static int x264_encoder_configure(struct x264_encode* enc)
{
EncHandle handle = enc->handle;
EncInitialInfo initinfo = {0};
RetCode ret;
ret = vpu_EncGetInitialInfo(handle, &initinfo);
if (ret != RETCODE_SUCCESS) {
ms_error("MSH264Enc: Encoder GetInitialInfo failed\n");
return -1;
}
enc->fbcount = enc->src_fbid = initinfo.minFrameBufferCount;
return 0;
}
static int encoder_configure(struct EncodingInstance* instance)
{
EncHandle handle = instance->handle;
EncInitialInfo initinfo = {};
RetCode ret;
ret = vpu_EncGetInitialInfo(handle, &initinfo);
if(ret != RETCODE_SUCCESS)
{
fputs("Encoder GetInitialInfo failed\n", stderr);
return -1;
}
instance->fbcount = instance->src_fbid = initinfo.minFrameBufferCount;
return 0;
}
int main(void){
int ret = 0, i;
vpu_versioninfo ver; // vpu version information
vpu_mem_desc bit_stream_buf; // input bit stream allocated memory
vpu_mem_desc source_buf; // source buffer allocated memory
FrameBuffer source_frame; // source framebuffer
// VPU specific members defined in vpu_lib.h
EncHandle *handle = malloc(sizeof(EncHandle));
EncOpenParam *encOP = malloc(sizeof(EncOpenParam));
EncInitialInfo *initialInfo = malloc(sizeof(EncInitialInfo));
EncOutputInfo *outputInfo = malloc(sizeof(EncOutputInfo));
EncParam *encParam = malloc(sizeof(EncParam));
// Set allocated memory to zero
memset (initialInfo, 0, sizeof (EncInitialInfo));
memset (encParam, 0, sizeof (EncParam));
memset (encOP, 0, sizeof (EncOpenParam));
memset (outputInfo, 0, sizeof (EncOutputInfo));
memset (&bit_stream_buf, 0, sizeof (vpu_mem_desc));
// Init VPU
if(vpu_Init (NULL) < 0) {
printf(">> failed to call vpu_Init()\n");
ret = -1;
goto free;
}
vpu_GetVersionInfo(&ver);
printf("VPU Version: firmware %d.%d.%d; libvpu: %d.%d.%d \n", ver.fw_major,
ver.fw_minor, ver.fw_release, ver.lib_major, ver.lib_minor,
ver.lib_release);
// Allocate input buffer
bit_stream_buf.size = BUFF_FILL_SIZE;
IOGetPhyMem (&bit_stream_buf);
if(bit_stream_buf.phy_addr == 0) {
printf(">> error allocating encoder bitstream buffer\n");
ret = -1;
goto free;
}
IOGetVirtMem (&bit_stream_buf);
// Set up encoder operation parameters
encOP->bitstreamBuffer = bit_stream_buf.phy_addr;
encOP->bitstreamBufferSize = BUFF_FILL_SIZE;
encOP->bitstreamFormat = STD_AVC;
encOP->gopSize = DEFAULT_GOP_SIZE;
encOP->rcIntraQp = VPU_DEFAULT_H264_QP;
encOP->userQpMaxEnable = 1;
encOP->userQpMax = H264_QP_MAX;
encOP->userQpMinEnable = 1;
encOP->userQpMin = H264_QP_MIN;
encOP->frameRateInfo = DEFAULT_FRAME_RATE;
encOP->picWidth = DEFAULT_WIDTH;
encOP->picHeight = DEFAULT_HEIGHT;
encOP->ringBufferEnable = 0;
// Open encoder
vpu_EncOpen (handle, encOP);
// Configure IRAM memory
SearchRamParam search_pa = { 0 };
iram_t iram;
int ram_size;
memset (&iram, 0, sizeof (iram_t));
ram_size = ((DEFAULT_WIDTH + 15) & ~15) * 36 + 2048;
IOGetIramBase (&iram);
if ((iram.end - iram.start) < ram_size)
ram_size = iram.end - iram.start;
search_pa.searchRamAddr = iram.start;
search_pa.SearchRamSize = ram_size;
vpu_EncGiveCommand (*handle, ENC_SET_SEARCHRAM_PARAM, &search_pa);
vpu_EncGetInitialInfo (*handle, initialInfo);
// Disable rotation/mirroring
vpu_EncGiveCommand (*handle, DISABLE_ROTATION, 0);
vpu_EncGiveCommand (*handle, DISABLE_MIRRORING, 0);
// Allocate memory for source frame buffer
source_buf.size = DEFAULT_WIDTH * DEFAULT_HEIGHT * 3/2;
IOGetPhyMem (&source_buf);
if(source_buf.phy_addr == 0) {
printf(">> error allocating source frame buffer\n");
ret = -1;
goto close;
}
IOGetVirtMem(&source_buf);
source_frame.strideY = DEFAULT_WIDTH;
source_frame.strideC = DEFAULT_WIDTH >> 1;
source_frame.bufY = source_buf.phy_addr;
source_frame.bufCb = source_frame.bufY + DEFAULT_WIDTH * DEFAULT_HEIGHT;
source_frame.bufCr = source_frame.bufCb + (DEFAULT_WIDTH * DEFAULT_HEIGHT >> 2);
printf("source frame buffer %i phys(%p) virt(%p)\n", 0, source_buf.phy_addr, source_buf.virt_uaddr);
// Get number of destination frame buffers and allocate
int num = initialInfo->minFrameBufferCount;
printf("number of needed frame buffers: %d\n", num);
vpu_mem_desc *framedesc = malloc(sizeof(vpu_mem_desc) * num);
FrameBuffer *frame = malloc(sizeof(FrameBuffer) * num);
memset (framedesc, 0, (sizeof (vpu_mem_desc) * num));
memset (frame, 0, (sizeof (FrameBuffer) * num));
// Allocate each destination frame buffer
for (i = 0; i < num; i++) {
framedesc[i].size = DEFAULT_WIDTH * DEFAULT_HEIGHT * 3/2;
IOGetPhyMem (&(framedesc[i]));
if (framedesc[i].phy_addr == 0) {
printf(">> error allocating destination frame buffers\n");
ret = -1;
goto frame;
}
IOGetVirtMem (&(framedesc[i]));
frame[i].strideY = DEFAULT_WIDTH;
frame[i].strideC = DEFAULT_WIDTH >> 1;
frame[i].bufY = framedesc[i].phy_addr;
frame[i].bufCb = frame[i].bufY + (DEFAULT_WIDTH * DEFAULT_HEIGHT);
frame[i].bufCr = frame[i].bufCb + ((DEFAULT_WIDTH * DEFAULT_HEIGHT) >> 2);
printf("destination frame buffer %i phys(%p) virt(%p)\n", i, framedesc[i].phy_addr, framedesc[i].virt_uaddr);
}
// Register allocated frame buffers
vpu_EncRegisterFrameBuffer (*handle, frame, num, DEFAULT_WIDTH, DEFAULT_WIDTH, 0, 0, NULL);
encParam->forceIPicture = 0;
encParam->skipPicture = 0;
encParam->enableAutoSkip = 0;
encParam->quantParam = VPU_DEFAULT_H264_QP;
// Get encoding Headers
EncHeaderParam enchdr_param = { 0 };
uint8_t *ptr;
uint8_t *header[NUM_INPUT_BUF];
uint32_t headersize[NUM_INPUT_BUF]; // size for each header element
enchdr_param.headerType = SPS_RBSP;
vpu_EncGiveCommand (*handle, ENC_PUT_AVC_HEADER, &enchdr_param);
headersize[SPS_HDR] = enchdr_param.size;
header[SPS_HDR] = malloc (enchdr_param.size);
if (header[SPS_HDR] == NULL) {
printf (">> error in allocating memory for SPS_RBSP Header" );
ret = -1;
goto frame;
}
ptr = (uint8_t*) (bit_stream_buf.virt_uaddr + enchdr_param.buf - bit_stream_buf.phy_addr);
memcpy (header[SPS_HDR], ptr, enchdr_param.size);
printf("header[SPS_HDR]: %d bytes\n", headersize[SPS_HDR]);
enchdr_param.headerType = PPS_RBSP;
vpu_EncGiveCommand (*handle, ENC_PUT_AVC_HEADER, &enchdr_param);
headersize[PPS_HDR] = enchdr_param.size;
header[PPS_HDR] = malloc (enchdr_param.size);
if (header[PPS_HDR] == NULL) {
printf (">> error in allocating memory for PPS_HDR Header" );
ret = -1;
goto frame;
}
ptr = (uint8_t*) (bit_stream_buf.virt_uaddr + enchdr_param.buf - bit_stream_buf.phy_addr);
memcpy (header[PPS_HDR], ptr, enchdr_param.size);
printf("header[PPS_HDR]: %d bytes\n", headersize[PPS_HDR]);
// Open output file and write headers
FILE *out = fopen ("BigBuckBunny_640x360_small.h264", "w"); //stdout
fwrite(header[SPS_HDR], 1, headersize[SPS_HDR], out);
fwrite(header[PPS_HDR], 1, headersize[PPS_HDR], out);
// Copy and Encode
FILE *in = fopen ("BigBuckBunny_640x360_small.yuv", "r");
while(fread((void*) source_buf.virt_uaddr, 1, DEFAULT_WIDTH * DEFAULT_HEIGHT * 3/2, in)) {
encParam->sourceFrame = &source_frame;
// Encode a single frame
vpu_EncStartOneFrame (*handle, encParam);
while(vpu_IsBusy()) {
vpu_WaitForInt (100);
}
vpu_EncGetOutputInfo (*handle, outputInfo);
// Write bitstream to file
fwrite((void*) bit_stream_buf.virt_uaddr, 1, outputInfo->bitstreamSize, out);
}
printf("\n");
fclose(in);
fclose(out);
frame:
for (i = 0; i < num; i++) {
IOFreeVirtMem(&(framedesc[i]));
IOFreePhyMem(&(framedesc[i]));
}
free(frame);
free(framedesc);
close:
// Close encoder
vpu_EncClose (*handle);
// Free alocated input buffer
IOFreeVirtMem (&bit_stream_buf);
IOFreePhyMem (&bit_stream_buf);
free:
free(encOP);
free(initialInfo);
free(outputInfo);
free(encParam);
free(handle);
return ret;
}
