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Use turbo jpeg for compression

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This commit is contained in:
Benau 2017-04-01 16:41:06 +08:00
parent 8a8b388170
commit 7f23d062b7
1 changed files with 28 additions and 17 deletions
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45
src/utils/avi_writer.cpp
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@ -81,6 +81,26 @@ void AVIWriter::resetFrameBufferImage()
m_accumulated_time = 0.0f;
} // resetFrameBufferImage
// ----------------------------------------------------------------------------
int bmpToJPG(uint8_t* raw, unsigned width, unsigned height,
uint8_t** jpeg_buffer, unsigned long* jpeg_size)
{
tjhandle handle = NULL;
int ret = 0;
handle = tjInitCompress();
ret = tjCompress2(handle, raw, width, 0, height, TJPF_BGR, jpeg_buffer,
jpeg_size, TJSAMP_420, UserConfigParams::m_recorder_jpg_quality,
TJFLAG_FASTDCT);
if (ret != 0)
{
char* err = tjGetErrorStr();
Log::error("vpxEncoder", "Jpeg encode error: %s.", err);
return ret;
}
tjDestroy(handle);
return ret;
} // bmpToJPG
// ----------------------------------------------------------------------------
int jpgToYuv(uint8_t* jpeg_buffer, unsigned jpeg_size, uint8_t** yuv_buffer,
TJSAMP* yuv_type, unsigned* yuv_size)
@ -230,11 +250,11 @@ void* AVIWriter::vpxEncoder(void *obj)
if (ret < 0)
{
delete [] yuv;
free(jpg);
tjFree(jpg);
continue;
}
assert(yuv_type == TJSAMP_420 && yuv_size != 0);
free(jpg);
tjFree(jpg);
vpx_image_t each_frame;
vpx_img_wrap(&each_frame, VPX_IMG_FMT_I420, width, height, 1, yuv);
while (frame_count != 0)
@ -353,19 +373,12 @@ void* AVIWriter::videoRecord(void *obj)
p2 -= pitch;
}
delete [] tmp_buf;
size = area * 3;
uint8_t* jpg = (uint8_t*)malloc(size);
size = avi_writer->bmpToJpg(orig_fbi + area, jpg, size);
delete [] orig_fbi;
uint8_t* shrinken = (uint8_t*)realloc(jpg, size);
if (shrinken == NULL)
{
free(jpg);
continue;
}
jpg = shrinken;
uint8_t* jpg = NULL;
unsigned long jpg_size = 0;
bmpToJPG(orig_fbi + area, width, height, &jpg, &jpg_size);
delete[] orig_fbi;
jpg_data.lock();
jpg_data.getData().emplace_back(jpg, size, frame_count);
jpg_data.getData().emplace_back(jpg, jpg_size, frame_count);
pthread_cond_signal(vpx_ei.m_enc_request);
jpg_data.unlock();
}
@ -425,9 +438,7 @@ void AVIWriter::captureFrameBufferImage()
int pbo_use = m_pbo_use++ % 3;
assert(pbo_read == -1 || pbo_use == pbo_read);
glBindBuffer(GL_PIXEL_PACK_BUFFER, m_pbo[pbo_use]);
glReadPixels(0, 0, m_width, m_height,
m_avi_format == AVI_FORMAT_JPG ? GL_RGBA: GL_BGRA,
GL_UNSIGNED_BYTE, NULL);
glReadPixels(0, 0, m_width, m_height, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
} // captureFrameBufferImage