mirror of
https://github.com/mpv-player/mpv
synced 2024-12-21 06:14:32 +00:00
6d36fad83c
Move dec_video.c to filters/f_decoder_wrapper.c. It essentially becomes a source filter. vd.h mostly disappears, because mp_filter takes care of the dataflow, but its remains are in struct mp_decoder_fns. One goal is to simplify dataflow by letting the filter framework handle it (or more accurately, using its conventions). One result is that the decode calls disappear from video.c, because we simply connect the decoder wrapper and the filter chain with mp_pin_connect(). Another goal is to eventually remove the code duplication between the audio and video paths for this. This commit prepares for this by trying to make f_decoder_wrapper.c extensible, so it can be used for audio as well later. Decoder framedropping changes a bit. It doesn't seem to be worse than before, and it's an obscure feature, so I'm content with its new state. Some special code that was apparently meant to avoid dropping too many frames in a row is removed, though. I'm not sure how the source code tree should be organized. For one, video/decode/vd_lavc.c is the only file in its directory, which is a bit annoying.
577 lines
18 KiB
C
577 lines
18 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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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 "mpv_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 "filters/f_decoder_wrapper.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 "stream/stream.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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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_lazy(struct MPContext *mpctx, const char *text)
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{
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bool video_osd = mpctx->video_out && mpctx->opts->video_osd;
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if ((video_osd && mpctx->opts->term_osd != 1) || !text)
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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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}
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static void term_osd_set_status_lazy(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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int w = 80, h = 24;
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terminal_get_size(&w, &h);
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if (strlen(mpctx->term_osd_status) > w && !strchr(mpctx->term_osd_status, '\n'))
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mpctx->term_osd_status[w] = '\0';
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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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static bool is_busy(struct MPContext *mpctx)
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{
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return !mpctx->restart_complete && mp_time_sec() - mpctx->start_timestamp > 0.3;
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}
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static char *get_term_status_msg(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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if (opts->status_msg)
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return mp_property_expand_escaped_string(mpctx, opts->status_msg);
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char *line = NULL;
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// Playback status
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if (is_busy(mpctx)) {
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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->ao_chain)
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saddf(&line, "A");
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if (mpctx->vo_chain)
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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), opts->osd_fractions);
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saddf(&line, " / ");
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sadd_hhmmssff(&line, get_time_length(mpctx), opts->osd_fractions);
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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->ao_chain && mpctx->vo_chain && !mpctx->vo_chain->is_coverart) {
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saddf(&line, " A-V:%7.3f", mpctx->last_av_difference);
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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->vo_chain) {
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if (mpctx->display_sync_active) {
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char *r = mp_property_expand_string(mpctx,
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"${?vsync-ratio:${vsync-ratio}}");
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if (r[0]) {
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saddf(&line, " DS: %s/%"PRId64, r,
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vo_get_delayed_count(mpctx->video_out));
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}
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talloc_free(r);
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}
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int64_t c = vo_get_drop_count(mpctx->video_out);
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struct mp_decoder_wrapper *dec = mpctx->vo_chain->track
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? mpctx->vo_chain->track->dec : NULL;
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int dropped_frames = dec ? dec->dropped_frames : 0;
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if (c > 0 || dropped_frames > 0) {
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saddf(&line, " Dropped: %"PRId64, c);
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if (dropped_frames)
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saddf(&line, "/%d", dropped_frames);
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}
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}
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}
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if (mpctx->demuxer) {
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struct stream_cache_info info = {0};
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demux_stream_control(mpctx->demuxer, STREAM_CTRL_GET_CACHE_INFO, &info);
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if (info.size > 0 || mpctx->demuxer->is_network) {
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saddf(&line, " Cache: ");
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struct demux_ctrl_reader_state s = {.ts_duration = -1};
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demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s);
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if (s.ts_duration < 0) {
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saddf(&line, "???");
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} else {
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saddf(&line, "%2ds", (int)s.ts_duration);
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}
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int64_t cache_size = s.fw_bytes + info.fill;
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if (cache_size > 0) {
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if (cache_size >= 1024 * 1024) {
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saddf(&line, "+%lldMB", (long long)(cache_size / 1024 / 1024));
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} else {
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saddf(&line, "+%lldKB", (long long)(cache_size / 1024));
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}
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}
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}
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}
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return line;
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}
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static void term_osd_print_status_lazy(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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update_vo_playback_state(mpctx);
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if (!opts->use_terminal)
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return;
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if (opts->quiet || !mpctx->playback_initialized || !mpctx->playing_msg_shown)
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{
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term_osd_set_status_lazy(mpctx, "");
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return;
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}
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char *line = get_term_status_msg(mpctx);
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if (opts->term_osd_bar) {
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saddf(&line, "\n");
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int w = 80, h = 24;
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terminal_get_size(&w, &h);
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add_term_osd_bar(mpctx, &line, w);
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}
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term_osd_set_status_lazy(mpctx, line);
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talloc_free(line);
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}
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static bool 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 > mpctx->opts->osd_level)
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return false;
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talloc_free(mpctx->osd_msg_text);
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mpctx->osd_msg_text = talloc_vasprintf(mpctx, fmt, ap);
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mpctx->osd_show_pos = false;
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mpctx->osd_msg_next_duration = time / 1000.0;
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mpctx->osd_force_update = true;
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mp_wakeup_core(mpctx);
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if (mpctx->osd_msg_next_duration <= 0)
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mpctx->osd_msg_visible = mp_time_sec();
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return true;
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}
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bool 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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bool r = set_osd_msg_va(mpctx, level, time, fmt, ap);
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va_end(ap);
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return r;
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}
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// type: mp_osd_font_codepoints, ASCII, or OSD_BAR_*
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void set_osd_bar(struct MPContext *mpctx, int type,
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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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bool video_osd = mpctx->video_out && mpctx->opts->video_osd;
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if (opts->osd_level < 1 || !opts->osd_bar_visible || !video_osd)
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return;
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mpctx->osd_visible = mp_time_sec() + opts->osd_duration / 1000.0;
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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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mp_wakeup_core(mpctx);
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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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return;
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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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void set_osd_bar_chapters(struct MPContext *mpctx, int type)
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{
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struct MPOpts *opts = mpctx->opts;
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if (mpctx->osd_progbar.type != type)
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return;
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mpctx->osd_progbar.num_stops = 0;
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double len = get_time_length(mpctx);
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if (len > 0) {
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double ab_loop_start_time = get_ab_loop_start_time(mpctx);
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if (opts->ab_loop[0] != MP_NOPTS_VALUE ||
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(ab_loop_start_time != MP_NOPTS_VALUE &&
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opts->ab_loop[1] != MP_NOPTS_VALUE))
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{
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MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
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mpctx->osd_progbar.num_stops, ab_loop_start_time / len);
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}
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if (opts->ab_loop[1] != MP_NOPTS_VALUE) {
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MP_TARRAY_APPEND(mpctx, mpctx->osd_progbar.stops,
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mpctx->osd_progbar.num_stops, opts->ab_loop[1] / len);
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}
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if (mpctx->osd_progbar.num_stops == 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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mp_wakeup_core(mpctx);
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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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mpctx->osd_force_update = true;
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mp_wakeup_core(mpctx);
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}
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void get_current_osd_sym(struct MPContext *mpctx, char *buf, size_t buf_size)
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{
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int sym = mpctx->osd_function;
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if (!sym) {
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if (is_busy(mpctx) || (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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osd_get_function_sym(buf, buf_size, sym);
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}
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static void sadd_osd_status(char **buffer, struct MPContext *mpctx, int level)
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{
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assert(level >= 0 && level <= 3);
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if (level == 0)
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return;
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char *msg = mpctx->opts->osd_msg[level - 1];
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if (msg && msg[0]) {
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char *text = mp_property_expand_escaped_string(mpctx, msg);
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*buffer = talloc_strdup_append(*buffer, text);
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talloc_free(text);
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} else if (level >= 2) {
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bool fractions = mpctx->opts->osd_fractions;
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char sym[10];
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get_current_osd_sym(mpctx, sym, sizeof(sym));
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saddf(buffer, "%s ", sym);
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char *custom_msg = mpctx->opts->osd_status_msg;
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if (custom_msg && level == 3) {
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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 (level == 3) {
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saddf(buffer, " / ");
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sadd_hhmmssff(buffer, get_time_length(mpctx), fractions);
|
|
sadd_percentage(buffer, get_percent_pos(mpctx));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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, 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
|
|
bool video_osd = mpctx->video_out && mpctx->opts->video_osd;
|
|
if (video_osd && mpctx->opts->term_osd != 1) {
|
|
if (set_osd_msg(mpctx, 1, mpctx->opts->osd_duration, ""))
|
|
mpctx->osd_show_pos = 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_CURRENT_FILE) {
|
|
if (mpctx->filename) {
|
|
set_osd_msg(mpctx, 1, mpctx->opts->osd_duration, "%s",
|
|
mpctx->filename);
|
|
}
|
|
}
|
|
mpctx->add_osd_seek_info = 0;
|
|
}
|
|
|
|
// Update the OSD text (both on VO and terminal status line).
|
|
void update_osd_msg(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
struct osd_state *osd = mpctx->osd;
|
|
|
|
double now = mp_time_sec();
|
|
|
|
if (!mpctx->osd_force_update) {
|
|
// Assume nothing is going on at all.
|
|
if (!mpctx->osd_idle_update)
|
|
return;
|
|
|
|
double delay = 0.050; // update the OSD at most this often
|
|
double diff = now - mpctx->osd_last_update;
|
|
if (diff < delay) {
|
|
mp_set_timeout(mpctx, delay - diff);
|
|
return;
|
|
}
|
|
}
|
|
mpctx->osd_force_update = false;
|
|
mpctx->osd_idle_update = false;
|
|
mpctx->osd_last_update = now;
|
|
|
|
if (mpctx->osd_visible) {
|
|
double sleep = mpctx->osd_visible - now;
|
|
if (sleep > 0) {
|
|
mp_set_timeout(mpctx, sleep);
|
|
mpctx->osd_idle_update = true;
|
|
} else {
|
|
mpctx->osd_visible = 0;
|
|
mpctx->osd_progbar.type = -1; // disable
|
|
osd_set_progbar(mpctx->osd, &mpctx->osd_progbar);
|
|
}
|
|
}
|
|
|
|
if (mpctx->osd_function_visible) {
|
|
double sleep = mpctx->osd_function_visible - now;
|
|
if (sleep > 0) {
|
|
mp_set_timeout(mpctx, sleep);
|
|
mpctx->osd_idle_update = true;
|
|
} else {
|
|
mpctx->osd_function_visible = 0;
|
|
mpctx->osd_function = 0;
|
|
}
|
|
}
|
|
|
|
if (mpctx->osd_msg_next_duration > 0) {
|
|
// This is done to avoid cutting the OSD message short if slow commands
|
|
// are executed between setting the OSD message and showing it.
|
|
mpctx->osd_msg_visible = now + mpctx->osd_msg_next_duration;
|
|
mpctx->osd_msg_next_duration = 0;
|
|
}
|
|
|
|
if (mpctx->osd_msg_visible) {
|
|
double sleep = mpctx->osd_msg_visible - now;
|
|
if (sleep > 0) {
|
|
mp_set_timeout(mpctx, sleep);
|
|
mpctx->osd_idle_update = true;
|
|
} else {
|
|
talloc_free(mpctx->osd_msg_text);
|
|
mpctx->osd_msg_text = NULL;
|
|
mpctx->osd_msg_visible = 0;
|
|
mpctx->osd_show_pos = false;
|
|
}
|
|
}
|
|
|
|
add_seek_osd_messages(mpctx);
|
|
|
|
if (mpctx->osd_progbar.type == OSD_BAR_SEEK) {
|
|
double pos = get_current_pos_ratio(mpctx, false);
|
|
update_osd_bar(mpctx, OSD_BAR_SEEK, 0, 1, MPCLAMP(pos, 0, 1));
|
|
}
|
|
|
|
term_osd_set_text_lazy(mpctx, mpctx->osd_msg_text);
|
|
term_osd_print_status_lazy(mpctx);
|
|
term_osd_update(mpctx);
|
|
|
|
if (!opts->video_osd)
|
|
return;
|
|
|
|
int osd_level = opts->osd_level;
|
|
if (mpctx->osd_show_pos)
|
|
osd_level = 3;
|
|
|
|
char *text = NULL;
|
|
sadd_osd_status(&text, mpctx, osd_level);
|
|
if (mpctx->osd_msg_text && mpctx->osd_msg_text[0]) {
|
|
text = talloc_asprintf_append(text, "%s%s", text ? "\n" : "",
|
|
mpctx->osd_msg_text);
|
|
}
|
|
osd_set_text(osd, text);
|
|
talloc_free(text);
|
|
}
|