OSErr qQuickTimeEncoderCallback(void *encodedFrameOutputRefCon,
ICMCompressionSessionRef session,
OSStatus error,
ICMEncodedFrameRef frame,
void *reserved)
{
QEncoder* encoder = (QEncoder*)encodedFrameOutputRefCon;
QCallbackData *cbd = &(encoder->callbackData);
char* buf;
int frameDataSize = ICMEncodedFrameGetDataSize(frame);
ICMFrameType frameType = ICMEncodedFrameGetFrameType(frame); // is this a keyframe?
ImageDescriptionHandle handle;
OSStatus err;
long count;
// XXXX DEBUGGGING: let's see if this mofo has any extensions
/*
err = ICMEncodedFrameGetImageDescription(frame, &handle);
if (err != noErr) {
fprintf(QSTDERR, "\nqQuickTimeEncoderCallback(): cannot get an image description of the frame");
fprintf(QSTDERR, "\n\tQUICKTIME ERROR CODE: %d", err);
return noErr; // I don't know what the QuickTime error code should be (or how QT would interpret it)
}
err = CountImageDescriptionExtensionType(handle, 'avcC', &count);
if (err != noErr) {
fprintf(QSTDERR, "\nqQuickTimeEncoderCallback(): cannot get extension count for type 'avcC'");
fprintf(QSTDERR, "\n\tQUICKTIME ERROR CODE: %d", err);
return noErr; // I don't know what the QuickTime error code should be (or how QT would interpret it)
}
fprintf(QSTDERR, "\ncount for extension type 'avcC': %d", count);
*/
int dataErr = qPrepareCallbackDataForWrite(cbd, frameDataSize+1);
if (dataErr) {
fprintf(QSTDERR, "\nqQuickTimeEncoderCallback: cannot get a callback buffer");
return noErr; // I don't know what the QuickTime error code should be (or how QT would interpret it)
}
buf = cbd->data;
// QwaqMediaPlugin-V1: first byte denotes whether the frame is a keyframe or not.
if (frameType == kICMFrameType_I) buf[0] = 1; // yep, that's a keyframe
else buf[0] = 0; // nosirree, that ain't no keyframe
//XXXX: debugging: is the frame a keyframe?
//fprintf(QSTDERR, "\nkeyframe value: %d", frameType);
// Store the data.
memcpy(buf+1, ICMEncodedFrameGetDataPtr(frame), frameDataSize);
interpreterProxy->signalSemaphoreWithIndex(encoder->semaIndex);
return noErr;
}
static OSStatus
_frame_compressed(void *efRefCon, ICMCompressionSessionRef session,
OSStatus err, ICMEncodedFrameRef ef, void *reserved)
{
dbg_printf("[ vOE] >> [%08lx] :: _frame_compressed()\n", (UInt32) -1);
if (!err) {
StreamInfoPtr si = (StreamInfoPtr) efRefCon;
ImageDescriptionHandle imgDesc = NULL;
ImageDescription *id;
UInt32 enc_size = ICMEncodedFrameGetDataSize(ef);
err = ICMEncodedFrameGetImageDescription(ef, &imgDesc);
if (!err) {
id = *imgDesc;
dbg_printf("[ vOE] f> [%08lx] :: _frame_compressed() = %ld, '%4.4s'"
" %08lx %08lx [%d x %d] [%f x %f] %ld %d %d %d\n",
(UInt32) -1, err, (char *) &id->cType,
id->temporalQuality, id->spatialQuality, id->width,
id->height, id->hRes / 65536.0, id->vRes / 65536.0,
id->dataSize, id->frameCount, id->depth, id->clutID);
dbg_printf("[ vOE] fi [%08lx] :: _frame_compressed() = %lld %ld %ld\n",
(UInt32) -1, ICMEncodedFrameGetDecodeDuration(ef),
enc_size, ICMEncodedFrameGetBufferSize(ef));
}
if (si->si_v.cs_imdsc == NULL)
si->si_v.cs_imdsc = imgDesc;
if (si->si_v.op_buffer_size < enc_size) {
si->si_v.op_buffer = realloc(si->si_v.op_buffer, enc_size);
si->si_v.op_buffer_size = enc_size;
}
memcpy(si->si_v.op_buffer, ICMEncodedFrameGetDataPtr(ef), enc_size);
/* skip one byte (pre-padding);
see TheoraEncoder.c, Theora_ImageEncoderEncodeFrame() */
si->si_v.op.packet = si->si_v.op_buffer + 1;
si->si_v.op.bytes = enc_size - 1;
//si->si_v.op.packetno = si->packets_total++;
//si->si_v.op.granulepos = si->last_grpos++;
si->si_v.op_flags = ICMEncodedFrameGetMediaSampleFlags(ef);
}
dbg_printf("[ vOE] < [%08lx] :: _frame_compressed() = %ld\n",
(UInt32) -1, err);
return err;
}
