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do not assume that whole camera frame is read in single chunk

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milek7
2019-09-23 23:18:45 +02:00
parent 203ea7f288
commit 8bde68f209
1 changed files with 11 additions and 1 deletions
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12
widgets/cameraview_extcam.cpp
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@@ -118,9 +118,19 @@ void ui::cameraview_panel::workthread_func()
uint8_t *read_buffer = new uint8_t[frame_size];
uint8_t *active_buffer = new uint8_t[frame_size];
size_t bufpos = 0;
while (!exit_thread) {
if (proc.read(read_buffer, frame_size) != frame_size)
size_t read = 0;
read = proc.read(read_buffer + bufpos, frame_size - bufpos);
if (!read)
break;
bufpos += read;
if (bufpos != frame_size)
continue;
bufpos = 0;
std::lock_guard<std::mutex> lock(mutex);
image_ptr = read_buffer;