mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 07:42:17 +00:00
543ba6c114
This mostly uses the same idea as with vo_vdpau.c, but much simplified. On X11, it tries to get the display framerate with XF86VM, and limits the frequency of new video frames against it. Note that this is an old extension, and is confirmed not to work correctly with multi-monitor setups. But we're using it because it was already around (it is also used by vo_vdpau). This attempts to predict the next vsync event by using the time of the last frame and the display FPS. Even if that goes completely wrong, the results are still relatively good. On other systems, or if the X11 code doesn't return a display FPS, a framerate of 1000 is assumed. This is infinite for all practical purposes, and means that only frames which are definitely too late are dropped. This probably has worse results, but is still useful. "--framedrop=yes" is basically replaced with "--framedrop=decoder". The old framedropping mode is kept around, and should perhaps be improved. Dropping on the decoder level is still useful if decoding itself is too slow.
543 lines
16 KiB
C
543 lines
16 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stddef.h>
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#include <stdbool.h>
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#include <inttypes.h>
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#include <math.h>
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#include <limits.h>
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#include <assert.h>
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#include "config.h"
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#include "talloc.h"
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#include "common/msg.h"
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#include "common/msg_control.h"
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#include "options/options.h"
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#include "common/common.h"
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#include "options/m_property.h"
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#include "common/encode.h"
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#include "osdep/terminal.h"
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#include "osdep/timer.h"
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#include "demux/demux.h"
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#include "sub/osd.h"
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#include "video/out/vo.h"
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#include "core.h"
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#include "command.h"
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#define saddf(var, ...) (*(var) = talloc_asprintf_append((*var), __VA_ARGS__))
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// append time in the hh:mm:ss format (plus fractions if wanted)
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static void sadd_hhmmssff(char **buf, double time, bool fractions)
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{
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char *s = mp_format_time(time, fractions);
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*buf = talloc_strdup_append(*buf, s);
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talloc_free(s);
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}
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static void sadd_percentage(char **buf, int percent) {
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if (percent >= 0)
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*buf = talloc_asprintf_append(*buf, " (%d%%)", percent);
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}
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static char *join_lines(void *ta_ctx, char **parts, int num_parts)
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{
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char *res = talloc_strdup(ta_ctx, "");
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for (int n = 0; n < num_parts; n++)
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res = talloc_asprintf_append(res, "%s%s", n ? "\n" : "", parts[n]);
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return res;
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}
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static void term_osd_update(struct MPContext *mpctx)
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{
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int num_parts = 0;
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char *parts[3] = {0};
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if (!mpctx->opts->use_terminal)
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return;
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if (mpctx->term_osd_subs && mpctx->term_osd_subs[0])
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parts[num_parts++] = mpctx->term_osd_subs;
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if (mpctx->term_osd_text && mpctx->term_osd_text[0])
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parts[num_parts++] = mpctx->term_osd_text;
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if (mpctx->term_osd_status && mpctx->term_osd_status[0])
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parts[num_parts++] = mpctx->term_osd_status;
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char *s = join_lines(mpctx, parts, num_parts);
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if (strcmp(mpctx->term_osd_contents, s) == 0 &&
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mp_msg_has_status_line(mpctx->global))
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{
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talloc_free(s);
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} else {
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talloc_free(mpctx->term_osd_contents);
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mpctx->term_osd_contents = s;
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mp_msg(mpctx->statusline, MSGL_STATUS, "%s", s);
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}
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}
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static void term_osd_set_subs(struct MPContext *mpctx, const char *text)
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{
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if (mpctx->video_out || !text)
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text = ""; // disable
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if (strcmp(mpctx->term_osd_subs ? mpctx->term_osd_subs : "", text) == 0)
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return;
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talloc_free(mpctx->term_osd_subs);
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mpctx->term_osd_subs = talloc_strdup(mpctx, text);
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term_osd_update(mpctx);
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}
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static void term_osd_set_text(struct MPContext *mpctx, const char *text)
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{
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if (mpctx->video_out && mpctx->opts->term_osd != 1)
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text = ""; // disable
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talloc_free(mpctx->term_osd_text);
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mpctx->term_osd_text = talloc_strdup(mpctx, text);
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term_osd_update(mpctx);
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}
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static void term_osd_set_status(struct MPContext *mpctx, const char *text)
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{
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talloc_free(mpctx->term_osd_status);
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mpctx->term_osd_status = talloc_strdup(mpctx, text);
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term_osd_update(mpctx);
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}
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static void add_term_osd_bar(struct MPContext *mpctx, char **line, int width)
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{
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struct MPOpts *opts = mpctx->opts;
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if (width < 5)
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return;
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int pos = get_current_pos_ratio(mpctx, false) * (width - 3);
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pos = MPCLAMP(pos, 0, width - 3);
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bstr chars = bstr0(opts->term_osd_bar_chars);
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bstr parts[5];
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for (int n = 0; n < 5; n++)
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parts[n] = bstr_split_utf8(chars, &chars);
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saddf(line, "\r%.*s", BSTR_P(parts[0]));
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for (int n = 0; n < pos; n++)
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saddf(line, "%.*s", BSTR_P(parts[1]));
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saddf(line, "%.*s", BSTR_P(parts[2]));
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for (int n = 0; n < width - 3 - pos; n++)
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saddf(line, "%.*s", BSTR_P(parts[3]));
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saddf(line, "%.*s", BSTR_P(parts[4]));
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}
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void print_status(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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update_window_title(mpctx, false);
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if (!opts->use_terminal)
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return;
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if (opts->quiet || !(mpctx->initialized_flags & INITIALIZED_PLAYBACK)) {
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term_osd_set_status(mpctx, "");
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return;
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}
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if (opts->status_msg) {
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char *r = mp_property_expand_escaped_string(mpctx, opts->status_msg);
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term_osd_set_status(mpctx, r);
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talloc_free(r);
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return;
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}
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char *line = NULL;
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// Playback status
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if (!mpctx->restart_complete && mp_time_sec() - mpctx->start_timestamp > 0.3) {
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saddf(&line, "(...) ");
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} else if (mpctx->paused_for_cache && !opts->pause) {
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saddf(&line, "(Buffering) ");
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} else if (mpctx->paused) {
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saddf(&line, "(Paused) ");
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}
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if (mpctx->d_audio)
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saddf(&line, "A");
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if (mpctx->d_video)
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saddf(&line, "V");
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saddf(&line, ": ");
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// Playback position
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sadd_hhmmssff(&line, get_playback_time(mpctx), mpctx->opts->osd_fractions);
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double len = get_time_length(mpctx);
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if (len >= 0) {
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saddf(&line, " / ");
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sadd_hhmmssff(&line, len, mpctx->opts->osd_fractions);
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}
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sadd_percentage(&line, get_percent_pos(mpctx));
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// other
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if (opts->playback_speed != 1)
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saddf(&line, " x%4.2f", opts->playback_speed);
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// A-V sync
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if (mpctx->d_audio && mpctx->d_video && mpctx->sync_audio_to_video) {
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if (mpctx->last_av_difference != MP_NOPTS_VALUE)
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saddf(&line, " A-V:%7.3f", mpctx->last_av_difference);
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else
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saddf(&line, " A-V: ???");
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if (fabs(mpctx->total_avsync_change) > 0.05)
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saddf(&line, " ct:%7.3f", mpctx->total_avsync_change);
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}
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#if HAVE_ENCODING
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double position = get_current_pos_ratio(mpctx, true);
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char lavcbuf[80];
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if (encode_lavc_getstatus(mpctx->encode_lavc_ctx, lavcbuf, sizeof(lavcbuf),
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position) >= 0)
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{
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// encoding stats
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saddf(&line, " %s", lavcbuf);
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} else
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#endif
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{
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// VO stats
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if (mpctx->d_video) {
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if (mpctx->drop_frame_cnt)
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saddf(&line, " Late: %d", mpctx->drop_frame_cnt);
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int64_t c = vo_get_drop_count(mpctx->video_out);
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if (c > 0)
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saddf(&line, " D: %"PRId64, c);
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}
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}
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float cache = mp_get_cache_percent(mpctx);
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if (cache >= 0)
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saddf(&line, " Cache: %.2f%%", cache);
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if (opts->term_osd_bar) {
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saddf(&line, "\n");
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get_screen_size();
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add_term_osd_bar(mpctx, &line, screen_width);
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}
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// end
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term_osd_set_status(mpctx, line);
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talloc_free(line);
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}
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typedef struct mp_osd_msg mp_osd_msg_t;
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struct mp_osd_msg {
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/// Message text.
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char *msg;
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int started;
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/// Display duration in seconds.
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double time;
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// Show full OSD for duration of message instead of msg
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// (osd_show_progression command)
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bool show_position;
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};
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// time is in ms
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static mp_osd_msg_t *add_osd_msg(struct MPContext *mpctx, int level, int time)
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{
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struct MPOpts *opts = mpctx->opts;
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if (level > opts->osd_level)
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return NULL;
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talloc_free(mpctx->osd_msg_stack);
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mpctx->osd_msg_stack = talloc_struct(mpctx, mp_osd_msg_t, {
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.msg = "",
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.time = time / 1000.0,
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});
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return mpctx->osd_msg_stack;
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}
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static void set_osd_msg_va(struct MPContext *mpctx, int level, int time,
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const char *fmt, va_list ap)
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{
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if (level == OSD_LEVEL_INVISIBLE)
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return;
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mp_osd_msg_t *msg = add_osd_msg(mpctx, level, time);
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if (msg)
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msg->msg = talloc_vasprintf(msg, fmt, ap);
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}
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void set_osd_msg(struct MPContext *mpctx, int level, int time,
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const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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set_osd_msg_va(mpctx, level, time, fmt, ap);
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va_end(ap);
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}
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/**
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* \brief Get the current message from the OSD stack.
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*
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* This function decrements the message timer and destroys the old ones.
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* The message that should be displayed is returned (if any).
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*
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*/
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static mp_osd_msg_t *get_osd_msg(struct MPContext *mpctx)
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{
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double now = mp_time_sec();
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double diff;
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if (mpctx->osd_visible) {
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double sleep = mpctx->osd_visible - now;
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if (sleep > 0) {
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mpctx->sleeptime = MPMIN(mpctx->sleeptime, sleep);
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} else {
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mpctx->osd_visible = 0;
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mpctx->osd_progbar.type = -1; // disable
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osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
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}
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}
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if (mpctx->osd_function_visible && now >= mpctx->osd_function_visible) {
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mpctx->osd_function_visible = 0;
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mpctx->osd_function = 0;
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}
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if (!mpctx->osd_last_update)
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mpctx->osd_last_update = now;
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diff = now >= mpctx->osd_last_update ? now - mpctx->osd_last_update : 0;
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mpctx->osd_last_update = now;
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mp_osd_msg_t *msg = mpctx->osd_msg_stack;
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if (msg) {
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if (!msg->started || msg->time > diff) {
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// display it
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if (msg->started)
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msg->time -= diff;
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else
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msg->started = 1;
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} else {
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// kill the message
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talloc_free(msg);
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msg = NULL;
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mpctx->osd_msg_stack = NULL;
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}
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}
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if (msg)
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mpctx->sleeptime = MPMIN(mpctx->sleeptime, msg->time);
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return msg;
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}
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// type: mp_osd_font_codepoints, ASCII, or OSD_BAR_*
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// name: fallback for terminal OSD
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void set_osd_bar(struct MPContext *mpctx, int type, const char* name,
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double min, double max, double neutral, double val)
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{
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struct MPOpts *opts = mpctx->opts;
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if (opts->osd_level < 1 || !opts->osd_bar_visible)
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return;
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if (mpctx->video_out && opts->term_osd != 1) {
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mpctx->osd_visible = mp_time_sec() + opts->osd_duration / 1000.0;
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mpctx->sleeptime = 0;
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mpctx->osd_progbar.type = type;
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mpctx->osd_progbar.value = (val - min) / (max - min);
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mpctx->osd_progbar.num_stops = 0;
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if (neutral > min && neutral < max) {
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float pos = (neutral - min) / (max - min);
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MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
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mpctx->osd_progbar.num_stops, pos);
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}
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osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
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return;
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}
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set_osd_msg(mpctx, 1, opts->osd_duration, "%s: %d %%",
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name, ROUND(100 * (val - min) / (max - min)));
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}
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// Update a currently displayed bar of the same type, without resetting the
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// timer.
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static void update_osd_bar(struct MPContext *mpctx, int type,
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double min, double max, double val)
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{
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if (mpctx->osd_progbar.type == type) {
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float new_value = (val - min) / (max - min);
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if (new_value != mpctx->osd_progbar.value) {
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mpctx->osd_progbar.value = new_value;
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osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
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}
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}
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}
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static void set_osd_bar_chapters(struct MPContext *mpctx, int type)
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{
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mpctx->osd_progbar.num_stops = 0;
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if (mpctx->osd_progbar.type == type) {
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double len = get_time_length(mpctx);
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if (len > 0) {
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int num = get_chapter_count(mpctx);
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for (int n = 0; n < num; n++) {
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double time = chapter_start_time(mpctx, n);
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if (time >= 0) {
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float pos = time / len;
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MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
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mpctx->osd_progbar.num_stops, pos);
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}
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}
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}
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}
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osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
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}
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// osd_function is the symbol appearing in the video status, such as OSD_PLAY
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void set_osd_function(struct MPContext *mpctx, int osd_function)
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{
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struct MPOpts *opts = mpctx->opts;
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mpctx->osd_function = osd_function;
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mpctx->osd_function_visible = mp_time_sec() + opts->osd_duration / 1000.0;
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}
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/**
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* \brief Display text subtitles on the OSD
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*/
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void set_osd_subtitle(struct MPContext *mpctx, const char *text)
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{
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osd_set_text(mpctx->osd, OSDTYPE_SUB, text);
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term_osd_set_subs(mpctx, text);
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}
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// sym == mpctx->osd_function
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static void saddf_osd_function_sym(char **buffer, int sym)
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{
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char temp[10];
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osd_get_function_sym(temp, sizeof(temp), sym);
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saddf(buffer, "%s ", temp);
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}
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static void sadd_osd_status(char **buffer, struct MPContext *mpctx, bool full)
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{
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bool fractions = mpctx->opts->osd_fractions;
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int sym = mpctx->osd_function;
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if (!sym) {
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if (mpctx->paused_for_cache && !mpctx->opts->pause) {
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sym = OSD_CLOCK;
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} else if (mpctx->paused || mpctx->step_frames) {
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sym = OSD_PAUSE;
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} else {
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sym = OSD_PLAY;
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}
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}
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saddf_osd_function_sym(buffer, sym);
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char *custom_msg = mpctx->opts->osd_status_msg;
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if (custom_msg && full) {
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char *text = mp_property_expand_escaped_string(mpctx, custom_msg);
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*buffer = talloc_strdup_append(*buffer, text);
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talloc_free(text);
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} else {
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sadd_hhmmssff(buffer, get_playback_time(mpctx), fractions);
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if (full) {
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saddf(buffer, " / ");
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sadd_hhmmssff(buffer, get_time_length(mpctx), fractions);
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sadd_percentage(buffer, get_percent_pos(mpctx));
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}
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}
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}
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// OSD messages initated by seeking commands are added lazily with this
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// function, because multiple successive seek commands can be coalesced.
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static void add_seek_osd_messages(struct MPContext *mpctx)
|
|
{
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if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_BAR) {
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double pos = get_current_pos_ratio(mpctx, false);
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set_osd_bar(mpctx, OSD_BAR_SEEK, "Position", 0, 1, 0, MPCLAMP(pos, 0, 1));
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set_osd_bar_chapters(mpctx, OSD_BAR_SEEK);
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}
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if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_TEXT) {
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|
// Never in term-osd mode
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|
if (mpctx->video_out && mpctx->opts->term_osd != 1) {
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|
mp_osd_msg_t *msg = add_osd_msg(mpctx, 1, mpctx->opts->osd_duration);
|
|
if (msg)
|
|
msg->show_position = true;
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|
}
|
|
}
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|
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_CHAPTER_TEXT) {
|
|
char *chapter = chapter_display_name(mpctx, get_current_chapter(mpctx));
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|
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, "");
|
|
}
|