ImagePtr MagickImageLoader::load(Magick::Image& image) {
Magick::Blob blob;
convertColorSpace(image);
convertImageToDib(image, blob);
ImagePtr res = makeImage(blob);
res->setSize(Size(image.size().width(), image.size().height()));
return res;
}
ComponentResult encodeThisSourceFrame(VP8EncoderGlobals glob,
ICMCompressorSourceFrameRef sourceFrame)
{
vpx_codec_err_t codecError;
ComponentResult err = noErr;
const UInt8 *decoderDataPtr;
int storageIndex = 0;
//time is multiplied by 2 to allow space for altref frames
UInt32 time2 = glob->frameCount * 2;
dbg_printf("[vp8e - %08lx] encode this frame %08lx %ld time2 %lu\n",
(UInt32)glob, (UInt32)sourceFrame, glob->frameCount, time2);
//long dispNumber = ICMCompressorSourceFrameGetDisplayNumber(sourceFrame);
// Initialize codec if needed
initializeCodec(glob, sourceFrame);
/////// Transfer the current frame to glob->raw
if (sourceFrame != NULL)
{
if (glob->currentPass != VPX_RC_FIRST_PASS)
addSourceFrame(glob,sourceFrame);
err = convertColorSpace(glob, sourceFrame);
if (err) goto bail;
int flags = 0 ; //TODO - find out what I may need in these flags
dbg_printf("[vp8e - %08lx] vpx_codec_encode codec %x raw %x framecount %d flags %x\n", (UInt32)glob, glob->codec, glob->raw, glob->frameCount, flags);
//TODO seems like quality should be an option. Right now hardcoded to GOOD_QUALITY
codecError = vpx_codec_encode(glob->codec, glob->raw, time2,
1, flags, VPX_DL_GOOD_QUALITY);
dbg_printf("[vp8e - %08lx] vpx_codec_encode codec exit\n", (UInt32)glob);
}
else //sourceFrame is Null. this could be termination of a pass
{
int flags = 0 ; //TODO - find out what I may need in these flags
dbg_printf("[vp8e - %08lx] vpx_codec_encode codec %x raw %x framecount %d ----NULL TERMINATION\n", (UInt32)glob, glob->codec, NULL, glob->frameCount, flags);
codecError = vpx_codec_encode(glob->codec, NULL, time2,
1, flags, VPX_DL_GOOD_QUALITY);
}
glob->frameCount++ ; //framecount gets reset on a new pass
if (codecError)
{
const char *detail = vpx_codec_error_detail(glob->codec);
dbg_printf("[vp8e - %08lx] error vpx encode is %s\n", (UInt32)glob, vpx_codec_error(glob->codec));
if (detail)
dbg_printf(" %s\n", detail);
goto bail;
}
vpx_codec_iter_t iter = NULL;
int got_data = 0;
while (1)
{
const vpx_codec_cx_pkt_t *pkt = vpx_codec_get_cx_data(glob->codec, &iter);
if (pkt == NULL)
break;
got_data ++;
switch (pkt->kind)
{
case VPX_CODEC_CX_FRAME_PKT:
err = emitEncodedFrame(glob, pkt);
if (err)
goto bail;
break;
case VPX_CODEC_STATS_PKT:
if (1)
{
unsigned long newSize = glob->stats.sz + pkt->data.twopass_stats.sz;
glob->stats.buf = realloc(glob->stats.buf, newSize);
if (!glob->stats.buf)
return mFulErr;
dbg_printf("[vp8e - %08lx] Reallocation buffer size to %ld\n", (UInt32)glob, newSize);
memcpy((char*)glob->stats.buf + glob->stats.sz, pkt->data.twopass_stats.buf,
pkt->data.twopass_stats.sz);
glob->stats.sz = newSize;
}
break;
default:
break;
}
}
if (glob->currentPass == VPX_RC_FIRST_PASS)
{
//in the first pass no need to export any frames
return err;
}
bail:
if (err)
dbg_printf("[vp8e - %08lx] bailed with err %d\n", (UInt32)glob, err);
return err;
}
