Skip to content

V
vlc-gpu
Commit 979d7c0c authored by Damien Fouilleul's avatar Damien Fouilleul
Browse files
Options

EyeTV: fixed stupid bug (my own fault), performance improvememts by reducing... 

EyeTV: fixed stupid bug (my own fault), performance improvememts by reducing the number of write() to VLC
parent 27601ff9
Show whitespace changes
Inline Side-by-side
Showing with 92 additions and 71 deletions
extras/package/macosx/eyetvplugin/eyetvplugin.c
View file @ 979d7c0c
...@@ -27,6 +27,7 @@ ...@@ -27,6 +27,7 @@
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/un.h> #include <sys/un.h>
#include <unistd.h> #include <unistd.h>
#include <fcntl.h>
#define MAX_PIDS 256 #define MAX_PIDS 256
#define MAX_ACTIVE_PIDS 256 #define MAX_ACTIVE_PIDS 256
...@@ -36,6 +37,7 @@ ...@@ -36,6 +37,7 @@
#pragma push #pragma push
#pragma pack(1) #pragma pack(1)
/* Structure for TS-Packets */
typedef struct typedef struct
{ {
uint32_t sync_byte : 8, uint32_t sync_byte : 8,
...@@ -46,12 +48,6 @@ typedef struct ...@@ -46,12 +48,6 @@ typedef struct
transport_scrambling_control : 2, transport_scrambling_control : 2,
adaptation_field_control : 2, adaptation_field_control : 2,
continuity_counter : 4; continuity_counter : 4;
} TransportStreamHeader;
/* Structure for TS-Packets */
typedef struct
{
TransportStreamHeader header;
uint8_t payload[184]; uint8_t payload[184];
} TransportStreamPacket; } TransportStreamPacket;
...@@ -67,11 +63,11 @@ typedef struct ...@@ -67,11 +63,11 @@ typedef struct
EyeTVPluginDeviceID activeDeviceID; EyeTVPluginDeviceID activeDeviceID;
long activePIDsCount; long activePIDsCount;
EyeTVPluginPIDInfo activePIDs[MAX_ACTIVE_PIDS]; EyeTVPluginPIDInfo activePIDs[MAX_ACTIVE_PIDS];
long seenPIDs[MAX_ACTIVE_PIDS];
} VLCEyeTVPluginGlobals_t; } VLCEyeTVPluginGlobals_t;
/* following globals limits us to one VLC instance using EyeTV */
static int i_deviceCount; static int i_deviceCount;
static int vlcSock; static int i_vlcSock;
#pragma mark - #pragma mark -
...@@ -83,7 +79,7 @@ static long VLCEyeTVPluginInitialize(VLCEyeTVPluginGlobals_t** globals, long api ...@@ -83,7 +79,7 @@ static long VLCEyeTVPluginInitialize(VLCEyeTVPluginGlobals_t** globals, long api
/* init our own storage */ /* init our own storage */
i_deviceCount = 0; i_deviceCount = 0;
vlcSock = -1; i_vlcSock = -1;
/* notify a potential VLC instance about our initialisation */ /* notify a potential VLC instance about our initialisation */
CFNotificationCenterPostNotification( CFNotificationCenterGetDistributedCenter(), CFNotificationCenterPostNotification( CFNotificationCenterGetDistributedCenter(),
...@@ -125,22 +121,13 @@ static long VLCEyeTVPluginTerminate(VLCEyeTVPluginGlobals_t *globals) ...@@ -125,22 +121,13 @@ static long VLCEyeTVPluginTerminate(VLCEyeTVPluginGlobals_t *globals)
(void *)VLCEyeTVPluginGlobalNotificationReceived ); (void *)VLCEyeTVPluginGlobalNotificationReceived );
/* close data connection */ /* close data connection */
if( vlcSock != -1 ) if( i_vlcSock != -1 )
{ {
close( vlcSock ); close( i_vlcSock );
vlcSock = -1; i_vlcSock = -1;
} }
if( globals )
{
long i;
for( i=0; i<globals->activePIDsCount; ++i )
{
printf("activePID: %ld, count=%ld\n", globals->activePIDs[i].pid, globals->seenPIDs[i] );
}
free( globals ); free( globals );
}
return result; return result;
} }
...@@ -201,7 +188,7 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center, ...@@ -201,7 +188,7 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center,
/* VLC wants us to start sending data */ /* VLC wants us to start sending data */
if( CFStringCompare( name, CFSTR( "VLCAccessStartDataSending" ), 0) == kCFCompareEqualTo ) if( CFStringCompare( name, CFSTR( "VLCAccessStartDataSending" ), 0) == kCFCompareEqualTo )
{ {
if( vlcSock == -1 ) if( i_vlcSock == -1 )
{ {
int peerSock; int peerSock;
...@@ -220,7 +207,8 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center, ...@@ -220,7 +207,8 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center,
if( connect(peerSock, (struct sockaddr *)&peerAddr, sizeof(struct sockaddr_un)) != -1 ) if( connect(peerSock, (struct sockaddr *)&peerAddr, sizeof(struct sockaddr_un)) != -1 )
{ {
printf("data sending switched on\n"); printf("data sending switched on\n");
vlcSock = peerSock;
i_vlcSock = peerSock;
} }
else else
printf("connect data socket failed (errno=%d)\n", errno ); printf("connect data socket failed (errno=%d)\n", errno );
...@@ -233,10 +221,10 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center, ...@@ -233,10 +221,10 @@ void VLCEyeTVPluginGlobalNotificationReceived( CFNotificationCenterRef center,
/* VLC wants us to stop sending data */ /* VLC wants us to stop sending data */
if( CFStringCompare( name, CFSTR( "VLCAccessStopDataSending" ), 0) == kCFCompareEqualTo ) if( CFStringCompare( name, CFSTR( "VLCAccessStopDataSending" ), 0) == kCFCompareEqualTo )
{ {
if( vlcSock != -1 ) if( i_vlcSock != -1 )
{ {
close( vlcSock ); close( i_vlcSock );
vlcSock = -1; i_vlcSock = -1;
printf( "data sending switched off\n" ); printf( "data sending switched off\n" );
} }
} }
...@@ -282,10 +270,10 @@ static long VLCEyeTVPluginDeviceRemoved(VLCEyeTVPluginGlobals_t *globals, EyeTVP ...@@ -282,10 +270,10 @@ static long VLCEyeTVPluginDeviceRemoved(VLCEyeTVPluginGlobals_t *globals, EyeTVP
/*userInfo*/ NULL, /*userInfo*/ NULL,
TRUE ); TRUE );
} }
if( (vlcSock != -1) && (deviceID == globals->activeDeviceID) ) if( (i_vlcSock != -1) && (deviceID == globals->activeDeviceID) )
{ {
close(vlcSock); close(i_vlcSock);
vlcSock = -1; i_vlcSock = -1;
printf( "data sending switched off\n" ); printf( "data sending switched off\n" );
} }
...@@ -300,65 +288,98 @@ static long VLCEyeTVPluginPacketsArrived(VLCEyeTVPluginGlobals_t *globals, EyeTV ...@@ -300,65 +288,98 @@ static long VLCEyeTVPluginPacketsArrived(VLCEyeTVPluginGlobals_t *globals, EyeTV
if( globals ) if( globals )
{ {
/* check if data connection is active */ /* check if data connection is active */
if( vlcSock != -1 ) if( i_vlcSock != -1 )
{ {
if( deviceID == globals->activeDeviceID ) if( deviceID == globals->activeDeviceID )
{ {
long pidCount = globals->activePIDsCount; long pidCount = globals->activePIDsCount;
if( pidCount ) if( pidCount )
{ {
uint8_t packetBuffer[sizeof(TransportStreamPacket)*20];
int packetBufferSize = 0;
while( packetsCount ) while( packetsCount )
{ {
/* apply PID filtering, only PIDs in active service for device are sent through */ /* apply PID filtering, only PIDs in active service for device are sent through */
long pid = (ntohl(**packets) & 0x001FFF00L)>>8; long pid = ntohl(**packets)>>8 & 0x1FFFL;
/* ignore NULL packets */
if( 0x1FFFL != pid )
{
long i; long i;
for( i=0; i<pidCount; ++i ) for( i=0; i<pidCount; ++i )
{ {
if( globals->activePIDs[i].pid == pid ) if( globals->activePIDs[i].pid == pid )
{ {
ssize_t sent = write(vlcSock, *packets, sizeof(TransportStreamPacket)); if( packetBufferSize <= (sizeof(packetBuffer)-sizeof(TransportStreamPacket)) )
if( sent != sizeof(TransportStreamPacket) ) {
/* copy packet in our buffer */
memcpy(packetBuffer+packetBufferSize, *packets, sizeof(TransportStreamPacket));
packetBufferSize += sizeof(TransportStreamPacket);
}
else
{
/* flush buffer to VLC */
ssize_t sent = write(i_vlcSock, packetBuffer, packetBufferSize);
if( sent != packetBufferSize )
{ {
if( sent == -1 ) if( sent == -1 )
printf("data sending failed (errno=%d)\n", errno); printf("data sending failed (errno=%d)\n", errno);
else else
printf("data sending incomplete (sent=%d)\n", sent); printf("data sending incomplete (sent=%d)\n", sent);
close(vlcSock); close(i_vlcSock);
vlcSock = -1; i_vlcSock = -1;
return 0; return 0;
} }
++(globals->seenPIDs[i]); packetBufferSize = 0;
#if 0 }
if( i > 0 ) if( i > 0 )
{ {
/* if we assume that consecutive packets should have the same PID, it would therefore /* if we assume that consecutive packets would have the same PID in most cases,
speed up filtering to reorder activePIDs list based on pid occurrences */ it would therefore speed up filtering to reorder activePIDs list based on pid
occurrences */
EyeTVPluginPIDInfo swap = globals->activePIDs[i]; EyeTVPluginPIDInfo swap = globals->activePIDs[i];
memmove(globals->activePIDs+1, globals->activePIDs, sizeof(EyeTVPluginPIDInfo)*i); do
globals->activePIDs[0] = swap; {
register int c = i--;
globals->activePIDs[c] = globals->activePIDs[i];
}
while( i );
globals->activePIDs[i] = swap;
} }
if( pid && filterPidInfo.pidType != kEyeTVPIDType_PMT ) if( pid && globals->activePIDs[0].pidType != kEyeTVPIDType_PMT )
{ {
/* to save on CPU, prevent EyeTV from mirroring that program by blocking video & audio packets /* to save on CPU, prevent EyeTV from mirroring that program by blocking video & audio packets
by changing PID to NULL PID */ by changing all packets but PAT and PMT to NULL PID */
#if defined(WORDS_BIGENDIAN) #if defined(WORDS_BIGENDIAN)
**packets |= 0x001FFF00L; **packets |= 0x001FFF00L;
#else #else
**packets |= 0x00FFF800L; **packets |= 0x00FFF800L;
#endif #endif
} }
#endif
/* done filtering on this packet, move on to next packet */ /* done filtering on this packet, move on to next packet */
break; break;
} }
} }
if( i == pidCount )
printf("unexpected PID %ld\n", pid);
} }
--packetsCount; --packetsCount;
++packets; ++packets;
} }
if( packetBufferSize )
{
/* flush buffer to VLC */
ssize_t sent = write(i_vlcSock, packetBuffer, packetBufferSize);
if( sent != packetBufferSize )
{
if( sent == -1 )
printf("data sending failed (errno=%d)\n", errno);
else
printf("data sending incomplete (sent=%d)\n", sent);
close(i_vlcSock);
i_vlcSock = -1;
return 0;
}
}
}
} }
} }
} }
...@@ -401,10 +422,10 @@ static long VLCEyeTVPluginServiceChanged(VLCEyeTVPluginGlobals_t *globals, ...@@ -401,10 +422,10 @@ static long VLCEyeTVPluginServiceChanged(VLCEyeTVPluginGlobals_t *globals,
globals->activeDeviceID = deviceID; globals->activeDeviceID = deviceID;
globals->activePIDsCount = pidsCount; globals->activePIDsCount = pidsCount;
/* need active PIDs for packet filtering */
for( i = 0; i < pidsCount; i++ ) for( i = 0; i < pidsCount; i++ )
{ {
globals->activePIDs[i] = pidList[i]; globals->activePIDs[i] = pidList[i];
globals->seenPIDs[i] = 0;
printf("Active PID: %ld, type: %ld\n", pidList[i].pid, pidList[i].pidType); printf("Active PID: %ld, type: %ld\n", pidList[i].pid, pidList[i].pidType);
} }
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment