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authorDavid Robillard <d@drobilla.net>2006-06-08 23:46:42 +0000
committerDavid Robillard <d@drobilla.net>2006-06-08 23:46:42 +0000
commit74dd5bd7060b337964d5ea5a3d419c26a62c10a6 (patch)
tree8a1ece4e1c6eb2b3a09c149b8b2afc71f70a024c /libs/ardour/session_time.cc
parent0c1b9afc634d098ac6029acb3508d25823d0fc14 (diff)
Committed filthy mess of a working copy solely for moving between machines.
Nothing to see here, move along now... git-svn-id: svn://localhost/trunk/ardour2midi@575 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/session_time.cc')
-rw-r--r--libs/ardour/session_time.cc386
1 files changed, 11 insertions, 375 deletions
diff --git a/libs/ardour/session_time.cc b/libs/ardour/session_time.cc
index e3badc5b11..453f5d6d27 100644
--- a/libs/ardour/session_time.cc
+++ b/libs/ardour/session_time.cc
@@ -63,18 +63,22 @@ Session::set_smpte_type (float fps, bool drop_frames)
switch ((int) ceil (fps)) {
case 24:
mtc_smpte_bits = 0;
+ SMPTE::Time::default_rate = SMPTE::MTC_24_FPS;
break;
case 25:
mtc_smpte_bits = 0x20;
+ SMPTE::Time::default_rate = SMPTE::MTC_25_FPS;
break;
case 30:
default:
if (drop_frames) {
mtc_smpte_bits = 0x40;
+ SMPTE::Time::default_rate = SMPTE::MTC_30_FPS_DROP;
} else {
mtc_smpte_bits = 0x60;
+ SMPTE::Time::default_rate = SMPTE::MTC_30_FPS;
}
break;
};
@@ -102,377 +106,9 @@ Session::set_smpte_offset_negative (bool neg)
SMPTEOffsetChanged (); /* EMIT SIGNAL */
}
-#define SMPTE_IS_AROUND_ZERO( sm ) (!(sm).frames && !(sm).seconds && !(sm).minutes && !(sm).hours)
-#define SMPTE_IS_ZERO( sm ) (!(sm).frames && !(sm).seconds && !(sm).minutes && !(sm).hours && !(sm.subframes))
-
-// Increment by exactly one frame (keep subframes value)
-// Return true if seconds wrap
-smpte_wrap_t
-Session::smpte_increment( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- if (smpte.negative) {
- if (SMPTE_IS_AROUND_ZERO(smpte) && smpte.subframes) {
- // We have a zero transition involving only subframes
- smpte.subframes = 80 - smpte.subframes;
- smpte.negative = false;
- return smpte_wrap_seconds;
- }
-
- smpte.negative = false;
- wrap = smpte_decrement( smpte );
- if (!SMPTE_IS_ZERO( smpte )) {
- smpte.negative = true;
- }
- return wrap;
- }
-
- switch (mtc_smpte_bits >> 5) {
- case MIDI::MTC_24_FPS:
- if (smpte.frames == 23) {
- smpte.frames = 0;
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_25_FPS:
- if (smpte.frames == 24) {
- smpte.frames = 0;
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_30_FPS_DROP:
- if (smpte.frames == 29) {
- if ( ((smpte.minutes + 1) % 10) && (smpte.seconds == 59) ) {
- smpte.frames = 2;
- }
- else {
- smpte.frames = 0;
- }
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_30_FPS:
- if (smpte.frames == 29) {
- smpte.frames = 0;
- wrap = smpte_wrap_seconds;
- }
- break;
- }
-
- if (wrap == smpte_wrap_seconds) {
- if (smpte.seconds == 59) {
- smpte.seconds = 0;
- wrap = smpte_wrap_minutes;
- if (smpte.minutes == 59) {
- smpte.minutes = 0;
- wrap = smpte_wrap_hours;
- smpte.hours++;
- } else {
- smpte.minutes++;
- }
- } else {
- smpte.seconds++;
- }
- } else {
- smpte.frames++;
- }
-
- return wrap;
-}
-
-// Decrement by exactly one frame (keep subframes value)
-smpte_wrap_t
-Session::smpte_decrement( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
-
- if (smpte.negative || SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- wrap = smpte_increment( smpte );
- smpte.negative = true;
- return wrap;
- } else if (SMPTE_IS_AROUND_ZERO(smpte) && smpte.subframes) {
- // We have a zero transition involving only subframes
- smpte.subframes = 80 - smpte.subframes;
- smpte.negative = true;
- return smpte_wrap_seconds;
- }
-
- switch (mtc_smpte_bits >> 5) {
- case MIDI::MTC_24_FPS:
- if (smpte.frames == 0) {
- smpte.frames = 23;
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_25_FPS:
- if (smpte.frames == 0) {
- smpte.frames = 24;
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_30_FPS_DROP:
- if ((smpte.minutes % 10) && (smpte.seconds == 0)) {
- if (smpte.frames <= 2) {
- smpte.frames = 29;
- wrap = smpte_wrap_seconds;
- }
- } else if (smpte.frames == 0) {
- smpte.frames = 29;
- wrap = smpte_wrap_seconds;
- }
- break;
- case MIDI::MTC_30_FPS:
- if (smpte.frames == 0) {
- smpte.frames = 29;
- wrap = smpte_wrap_seconds;
- }
- break;
- }
-
- if (wrap == smpte_wrap_seconds) {
- if (smpte.seconds == 0) {
- smpte.seconds = 59;
- wrap = smpte_wrap_minutes;
- if (smpte.minutes == 0) {
- smpte.minutes = 59;
- wrap = smpte_wrap_hours;
- smpte.hours--;
- }
- else {
- smpte.minutes--;
- }
- } else {
- smpte.seconds--;
- }
- } else {
- smpte.frames--;
- }
-
- if (SMPTE_IS_ZERO( smpte )) {
- smpte.negative = false;
- }
-
- return wrap;
-}
-
-// Go to lowest absolute subframe value in this frame (set to 0 :-)
-void
-Session::smpte_frames_floor( SMPTE_Time& smpte ) const
-{
- smpte.subframes = 0;
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
-}
-
-// Increment by one subframe
-smpte_wrap_t
-Session::smpte_increment_subframes( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- if (smpte.negative) {
- smpte.negative = false;
- wrap = smpte_decrement_subframes( smpte );
- if (!SMPTE_IS_ZERO(smpte)) {
- smpte.negative = true;
- }
- return wrap;
- }
-
- smpte.subframes++;
- if (smpte.subframes >= 80) {
- smpte.subframes = 0;
- smpte_increment( smpte );
- return smpte_wrap_frames;
- }
- return smpte_wrap_none;
-}
-
-
-// Decrement by one subframe
-smpte_wrap_t
-Session::smpte_decrement_subframes( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- if (smpte.negative) {
- smpte.negative = false;
- wrap = smpte_increment_subframes( smpte );
- smpte.negative = true;
- return wrap;
- }
-
- if (smpte.subframes <= 0) {
- smpte.subframes = 0;
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = true;
- smpte.subframes = 1;
- return smpte_wrap_frames;
- } else {
- smpte_decrement( smpte );
- smpte.subframes = 79;
- return smpte_wrap_frames;
- }
- } else {
- smpte.subframes--;
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
- return smpte_wrap_none;
- }
-}
-
-
-// Go to next whole second (frames == 0 or frames == 2)
-smpte_wrap_t
-Session::smpte_increment_seconds( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- // Clear subframes
- smpte_frames_floor( smpte );
-
- if (smpte.negative) {
- // Wrap second if on second boundary
- wrap = smpte_increment(smpte);
- // Go to lowest absolute frame value
- smpte_seconds_floor( smpte );
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
- } else {
- // Go to highest possible frame in this second
- switch (mtc_smpte_bits >> 5) {
- case MIDI::MTC_24_FPS:
- smpte.frames = 23;
- break;
- case MIDI::MTC_25_FPS:
- smpte.frames = 24;
- break;
- case MIDI::MTC_30_FPS_DROP:
- case MIDI::MTC_30_FPS:
- smpte.frames = 29;
- break;
- }
-
- // Increment by one frame
- wrap = smpte_increment( smpte );
- }
-
- return wrap;
-}
-
-// Go to lowest (absolute) frame value in this second
-// Doesn't care about positive/negative
-void
-Session::smpte_seconds_floor( SMPTE_Time& smpte ) const
-{
- // Clear subframes
- smpte_frames_floor( smpte );
-
- // Go to lowest possible frame in this second
- switch (mtc_smpte_bits >> 5) {
- case MIDI::MTC_24_FPS:
- case MIDI::MTC_25_FPS:
- case MIDI::MTC_30_FPS:
- smpte.frames = 0;
- break;
- case MIDI::MTC_30_FPS_DROP:
- if ((smpte.minutes % 10) && (smpte.seconds == 0)) {
- smpte.frames = 2;
- } else {
- smpte.frames = 0;
- }
- break;
- }
-
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
-}
-
-
-// Go to next whole minute (seconds == 0, frames == 0 or frames == 2)
-smpte_wrap_t
-Session::smpte_increment_minutes( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- // Clear subframes
- smpte_frames_floor( smpte );
-
- if (smpte.negative) {
- // Wrap if on minute boundary
- wrap = smpte_increment_seconds( smpte );
- // Go to lowest possible value in this minute
- smpte_minutes_floor( smpte );
- } else {
- // Go to highest possible second
- smpte.seconds = 59;
- // Wrap minute by incrementing second
- wrap = smpte_increment_seconds( smpte );
- }
-
- return wrap;
-}
-
-// Go to lowest absolute value in this minute
-void
-Session::smpte_minutes_floor( SMPTE_Time& smpte ) const
-{
- // Go to lowest possible second
- smpte.seconds = 0;
- // Go to lowest possible frame
- smpte_seconds_floor( smpte );
-
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
-}
-
-// Go to next whole hour (minute = 0, second = 0, frame = 0)
-smpte_wrap_t
-Session::smpte_increment_hours( SMPTE_Time& smpte ) const
-{
- smpte_wrap_t wrap = smpte_wrap_none;
-
- // Clear subframes
- smpte_frames_floor(smpte);
-
- if (smpte.negative) {
- // Wrap if on hour boundary
- wrap = smpte_increment_minutes( smpte );
- // Go to lowest possible value in this hour
- smpte_hours_floor( smpte );
- } else {
- smpte.minutes = 59;
- wrap = smpte_increment_minutes( smpte );
- }
-
- return wrap;
-}
-
-// Go to lowest absolute value in this hour
-void
-Session::smpte_hours_floor( SMPTE_Time& smpte ) const
-{
- smpte.minutes = 0;
- smpte.seconds = 0;
- smpte.frames = 0;
- smpte.subframes = 0;
-
- if (SMPTE_IS_ZERO(smpte)) {
- smpte.negative = false;
- }
-}
-
void
-Session::smpte_to_sample( SMPTE_Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const
+Session::smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const
{
if (smpte_drop_frames) {
// The drop frame format was created to better approximate the 30000/1001 = 29.97002997002997....
@@ -555,7 +191,7 @@ Session::smpte_to_sample( SMPTE_Time& smpte, jack_nframes_t& sample, bool use_of
void
-Session::sample_to_smpte( jack_nframes_t sample, SMPTE_Time& smpte, bool use_offset, bool use_subframes ) const
+Session::sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const
{
jack_nframes_t offset_sample;
@@ -649,7 +285,7 @@ Session::sample_to_smpte( jack_nframes_t sample, SMPTE_Time& smpte, bool use_off
}
void
-Session::smpte_time (jack_nframes_t when, SMPTE_Time& smpte)
+Session::smpte_time (jack_nframes_t when, SMPTE::Time& smpte)
{
if (last_smpte_valid && when == last_smpte_when) {
smpte = last_smpte;
@@ -664,7 +300,7 @@ Session::smpte_time (jack_nframes_t when, SMPTE_Time& smpte)
}
void
-Session::smpte_time_subframes (jack_nframes_t when, SMPTE_Time& smpte)
+Session::smpte_time_subframes (jack_nframes_t when, SMPTE::Time& smpte)
{
if (last_smpte_valid && when == last_smpte_when) {
smpte = last_smpte;
@@ -679,7 +315,7 @@ Session::smpte_time_subframes (jack_nframes_t when, SMPTE_Time& smpte)
}
void
-Session::smpte_duration (jack_nframes_t when, SMPTE_Time& smpte) const
+Session::smpte_duration (jack_nframes_t when, SMPTE::Time& smpte) const
{
sample_to_smpte( when, smpte, false /* use_offset */, true /* use_subframes */ );
}
@@ -687,14 +323,14 @@ Session::smpte_duration (jack_nframes_t when, SMPTE_Time& smpte) const
void
Session::smpte_duration_string (char* buf, jack_nframes_t when) const
{
- SMPTE_Time smpte;
+ SMPTE::Time smpte;
smpte_duration (when, smpte);
snprintf (buf, sizeof (buf), "%02ld:%02ld:%02ld:%02ld", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
}
void
-Session::smpte_time (SMPTE_Time &t)
+Session::smpte_time (SMPTE::Time &t)
{
smpte_time (_transport_frame, t);