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fix error handling and cleanup in v4l2 stream driver

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This commit is contained in:
niels
2015-11-30 20:43:27 +01:00
parent 8d9bd58a27
commit 1cd71ef76a
1 changed files with 29 additions and 22 deletions
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51
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -599,8 +599,8 @@ static int v4l2_setup_avcodec_capture( v4l2info *v, int wid, int hei, int codec_
free(v->picture->data[1]);
free(v->picture->data[2]);
free(v->picture);
avhelper_free_context( &v->c );
//av_free(v->c);
//avhelper_free_context( &v->c );
av_free(v->c);
return 0;
}
@@ -1385,21 +1385,20 @@ void v4l2_close( void *d )
v->picture = NULL;
}
if(v->codec) {
#if LIBAVCODEC_BUILD > 5400
avcodec_close(v->c);
#else
avcodec_close(v->codec);
avhelper_free_context( &v->c );
//if(v->c) free(v->c);
#endif
if(v->c) {
av_free( v->c );
v->c = NULL;
}
if( v->host_frame )
if( v->host_frame ) {
free(v->host_frame );
v->host_frame = NULL;
}
if( v->buffers )
if( v->buffers ) {
free(v->buffers);
v->host_frame = NULL;
}
free(v);
}
@@ -1990,6 +1989,7 @@ static void *v4l2_grabber_thread( void *v )
uint8_t *ptr = (uint8_t*) vj_malloc( sizeof(uint8_t) * RUP8(planes[0] * 4) );
if(!ptr) {
i->stop = 1;
v4l2_close( v4l2 );
veejay_msg(0, "v4l2: error allocating memory" );
unlock_(v);
pthread_exit(NULL);
@@ -2007,8 +2007,7 @@ static void *v4l2_grabber_thread( void *v )
for( c = 0; c < 4; c ++ )
v4l2->out_planes[c] = planes[c];
veejay_msg(VEEJAY_MSG_INFO, "v4l2: capture format: %d x %d (%x)",
v4l2->info->width,v4l2->info->height, v4l2->info->format );
veejay_msg(VEEJAY_MSG_INFO, "v4l2: capture format: %d x %d (%x)",v4l2->info->width,v4l2->info->height, v4l2->info->format );
i->grabbing = 1;
i->retries = max_retries;
@@ -2049,10 +2048,8 @@ static void *v4l2_grabber_thread( void *v )
if( err == -1 ) {
if( i->retries < 0 ) {
veejay_msg(0,"v4l2: giving up on this device, too many errors.");
i->stop = 1;
v4l2_close( v4l2 );
pthread_exit(NULL);
return NULL;
goto v4l2_grabber_exit;
} else {
i->retries --;
}
@@ -2060,11 +2057,18 @@ static void *v4l2_grabber_thread( void *v )
if( i->stop ) {
veejay_msg(VEEJAY_MSG_DEBUG, "v4l2: Closing video capture device");
v4l2_close(v4l2);
pthread_exit(NULL);
return NULL;
goto v4l2_grabber_exit;
}
}
v4l2_grabber_exit:
veejay_msg(VEEJAY_MSG_DEBUG, "v4l2: Cleanup grabber thread" );
v4l2_close( v4l2 );
i->stop = 1;
return NULL;
}
int v4l2_thread_start( v4l2_thread_info *i )
@@ -2194,10 +2198,13 @@ void *v4l2_thread_new( char *file, int channel, int host_fmt, int wid, int hei,
}
if( i->stop ) {
veejay_msg(VEEJAY_MSG_ERROR, "v4l2: Grabber thread was told to exit.");
veejay_msg(VEEJAY_MSG_INFO, "v4l2: Grabber thread was told to exit.");
pthread_mutex_destroy(&(i->mutex));
pthread_cond_destroy(&(i->cond));
free(i);
return NULL;
}
return i->v4l2;
}
#endif