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Removed the "Cleared/PlayPes(NULL, 0)" handling from cTransfer::Action(); Making sure the buffer reserve in cTransfer::Action() is re-established after clearing the buffer

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This commit is contained in:
Klaus Schmidinger 2005-02-12 13:52:35 +01:00
parent 25c942c0e3
commit 7e0ffb0499
3 changed files with 21 additions and 14 deletions
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2
CONTRIBUTORS
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@ -1138,6 +1138,8 @@ Marco Schl
for adding CMD_SPU_CHG_COLCON to cDvbSpuDecoder::setTime()
for suggesting to force a new resync after a call to cRemux::Clear()
for suggestions that led to the addition of the 'Id' parameter to cAudio::Play().
for removing the "Cleared/PlayPes(NULL, 0)" handling from cTransfer::Action(), since
this is now done when attaching the player to the device
Jürgen Schmitz <j.schmitz@web.de>
for reporting a bug in displaying the current channel when switching via the SVDRP

4
HISTORY
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@ -3392,3 +3392,7 @@ Video Disk Recorder Revision History
the function the substream id of the given audio packet, so that a plugin can
take the right action for the various kinds if audio data (based on suggestions
by Werner Fink and Macro Schlüßler).
- Removed the "Cleared/PlayPes(NULL, 0)" handling from cTransfer::Action(), since this
is now done when attaching the player to the device (thanks to Marco Schlüßler).
- Making sure the buffer reserve in cTransfer::Action() is re-established after
clearing the buffer.

29
transfer.c
View File

@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: transfer.c 1.25 2005/01/23 14:27:40 kls Exp $
* $Id: transfer.c 1.26 2005/02/12 13:51:21 kls Exp $
*/
#include "transfer.h"
@ -61,17 +61,12 @@ void cTransfer::Action(void)
int Result = 0;
#define FW_NEEDS_BUFFER_RESERVE_FOR_AC3
#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
bool Cleared = false;
bool GotBufferReserve = false;
#endif
active = true;
while (active) {
#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
if (needsBufferReserve) {
if (IsAttached() && !Cleared) {
PlayPes(NULL, 0);
Cleared = true;
}
if (needsBufferReserve && !GotBufferReserve) {
//XXX For dolby we've to fill the buffer because the firmware does
//XXX not decode dolby but use a PCM stream for transport, therefore
//XXX the firmware has not enough buffer for noiseless skipping early
@ -79,14 +74,12 @@ void cTransfer::Action(void)
//XXX audio is mostly to early in comparison to video).
//XXX To resolve this, the remuxer or PlayPes() should synchronize
//XXX audio with the video frames. 2004/09/09 Werner
if (!GotBufferReserve) {
if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2) { // used to be MAXFRAMESIZE, but the HDTV value of KILOBYTE(512) is way too much here
cCondWait::SleepMs(20); // allow the buffer to collect some reserve
continue;
}
else
GotBufferReserve = true;
if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2) { // used to be MAXFRAMESIZE, but the HDTV value of KILOBYTE(512) is way too much here
cCondWait::SleepMs(20); // allow the buffer to collect some reserve
continue;
}
else
GotBufferReserve = true;
}
#endif
int Count;
@ -98,10 +91,14 @@ void cTransfer::Action(void)
// So let's clear the buffer instead of suffering from permanent
// overflows.
dsyslog("clearing transfer buffer to avoid overflows");
DeviceClear();
ringBuffer->Clear();
remux->Clear();
PlayPes(NULL, 0);
p = NULL;
#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
GotBufferReserve = false;
#endif
continue;
}
Count = remux->Put(b, Count);
@ -132,7 +129,11 @@ void cTransfer::Action(void)
DeviceClear();
ringBuffer->Clear();
remux->Clear();
PlayPes(NULL, 0);
p = NULL;
#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
GotBufferReserve = false;
#endif
}
}
}