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Merge remote-tracking branch 'martiis-libstb-hal/master'

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This commit is contained in:
max10
2014-08-25 18:48:21 +02:00
parent 9b523a87e8
commit 40461c4cce
2 changed files with 40 additions and 0 deletions
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33
libspark/record.cpp
View File

@@ -23,6 +23,13 @@ void *execute_record_thread(void *c)
return NULL;
}
void *execute_writer_thread(void *c)
{
cRecord *obj = (cRecord *)c;
obj->WriterThread();
return NULL;
}
cRecord::cRecord(int num, int bs_dmx, int bs)
{
lt_info("%s %d\n", __func__, num);
@@ -174,6 +181,32 @@ bool cRecord::AddPid(unsigned short pid)
return dmx->addPid(pid);
}
void cRecord::WriterThread()
{
char threadname[17];
strncpy(threadname, "WriterThread", sizeof(threadname));
threadname[16] = 0;
prctl (PR_SET_NAME, (unsigned long)&threadname);
unsigned int chunk = 0;
while (!sem_wait(&sem)) {
if (!io_len[chunk]) // empty, assume end of recording
return;
unsigned char *p_buf = io_buf[chunk];
size_t p_len = io_len[chunk];
while (p_len) {
ssize_t written = write(file_fd, p_buf, p_len);
if (written < 0)
break;
p_len -= written;
p_buf += written;
}
if (posix_fadvise(file_fd, 0, 0, POSIX_FADV_DONTNEED))
perror("posix_fadvise");
chunk++;
chunk %= RECORD_WRITER_CHUNKS;
}
}
void cRecord::RecordThread()
{
lt_info("%s: begin\n", __func__);

7
libspark/record_lib.h
View File

@@ -2,6 +2,7 @@
#define __RECORD_TD_H
#include <pthread.h>
#include <semaphore.h>
#include "dmx_lib.h"
#define REC_STATUS_OK 0
@@ -32,6 +33,11 @@ class cRecord
int bufsize_dmx;
void (*failureCallback)(void *);
void *failureData;
sem_t sem;
#define RECORD_WRITER_CHUNKS 16
unsigned char *io_buf[RECORD_WRITER_CHUNKS];
size_t io_len[RECORD_WRITER_CHUNKS];
public:
cRecord(int num = 0, int bs_dmx = 100 * 188 * 1024, int bs = 100 * 188 * 1024);
void setFailureCallback(void (*f)(void *), void *d) { failureCallback = f; failureData = d; }
@@ -46,5 +52,6 @@ class cRecord
bool ChangePids(unsigned short vpid, unsigned short *apids, int numapids);
void RecordThread();
void WriterThread();
};
#endif