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command.c
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command.c
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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <inttypes.h>
#include <unistd.h>
#include <string.h>
#include <stdbool.h>
#include "config.h"
#include "talloc.h"
#include "command.h"
#include "input/input.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"
#include "codec-cfg.h"
#include "mplayer.h"
#include "sub/sub.h"
#include "sub/dec_sub.h"
#include "m_option.h"
#include "m_property.h"
#include "m_config.h"
#include "metadata.h"
#include "libmpcodecs/vf.h"
#include "libmpcodecs/vd.h"
#include "mp_osd.h"
#include "libvo/video_out.h"
#include "libvo/csputils.h"
#include "playtree.h"
#include "libao2/audio_out.h"
#include "mpcommon.h"
#include "mixer.h"
#include "libmpcodecs/dec_video.h"
#include "libmpcodecs/dec_audio.h"
#include "libmpcodecs/dec_teletext.h"
#include "osdep/strsep.h"
#include "sub/vobsub.h"
#include "sub/spudec.h"
#include "path.h"
#include "sub/ass_mp.h"
#include "stream/tv.h"
#include "stream/stream_radio.h"
#include "stream/pvr.h"
#ifdef CONFIG_DVBIN
#include "stream/dvbin.h"
#endif
#ifdef CONFIG_DVDREAD
#include "stream/stream_dvd.h"
#endif
#include "stream/stream_dvdnav.h"
#include "m_struct.h"
#include "screenshot.h"
#include "mp_core.h"
#include "mp_fifo.h"
#include "libavutil/avstring.h"
static void rescale_input_coordinates(struct MPContext *mpctx, int ix, int iy,
double *dx, double *dy)
{
struct MPOpts *opts = &mpctx->opts;
struct vo *vo = mpctx->video_out;
//remove the borders, if any, and rescale to the range [0,1],[0,1]
if (vo_fs) { //we are in full-screen mode
if (opts->vo_screenwidth > vo->dwidth)
// there are borders along the x axis
ix -= (opts->vo_screenwidth - vo->dwidth) / 2;
if (opts->vo_screenheight > vo->dheight)
// there are borders along the y axis (usual way)
iy -= (opts->vo_screenheight - vo->dheight) / 2;
if (ix < 0 || ix > vo->dwidth) {
*dx = *dy = -1.0;
return;
} //we are on one of the borders
if (iy < 0 || iy > vo->dheight) {
*dx = *dy = -1.0;
return;
} //we are on one of the borders
}
*dx = (double) ix / (double) vo->dwidth;
*dy = (double) iy / (double) vo->dheight;
mp_msg(MSGT_CPLAYER, MSGL_V,
"\r\nrescaled coordinates: %.3f, %.3f, screen (%d x %d), vodisplay: (%d, %d), fullscreen: %d\r\n",
*dx, *dy, opts->vo_screenwidth, opts->vo_screenheight, vo->dwidth,
vo->dheight, vo_fs);
}
static int sub_pos_by_source(MPContext *mpctx, int src)
{
int i, cnt = 0;
if (src >= SUB_SOURCES || mpctx->sub_counts[src] == 0)
return -1;
for (i = 0; i < src; i++)
cnt += mpctx->sub_counts[i];
return cnt;
}
static int sub_source_and_index_by_pos(MPContext *mpctx, int *pos)
{
int start = 0;
int i;
for (i = 0; i < SUB_SOURCES; i++) {
int cnt = mpctx->sub_counts[i];
if (*pos >= start && *pos < start + cnt) {
*pos -= start;
return i;
}
start += cnt;
}
*pos = -1;
return -1;
}
static int sub_source_by_pos(MPContext *mpctx, int pos)
{
return sub_source_and_index_by_pos(mpctx, &pos);
}
static int sub_source_pos(MPContext *mpctx)
{
int pos = mpctx->global_sub_pos;
sub_source_and_index_by_pos(mpctx, &pos);
return pos;
}
static int sub_source(MPContext *mpctx)
{
return sub_source_by_pos(mpctx, mpctx->global_sub_pos);
}
static void update_global_sub_size(MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int i;
int cnt = 0;
// update number of demuxer sub streams
for (i = 0; i < MAX_S_STREAMS; i++)
if (mpctx->d_sub->demuxer->s_streams[i])
cnt++;
if (cnt > mpctx->sub_counts[SUB_SOURCE_DEMUX])
mpctx->sub_counts[SUB_SOURCE_DEMUX] = cnt;
// update global size
mpctx->global_sub_size = 0;
for (i = 0; i < SUB_SOURCES; i++)
mpctx->global_sub_size += mpctx->sub_counts[i];
// update global_sub_pos if we auto-detected a demuxer sub
if (mpctx->global_sub_pos == -1) {
int sub_id = -1;
if (mpctx->demuxer->sub)
sub_id = mpctx->demuxer->sub->id;
if (sub_id < 0)
sub_id = opts->sub_id;
if (sub_id >= 0 && sub_id < mpctx->sub_counts[SUB_SOURCE_DEMUX])
mpctx->global_sub_pos = sub_pos_by_source(mpctx, SUB_SOURCE_DEMUX) +
sub_id;
}
}
/**
* \brief Log the currently displayed subtitle to a file
*
* Logs the current or last displayed subtitle together with filename
* and time information to ~/.mplayer/subtitle_log
*
* Intended purpose is to allow convenient marking of bogus subtitles
* which need to be fixed while watching the movie.
*/
static void log_sub(struct MPContext *mpctx)
{
char *fname;
FILE *f;
int i;
struct subtitle *vo_sub_last = mpctx->vo_sub_last;
if (mpctx->subdata == NULL || vo_sub_last == NULL)
return;
fname = get_path("subtitle_log");
f = fopen(fname, "a");
if (!f)
return;
fprintf(f, "----------------------------------------------------------\n");
if (mpctx->subdata->sub_uses_time) {
fprintf(f,
"N: %s S: %02ld:%02ld:%02ld.%02ld E: %02ld:%02ld:%02ld.%02ld\n",
mpctx->filename, vo_sub_last->start / 360000,
(vo_sub_last->start / 6000) % 60,
(vo_sub_last->start / 100) % 60, vo_sub_last->start % 100,
vo_sub_last->end / 360000, (vo_sub_last->end / 6000) % 60,
(vo_sub_last->end / 100) % 60, vo_sub_last->end % 100);
} else {
fprintf(f, "N: %s S: %ld E: %ld\n", mpctx->filename,
vo_sub_last->start, vo_sub_last->end);
}
for (i = 0; i < vo_sub_last->lines; i++)
fprintf(f, "%s\n", vo_sub_last->text[i]);
fclose(f);
}
static int mp_property_generic_option(struct m_option *prop, int action,
void *arg, MPContext *mpctx)
{
char *optname = prop->priv;
const struct m_option *opt = m_config_get_option(mpctx->mconfig,
bstr(optname));
void *valptr = m_option_get_ptr(opt, &mpctx->opts);
switch (action) {
case M_PROPERTY_GET_TYPE:
*(const struct m_option **)arg = opt;
return M_PROPERTY_OK;
case M_PROPERTY_GET:
m_option_copy(opt, arg, valptr);
return M_PROPERTY_OK;
case M_PROPERTY_SET:
m_option_copy(opt, valptr, arg);
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
if (opt->type == &m_option_type_choice) {
int v = *(int *) valptr;
int best = v;
struct m_opt_choice_alternatives *alt;
for (alt = opt->priv; alt->name; alt++)
if ((unsigned) alt->value - v - 1 < (unsigned) best - v - 1)
best = alt->value;
*(int *) valptr = best;
return M_PROPERTY_OK;
}
break;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// OSD level (RW)
static int mp_property_osdlevel(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
return m_property_choice(prop, action, arg, &mpctx->opts.osd_level);
}
/// Loop (RW)
static int mp_property_loop(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
switch (action) {
case M_PROPERTY_PRINT:
if (!arg)
return M_PROPERTY_ERROR;
if (opts->loop_times < 0)
*(char **)arg = talloc_strdup(NULL, "off");
else if (opts->loop_times == 0)
*(char **)arg = talloc_strdup(NULL, "inf");
else
break;
return M_PROPERTY_OK;
}
return m_property_int_range(prop, action, arg, &opts->loop_times);
}
/// Playback speed (RW)
static int mp_property_playback_speed(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
double orig_speed = opts->playback_speed;
switch (action) {
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
opts->playback_speed = *(float *) arg;
goto set;
case M_PROPERTY_STEP:
opts->playback_speed += (arg ? *(float *) arg : 0.1);
set:
M_PROPERTY_CLAMP(prop, opts->playback_speed);
if (opts->playback_speed == orig_speed)
return M_PROPERTY_OK;
// Adjust time until next frame flip for nosound mode
mpctx->time_frame *= orig_speed / opts->playback_speed;
if (mpctx->sh_audio) {
double a = ao_get_delay(mpctx->ao);
mpctx->delay += (opts->playback_speed - orig_speed) * a;
}
reinit_audio_chain(mpctx);
return M_PROPERTY_OK;
}
return m_property_float_range(prop, action, arg, &opts->playback_speed);
}
/// filename with path (RO)
static int mp_property_path(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->filename)
return M_PROPERTY_UNAVAILABLE;
return m_property_string_ro(prop, action, arg, mpctx->filename);
}
/// filename without path (RO)
static int mp_property_filename(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
char *f;
if (!mpctx->filename)
return M_PROPERTY_UNAVAILABLE;
f = (char *)mp_basename(mpctx->filename);
if (!*f)
f = mpctx->filename;
return m_property_string_ro(prop, action, arg, f);
}
static int mp_property_media_title(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
char *name = NULL;
if (mpctx->resolve_result)
name = mpctx->resolve_result->title;
if (name && name[0])
return m_property_string_ro(prop, action, arg, name);
return mp_property_filename(prop, action, arg, mpctx);
}
static int mp_property_stream_path(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct stream *stream = mpctx->stream;
if (!stream || !stream->url)
return M_PROPERTY_UNAVAILABLE;
return m_property_string_ro(prop, action, arg, stream->url);
}
/// Demuxer name (RO)
static int mp_property_demuxer(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->demuxer)
return M_PROPERTY_UNAVAILABLE;
return m_property_string_ro(prop, action, arg,
(char *) mpctx->demuxer->desc->name);
}
/// Position in the stream (RW)
static int mp_property_stream_pos(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->demuxer || !mpctx->demuxer->stream)
return M_PROPERTY_UNAVAILABLE;
if (!arg)
return M_PROPERTY_ERROR;
switch (action) {
case M_PROPERTY_GET:
*(off_t *) arg = stream_tell(mpctx->demuxer->stream);
return M_PROPERTY_OK;
case M_PROPERTY_SET:
M_PROPERTY_CLAMP(prop, *(off_t *) arg);
stream_seek(mpctx->demuxer->stream, *(off_t *) arg);
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Stream start offset (RO)
static int mp_property_stream_start(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->demuxer || !mpctx->demuxer->stream)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t *) arg = mpctx->demuxer->stream->start_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Stream end offset (RO)
static int mp_property_stream_end(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->demuxer || !mpctx->demuxer->stream)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t *) arg = mpctx->demuxer->stream->end_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Stream length (RO)
static int mp_property_stream_length(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->demuxer || !mpctx->demuxer->stream)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t *) arg =
mpctx->demuxer->stream->end_pos - mpctx->demuxer->stream->start_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Current stream position in seconds (RO)
static int mp_property_stream_time_pos(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->demuxer || mpctx->demuxer->stream_pts == MP_NOPTS_VALUE)
return M_PROPERTY_UNAVAILABLE;
return m_property_time_ro(prop, action, arg, mpctx->demuxer->stream_pts);
}
/// Media length in seconds (RO)
static int mp_property_length(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
double len;
if (!mpctx->demuxer ||
!(int) (len = get_time_length(mpctx)))
return M_PROPERTY_UNAVAILABLE;
return m_property_time_ro(prop, action, arg, len);
}
/// Current position in percent (RW)
static int mp_property_percent_pos(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
int pos;
if (!mpctx->demuxer)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(int *)arg);
pos = *(int *)arg;
break;
case M_PROPERTY_STEP:
pos = get_percent_pos(mpctx);
pos += (arg ? *(int *)arg : 10);
M_PROPERTY_CLAMP(prop, pos);
break;
default:
return m_property_int_ro(prop, action, arg, get_percent_pos(mpctx));
}
queue_seek(mpctx, MPSEEK_FACTOR, pos / 100.0, 0);
return M_PROPERTY_OK;
}
/// Current position in seconds (RW)
static int mp_property_time_pos(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!(mpctx->sh_video || mpctx->sh_audio))
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(double *)arg);
queue_seek(mpctx, MPSEEK_ABSOLUTE, *(double *)arg, 0);
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
queue_seek(mpctx, MPSEEK_RELATIVE, (arg ? *(double *)arg : 10.0), 0);
return M_PROPERTY_OK;
}
return m_property_time_ro(prop, action, arg, get_current_time(mpctx));
}
/// Current chapter (RW)
static int mp_property_chapter(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int chapter = -1;
int step_all;
char *chapter_name = NULL;
if (mpctx->demuxer)
chapter = get_current_chapter(mpctx);
if (chapter < -1)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
*(int *) arg = chapter;
return M_PROPERTY_OK;
case M_PROPERTY_PRINT: {
if (!arg)
return M_PROPERTY_ERROR;
chapter_name = chapter_display_name(mpctx, chapter);
if (!chapter_name)
return M_PROPERTY_UNAVAILABLE;
*(char **) arg = chapter_name;
return M_PROPERTY_OK;
}
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(int *)arg);
step_all = *(int *)arg - chapter;
chapter += step_all;
break;
case M_PROPERTY_STEP: {
step_all = (arg && *(int *)arg != 0 ? *(int *)arg : 1);
chapter += step_all;
if (chapter < 0)
chapter = 0;
break;
}
default:
return M_PROPERTY_NOT_IMPLEMENTED;
}
double next_pts = 0;
queue_seek(mpctx, MPSEEK_NONE, 0, 0);
chapter = seek_chapter(mpctx, chapter, &next_pts);
if (chapter >= 0) {
if (next_pts > -1.0)
queue_seek(mpctx, MPSEEK_ABSOLUTE, next_pts, 0);
chapter_name = chapter_display_name(mpctx, chapter);
set_osd_tmsg(OSD_MSG_TEXT, 1, opts->osd_duration,
"Chapter: %s", chapter_name);
} else if (step_all > 0)
queue_seek(mpctx, MPSEEK_RELATIVE, 1000000000, 0);
else
set_osd_tmsg(OSD_MSG_TEXT, 1, opts->osd_duration,
"Chapter: (%d) %s", 0, mp_gtext("unknown"));
talloc_free(chapter_name);
return M_PROPERTY_OK;
}
/// Number of chapters in file
static int mp_property_chapters(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->demuxer)
return M_PROPERTY_UNAVAILABLE;
int count = get_chapter_count(mpctx);
return m_property_int_ro(prop, action, arg, count);
}
/// Current dvd angle (RW)
static int mp_property_angle(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int angle = -1;
int angles;
if (mpctx->demuxer)
angle = demuxer_get_current_angle(mpctx->demuxer);
if (angle < 0)
return M_PROPERTY_UNAVAILABLE;
angles = demuxer_angles_count(mpctx->demuxer);
if (angles <= 1)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
*(int *) arg = angle;
return M_PROPERTY_OK;
case M_PROPERTY_PRINT: {
if (!arg)
return M_PROPERTY_ERROR;
*(char **) arg = talloc_asprintf(NULL, "%d/%d", angle, angles);
return M_PROPERTY_OK;
}
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
angle = *(int *)arg;
M_PROPERTY_CLAMP(prop, angle);
break;
case M_PROPERTY_STEP: {
int step = 0;
if (arg)
step = *(int *)arg;
if (!step)
step = 1;
angle += step;
if (angle < 1) //cycle
angle = angles;
else if (angle > angles)
angle = 1;
break;
}
default:
return M_PROPERTY_NOT_IMPLEMENTED;
}
angle = demuxer_set_angle(mpctx->demuxer, angle);
if (angle >= 0) {
struct sh_video *sh_video = mpctx->demuxer->video->sh;
if (sh_video)
resync_video_stream(sh_video);
struct sh_audio *sh_audio = mpctx->demuxer->audio->sh;
if (sh_audio)
resync_audio_stream(sh_audio);
}
set_osd_tmsg(OSD_MSG_TEXT, 1, opts->osd_duration,
"Angle: %d/%d", angle, angles);
return M_PROPERTY_OK;
}
/// Demuxer meta data
static int mp_property_metadata(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
m_property_action_t *ka;
char *meta;
static const m_option_t key_type =
{
"metadata", NULL, CONF_TYPE_STRING, 0, 0, 0, NULL
};
if (!mpctx->demuxer)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
*(char ***)arg = mpctx->demuxer->info;
return M_PROPERTY_OK;
case M_PROPERTY_KEY_ACTION:
if (!arg)
return M_PROPERTY_ERROR;
ka = arg;
if (!(meta = demux_info_get(mpctx->demuxer, ka->key)))
return M_PROPERTY_UNKNOWN;
switch (ka->action) {
case M_PROPERTY_GET:
if (!ka->arg)
return M_PROPERTY_ERROR;
*(char **)ka->arg = meta;
return M_PROPERTY_OK;
case M_PROPERTY_GET_TYPE:
if (!ka->arg)
return M_PROPERTY_ERROR;
*(const m_option_t **)ka->arg = &key_type;
return M_PROPERTY_OK;
}
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
static int mp_property_pause(m_option_t *prop, int action, void *arg,
void *ctx)
{
MPContext *mpctx = ctx;
switch (action) {
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
if (mpctx->paused == (bool) * (int *)arg)
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
if (mpctx->paused) {
unpause_player(mpctx);
} else {
pause_player(mpctx);
}
return M_PROPERTY_OK;
default:
return m_property_flag(prop, action, arg, &mpctx->paused);
}
}
/// Volume (RW)
static int mp_property_volume(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbothvolume(&mpctx->mixer, arg);
return M_PROPERTY_OK;
case M_PROPERTY_PRINT: {
float vol;
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbothvolume(&mpctx->mixer, &vol);
return m_property_float_range(prop, action, arg, &vol);
}
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(float *) arg);
mixer_setvolume(&mpctx->mixer, *(float *) arg, *(float *) arg);
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
if (arg && *(float *) arg <= 0)
mixer_decvolume(&mpctx->mixer);
else
mixer_incvolume(&mpctx->mixer);
return M_PROPERTY_OK;
default:
return M_PROPERTY_NOT_IMPLEMENTED;
}
}
/// Mute (RW)
static int mp_property_mute(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
mixer_setmute(&mpctx->mixer, *(int *) arg);
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
mixer_setmute(&mpctx->mixer, !mixer_getmute(&mpctx->mixer));
return M_PROPERTY_OK;
default:
return m_property_flag_ro(prop, action, arg,
mixer_getmute(&mpctx->mixer));
}
}
/// Audio delay (RW)
static int mp_property_audio_delay(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!(mpctx->sh_audio && mpctx->sh_video))
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_SET:
case M_PROPERTY_STEP: {
int ret;
float delay = audio_delay;
ret = m_property_delay(prop, action, arg, &audio_delay);
if (ret != M_PROPERTY_OK)
return ret;
if (mpctx->sh_audio)
mpctx->delay -= audio_delay - delay;
}
return M_PROPERTY_OK;
default:
return m_property_delay(prop, action, arg, &audio_delay);
}
}
/// Audio codec tag (RO)
static int mp_property_audio_format(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
return m_property_int_ro(prop, action, arg, mpctx->sh_audio->format);
}
/// Audio codec name (RO)
static int mp_property_audio_codec(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->sh_audio || !mpctx->sh_audio->codec)
return M_PROPERTY_UNAVAILABLE;
return m_property_string_ro(prop, action, arg,
mpctx->sh_audio->codec->name);
}
/// Audio bitrate (RO)
static int mp_property_audio_bitrate(m_option_t *prop, int action,
void *arg, MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
return m_property_bitrate(prop, action, arg, mpctx->sh_audio->i_bps);
}
/// Samplerate (RO)
static int mp_property_samplerate(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_PRINT:
if (!arg)
return M_PROPERTY_ERROR;
*(char **)arg = talloc_asprintf(NULL, "%d kHz",
mpctx->sh_audio->samplerate / 1000);
return M_PROPERTY_OK;
}
return m_property_int_ro(prop, action, arg, mpctx->sh_audio->samplerate);
}
/// Number of channels (RO)
static int mp_property_channels(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
if (!mpctx->sh_audio)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_PRINT:
if (!arg)
return M_PROPERTY_ERROR;
switch (mpctx->sh_audio->channels) {
case 1:
*(char **) arg = talloc_strdup(NULL, "mono");
break;
case 2:
*(char **) arg = talloc_strdup(NULL, "stereo");
break;
default:
*(char **) arg = talloc_asprintf(NULL, "%d channels",
mpctx->sh_audio->channels);
}
return M_PROPERTY_OK;
}
return m_property_int_ro(prop, action, arg, mpctx->sh_audio->channels);
}
/// Balance (RW)
static int mp_property_balance(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
float bal;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbalance(&mpctx->mixer, arg);
return M_PROPERTY_OK;
case M_PROPERTY_PRINT: {
char **str = arg;
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbalance(&mpctx->mixer, &bal);
if (bal == 0.f)
*str = talloc_strdup(NULL, "center");
else if (bal == -1.f)
*str = talloc_strdup(NULL, "left only");
else if (bal == 1.f)
*str = talloc_strdup(NULL, "right only");
else {
unsigned right = (bal + 1.f) / 2.f * 100.f;
*str = talloc_asprintf(NULL, "left %d%%, right %d%%",
100 - right, right);
}
return M_PROPERTY_OK;
}
case M_PROPERTY_STEP:
mixer_getbalance(&mpctx->mixer, &bal);
bal += (arg ? *(float *)arg : .1f);
M_PROPERTY_CLAMP(prop, bal);
mixer_setbalance(&mpctx->mixer, bal);
return M_PROPERTY_OK;
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(float *)arg);
mixer_setbalance(&mpctx->mixer, *(float *)arg);
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Selected audio id (RW)
static int mp_property_audio(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
int current_id, tmp;
if (!mpctx->demuxer || !mpctx->d_audio)
return M_PROPERTY_UNAVAILABLE;
struct sh_audio *sh = mpctx->sh_audio;
current_id = sh ? sh->aid : -2;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
*(int *) arg = current_id;
return M_PROPERTY_OK;
case M_PROPERTY_PRINT:
if (!arg)
return M_PROPERTY_ERROR;
if (current_id < 0)
*(char **) arg = talloc_strdup(NULL, mp_gtext("disabled"));
else if (sh && (sh->lang || sh->title)) {
char *lang = sh->lang ? sh->lang : mp_gtext("unknown");
if (sh->title)
*(char **)arg = talloc_asprintf(NULL, "(%d) %s (\"%s\")",
current_id, lang, sh->title);
else
*(char **)arg = talloc_asprintf(NULL, "(%d) %s", current_id,
lang);
} else {
char lang[40];
strncpy(lang, mp_gtext("unknown"), sizeof(lang));
if (0) ;
#ifdef CONFIG_DVDREAD
else if (mpctx->stream->type == STREAMTYPE_DVD) {
int code = dvd_lang_from_aid(mpctx->stream, current_id);
if (code) {
lang[0] = code >> 8;
lang[1] = code;
lang[2] = 0;
}
}
#endif
#ifdef CONFIG_DVDNAV
else if (mpctx->stream->type == STREAMTYPE_DVDNAV)
mp_dvdnav_lang_from_aid(mpctx->stream, current_id, lang);
#endif
*(char **)arg = talloc_asprintf(NULL, "(%d) %s", current_id, lang);
}
return M_PROPERTY_OK;
case M_PROPERTY_STEP:
case M_PROPERTY_SET:
if (action == M_PROPERTY_SET && arg)
tmp = *((int *) arg);
else
tmp = -1;
int new_id = demuxer_switch_audio(mpctx->d_audio->demuxer, tmp);
if (new_id != current_id)
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_ACODEC);
if (new_id != current_id && new_id >= 0) {
sh_audio_t *sh2;
sh2 = mpctx->d_audio->demuxer->a_streams[mpctx->d_audio->id];
sh2->ds = mpctx->d_audio;
mpctx->sh_audio = sh2;
reinit_audio_chain(mpctx);
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_TRACK=%d\n", new_id);
return M_PROPERTY_OK;
default:
return M_PROPERTY_NOT_IMPLEMENTED;
}
}
/// Selected video id (RW)
static int mp_property_video(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int current_id, tmp;
if (!mpctx->demuxer || !mpctx->d_video)
return M_PROPERTY_UNAVAILABLE;
current_id = mpctx->sh_video ? mpctx->sh_video->vid : -2;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;