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delete duplicate file, set thread_count for multi threaded mjpeg decoding

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veejay
2023-09-16 19:25:58 +02:00
parent 4a6322c46b
commit 9f4b8f0a10
24 changed files with 114 additions and 190 deletions
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27
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -78,8 +78,8 @@
#include <libavutil/avutil.h>
#include <libavcodec/avcodec.h>
#include <libel/av.h>
#include <libel/avhelper.h>
#include <libel/avcommon.h>
#include <veejaycore/avhelper.h>
#include <veejaycore/avcommon.h>
#define RUP8(num)(((num)+8)&~8)
//#include <pthread.h>
@@ -578,6 +578,29 @@ static int v4l2_setup_avcodec_capture( v4l2info *v, int wid, int hei, int codec_
#if LIBAVCODEC_BUILD > 5400
v->c = avcodec_alloc_context3( v->codec );
int n_threads = 0;
char *num_decode_threads = getenv( "VEEJAY_NUM_DECODE_THREADS" );
if( num_decode_threads ) {
n_threads = atoi(num_decode_threads);
}
else {
veejay_msg(VEEJAY_MSG_DEBUG, "env VEEJAY_NUM_DECODE_THREADS not set!");
int n = task_num_cpus();
if( n > 1 )
n_threads = 2;
if( n > 3 )
n_threads = 4;
}
veejay_msg(VEEJAY_MSG_DEBUG, "Using %d decoding threads (ffmpeg)", n_threads);
if( n_threads > 0 ) {
v->c->thread_count = n_threads;
v->c->thread_type = FF_THREAD_FRAME;
}
#else
v->c = avcodec_alloc_context();
#endif