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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stddef.h>
#include <stdbool.h>
#include <inttypes.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
#include "config.h"
#include "talloc.h"
#include "common/msg.h"
#include "common/msg_control.h"
#include "options/options.h"
#include "common/common.h"
#include "options/m_property.h"
#include "common/encode.h"
#include "osdep/terminal.h"
#include "osdep/timer.h"
#include "demux/demux.h"
#include "sub/osd.h"
#include "core.h"
#include "command.h"
#define saddf(var, ...) (*(var) = talloc_asprintf_append((*var), __VA_ARGS__))
// append time in the hh:mm:ss format (plus fractions if wanted)
static void sadd_hhmmssff(char **buf, double time, bool fractions)
{
char *s = mp_format_time(time, fractions);
*buf = talloc_strdup_append(*buf, s);
talloc_free(s);
}
static void sadd_percentage(char **buf, int percent) {
if (percent >= 0)
*buf = talloc_asprintf_append(*buf, " (%d%%)", percent);
}
static char *join_lines(void *ta_ctx, char **parts, int num_parts)
{
char *res = talloc_strdup(ta_ctx, "");
for (int n = 0; n < num_parts; n++)
res = talloc_asprintf_append(res, "%s%s", n ? "\n" : "", parts[n]);
return res;
}
static void term_osd_update(struct MPContext *mpctx)
{
int num_parts = 0;
char *parts[3] = {0};
if (!mpctx->opts->use_terminal)
return;
if (mpctx->term_osd_subs && mpctx->term_osd_subs[0])
parts[num_parts++] = mpctx->term_osd_subs;
if (mpctx->term_osd_text && mpctx->term_osd_text[0])
parts[num_parts++] = mpctx->term_osd_text;
if (mpctx->term_osd_status && mpctx->term_osd_status[0])
parts[num_parts++] = mpctx->term_osd_status;
char *s = join_lines(mpctx, parts, num_parts);
if (strcmp(mpctx->term_osd_contents, s) == 0 &&
mp_msg_has_status_line(mpctx->global))
{
talloc_free(s);
} else {
talloc_free(mpctx->term_osd_contents);
mpctx->term_osd_contents = s;
mp_msg(mpctx->statusline, MSGL_STATUS, "%s", s);
}
}
static void term_osd_set_subs(struct MPContext *mpctx, const char *text)
{
if (mpctx->video_out || !text)
text = ""; // disable
if (strcmp(mpctx->term_osd_subs ? mpctx->term_osd_subs : "", text) == 0)
return;
talloc_free(mpctx->term_osd_subs);
mpctx->term_osd_subs = talloc_strdup(mpctx, text);
term_osd_update(mpctx);
}
static void term_osd_set_text(struct MPContext *mpctx, const char *text)
{
if (mpctx->video_out && mpctx->opts->term_osd != 1)
text = ""; // disable
talloc_free(mpctx->term_osd_text);
mpctx->term_osd_text = talloc_strdup(mpctx, text);
term_osd_update(mpctx);
}
static void term_osd_set_status(struct MPContext *mpctx, const char *text)
{
talloc_free(mpctx->term_osd_status);
mpctx->term_osd_status = talloc_strdup(mpctx, text);
term_osd_update(mpctx);
}
static void add_term_osd_bar(struct MPContext *mpctx, char **line, int width)
{
struct MPOpts *opts = mpctx->opts;
if (width < 5)
return;
int pos = get_current_pos_ratio(mpctx, false) * (width - 3);
pos = MPCLAMP(pos, 0, width - 3);
bstr chars = bstr0(opts->term_osd_bar_chars);
bstr parts[5];
for (int n = 0; n < 5; n++)
parts[n] = bstr_split_utf8(chars, &chars);
saddf(line, "\r%.*s", BSTR_P(parts[0]));
for (int n = 0; n < pos; n++)
saddf(line, "%.*s", BSTR_P(parts[1]));
saddf(line, "%.*s", BSTR_P(parts[2]));
for (int n = 0; n < width - 3 - pos; n++)
saddf(line, "%.*s", BSTR_P(parts[3]));
saddf(line, "%.*s", BSTR_P(parts[4]));
}
void print_status(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
update_window_title(mpctx, false);
if (!opts->use_terminal)
return;
if (opts->quiet || !(mpctx->initialized_flags & INITIALIZED_PLAYBACK)) {
term_osd_set_status(mpctx, "");
return;
}
if (opts->status_msg) {
char *r = mp_property_expand_escaped_string(mpctx, opts->status_msg);
term_osd_set_status(mpctx, r);
talloc_free(r);
return;
}
char *line = NULL;
// Playback status
if (mpctx->paused_for_cache && !opts->pause) {
saddf(&line, "(Buffering) ");
} else if (mpctx->paused) {
saddf(&line, "(Paused) ");
}
if (mpctx->d_audio)
saddf(&line, "A");
if (mpctx->d_video)
saddf(&line, "V");
saddf(&line, ": ");
// Playback position
double cur = get_current_time(mpctx);
sadd_hhmmssff(&line, cur, mpctx->opts->osd_fractions);
double len = get_time_length(mpctx);
if (len >= 0) {
saddf(&line, " / ");
sadd_hhmmssff(&line, len, mpctx->opts->osd_fractions);
}
sadd_percentage(&line, get_percent_pos(mpctx));
// other
if (opts->playback_speed != 1)
saddf(&line, " x%4.2f", opts->playback_speed);
// A-V sync
if (mpctx->d_audio && mpctx->d_video && mpctx->sync_audio_to_video) {
if (mpctx->last_av_difference != MP_NOPTS_VALUE)
saddf(&line, " A-V:%7.3f", mpctx->last_av_difference);
else
saddf(&line, " A-V: ???");
if (fabs(mpctx->total_avsync_change) > 0.05)
saddf(&line, " ct:%7.3f", mpctx->total_avsync_change);
}
#if HAVE_ENCODING
double position = get_current_pos_ratio(mpctx, true);
char lavcbuf[80];
if (encode_lavc_getstatus(mpctx->encode_lavc_ctx, lavcbuf, sizeof(lavcbuf),
position) >= 0)
{
// encoding stats
saddf(&line, " %s", lavcbuf);
} else
#endif
{
// VO stats
if (mpctx->d_video && mpctx->drop_frame_cnt)
saddf(&line, " Late: %d", mpctx->drop_frame_cnt);
}
int cache = mp_get_cache_percent(mpctx);
if (cache >= 0)
saddf(&line, " Cache: %d%%", cache);
if (opts->term_osd_bar) {
saddf(&line, "\n");
get_screen_size();
add_term_osd_bar(mpctx, &line, screen_width);
}
// end
term_osd_set_status(mpctx, line);
talloc_free(line);
}
typedef struct mp_osd_msg mp_osd_msg_t;
struct mp_osd_msg {
/// Message text.
char *msg;
int started;
/// Display duration in seconds.
double time;
// Show full OSD for duration of message instead of msg
// (osd_show_progression command)
bool show_position;
};
// time is in ms
static mp_osd_msg_t *add_osd_msg(struct MPContext *mpctx, int level, int time)
{
struct MPOpts *opts = mpctx->opts;
if (level > opts->osd_level)
return NULL;
talloc_free(mpctx->osd_msg_stack);
mpctx->osd_msg_stack = talloc_struct(mpctx, mp_osd_msg_t, {
.msg = "",
.time = time / 1000.0,
});
return mpctx->osd_msg_stack;
}
static void set_osd_msg_va(struct MPContext *mpctx, int level, int time,
const char *fmt, va_list ap)
{
if (level == OSD_LEVEL_INVISIBLE)
return;
mp_osd_msg_t *msg = add_osd_msg(mpctx, level, time);
if (msg)
msg->msg = talloc_vasprintf(msg, fmt, ap);
}
void set_osd_msg(struct MPContext *mpctx, int level, int time,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
set_osd_msg_va(mpctx, level, time, fmt, ap);
va_end(ap);
}
/**
* \brief Get the current message from the OSD stack.
*
* This function decrements the message timer and destroys the old ones.
* The message that should be displayed is returned (if any).
*
*/
static mp_osd_msg_t *get_osd_msg(struct MPContext *mpctx)
{
double now = mp_time_sec();
double diff;
if (mpctx->osd_visible && now >= mpctx->osd_visible) {
mpctx->osd_visible = 0;
mpctx->osd_progbar.type = -1; // disable
osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
}
if (mpctx->osd_function_visible && now >= mpctx->osd_function_visible) {
mpctx->osd_function_visible = 0;
mpctx->osd_function = 0;
}
if (!mpctx->osd_last_update)
mpctx->osd_last_update = now;
diff = now >= mpctx->osd_last_update ? now - mpctx->osd_last_update : 0;
mpctx->osd_last_update = now;
mp_osd_msg_t *msg = mpctx->osd_msg_stack;
if (msg) {
if (!msg->started || msg->time > diff) {
if (msg->started)
msg->time -= diff;
else
msg->started = 1;
// display it
return msg;
}
// kill the message
talloc_free(msg);
mpctx->osd_msg_stack = NULL;
}
// Nothing found
return NULL;
}
// type: mp_osd_font_codepoints, ASCII, or OSD_BAR_*
// name: fallback for terminal OSD
void set_osd_bar(struct MPContext *mpctx, int type, const char* name,
double min, double max, double neutral, double val)
{
struct MPOpts *opts = mpctx->opts;
if (opts->osd_level < 1 || !opts->osd_bar_visible)
return;
if (mpctx->video_out && opts->term_osd != 1) {
mpctx->osd_visible = mp_time_sec() + opts->osd_duration / 1000.0;
mpctx->osd_progbar.type = type;
mpctx->osd_progbar.value = (val - min) / (max - min);
mpctx->osd_progbar.num_stops = 0;
if (neutral > min && neutral < max) {
float pos = (neutral - min) / (max - min);
MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
mpctx->osd_progbar.num_stops, pos);
}
osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
return;
}
set_osd_msg(mpctx, 1, opts->osd_duration, "%s: %d %%",
name, ROUND(100 * (val - min) / (max - min)));
}
// Update a currently displayed bar of the same type, without resetting the
// timer.
static void update_osd_bar(struct MPContext *mpctx, int type,
double min, double max, double val)
{
if (mpctx->osd_progbar.type == type) {
float new_value = (val - min) / (max - min);
if (new_value != mpctx->osd_progbar.value) {
mpctx->osd_progbar.value = new_value;
osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
}
}
}
static void set_osd_bar_chapters(struct MPContext *mpctx, int type)
{
mpctx->osd_progbar.num_stops = 0;
if (mpctx->osd_progbar.type == type) {
double len = get_time_length(mpctx);
if (len > 0) {
int num = get_chapter_count(mpctx);
for (int n = 0; n < num; n++) {
double time = chapter_start_time(mpctx, n);
if (time >= 0) {
float pos = time / len;
MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
mpctx->osd_progbar.num_stops, pos);
}
}
}
}
osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
}
// osd_function is the symbol appearing in the video status, such as OSD_PLAY
void set_osd_function(struct MPContext *mpctx, int osd_function)
{
struct MPOpts *opts = mpctx->opts;
mpctx->osd_function = osd_function;
mpctx->osd_function_visible = mp_time_sec() + opts->osd_duration / 1000.0;
}
/**
* \brief Display text subtitles on the OSD
*/
void set_osd_subtitle(struct MPContext *mpctx, const char *text)
{
osd_set_text(mpctx->osd, OSDTYPE_SUB, text);
term_osd_set_subs(mpctx, text);
}
// sym == mpctx->osd_function
static void saddf_osd_function_sym(char **buffer, int sym)
{
char temp[10];
osd_get_function_sym(temp, sizeof(temp), sym);
saddf(buffer, "%s ", temp);
}
static void sadd_osd_status(char **buffer, struct MPContext *mpctx, bool full)
{
bool fractions = mpctx->opts->osd_fractions;
int sym = mpctx->osd_function;
if (!sym) {
if (mpctx->paused_for_cache && !mpctx->opts->pause) {
sym = OSD_CLOCK;
} else if (mpctx->paused || mpctx->step_frames) {
sym = OSD_PAUSE;
} else {
sym = OSD_PLAY;
}
}
saddf_osd_function_sym(buffer, sym);
char *custom_msg = mpctx->opts->osd_status_msg;
if (custom_msg && full) {
char *text = mp_property_expand_escaped_string(mpctx, custom_msg);
*buffer = talloc_strdup_append(*buffer, text);
talloc_free(text);
} else {
sadd_hhmmssff(buffer, get_current_time(mpctx), fractions);
if (full) {
saddf(buffer, " / ");
sadd_hhmmssff(buffer, get_time_length(mpctx), fractions);
sadd_percentage(buffer, get_percent_pos(mpctx));
int cache = mp_get_cache_percent(mpctx);
if (cache >= 0)
saddf(buffer, " Cache: %d%%", cache);
}
}
}
// OSD messages initated by seeking commands are added lazily with this
// function, because multiple successive seek commands can be coalesced.
static void add_seek_osd_messages(struct MPContext *mpctx)
{
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_BAR) {
double pos = get_current_pos_ratio(mpctx, false);
set_osd_bar(mpctx, OSD_BAR_SEEK, "Position", 0, 1, 0, MPCLAMP(pos, 0, 1));
set_osd_bar_chapters(mpctx, OSD_BAR_SEEK);
}
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_TEXT) {
// Never in term-osd mode
if (mpctx->video_out && mpctx->opts->term_osd != 1) {
mp_osd_msg_t *msg = add_osd_msg(mpctx, 1, mpctx->opts->osd_duration);
if (msg)
msg->show_position = true;
}
}
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_CHAPTER_TEXT) {
char *chapter = chapter_display_name(mpctx, get_current_chapter(mpctx));
set_osd_msg(mpctx, 1, mpctx->opts->osd_duration,
"Chapter: %s", chapter);
talloc_free(chapter);
}
if ((mpctx->add_osd_seek_info & OSD_SEEK_INFO_EDITION)
&& mpctx->master_demuxer)
{
set_osd_msg(mpctx, 1, mpctx->opts->osd_duration,
"Playing edition %d of %d.",
mpctx->master_demuxer->edition + 1,
mpctx->master_demuxer->num_editions);
}
mpctx->add_osd_seek_info = 0;
}
/**
* \brief Update the OSD message line.
*
* This function displays the current message on the vo OSD or on the term.
* If the stack is empty and the OSD level is high enough the timer
* is displayed (only on the vo OSD).
*
*/
void update_osd_msg(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
struct osd_state *osd = mpctx->osd;
add_seek_osd_messages(mpctx);
double pos = get_current_pos_ratio(mpctx, false);
update_osd_bar(mpctx, OSD_BAR_SEEK, 0, 1, MPCLAMP(pos, 0, 1));
print_status(mpctx);
// Look if we have a msg
mp_osd_msg_t *msg = get_osd_msg(mpctx);
if (msg && !msg->show_position) {
osd_set_text(osd, OSDTYPE_OSD, msg->msg);
term_osd_set_text(mpctx, msg->msg);
return;
}
int osd_level = opts->osd_level;
if (msg && msg->show_position)
osd_level = 3;
// clear, or if OSD level demands it, show the status
char *text = NULL;
if (osd_level >= 2)
sadd_osd_status(&text, mpctx, osd_level == 3);
osd_set_text(osd, OSDTYPE_OSD, text);
talloc_free(text);
// always clear (term-osd has separate status line)
term_osd_set_text(mpctx, "");
}
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