int attribute_align_arg mpg123_param(mpg123_handle *mh, enum mpg123_parms key, long val, double fval) { int r; if(mh == NULL) return MPG123_ERR; r = mpg123_par(&mh->p, key, val, fval); if(r != MPG123_OK){ mh->err = r; r = MPG123_ERR; } else { /* Special treatment for some settings. */ #ifdef FRAME_INDEX if(key == MPG123_INDEX_SIZE) { /* Apply frame index size and grow property on the fly. */ r = frame_index_setup(mh); if(r != MPG123_OK) mh->err = MPG123_INDEX_FAIL; } #endif } return r; }
int attribute_align_arg mpg123_param(mpg123_handle *mh, enum mpg123_parms key, long val, double fval) { int r; if(mh == NULL) return MPG123_BAD_HANDLE; r = mpg123_par(&mh->p, key, val, fval); if(r != MPG123_OK){ mh->err = r; r = MPG123_ERR; } else { /* Special treatment for some settings. */ #ifdef FRAME_INDEX if(key == MPG123_INDEX_SIZE) { /* Apply frame index size and grow property on the fly. */ r = frame_index_setup(mh); if(r != MPG123_OK) mh->err = MPG123_INDEX_FAIL; } #endif #ifndef NO_FEEDER /* Feeder pool size is applied right away, reader will react to that. */ if(key == MPG123_FEEDPOOL || key == MPG123_FEEDBUFFER) bc_poolsize(&mh->rdat.buffer, mh->p.feedpool, mh->p.feedbuffer); #endif } return r; }
static gboolean xmms_mpg123_init (xmms_xform_t *xform) { xmms_mpg123_data_t *data; const long *rates; size_t num_rates; int encoding; off_t length; int i, result; g_return_val_if_fail (xform, FALSE); data = g_new0 (xmms_mpg123_data_t, 1); xmms_xform_private_data_set (xform, data); /* Get the total size of this stream and store it for later */ if (xmms_xform_metadata_get_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_SIZE, &result)) { data->filesize = result; } mpg123_rates (&rates, &num_rates); data->param = mpg123_new_pars (&result); g_return_val_if_fail (data->param, FALSE); /* Create a quiet (stderr) decoder with auto choosen optimization. * Stuff set here should be tunable via plugin config properties! * You can also change some things during playback... */ mpg123_par (data->param, MPG123_ADD_FLAGS, MPG123_QUIET, 0); mpg123_par (data->param, MPG123_ADD_FLAGS, MPG123_GAPLESS, 0); /* choose: MPG123_RVA_OFF, MPG123_RVA_MIX, MPG123_RVA_ALBUM * xmms2 has its own ReplayGain plugin to handle the RVA field */ mpg123_par (data->param, MPG123_RVA, MPG123_RVA_OFF, 0); /* You could choose a decoder from the list provided by * mpg123_supported_decoders () and give that as second parameter. */ data->decoder = mpg123_parnew (data->param, NULL, &result); if (data->decoder == NULL) { xmms_log_error ("%s", mpg123_plain_strerror (result)); goto bad; } /* Prepare for buffer input feeding. */ result = mpg123_open_feed (data->decoder); if (result != MPG123_OK) { goto mpg123_bad; } /* Let's always decode to signed 16bit for a start. Any mpg123-supported sample rate is accepted. */ if (MPG123_OK != mpg123_format_none (data->decoder)) { goto mpg123_bad; } for (i = 0; i < num_rates; i++) { result = mpg123_format (data->decoder, rates[i], MPG123_MONO | MPG123_STEREO, MPG123_ENC_SIGNED_16); if (result != MPG123_OK) { goto mpg123_bad; } } /* Fetch ID3v1 data from the end of file if possible */ result = xmms_id3v1_get_tags (xform); if (result < 0) { xmms_log_error ("Seeking error when reading ID3v1 tags"); goto bad; } else if (data->filesize > result) { /* Reduce the size of tag data from the filesize */ data->filesize -= result; } /* Read data from input until decoded data is available from decoder */ do { /* Parse stream and get info. */ gint ret; xmms_error_t err; ret = xmms_xform_read (xform, data->buf, BUFSIZE, &err); if (ret < 0) { xmms_log_error ("Error when trying to find beginning of stream"); goto bad; } else if (ret == 0) { /* EOF reached before format was found, handled after loop */ break; } /* With zero output size nothing is actually outputted */ result = mpg123_decode (data->decoder, data->buf, (size_t) ret, NULL, 0, NULL); } while (result == MPG123_NEED_MORE); /* Keep feeding... */ if (result != MPG123_NEW_FORMAT) { xmms_log_error ("Unable to find beginning of stream (%s)!", result == MPG123_ERR ? mpg123_strerror (data->decoder) : "unexpected EOF"); goto bad; } result = mpg123_getformat (data->decoder, &data->samplerate, &data->channels, &encoding); if (result != MPG123_OK) { goto mpg123_bad; } /* Set the filesize so it can be used for duration estimation */ if (data->filesize > 0) { mpg123_set_filesize (data->decoder, data->filesize); } /* Get duration in samples, convert to ms and save to xmms2 */ length = mpg123_length (data->decoder); if (length > 0 && !xmms_xform_metadata_get_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_DURATION, &i)) { length = (off_t) ((gfloat) length / data->samplerate * 1000); xmms_xform_metadata_set_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_DURATION, (gint) length); } XMMS_DBG ("mpg123: got stream with %li Hz %i channels, encoding %i", data->samplerate, data->channels, encoding); xmms_xform_outdata_type_add (xform, XMMS_STREAM_TYPE_MIMETYPE, "audio/pcm", XMMS_STREAM_TYPE_FMT_FORMAT, XMMS_SAMPLE_FORMAT_S16, XMMS_STREAM_TYPE_FMT_CHANNELS, data->channels, XMMS_STREAM_TYPE_FMT_SAMPLERATE, (gint) data->samplerate, XMMS_STREAM_TYPE_END); return TRUE; mpg123_bad: xmms_log_error ("mpg123 error: %s", mpg123_strerror (data->decoder)); bad: mpg123_delete (data->decoder); mpg123_delete_pars (data->param); g_free (data); return FALSE; }
int main(int sys_argc, char ** sys_argv) { int result; char end_of_files = FALSE; long parr; char *fname; int libpar = 0; mpg123_pars *mp; #if !defined(WIN32) && !defined(GENERIC) struct timeval start_time; #endif aux_out = stdout; /* Need to initialize here because stdout is not a constant?! */ #if defined (WANT_WIN32_UNICODE) if(win32_cmdline_utf8(&argc, &argv) != 0) { error("Cannot convert command line to UTF8!"); safe_exit(76); } #else argv = sys_argv; argc = sys_argc; #endif #if defined (WANT_WIN32_SOCKETS) win32_net_init(); #endif /* Extract binary and path, take stuff before/after last / or \ . */ if((prgName = strrchr(argv[0], '/')) || (prgName = strrchr(argv[0], '\\'))) { /* There is some explicit path. */ prgName[0] = 0; /* End byte for path. */ prgName++; binpath = argv[0]; } else { prgName = argv[0]; /* No path separators there. */ binpath = NULL; /* No path at all. */ } /* Need to initialize mpg123 lib here for default parameter values. */ result = mpg123_init(); if(result != MPG123_OK) { error1("Cannot initialize mpg123 library: %s", mpg123_plain_strerror(result)); safe_exit(77); } cleanup_mpg123 = TRUE; mp = mpg123_new_pars(&result); /* This may get leaked on premature exit(), which is mainly a cosmetic issue... */ if(mp == NULL) { error1("Crap! Cannot get mpg123 parameters: %s", mpg123_plain_strerror(result)); safe_exit(78); } /* get default values */ mpg123_getpar(mp, MPG123_DOWN_SAMPLE, &parr, NULL); param.down_sample = (int) parr; mpg123_getpar(mp, MPG123_RVA, ¶m.rva, NULL); mpg123_getpar(mp, MPG123_DOWNSPEED, ¶m.halfspeed, NULL); mpg123_getpar(mp, MPG123_UPSPEED, ¶m.doublespeed, NULL); mpg123_getpar(mp, MPG123_OUTSCALE, ¶m.outscale, NULL); mpg123_getpar(mp, MPG123_FLAGS, &parr, NULL); mpg123_getpar(mp, MPG123_INDEX_SIZE, ¶m.index_size, NULL); param.flags = (int) parr; param.flags |= MPG123_SEEKBUFFER; /* Default on, for HTTP streams. */ mpg123_getpar(mp, MPG123_RESYNC_LIMIT, ¶m.resync_limit, NULL); mpg123_getpar(mp, MPG123_PREFRAMES, ¶m.preframes, NULL); #ifdef OS2 _wildcard(&argc,&argv); #endif while ((result = getlopt(argc, argv, opts))) switch (result) { case GLO_UNKNOWN: fprintf (stderr, "%s: Unknown option \"%s\".\n", prgName, loptarg); usage(1); case GLO_NOARG: fprintf (stderr, "%s: Missing argument for option \"%s\".\n", prgName, loptarg); usage(1); } /* Do this _after_ parameter parsing. */ check_locale(); /* Check/set locale; store if it uses UTF-8. */ if(param.list_cpu) { const char **all_dec = mpg123_decoders(); printf("Builtin decoders:"); while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; } printf("\n"); mpg123_delete_pars(mp); return 0; } if(param.test_cpu) { const char **all_dec = mpg123_supported_decoders(); printf("Supported decoders:"); while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; } printf("\n"); mpg123_delete_pars(mp); return 0; } if(param.gain != -1) { warning("The parameter -g is deprecated and may be removed in the future."); } if (loptind >= argc && !param.listname && !param.remote) usage(1); /* Init audio as early as possible. If there is the buffer process to be spawned, it shouldn't carry the mpg123_handle with it. */ bufferblock = mpg123_safe_buffer(); /* Can call that before mpg123_init(), it's stateless. */ if(init_output(&ao) < 0) { error("Failed to initialize output, goodbye."); mpg123_delete_pars(mp); return 99; /* It's safe here... nothing nasty happened yet. */ } have_output = TRUE; /* ========================================================================================================= */ /* Enterning the leaking zone... we start messing with stuff here that should be taken care of when leaving. */ /* Don't just exit() or return out... */ /* ========================================================================================================= */ httpdata_init(&htd); #if !defined(WIN32) && !defined(GENERIC) if (param.remote) { param.verbose = 0; param.quiet = 1; param.flags |= MPG123_QUIET; } #endif /* Set the frame parameters from command line options */ if(param.quiet) param.flags |= MPG123_QUIET; #ifdef OPT_3DNOW if(dnow != 0) param.cpu = (dnow == SET_3DNOW) ? "3dnow" : "i586"; #endif if(param.cpu != NULL && (!strcmp(param.cpu, "auto") || !strcmp(param.cpu, ""))) param.cpu = NULL; if(!( MPG123_OK == (result = mpg123_par(mp, MPG123_VERBOSE, param.verbose, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_FLAGS, param.flags, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_DOWN_SAMPLE, param.down_sample, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_RVA, param.rva, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_FORCE_RATE, param.force_rate, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_DOWNSPEED, param.halfspeed, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_UPSPEED, param.doublespeed, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_ICY_INTERVAL, 0, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_RESYNC_LIMIT, param.resync_limit, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_TIMEOUT, param.timeout, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_OUTSCALE, param.outscale, 0)) && ++libpar && MPG123_OK == (result = mpg123_par(mp, MPG123_PREFRAMES, param.preframes, 0)) )) { error2("Cannot set library parameter %i: %s", libpar, mpg123_plain_strerror(result)); safe_exit(45); } if (!(param.listentry < 0) && !param.quiet) print_title(stderr); /* do not pollute stdout! */ { long default_index; mpg123_getpar(mp, MPG123_INDEX_SIZE, &default_index, NULL); if( param.index_size != default_index && (result = mpg123_par(mp, MPG123_INDEX_SIZE, param.index_size, 0.)) != MPG123_OK ) error1("Setting of frame index size failed: %s", mpg123_plain_strerror(result)); } if(param.force_rate && param.down_sample) { error("Down sampling and fixed rate options not allowed together!"); safe_exit(1); } /* Now actually get an mpg123_handle. */ mh = mpg123_parnew(mp, param.cpu, &result); if(mh == NULL) { error1("Crap! Cannot get a mpg123 handle: %s", mpg123_plain_strerror(result)); safe_exit(77); } mpg123_delete_pars(mp); /* Don't need the parameters anymore ,they're in the handle now. */ /* Prepare stream dumping, possibly replacing mpg123 reader. */ if(dump_open(mh) != 0) safe_exit(78); /* Now either check caps myself or query buffer for that. */ audio_capabilities(ao, mh); load_equalizer(mh); #ifdef HAVE_SETPRIORITY if(param.aggressive) { /* tst */ int mypid = getpid(); setpriority(PRIO_PROCESS,mypid,-20); } #endif #if defined (HAVE_SCHED_SETSCHEDULER) && !defined (__CYGWIN__) && !defined (HAVE_WINDOWS_H) /* Cygwin --realtime seems to fail when accessing network, using win32 set priority instead */ /* MinGW may have pthread installed, we prefer win32API */ if (param.realtime) { /* Get real-time priority */ struct sched_param sp; fprintf(stderr,"Getting real-time priority\n"); memset(&sp, 0, sizeof(struct sched_param)); sp.sched_priority = sched_get_priority_min(SCHED_FIFO); if (sched_setscheduler(0, SCHED_RR, &sp) == -1) fprintf(stderr,"Can't get real-time priority\n"); } #endif #ifdef HAVE_WINDOWS_H /* argument "3" is equivalent to realtime priority class */ win32_set_priority( param.realtime ? 3 : param.w32_priority); #endif if(!param.remote) prepare_playlist(argc, argv); #if !defined(WIN32) && !defined(GENERIC) /* Remote mode is special... but normal console and terminal-controlled operation needs to catch the SIGINT. For one it serves for track skip when not in terminal control mode. The more important use being a graceful exit, including telling the buffer process what's going on. */ if(!param.remote) catchsignal (SIGINT, catch_interrupt); #endif if(param.remote) { int ret; ret = control_generic(mh); safe_exit(ret); } #ifdef HAVE_TERMIOS debug1("param.term_ctrl: %i", param.term_ctrl); if(param.term_ctrl) term_init(); #endif if(APPFLAG(MPG123APP_CONTINUE)) frames_left = param.frame_number; while ((fname = get_next_file())) { char *dirname, *filename; int newdir; /* skip_tracks includes the previous one. */ if(skip_tracks) --skip_tracks; if(skip_tracks) { debug("Skipping this track."); continue; } if(param.delay > 0) { /* One should enable terminal control during that sleeping phase! */ if(param.verbose > 2) fprintf(stderr, "Note: pausing %i seconds before next track.\n", param.delay); output_pause(ao); #ifdef WIN32 Sleep(param.delay*1000); #else sleep(param.delay); #endif output_unpause(ao); } if(!APPFLAG(MPG123APP_CONTINUE)) frames_left = param.frame_number; debug1("Going to play %s", strcmp(fname, "-") ? fname : "standard input"); if(intflag || !open_track(fname)) { #ifdef HAVE_TERMIOS /* We need the opportunity to cancel in case of --loop -1 . */ if(param.term_ctrl) term_control(mh, ao); #endif /* No wait for a second interrupt before we started playing. */ if(intflag) break; continue; } if(!param.quiet) fprintf(stderr, "\n"); if(param.index) { if(param.verbose) fprintf(stderr, "indexing...\r"); mpg123_scan(mh); } /* Only trigger a seek if we do not want to start with the first frame. Rationale: Because of libmpg123 sample accuracy, this could cause an unnecessary backwards seek, that even may fail on non-seekable streams. For start frame of 0, we are already at the correct position! */ framenum = 0; if(param.start_frame > 0) framenum = mpg123_seek_frame(mh, param.start_frame, SEEK_SET); if(APPFLAG(MPG123APP_CONTINUE)) param.start_frame = 0; if(framenum < 0) { error1("Initial seek failed: %s", mpg123_strerror(mh)); if(mpg123_errcode(mh) == MPG123_BAD_OUTFORMAT) { fprintf(stderr, "%s", "So, you have trouble getting an output format... this is the matrix of currently possible formats:\n"); print_capabilities(ao, mh); fprintf(stderr, "%s", "Somehow the input data and your choices don't allow one of these.\n"); } mpg123_close(mh); continue; } /* Prinout and xterm title need this, possibly independently. */ newdir = split_dir_file(fname ? fname : "standard input", &dirname, &filename); if (!param.quiet) { if(newdir) fprintf(stderr, "Directory: %s\n", dirname); #ifdef HAVE_TERMIOS /* Reminder about terminal usage. */ if(param.term_ctrl) term_hint(); #endif fprintf(stderr, "Playing MPEG stream %lu of %lu: %s ...\n", (unsigned long)pl.pos, (unsigned long)pl.fill, filename); if(htd.icy_name.fill) fprintf(stderr, "ICY-NAME: %s\n", htd.icy_name.p); if(htd.icy_url.fill) fprintf(stderr, "ICY-URL: %s\n", htd.icy_url.p); } #if !defined(GENERIC) { const char *term_type; term_type = getenv("TERM"); if(term_type && param.xterm_title) { if(!strncmp(term_type,"xterm",5) || !strncmp(term_type,"rxvt",4)) fprintf(stderr, "\033]0;%s\007", filename); else if(!strncmp(term_type,"screen",6)) fprintf(stderr, "\033k%s\033\\", filename); else if(!strncmp(term_type,"iris-ansi",9)) fprintf(stderr, "\033P1.y %s\033\\\033P3.y%s\033\\", filename, filename); fflush(stderr); /* Paranoia: will the buffer buffer the escapes? */ } } #endif /* Rethink that SIGINT logic... */ #if !defined(WIN32) && !defined(GENERIC) #ifdef HAVE_TERMIOS if(!param.term_ctrl) #endif gettimeofday (&start_time, NULL); #endif while(!intflag) { int meta; if(param.frame_number > -1) { debug1("frames left: %li", (long) frames_left); if(!frames_left) { if(APPFLAG(MPG123APP_CONTINUE)) end_of_files = TRUE; break; } } if(!play_frame()) break; if(!param.quiet) { meta = mpg123_meta_check(mh); if(meta & (MPG123_NEW_ID3|MPG123_NEW_ICY)) { if(meta & MPG123_NEW_ID3) print_id3_tag(mh, param.long_id3, stderr); if(meta & MPG123_NEW_ICY) print_icy(mh, stderr); mpg123_meta_free(mh); /* Do not waste memory after delivering. */ } } if(!fresh && param.verbose) { #ifndef NOXFERMEM if (param.verbose > 1 || !(framenum & 0x7)) print_stat(mh,0,xfermem_get_usedspace(buffermem)); #else if(param.verbose > 1 || !(framenum & 0x7)) print_stat(mh,0,0); #endif } #ifdef HAVE_TERMIOS if(!param.term_ctrl) continue; else term_control(mh, ao); #endif } if(!param.smooth && param.usebuffer) buffer_drain(); if(param.verbose) print_stat(mh,0,xfermem_get_usedspace(buffermem)); if(!param.quiet) { double secs; long frank; fprintf(stderr, "\n"); if(mpg123_getstate(mh, MPG123_FRANKENSTEIN, &frank, NULL) == MPG123_OK && frank) fprintf(stderr, "This was a Frankenstein track.\n"); mpg123_position(mh, 0, 0, NULL, NULL, &secs, NULL); fprintf(stderr,"[%d:%02d] Decoding of %s finished.\n", (int)(secs / 60), ((int)secs) % 60, filename); } else if(param.verbose) fprintf(stderr, "\n"); mpg123_close(mh); if (intflag) { if(!skip_or_die(&start_time)) break; intflag = FALSE; #ifndef NOXFERMEM if(!param.smooth && param.usebuffer) buffer_resync(); #endif } if(end_of_files) break; } /* end of loop over input files */ /* Ensure we played everything. */ if(param.smooth && param.usebuffer) { buffer_drain(); buffer_resync(); } if(APPFLAG(MPG123APP_CONTINUE)) { continue_msg("CONTINUE"); } /* Free up memory used by playlist */ if(!param.remote) free_playlist(); safe_exit(0); /* That closes output and restores terminal, too. */ return 0; }