/** Writes single NDArray to the ffmpeg file.
* \param[in] pArray Pointer to the NDArray to be written
*/
asynStatus ffmpegFile::writeFile(NDArray *pArray)
{
static const char *functionName = "writeFile";
int ret;
char errbuf[AV_ERROR_MAX_STRING_SIZE];
if (!needStop) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: video stream not setup properly\n",
driverName2, functionName);
return(asynError);
}
if (formatArray(pArray, this->pasynUserSelf, this->inPicture,
&(this->ctx), this->c, this->scPicture) != asynSuccess) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: Could not format array for correct pix_fmt for codec\n",
driverName2, functionName);
return(asynError);
}
/* encode the image */
AVPacket pkt;
int got_output;
av_init_packet(&pkt);
pkt.data = NULL; // packet data will be allocated by the encoder
pkt.size = 0;
ret = avcodec_encode_video2(c, &pkt, this->scPicture, &got_output);
if (ret < 0) {
fprintf(stderr, "Error encoding video frame: %s\n", av_make_error_string(errbuf, AV_ERROR_MAX_STRING_SIZE, ret));
exit(1);
}
/* If size is zero, it means the image was buffered. */
if (got_output) {
if (c->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY;
pkt.stream_index = video_st->index;
/* Write the compressed frame to the media file. */
ret = av_interleaved_write_frame(oc, &pkt);
} else {
printf("got_output = 0, shouldn't see this\n");
ret = 0;
}
scPicture->pts += av_rescale_q(1, video_st->codec->time_base, video_st->time_base);
if (ret != 0) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s Error while writing video frame\n",
driverName2, functionName);
}
return(asynSuccess);
}
void format(Memory *mem, VariableValue &value, VariableType *type, QString &out, QString &tooltip) {
switch(type->getType()) {
case VariableType::Array:
formatArray(mem, value, type, out, tooltip);
break;
default:
formatBase(mem, value, type, out, tooltip);
break;
};
}
void JsonPrettify::formatValue (web::json::value &val, utility::ostream_t &stream) {
if ( val.is_array () )
formatArray (val.as_array (), stream) ;
else if ( val.is_object () )
formatObject (val.as_object (), stream) ;
else if ( val.is_string () )
format_string (val.as_string (), stream) ;
else if ( val.is_boolean () )
format_boolean (val.as_bool (), stream) ;
else if ( val.is_integer () )
format_integer (val.as_integer (), stream) ;
else if ( val.is_double () )
format_double (val.as_double (), stream) ;
else if ( val.is_null () )
format_null (stream) ;
}