mpv/screenshot.c

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/*
* This file is part of mplayer2.
*
* mplayer2 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.
*
* mplayer2 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 mplayer2; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <string.h>
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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#include <time.h>
#include "config.h"
#include "osdep/io.h"
#include "talloc.h"
#include "screenshot.h"
#include "mp_core.h"
#include "command.h"
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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#include "bstr.h"
#include "mp_msg.h"
#include "path.h"
#include "libmpcodecs/mp_image.h"
#include "libmpcodecs/dec_video.h"
#include "libmpcodecs/vf.h"
#include "libvo/video_out.h"
#include "image_writer.h"
#include "sub/sub.h"
#include "libvo/csputils.h"
#define MODE_FULL_WINDOW 1
#define MODE_SUBTITLES 2
typedef struct screenshot_ctx {
struct MPContext *mpctx;
int mode;
int each_frame;
int using_vf_screenshot;
int frameno;
} screenshot_ctx;
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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void screenshot_init(struct MPContext *mpctx)
{
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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mpctx->screenshot_ctx = talloc(mpctx, screenshot_ctx);
*mpctx->screenshot_ctx = (screenshot_ctx) {
.mpctx = mpctx,
.frameno = 1,
};
}
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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static char *stripext(void *talloc_ctx, const char *s)
{
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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const char *end = strrchr(s, '.');
if (!end)
end = s + strlen(s);
return talloc_asprintf(talloc_ctx, "%.*s", end - s, s);
}
#ifdef _WIN32
#define ILLEGAL_FILENAME_CHARS "?\"/\\<>*|:"
#else
#define ILLEGAL_FILENAME_CHARS "/"
#endif
// Replace all characters disallowed in filenames with '_' and return the newly
// allocated result string.
static char *sanitize_filename(void *talloc_ctx, const char *s)
{
char *res = talloc_strdup(talloc_ctx, s);
char *cur = res;
while (*cur) {
if (strchr(ILLEGAL_FILENAME_CHARS, *cur) || ((unsigned char)*cur) < 32)
*cur = '_';
cur++;
}
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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return res;
}
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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static void append_filename(char **s, const char *f)
{
char *append = sanitize_filename(NULL, f);
*s = talloc_strdup_append(*s, append);
talloc_free(append);
}
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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static char *create_fname(struct MPContext *mpctx, char *template,
const char *file_ext, int *sequence, int *frameno)
{
char *res = talloc_strdup(NULL, ""); //empty string, non-NULL context
time_t raw_time = time(NULL);
struct tm *local_time = localtime(&raw_time);
if (!template || *template == '\0')
template = "shot%n";
for (;;) {
char *next = strchr(template, '%');
if (!next)
break;
res = talloc_strndup_append(res, template, next - template);
template = next + 1;
char fmt = *template++;
switch (fmt) {
case '#':
case '0':
case 'n': {
int digits = '4';
if (fmt == '#') {
if (!*sequence) {
*frameno = 1;
}
fmt = *template++;
}
if (fmt == '0') {
digits = *template++;
if (digits < '0' || digits > '9')
goto error_exit;
fmt = *template++;
}
if (fmt != 'n')
goto error_exit;
char fmtstr[] = {'%', '0', digits, 'd', '\0'};
res = talloc_asprintf_append(res, fmtstr, *frameno);
if (*frameno < 100000 - 1) {
(*frameno) += 1;
(*sequence) += 1;
}
break;
}
case 'f':
case 'F': {
char *video_file = mp_basename(mpctx->filename);
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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if (video_file) {
char *name = video_file;
if (fmt == 'F')
name = stripext(res, video_file);
append_filename(&res, name);
}
break;
}
case 'p':
case 'P': {
char *t = mp_format_time(get_current_time(mpctx), fmt == 'P');
append_filename(&res, t);
talloc_free(t);
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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break;
}
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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case 't': {
char fmt = *template;
if (!fmt)
goto error_exit;
template++;
char fmtstr[] = {'%', fmt, '\0'};
char buffer[80];
if (strftime(buffer, sizeof(buffer), fmtstr, local_time) == 0)
buffer[0] = '\0';
append_filename(&res, buffer);
break;
}
case '{': {
char *end = strchr(template, '}');
if (!end)
goto error_exit;
struct bstr prop = bstr_splice(bstr0(template), 0, end - template);
commands: change property expansion format string This affects property format strings like they are used in the "show_text" input command, for --playing-msg, and other places. To quote the documentation comment on m_properties_expand_string(): ${NAME} is expanded to the value of property NAME. If NAME starts with '=', use the raw value of the property. ${NAME:STR} expands to the property, or STR if the property is not available. ${?NAME:STR} expands to STR if the property is available. ${!NAME:STR} expands to STR if the property is not available. STR is recursively expanded using the same rules. "$$" can be used to escape "$", and "$}" to escape "}". "$>" disables parsing of "$" for the rest of the string. Most importantly, "?(property:str)" becomes "${?property:str}". Make the simple fallback case easier, e.g. "${property:fallback}" instead of "${property}?(!property:fallback)". Add the ability to escape the format meta characters. "$" is used for escaping, because escaping with "\" is taken by the commands parser in the layer below. "$>" can be used to disable interpretation of format strings (of course escapes by the commands parser can't be canceled). By default, properties which are unavailable or don't exist are turned into a string signaling the status (e.g. "(unavailable)"), instead of an empty string. If an empty string is desired, this has to be done explicitly: "${property:}" (the fallback part is an empty string). Raw properties still return an empty string on error. m_properties_expand_string() now returns a talloc'ed pointer, instead of a malloc'ed one.
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char *tmp = talloc_asprintf(NULL, "${%.*s}", BSTR_P(prop));
char *s = mp_property_expand_string(mpctx, tmp);
talloc_free(tmp);
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
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if (s)
append_filename(&res, s);
talloc_free(s);
commands: change property expansion format string This affects property format strings like they are used in the "show_text" input command, for --playing-msg, and other places. To quote the documentation comment on m_properties_expand_string(): ${NAME} is expanded to the value of property NAME. If NAME starts with '=', use the raw value of the property. ${NAME:STR} expands to the property, or STR if the property is not available. ${?NAME:STR} expands to STR if the property is available. ${!NAME:STR} expands to STR if the property is not available. STR is recursively expanded using the same rules. "$$" can be used to escape "$", and "$}" to escape "}". "$>" disables parsing of "$" for the rest of the string. Most importantly, "?(property:str)" becomes "${?property:str}". Make the simple fallback case easier, e.g. "${property:fallback}" instead of "${property}?(!property:fallback)". Add the ability to escape the format meta characters. "$" is used for escaping, because escaping with "\" is taken by the commands parser in the layer below. "$>" can be used to disable interpretation of format strings (of course escapes by the commands parser can't be canceled). By default, properties which are unavailable or don't exist are turned into a string signaling the status (e.g. "(unavailable)"), instead of an empty string. If an empty string is desired, this has to be done explicitly: "${property:}" (the fallback part is an empty string). Raw properties still return an empty string on error. m_properties_expand_string() now returns a talloc'ed pointer, instead of a malloc'ed one.
2012-09-23 21:00:54 +00:00
template = end + 1;
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
break;
}
case '%':
res = talloc_strdup_append(res, "%");
break;
default:
goto error_exit;
}
}
res = talloc_strdup_append(res, template);
return talloc_asprintf_append(res, ".%s", file_ext);
error_exit:
talloc_free(res);
return NULL;
}
static char *gen_fname(screenshot_ctx *ctx, const char *file_ext)
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
{
int sequence = 0;
for (;;) {
int prev_sequence = sequence;
char *fname = create_fname(ctx->mpctx,
ctx->mpctx->opts.screenshot_template,
file_ext,
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
&sequence,
&ctx->frameno);
if (!fname) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Invalid screenshot filename "
"template! Fix or remove the --screenshot-template option."
"\n");
return NULL;
}
if (!mp_path_exists(fname))
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
return fname;
if (sequence == prev_sequence) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Can't save screenshot, file '%s' "
"already exists!\n", fname);
talloc_free(fname);
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
return NULL;
}
talloc_free(fname);
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
}
}
static struct mp_image *add_subs(struct MPContext *mpctx,
struct mp_image *image,
struct mp_csp_details *csp)
{
if (!(image->flags & MP_IMGFLAG_ALLOCATED)) {
struct mp_image *new_image = alloc_mpi(image->width, image->height,
image->imgfmt);
copy_mpi(new_image, image);
new_image->w = image->w;
new_image->h = image->h;
image = new_image;
}
double sar = (double)image->width / image->height;
double dar = (double)image->w / image->h;
struct mp_osd_res res = {
.w = image->width,
.h = image->height,
.display_par = sar / dar,
.video_par = dar / sar,
};
// It's not really clear what's the difference between w and width
struct mp_image hack = *image;
hack.w = hack.width;
hack.h = hack.height;
osd_draw_on_image(mpctx->osd, res, mpctx->osd->vo_pts,
OSD_DRAW_SUB_ONLY, &hack, csp);
return image;
}
static void screenshot_save(struct MPContext *mpctx, struct mp_image *image,
bool with_subs)
{
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
screenshot_ctx *ctx = mpctx->screenshot_ctx;
struct mp_csp_details colorspace;
get_detected_video_colorspace(mpctx->sh_video, &colorspace);
struct image_writer_opts *opts = mpctx->opts.screenshot_image_opts;
struct mp_image *new_image = image;
if (with_subs)
new_image = add_subs(mpctx, new_image, &colorspace);
char *filename = gen_fname(ctx, image_writer_file_ext(opts));
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
if (filename) {
mp_msg(MSGT_CPLAYER, MSGL_INFO, "*** screenshot '%s' ***\n", filename);
if (!write_image(new_image, &colorspace, opts, filename))
mp_msg(MSGT_CPLAYER, MSGL_ERR, "\nError writing screenshot!\n");
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
talloc_free(filename);
}
if (new_image != image)
free_mp_image(new_image);
}
static void vf_screenshot_callback(void *pctx, struct mp_image *image)
{
struct MPContext *mpctx = (struct MPContext *)pctx;
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
screenshot_ctx *ctx = mpctx->screenshot_ctx;
screenshot_save(mpctx, image, ctx->mode);
if (ctx->each_frame)
screenshot_request(mpctx, ctx->mode, false);
}
static bool force_vf(struct MPContext *mpctx)
{
if (mpctx->sh_video) {
struct vf_instance *vf = mpctx->sh_video->vfilter;
while (vf) {
if (strcmp(vf->info->name, "screenshot_force") == 0)
return true;
vf = vf->next;
}
}
return false;
}
void screenshot_request(struct MPContext *mpctx, int mode, bool each_frame)
{
if (mpctx->video_out && mpctx->video_out->config_ok) {
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
screenshot_ctx *ctx = mpctx->screenshot_ctx;
ctx->using_vf_screenshot = 0;
if (mode == MODE_SUBTITLES && mpctx->osd->render_subs_in_filter)
mode = 0;
if (each_frame) {
ctx->each_frame = !ctx->each_frame;
ctx->mode = mode;
if (!ctx->each_frame)
return;
}
struct voctrl_screenshot_args args =
{ .full_window = (mode == MODE_FULL_WINDOW) };
if (!force_vf(mpctx)
&& vo_control(mpctx->video_out, VOCTRL_SCREENSHOT, &args) == true)
{
if (args.has_osd)
mode = 0;
screenshot_save(mpctx, args.out_image, mode == MODE_SUBTITLES);
free_mp_image(args.out_image);
} else {
mp_msg(MSGT_CPLAYER, MSGL_INFO, "No VO support for taking"
" screenshots, trying VFCTRL_SCREENSHOT!\n");
ctx->using_vf_screenshot = 1;
struct vf_ctrl_screenshot cmd = {
.image_callback = vf_screenshot_callback,
.image_callback_ctx = mpctx,
};
struct vf_instance *vfilter = mpctx->sh_video->vfilter;
if (vfilter->control(vfilter, VFCTRL_SCREENSHOT, &cmd) !=
CONTROL_OK)
mp_msg(MSGT_CPLAYER, MSGL_INFO,
"...failed (need --vf=screenshot?)\n");
}
}
}
void screenshot_flip(struct MPContext *mpctx)
{
screenshot: make screenshot filenames configurable This adds the --screenshot-template option, which specifies a template for the filename used for a screenshot. The '%' character is parsed as format specifier. These format specifiers insert metadata into the filename. For example, '%f' is replaced with the filename of the currently played file. The following format specifiers are available: %n Insert sequence number (padded with 4 zeros), e.g. "0002". %0Nn Like %n, but pad to N zeros (N = 0 to 9). %n behaves like %04n. %#n Like %n, but reset the sequence counter on every screenshot. (Useful if other parts in the template make the resulting filename already mostly unique.) %#0Nn Use %0Nn and %#n at the same time. %f Insert filename of the currently played video. %F Like %f, but with stripped file extension ("." and rest). %p Insert current playback time, in HH:MM:SS format. %P Like %p, but adds milliseconds: HH:MM:SS.mmmm %tX Insert the current local date/time, using the date format X. X is a single letter and is passed to strftime() as "%X". E.g. "%td" inserts the number of the current day. %{prop} Insert the value of the slave property 'prop'. E.g. %{filename} is the same as %f. If the property doesn't exist or is not available, nothing is inserted, unless a fallback is specified as in %{prop:fallback text}. %% Insert the character '%'. The strings inserted by format specifiers will be checked for characters not allowed in filenames (including '/' and '\'), and replaced with the placeholder '_'. (This doesn't happen for text that was passed with the --screenshot-template option, and allows specifying a screenshot target directory by prefixing the template with a relative or absolute path.)
2012-02-29 02:46:25 +00:00
screenshot_ctx *ctx = mpctx->screenshot_ctx;
if (!ctx->each_frame)
return;
// screenshot_flip is called when the VO presents a new frame. vf_screenshot
// can behave completely different (consider filters inserted between
// vf_screenshot and vf_vo, that add or remove frames), so handle this case
// somewhere else.
if (ctx->using_vf_screenshot)
return;
screenshot_request(mpctx, ctx->mode, false);
}