
 public:
     char const *path;
     int fd;
 #if defined(HAVE_MMAP)
     void *fdm;
 #endif
     unsigned char *data;
     unsigned long length;
     int eof;
 };
 
 
 class Output {
 public:
     mad_fixed_t attenuate;
     struct filter *filters;
     unsigned int channels_in;
     unsigned int channels_out;
     unsigned int speed_in;
     unsigned int speed_out;
     const char *path;
 };
 
 
 # if defined(HAVE_MMAP)
 static void *map_file(int fd, unsigned long *length)
 {
   void *fdm;
 
   *length += MAD_BUFFER_GUARD;
 
   fdm = mmap(0, *length, PROT_READ, MAP_SHARED, fd, 0);
   if (fdm == MAP_FAILED)
     return 0;
 
 # if defined(HAVE_MADVISE)
   madvise(fdm, *length, MADV_SEQUENTIAL);
 # endif
 
   return fdm;
 }
 
 
 static int unmap_file(void *fdm, unsigned long length)
 {
   if (munmap(fdm, length) == -1)
     return -1;
 
   return 0;
 }
 # endif
 
 
 static inline QString tr( const char *str ) {
     // Apparently this is okay from a plugin as it runs in the process space of the owner of the plugin
     return qApp->translate( "OpiePlayer", str, "libmad strings for mp3 file info" );
 }
 
 
 class LibMadPluginData {
 public:
     Input input;
     Output output;
     int bad_last_frame;
     struct mad_stream stream;
     struct mad_frame frame;
     struct mad_synth synth;
     bool flush;
 };
 
 
 LibMadPlugin::LibMadPlugin() {
     d = new LibMadPluginData;
     d->input.fd = 0;
 #if defined(HAVE_MMAP)
     d->input.fdm = 0;
 #endif
     d->input.data = 0;
     d->flush = TRUE;
     info = tr( "No Song Open" );
 }
 
 
 LibMadPlugin::~LibMadPlugin() {
     close();
     delete d;
 }
 
 
 bool LibMadPlugin::isFileSupported( const QString& path ) {
     debugMsg( "LibMadPlugin::isFileSupported" );
 
     // Mpeg file extensions
     //  "mp2","mp3","m1v","m2v","m2s","mpg","vob","mpeg","ac3"
     // Other media extensions
     //  "wav","mid","mod","s3m","ogg","avi","mov","sid"
 
     char *ext = strrchr( path.latin1(), '.' );
 
     // Test file extension
     if ( ext ) {
   if ( strncasecmp(ext, ".mp2", 4) == 0 )
       return TRUE;
   if ( strncasecmp(ext, ".mp3", 4) == 0 )
       return TRUE;
     }
     // UGLY - just for fast testing
     if ( path.left(4) == "http") {
         return TRUE;
     }
 
 
     return FALSE;
 }
 
 
 int LibMadPlugin::tcp_open(char *address, int port) {
     struct sockaddr_in stAddr;
     struct hostent *host;
     int sock;
     struct linger l;
 
     memset(&stAddr, 0, sizeof(stAddr));
     stAddr.sin_family = AF_INET;
     stAddr.sin_port = htons(port);
 
     if ((host = gethostbyname(address)) == NULL)
         return (0);
 
     stAddr.sin_addr = *((struct in_addr *)host->h_addr_list[0]);
 
     if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
         return (0);
 
     l.l_onoff = 1;
     l.l_linger = 5;
     if (setsockopt(sock, SOL_SOCKET, SO_LINGER, (char *)&l, sizeof(l)) < 0)
         return (0);
 
     if (connect(sock, (struct sockaddr *)&stAddr, sizeof(stAddr)) < 0)
         return (0);
 
     return (sock);
 }
 
 
 /**
  * Read a http line header.
  * This function read character by character.
  * @param tcp_sock the socket use to read the stream
  * @param buf a buffer to receive the data
  * @param size size of the buffer
  * @return the size of the stream read or -1 if an error occured
  */
 int LibMadPlugin::http_read_line(int tcp_sock, char *buf, int size) {
     int offset = 0;
 
     do
     {
         if (std::read(tcp_sock, buf + offset, 1) < 0)
             return -1;
         if (buf[offset] != '\r')    /* Strip \r from answer */
             offset++;
     }
     while (offset < size - 1 && buf[offset - 1] != '\n');
 
     buf[offset] = 0;
     return offset;
 }
 
 int LibMadPlugin::http_open(const QString& path ) {
     char *host;
     int port;
     char *request;
     int tcp_sock;
     char http_request[PATH_MAX];
     char filename[PATH_MAX];
     char c;
     char *arg =strdup(path.latin1());
 
     /* Check for URL syntax */
     if (strncmp(arg, "http://", strlen("http://")))
         return (0);
 
     /* Parse URL */
     port = 80;
     host = arg + strlen("http://");
     if ((request = strchr(host, '/')) == NULL)
         return (0);
     *request++ = 0;
 
     if (strchr(host, ':') != NULL)  /* port is specified */
     {
         port = atoi(strchr(host, ':') + 1);
         *strchr(host, ':') = 0;
     }
 
     /* Open a TCP socket */
     if (!(tcp_sock = tcp_open(host, port)))
     {
         perror("http_open");
         return (0);
     }
 
     snprintf(filename, sizeof(filename) - strlen(host) - 75, "%s", request);
 
     /* Send HTTP GET request */
     /* Please don't use a Agent know by shoutcast (Lynx, Mozilla) seems to be reconized and print
      * a html page and not the stream */
     snprintf(http_request, sizeof(http_request), "GET /%s HTTP/1.0\r\n"
 /*  "User-Agent: Mozilla/2.0 (Win95; I)\r\n" */
              "Pragma: no-cache\r\n" "Host: %s\r\n" "Accept: */*\r\n" "\r\n", filename, host);
 
     send(tcp_sock, http_request, strlen(http_request), 0);
 
     /* Parse server reply */
 #if 0
     do
         read(tcp_sock, &c, sizeof(char));
     while (c != ' ');
     read(tcp_sock, http_request, 4 * sizeof(char));
     http_request[4] = 0;
     if (strcmp(http_request, "200 "))
     {
         fprintf(stderr, "http_open: ");
         do
         {
             read(tcp_sock, &c, sizeof(char));
             fprintf(stderr, "%c", c);
         }
         while (c != '\r');
         fprintf(stderr, "\n");
         return (0);
     }
 #endif
 
     do
     {
         int len;
 
         len = http_read_line(tcp_sock, http_request, sizeof(http_request));
 
         if (len == -1)
         {
             fprintf(stderr, "http_open: %s\n", strerror(errno));
             return 0;
         }
 
         if (strncmp(http_request, "Location:", 9) == 0)
         {
             /* redirect */
             std::close(tcp_sock);
 
             http_request[strlen(http_request) - 1] = '\0';
 
             return http_open(&http_request[10]);
         }
 
         if (strncmp(http_request, "ICY ", 4) == 0)
         {
             /* This is icecast streaming */
             if (strncmp(http_request + 4, "200 ", 4))
             {
                 fprintf(stderr, "http_open: %s\n", http_request);
                 return 0;
             }
         }
         else if (strncmp(http_request, "icy-", 4) == 0)
         {
             /* we can have: icy-noticeX, icy-name, icy-genre, icy-url, icy-pub, icy-metaint, icy-br */
             /* Don't print these - mpg123 doesn't */
             /*    fprintf(stderr,"%s\n",http_request); */
         }
     }
     while (strcmp(http_request, "\n") != 0);
 
     return (tcp_sock);
 }
 
 
 bool LibMadPlugin::open( const QString& path ) {
     debugMsg( "LibMadPlugin::open" );
-    Config cfg("MediaPlayer");
+    Config cfg("OpiePlayer");
     cfg.setGroup("Options");
     bufferSize = cfg.readNumEntry("MPeg_BufferSize",MPEG_BUFFER_SIZE);
     qDebug("buffer size is %d", bufferSize);
     d->bad_last_frame = 0;
     d->flush = TRUE;
     info = QString( "" );
 
     //qDebug( "Opening %s", path.latin1() );
 
 
     if (path.left( 4 ) == "http" ) {
         d->input.fd = http_open(path);
 
     } else {
         d->input.path = path.latin1();
         d->input.fd = ::open( d->input.path, O_RDONLY );
     }
     if (d->input.fd == -1) {
         qDebug("error opening %s", d->input.path );
   return FALSE;
     }
 
     printID3Tags();
 
 #if defined(HAVE_MMAP)
     struct stat stat;
     if (fstat(d->input.fd, &stat) == -1) {
   qDebug("error calling fstat"); return FALSE;
     }
     if (S_ISREG(stat.st_mode) && stat.st_size > 0) {
   d->input.length = stat.st_size;
   d->input.fdm = map_file(d->input.fd, &d->input.length);
   if (d->input.fdm == 0) {
       qDebug("error mmapping file"); return FALSE;
   }
   d->input.data = (unsigned char *)d->input.fdm;
     }
 #endif
 
     if (d->input.data == 0) {
         d->input.data = (unsigned char *)malloc( bufferSize /*MPEG_BUFFER_SIZE*/);
   if (d->input.data == 0) {
       qDebug("error allocating input buffer");
       return FALSE;
   }
   d->input.length = 0;
     }
 
     d->input.eof = 0;
 
     mad_stream_init(&d->stream);
     mad_frame_init(&d->frame);
     mad_synth_init(&d->synth);
 
     return TRUE;
 }
 
 
 bool LibMadPlugin::close() {
     debugMsg( "LibMadPlugin::close" );
 
     int result = TRUE;
 
     mad_synth_finish(&d->synth);
     mad_frame_finish(&d->frame);
     mad_stream_finish(&d->stream);
 
 #if defined(HAVE_MMAP)
     if (d->input.fdm) {
   if (unmap_file(d->input.fdm, d->input.length) == -1) {
       qDebug("error munmapping file");
       result = FALSE;
   }
   d->input.fdm  = 0;
   d->input.data = 0;
     }
 #endif
 
     if (d->input.data) {
         free(d->input.data);
   d->input.data = 0;
     }
 
     if (::close(d->input.fd) == -1) {
         qDebug("error closing file %s", d->input.path);
   result = FALSE;
     }
 
     d->input.fd = 0;
 
     return result;
 }
 
 
 bool LibMadPlugin::isOpen() {
     debugMsg( "LibMadPlugin::isOpen" );
     return ( d->input.fd != 0 );
 }
 
 
 int LibMadPlugin::audioStreams() {
     debugMsg( "LibMadPlugin::audioStreams" );
     return 1;
 }
 
 
 int LibMadPlugin::audioChannels( int ) {
     debugMsg( "LibMadPlugin::audioChannels" );
 /*
     long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
     qDebug( "LibMadPlugin::audioChannels: %i", d->frame.header.mode > 0 ? 2 : 1 );
     return d->frame.header.mode > 0 ? 2 : 1;
 */
     return 2;
 }
 
 
 int LibMadPlugin::audioFrequency( int ) {
     debugMsg( "LibMadPlugin::audioFrequency" );
     long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
     qDebug( "LibMadPlugin::audioFrequency: %i", d->frame.header.samplerate );
     return d->frame.header.samplerate;
 }
 
 
 int LibMadPlugin::audioSamples( int ) {
     debugMsg( "LibMadPlugin::audioSamples" );
 /*
     long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
     mad_header_decode( (struct mad_header *)&d->frame.header, &d->stream );
     qDebug( "LibMadPlugin::audioSamples: %i*%i", d->frame.header.duration.seconds, d->frame.header.samplerate );
     return d->frame.header.duration.seconds * d->frame.header.samplerate;
 */
     return 10000000;
 }
 
 
 bool LibMadPlugin::audioSetSample( long, int ) {
     debugMsg( "LibMadPlugin::audioSetSample" );
     return FALSE;
 }
 
 
 long LibMadPlugin::audioGetSample( int ) {
     debugMsg( "LibMadPlugin::audioGetSample" );
     return 0;
 }
 
 /*
 bool LibMadPlugin::audioReadSamples( short *, int, long, int ) {
     debugMsg( "LibMadPlugin::audioReadSamples" );
     return FALSE;
 }
 
 
 bool LibMadPlugin::audioReReadSamples( short *, int, long, int ) {
     debugMsg( "LibMadPlugin::audioReReadSamples" );
     return FALSE;
 }
 */
 
 bool LibMadPlugin::read() {
     debugMsg( "LibMadPlugin::read" );
     int len;
 
       if (d->input.eof)
   return FALSE;
 
 #if defined(HAVE_MMAP)
       if (d->input.fdm) {
   unsigned long skip = 0;
 
   if (d->stream.next_frame) {
     struct stat stat;
 
     if (fstat(d->input.fd, &stat) == -1)
       return FALSE;
 
     if (stat.st_size + MAD_BUFFER_GUARD <= (signed)d->input.length)
       return FALSE;
 
     // file size changed; update memory map
     skip = d->stream.next_frame - d->input.data;
 
     if (unmap_file(d->input.fdm, d->input.length) == -1) {
       d->input.fdm  = 0;
       d->input.data = 0;
       return FALSE;
     }
 
     d->input.length = stat.st_size;
 
     d->input.fdm = map_file(d->input.fd, &d->input.length);
     if (d->input.fdm == 0) {
       d->input.data = 0;
       return FALSE;
     }
 
     d->input.data = (unsigned char *)d->input.fdm;
   }
 
   mad_stream_buffer(&d->stream, d->input.data + skip, d->input.length - skip);
 
       } else
 #endif
       {
   if (d->stream.next_frame) {
     memmove(d->input.data, d->stream.next_frame,
     d->input.length = &d->input.data[d->input.length] - d->stream.next_frame);
   }
 
   do {
     len = ::read(d->input.fd, d->input.data + d->input.length, bufferSize /* MPEG_BUFFER_SIZE*/ - d->input.length);
   }
   while (len == -1 && errno == EINTR);
 
   if (len == -1) {
     qDebug("error reading audio");
     return FALSE;
   }
   else if (len == 0) {
     d->input.eof = 1;
 
     assert(bufferSize /*MPEG_BUFFER_SIZE*/ - d->input.length >= MAD_BUFFER_GUARD);
 
     while (len < MAD_BUFFER_GUARD)
       d->input.data[d->input.length + len++] = 0;
   }
 
   mad_stream_buffer(&d->stream, d->input.data, d->input.length += len);
       }
 
     return TRUE;
 }
 
 
 static mad_fixed_t left_err, right_err;
 static const int bits = 16;
 static const int shift = MAD_F_FRACBITS + 1 - bits;
 
 
 inline long audio_linear_dither( mad_fixed_t sample, mad_fixed_t& error )
 {
     sample += error;
     mad_fixed_t quantized = (sample >= MAD_F_ONE) ? MAD_F_ONE - 1 : ( (sample < -MAD_F_ONE) ? -MAD_F_ONE : sample );
     quantized &= ~((1L << shift) - 1);
     error = sample - quantized;
     return quantized >> shift;
 }
 
 
 inline void audio_pcm( short *data, unsigned int nsamples, mad_fixed_t *left, mad_fixed_t *right )
 {
     if ( right ) {
   while (nsamples--) {
       data[0] = audio_linear_dither( *left++,  left_err );
       data[1] = audio_linear_dither( *right++, right_err );
       data += 2;
   }
     } else {
   while (nsamples--) {
       data[0] = data[1] = audio_linear_dither( *left++,  left_err );
       data += 2;
   }
     }
 }
 
 
 bool LibMadPlugin::decode( short *output, long samples, long& samplesMade ) {
     debugMsg( "LibMadPlugin::decode" );
 
     static int buffered = 0;
     static mad_fixed_t buffer[2][65536 * 2];
     int offset = buffered;
     samplesMade = 0;
 
     static int maxBuffered = 8000; // 65536;
 
     if ( samples > maxBuffered )
   samples = maxBuffered;
 
     if ( d->flush ) {
   buffered = 0;
   offset = 0;
   d->flush = FALSE;
     }
 
     while ( buffered < maxBuffered ) {
 
   while (mad_frame_decode(&d->frame, &d->stream) == -1) {
       if (!MAD_RECOVERABLE(d->stream.error)) {
     debugMsg( "feed me" );
     return FALSE; // Feed me
       }
       if ( d->stream.error == MAD_ERROR_BADCRC ) {
     mad_frame_mute(&d->frame);
     qDebug( "error decoding, bad crc" );
       }
   }
 
   mad_synth_frame(&d->synth, &d->frame);
   int decodedSamples = d->synth.pcm.length;
   memcpy( &(buffer[0][offset]), d->synth.pcm.samples[0], decodedSamples * sizeof(mad_fixed_t) );
   if ( d->synth.pcm.channels == 2 )
       memcpy( &(buffer[1][offset]), d->synth.pcm.samples[1], decodedSamples * sizeof(mad_fixed_t) );
   offset += decodedSamples;
   buffered += decodedSamples;
     }
 //qApp->processEvents();
     audio_pcm( output, samples, buffer[0], (d->synth.pcm.channels == 2) ? buffer[1] : 0 );
 //    audio_pcm( output, samples, buffer[1], buffer[0] );
 //    audio_pcm( output, samples, buffer[0], buffer[1] );
     samplesMade = samples;
     memmove( buffer[0], &(buffer[0][samples]), (buffered - samples) * sizeof(mad_fixed_t) );
     if ( d->synth.pcm.channels == 2 )
         memmove( buffer[1], &(buffer[1][samples]), (buffered - samples) * sizeof(mad_fixed_t) );
     buffered -= samples;
 
     return TRUE;
 }
 
 /*
 bool LibMadPlugin::audioReadMonoSamples( short *, long, long&, int ) {
     debugMsg( "LibMadPlugin::audioReadMonoSamples" );
     return FALSE;
 }
 
 
 bool LibMadPlugin::audioReadStereoSamples( short *output, long samples, long& samplesMade, int ) {
 */
 bool LibMadPlugin::audioReadSamples( short *output, int /*channels*/, long samples, long& samplesMade, int ) {
     debugMsg( "LibMadPlugin::audioReadStereoSamples" );
 
     static bool needInput = TRUE;
 
     if ( samples == 0 )
   return FALSE;
 
     do {
   if ( needInput )
       if ( !read() ) {
 //    if ( d->input.eof )
 //        needInput = FALSE;
 //    else
         return FALSE;
       }
 
   needInput = FALSE;
 
   if ( decode( output, samples, samplesMade ) )
       return TRUE;
   else
       needInput = TRUE;
     }
     while ( ( samplesMade < samples ) && ( !d->input.eof ) );
 /*
     static bool firstTimeThru = TRUE;
 
     if ( firstTimeThru ) {
   firstTimeThru = FALSE;
   decode( output, samples, samplesMade );
   return FALSE;
     } else
 */
         return FALSE;
 }
 
 
 double LibMadPlugin::getTime() {
     debugMsg( "LibMadPlugin::getTime" );
     return 0.0;
 }
 
 
 void LibMadPlugin::printID3Tags() {
     debugMsg( "LibMadPlugin::printID3Tags" );
 
     char id3v1[128 + 1];
 
     if ( ::lseek( d->input.fd, -128, SEEK_END ) == -1 ) {
   qDebug( "error seeking to id3 tags" );
   return;
     }
 
     if ( ::read( d->input.fd, id3v1, 128 ) != 128 ) {
   qDebug( "error reading in id3 tags" );
   return;
     }
 
     if ( ::strncmp( (const char *)id3v1, "TAG", 3 ) != 0 ) {
   debugMsg( "sorry, no id3 tags" );
     } else {
   int len[5] = { 30, 30, 30, 4, 30 };
   QString label[5] = { tr( "Title" ), tr( "Artist" ), tr( "Album" ), tr( "Year" ), tr( "Comment" ) };
   char *ptr = id3v1 + 3, *ptr2 = ptr + len[0];
   qDebug( "ID3 tags in file:" );
   info = "";
   for ( int i = 0; i < 5; ptr += len[i], i++, ptr2 += len[i] ) {
       char push = *ptr2;
       *ptr2 = '\0';
       char *ptr3 = ptr2;
       while ( ptr3-1 >= ptr && isspace(ptr3[-1]) ) ptr3--;
       char push2 = *ptr3; *ptr3 = '\0';
       if ( strcmp( ptr, "" ) )
     info += ( i != 0 ? ", " : "" ) + label[i] + ": " + ptr;
       //qDebug( info.latin1() );
       *ptr3 = push2;
       *ptr2 = push;
   }
   if (id3v1[126] == 0 && id3v1[127] != 0)
       info += tr( ", Track: " ) + id3v1[127];
     }
 
     if ( ::lseek(d->input.fd, 0, SEEK_SET) == -1 ) {
   qDebug( "error seeking back to beginning" );
         return;
     }
 }