466 lines
13 KiB
C
466 lines
13 KiB
C
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/*
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common: misc stuff... audio flush, status display...
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copyright ?-2023 by the mpg123 project
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free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http://mpg123.org
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initially written by Michael Hipp
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*/
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/* Need snprintf. */
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#define _DEFAULT_SOURCE
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#define _BSD_SOURCE
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#include "mpg123app.h"
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#include "out123.h"
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#include <sys/stat.h>
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#include "common.h"
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#include "terms.h"
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#include "metaprint.h"
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#include "common/debug.h"
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enum player_state playstate = STATE_PLAYING;
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const char playsym[STATE_COUNT] = { '>', '_', '=', '?' };
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int muted = 0;
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// On LFS conversion trouble with large files, print_stat() gets disabled.
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// Some heuristic re-enables it (when you print headers).
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static int print_stat_disabled = FALSE;
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const char* rva_name[3] = { "off", "mix", "album" };
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static const char* rva_statname[3] = { "---", "mix", "alb" };
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static const char *modes[5] = {"Stereo", "Joint-Stereo", "Dual-Channel", "Single-Channel", "Invalid" };
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static const char *smodes[5] = { "stereo", "j-s", "dual", "mono", "o.O" };
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static const char *layers[4] = { "Unknown" , "I", "II", "III" };
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static const char *versions[4] = {"1.0", "2.0", "2.5", "x.x" };
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static const int samples_per_frame[4][4] =
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{
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{ -1,384,1152,1152 }, /* MPEG 1 */
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{ -1,384,1152,576 }, /* MPEG 2 */
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{ -1,384,1152,576 }, /* MPEG 2.5 */
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{ -1,-1,-1,-1 }, /* Unknown */
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};
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/* concurring to print_rheader... here for control_generic */
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const char* remote_header_help = "S <mpeg-version> <layer> <sampling freq> <mode(stereo/mono/...)> <mode_ext> <framesize> <stereo> <copyright> <error_protected> <emphasis> <bitrate> <extension> <vbr(0/1=yes/no)>";
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void print_remote_header(mpg123_handle *mh)
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{
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struct mpg123_frameinfo i;
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mpg123_info(mh, &i);
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if(i.mode >= 4 || i.mode < 0) i.mode = 4;
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if(i.version >= 3 || i.version < 0) i.version = 3;
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generic_sendmsg("S %s %d %ld %s %d %d %d %d %d %d %d %d %d",
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versions[i.version],
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i.layer,
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i.rate,
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modes[i.mode],
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i.mode_ext,
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i.framesize,
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i.mode == MPG123_M_MONO ? 1 : 2,
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i.flags & MPG123_COPYRIGHT ? 1 : 0,
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i.flags & MPG123_CRC ? 1 : 0,
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i.emphasis,
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i.bitrate,
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i.flags & MPG123_PRIVATE ? 1 : 0,
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i.vbr);
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print_stat_disabled=FALSE;
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}
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void print_header(mpg123_handle *mh)
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{
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struct mpg123_frameinfo i;
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mpg123_info(mh, &i);
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if(i.mode > 4 || i.mode < 0) i.mode = 4;
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if(i.version > 3 || i.version < 0) i.version = 3;
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if(i.layer > 3 || i.layer < 0) i.layer = 0;
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fprintf(stderr,"MPEG %s, Layer: %s, Freq: %ld, mode: %s, modext: %d, BPF : %d\n",
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versions[i.version],
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layers[i.layer], i.rate,
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modes[i.mode],i.mode_ext,i.framesize);
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fprintf(stderr,"Channels: %d, copyright: %s, original: %s, CRC: %s, emphasis: %d.\n",
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i.mode == MPG123_M_MONO ? 1 : 2,i.flags & MPG123_COPYRIGHT ? "Yes" : "No",
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i.flags & MPG123_ORIGINAL ? "Yes" : "No", i.flags & MPG123_CRC ? "Yes" : "No",
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i.emphasis);
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fprintf(stderr,"Bitrate: ");
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switch(i.vbr)
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{
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case MPG123_CBR:
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if(i.bitrate) fprintf(stderr, "%d kbit/s", i.bitrate);
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else fprintf(stderr, "%d kbit/s (free format)", (int)((double)(i.framesize+4)*8*i.rate*0.001/samples_per_frame[i.version][i.layer]+0.5));
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break;
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case MPG123_VBR: fprintf(stderr, "VBR"); break;
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case MPG123_ABR: fprintf(stderr, "%d kbit/s ABR", i.abr_rate); break;
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default: fprintf(stderr, "???");
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}
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fprintf(stderr, " Extension value: %d\n", i.flags & MPG123_PRIVATE ? 1 : 0);
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print_stat_disabled=FALSE;
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}
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void print_header_compact(mpg123_handle *mh)
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{
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struct mpg123_frameinfo i;
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mpg123_info(mh, &i);
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if(i.mode > 4 || i.mode < 0) i.mode = 4;
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if(i.version > 3 || i.version < 0) i.version = 3;
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if(i.layer > 3 || i.layer < 0) i.layer = 0;
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fprintf(stderr,"MPEG %s L %s ", versions[i.version], layers[i.layer]);
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switch(i.vbr)
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{
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case MPG123_CBR:
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if(i.bitrate) fprintf(stderr, "cbr%d", i.bitrate);
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else fprintf(stderr, "cbr%d", (int)((double)i.framesize*8*i.rate*0.001/samples_per_frame[i.version][i.layer]+0.5));
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break;
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case MPG123_VBR: fprintf(stderr, "vbr"); break;
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case MPG123_ABR: fprintf(stderr, "abr%d", i.abr_rate); break;
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default: fprintf(stderr, "???");
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}
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fprintf(stderr," %ld %s\n", i.rate, smodes[i.mode]);
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print_stat_disabled=FALSE;
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}
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unsigned int roundui(double val)
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{
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double base = floor(val);
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return (unsigned int) ((val-base) < 0.5 ? base : base + 1 );
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}
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/* Split into mm:ss.xx or hh:mm:ss, depending on value. */
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static void settle_time(double tim, unsigned long *times, char *sep)
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{
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if(tim >= 3600.)
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{
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*sep = ':';
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times[0] = (unsigned long) tim/3600;
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tim -= times[0]*3600;
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times[1] = (unsigned long) tim/60;
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tim -= times[1]*60;
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times[2] = (unsigned long) tim;
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}
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else
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{
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*sep = '.';
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times[0] = (unsigned long) tim/60;
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times[1] = (unsigned long) tim%60;
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times[2] = (unsigned long) (tim*100)%100;
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}
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}
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/* Print output buffer fill. */
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void print_buf(const char* prefix, out123_handle *ao)
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{
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long rate;
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int framesize;
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double tim;
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unsigned long times[3];
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char timesep;
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size_t buffsize;
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buffsize = out123_buffered(ao);
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if(out123_getformat(ao, &rate, NULL, NULL, &framesize))
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return;
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tim = (double)(buffsize/framesize)/rate;
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settle_time(tim, times, ×ep);
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fprintf( stderr, "\r%s[%02lu:%02lu%c%02lu]"
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, prefix, times[0], times[1], timesep, times[2] );
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}
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// This is a massively complicated function just for telling where we are.
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// Blame buffering. Blame format conversion. Blame the universe.
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int position_info( mpg123_handle *fr, off_t offset, out123_handle *ao
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, off_t *frame, off_t *frame_remain
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, double *seconds, double *seconds_remain, double *seconds_buffered, double *seconds_total )
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{
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size_t buffered;
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off_t decoded;
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double elapsed;
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double remain;
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double length;
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off_t frameo;
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off_t frames;
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off_t rframes;
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int framesize;
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int spf;
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long inrate;
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long rate;
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if(mpg123_getformat(fr, &inrate, NULL, NULL) || inrate < 1)
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return -1;
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if(out123_getformat(ao, &rate, NULL, NULL, &framesize) || rate < 1 || framesize < 1)
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return -1;
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buffered = out123_buffered(ao)/framesize;
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decoded = mpg123_tell(fr);
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length = (double)mpg123_length(fr)/inrate;
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frameo = mpg123_tellframe(fr);
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frames = mpg123_framelength(fr);
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spf = mpg123_spf(fr);
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if(decoded < 0 || length < 0 || frameo < 0 || frames <= 0 || spf <= 0)
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{
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merror("Failed to gather position data: %s", mpg123_strerror(fr));
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return -1;
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}
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frameo += offset;
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if(frameo < 0)
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frameo = 0;
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/* Some sensible logic around offsets and time.
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Buffering makes the relationships between the numbers non-trivial. */
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rframes = frames-frameo;
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// May be negative, a countdown. Buffer only confuses in paused (looping) mode, though.
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elapsed = (double)(decoded + offset*spf)/inrate - (double)(playstate==STATE_LOOPING ? 0 : buffered)/rate;
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remain = elapsed > 0 ? length - elapsed : length;
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if(frame)
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*frame = frameo;
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if(frame_remain)
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*frame_remain = rframes;
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if(seconds)
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*seconds = elapsed;
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if(seconds_remain)
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*seconds_remain = remain;
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if(seconds_buffered)
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*seconds_buffered = (double)buffered/rate;
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if(seconds_total)
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*seconds_total = length;
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return 0;
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}
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/* Note about position info with buffering:
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Negative positions mean that the previous track is still playing from the
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buffer. It's a countdown. The frame counter always relates to the last
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decoded frame, what entered the buffer right now. */
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void print_stat(mpg123_handle *fr, long offset, out123_handle *ao, int draw_bar
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, struct parameter *param)
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{
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if(print_stat_disabled)
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return;
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static int old_term_width = -1;
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double basevol, realvol;
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double elapsed;
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double remain;
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double bufsec;
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double length;
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off_t frame;
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off_t rframes;
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struct mpg123_frameinfo mi;
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char linebuf[256];
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char *line = NULL;
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#ifndef __OS2__
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#ifndef _WIN32
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#ifndef GENERIC
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/* Only generate new stat line when stderr is ready... don't overfill... */
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{
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struct timeval t;
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fd_set serr;
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int n,errfd = fileno(stderr);
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t.tv_sec=t.tv_usec=0;
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FD_ZERO(&serr);
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FD_SET(errfd,&serr);
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n = select(errfd+1,NULL,&serr,NULL,&t);
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if(n <= 0) return;
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}
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#endif
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#endif
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#endif
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if(position_info(fr, offset, ao, &frame, &rframes, &elapsed, &remain, &bufsec, &length))
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{
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debug("position_info() failed");
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print_stat_disabled=TRUE;
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return;
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}
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if( MPG123_OK == mpg123_info(fr, &mi)
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&& MPG123_OK == mpg123_getvolume(fr, &basevol, &realvol, NULL) )
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{
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char framefmt[10];
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char framestr[2][32];
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int linelen;
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int maxlen;
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int len;
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int ti;
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/* Deal with overly long times. */
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double tim[3];
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unsigned long times[3][3];
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char timesep[3];
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char sign[3] = {' ', ' ', ' '};
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/* 255 is enough for the data I prepare, if there is no terminal width to
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fill */
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maxlen = term_width(STDERR_FILENO);
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if(draw_bar && maxlen > 0 && maxlen < old_term_width)
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{
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// Hack about draw_bar: That's the normal print_stat that is not followed by
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// metadata anyway. No need to double things.
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print_stat(fr, offset, ao, 0, param);
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if(param->verbose > 2)
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fprintf(stderr,"Note: readjusting for smaller terminal (%d to %d)\n", old_term_width, maxlen);
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fprintf(stderr, "\n\n\n");
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if(param->verbose > 1)
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print_header(fr);
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else
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print_header_compact(fr);
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print_id3_tag(fr, param->long_id3, stderr, maxlen);
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}
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if(draw_bar)
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old_term_width = maxlen;
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linelen = maxlen > 0 ? maxlen : (sizeof(linebuf)-1);
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line = linelen >= sizeof(linebuf)
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? malloc(linelen+1) /* Only malloc if it is a really long line. */
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: linebuf; /* Small buffer on stack is enough. */
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tim[0] = elapsed;
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tim[1] = remain;
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tim[2] = bufsec;
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for(ti=0; ti<3; ++ti)
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{
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if(tim[ti] < 0.){ sign[ti] = '-'; tim[ti] = -tim[ti]; }
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settle_time(tim[ti], times[ti], ×ep[ti]);
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}
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/* Taking pains to properly size the frame number fields. */
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len = snprintf( framefmt, sizeof(framefmt)
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, "%%0%d" PRIiMAX, (int)log10(frame+rframes)+1 );
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if(len < 0 || len >= sizeof(framefmt))
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memcpy(framefmt, "%05" PRIiMAX, sizeof("%05" PRIiMAX));
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snprintf( framestr[0], sizeof(framestr[0])-1, framefmt, (intmax_t)frame);
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framestr[0][sizeof(framestr[0])-1] = 0;
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snprintf( framestr[1], sizeof(framestr[1])-1, framefmt, (intmax_t)rframes);
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framestr[1][sizeof(framestr[1])-1] = 0;
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/* Now start with the state line. */
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memset(line, 0, linelen+1); /* Always one zero more. */
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/* Start with position info. */
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len = snprintf( line, linelen
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, "%c %s+%s %c%02lu:%02lu%c%02lu+%02lu:%02lu%c%02lu"
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|
, playsym[playstate]
|
||
|
|
, framestr[0], framestr[1]
|
||
|
|
, sign[0]
|
||
|
|
, times[0][0], times[0][1], timesep[0], times[0][2]
|
||
|
|
, times[1][0], times[1][1], timesep[1], times[1][2]
|
||
|
|
);
|
||
|
|
/* Just cut it. */
|
||
|
|
if(len >= linelen)
|
||
|
|
len=linelen;
|
||
|
|
if(len >= 0 && param->usebuffer && len < linelen )
|
||
|
|
{ /* Buffer info. */
|
||
|
|
int len_add = snprintf( line+len, linelen-len
|
||
|
|
, " [%02lu:%02lu%c%02lu]"
|
||
|
|
, times[2][0], times[2][1], timesep[2], times[2][2] );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Volume info. */
|
||
|
|
int len_add = snprintf( line+len, linelen-len
|
||
|
|
, " %s %03u%c%03u"
|
||
|
|
, rva_statname[param->rva]
|
||
|
|
, roundui(basevol*100), muted ? 'm' : '='
|
||
|
|
, roundui(realvol*100) );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Bitrate. */
|
||
|
|
int len_add = snprintf( line+len, linelen-len
|
||
|
|
, " %3d kb/s", mi.bitrate );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Size of frame in bytes. */
|
||
|
|
int len_add = snprintf( line+len, linelen-len
|
||
|
|
, " %4d B", mi.framesize );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Size of frame in bytes. */
|
||
|
|
int len_add = 0;
|
||
|
|
long res = 0;
|
||
|
|
if(mpg123_getstate(fr, MPG123_ACCURATE, &res, NULL) == MPG123_OK)
|
||
|
|
len_add = snprintf( line+len, linelen-len
|
||
|
|
, " %s", res ? "acc" : "fuz" );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Size of frame in bytes. */
|
||
|
|
int len_add = 0;
|
||
|
|
long res = mpg123_clip(fr);
|
||
|
|
if(res >= 0)
|
||
|
|
len_add = snprintf( line+len, linelen-len
|
||
|
|
, " %4ld clip", res );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0 && len < linelen)
|
||
|
|
{ /* Size of frame in bytes. */
|
||
|
|
int len_add = 0;
|
||
|
|
len_add = snprintf( line+len, linelen-len
|
||
|
|
, " p%+.3f", param->pitch );
|
||
|
|
if(len_add > 0)
|
||
|
|
len += len_add;
|
||
|
|
}
|
||
|
|
if(len >= 0)
|
||
|
|
{
|
||
|
|
if(maxlen > 0 && len > maxlen)
|
||
|
|
{
|
||
|
|
/* Emergency cut to avoid terminal scrolling. */
|
||
|
|
int i;
|
||
|
|
/* Blank a word that would have been cut off. */
|
||
|
|
for(i=maxlen; i>=0; --i)
|
||
|
|
{
|
||
|
|
char old = line[i];
|
||
|
|
line[i] = ' ';
|
||
|
|
if(old == ' ')
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
line[maxlen] = 0;
|
||
|
|
len = maxlen;
|
||
|
|
}
|
||
|
|
/* Ensure that it is filled with spaces if we got some line length.
|
||
|
|
Shouldn't we always fill to maxlen? */
|
||
|
|
if(maxlen > 0)
|
||
|
|
memset(line+len, ' ', linelen-len);
|
||
|
|
draw_bar = draw_bar && term_have_fun(STDERR_FILENO,param->term_visual);
|
||
|
|
/* Use inverse color to draw a progress bar. */
|
||
|
|
if(maxlen > 0 && draw_bar)
|
||
|
|
{
|
||
|
|
char old;
|
||
|
|
int barlen = 0;
|
||
|
|
if(length > 0 && elapsed > 0)
|
||
|
|
{
|
||
|
|
if(elapsed < length)
|
||
|
|
barlen = (int)((double)elapsed/length * maxlen);
|
||
|
|
else
|
||
|
|
barlen = maxlen;
|
||
|
|
}
|
||
|
|
old = line[barlen];
|
||
|
|
fprintf(stderr, "\x1b[7m");
|
||
|
|
line[barlen] = 0;
|
||
|
|
fprintf(stderr, "\r%s", line);
|
||
|
|
line[barlen] = old;
|
||
|
|
fprintf(stderr, "\x1b[0m");
|
||
|
|
fprintf(stderr, "%s", line+barlen);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
fprintf(stderr, "\r%s", line);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(line && line != linebuf)
|
||
|
|
free(line);
|
||
|
|
}
|
||
|
|
|
||
|
|
void clear_stat(void)
|
||
|
|
{
|
||
|
|
int len = term_width(STDERR_FILENO);
|
||
|
|
if(len > 0)
|
||
|
|
{
|
||
|
|
char fmt[20];
|
||
|
|
int flen;
|
||
|
|
if( (flen=snprintf(fmt, sizeof(fmt), "\r%%%ds\r", len)) > 0
|
||
|
|
&& flen < sizeof(fmt) )
|
||
|
|
fprintf(stderr, fmt, " ");
|
||
|
|
}
|
||
|
|
}
|