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fix stillpicture

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Origin commit data
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Branch: master
Commit: 9615ea872f
Author: redblue-pkt <redblue-pkt@orange.pl>
Date: 2020-06-10 (Wed, 10 Jun 2020)


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This commit was generated by Migit
This commit is contained in:
redblue-pkt
2020-06-10 18:14:47 +02:00
committed by vanhofen
parent dd7fb11bb8
commit 27c1b8d1ce
3 changed files with 620 additions and 5 deletions
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61
libarmbox/video.cpp
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@@ -48,6 +48,8 @@ extern "C"
#include <libavutil/imgutils.h>
}
#include "video_blank.h"
#define hal_debug(args...) _hal_debug(HAL_DEBUG_VIDEO, this, args)
#define hal_info(args...) _hal_info(HAL_DEBUG_VIDEO, this, args)
#define hal_debug_c(args...) _hal_debug(HAL_DEBUG_VIDEO, NULL, args)
@@ -78,6 +80,7 @@ cVideo * pipDecoder = NULL;
int system_rev = 0;
static bool stillpicture = false;
static pthread_mutex_t stillp_mutex = PTHREAD_MUTEX_INITIALIZER;
static const char *VDEV[] = {
"/dev/dvb/adapter0/video0",
@@ -568,17 +571,20 @@ int cVideo::Stop(bool blank)
hal_debug("%s: stillpicture == true\n", __func__);
return -1;
}
/* blank parameter seems to not work on VIDEO_STOP */
if (blank)
setBlank(1);
playstate = blank ? VIDEO_STOPPED : VIDEO_FREEZED;
return fop(ioctl, VIDEO_STOP, blank ? 1 : 0);
}
int cVideo::setBlank(int)
{
fop(ioctl, VIDEO_PLAY);
fop(ioctl, VIDEO_CONTINUE);
video_still_picture sp = { NULL, 0 };
fop(ioctl, VIDEO_STILLPICTURE, &sp);
return Stop(1);
pthread_mutex_lock(&stillp_mutex);
if (blank_data)
ShowBlank(fd, blank_data, blank_size);
pthread_mutex_unlock(&stillp_mutex);
return 1;
}
int cVideo::SetVideoSystem(int video_system, bool remember)
@@ -689,6 +695,7 @@ bool cVideo::ShowPicture(const char * fname)
}
closeDevice();
openDevice();
pthread_mutex_lock(&stillp_mutex);
if (fd >= 0)
{
usleep(50000);//workaround for switch to radiomode
@@ -707,9 +714,53 @@ bool cVideo::ShowPicture(const char * fname)
ioctl(fd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX);
ret = true;
}
pthread_mutex_unlock(&stillp_mutex);
return ret;
}
void cVideo::ShowBlank(int fd, unsigned char *iframe, size_t st_size)
{
static const unsigned char pes_header[] = { 0x0, 0x0, 0x1, 0xe0, 0x00, 0x00, 0x80, 0x80, 0x5, 0x21, 0x0, 0x1, 0x0, 0x1 };
static const unsigned char seq_end[] = { 0x00, 0x00, 0x01, 0xB7 };
unsigned char stuffing[128];
bool seq_end_avail = false;
size_t pos = 0;
int count = 7;
if (ioctl(fd, VIDEO_SET_FORMAT, VIDEO_FORMAT_16_9) < 0)
hal_info_c("%s: VIDEO_SET_FORMAT failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_SET_STREAMTYPE, VIDEO_FORMAT_MPEG2) < 0)
hal_info_c("%s: VIDEO_SET_STREAMTYPE failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY) < 0)
hal_info_c("%s: VIDEO_SELECT_SOURCE failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_PLAY) < 0)
hal_info_c("%s: VIDEO_PLAY failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_CONTINUE) < 0)
hal_info_c("%s: VIDEO_CONTINUE failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_CLEAR_BUFFER) < 0)
hal_info_c("%s: VIDEO_CLEAR_BUFFER failed (%m)\n", __func__);
while (pos <= (st_size-4) && !(seq_end_avail = (!iframe[pos] && !iframe[pos+1] && iframe[pos+2] == 1 && iframe[pos+3] == 0xB7)))
++pos;
while (count--)
{
if ((iframe[3] >> 4) != 0xE) // no pes header
write(fd, pes_header, sizeof(pes_header));
else
iframe[4] = iframe[5] = 0x00;
write_all(fd, iframe, st_size);
usleep(8000);
}
if (!seq_end_avail)
write_all(fd, seq_end, sizeof(seq_end));
memset(stuffing, 0, sizeof(stuffing));
for (count = 0; count < 8192 / (int)sizeof(stuffing); count++)
write_all(fd, stuffing, sizeof(stuffing));
if (ioctl(fd, VIDEO_STOP, 0) < 0)
hal_info_c("%s: VIDEO_STOP failed (%m)\n", __func__);
if (ioctl(fd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX) < 0)
hal_info_c("%s: VIDEO_SELECT_SOURCE failed (%m)\n", __func__);
}
void cVideo::StopPicture()
{
hal_debug("%s\n", __func__);