summaryrefslogtreecommitdiff
path: root/rotord/rotor.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'rotord/rotor.cpp')
-rwxr-xr-xrotord/rotor.cpp94
1 files changed, 70 insertions, 24 deletions
diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
index ee170f0..cffb929 100755
--- a/rotord/rotor.cpp
+++ b/rotord/rotor.cpp
@@ -486,6 +486,19 @@ bool Graph::load(string &filename){
}
else cerr << "Rotor: linking input " << i2 << " of node: '" << nodeID << "', cannot find target '" << fromID << "'" << endl;
}
+ int n3=xml.getNumTags("image_input");
+ for (int i3=0;i3<n3;i3++){
+ nodes[nodeID]->create_image_input(xml.getValue("image_input","",i3));
+ string fromID=xml.getAttribute("image_input","from","",i2);
+ if (nodes.find(fromID)!=nodes.end()) {
+ if (!nodes[nodeID]->inputs[i3]->connect((Image_node*)nodes[fromID])){
+ cerr << "Rotor: graph loader cannot connect input " << i3 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+ return false;
+ }
+ else cerr << "Rotor: linked input " << i3 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+ }
+ else cerr << "Rotor: linking input " << i3 << " of node: '" << nodeID << "', cannot find target '" << fromID << "'" << endl;
+ }
xml.popTag();
}
}
@@ -507,6 +520,7 @@ Node_factory::Node_factory(){
add_type("divide",new Signal_divide());
add_type("bang",new Is_new_integer());
add_type("signal_output",new Signal_output());
+ add_type("testcard",new Testcard());
add_type("video_output",new Video_output());
}
bool Audio_thumbnailer::init(int _channels,int _bits,int _samples,int _rate) {
@@ -742,18 +756,47 @@ bool Video_output::render(const float duration, const float framerate,const stri
*/
bool Video_output::render(const float duration, const float framerate,const string &output_filename,const string &audio_filename){
+ //
+ //setup defaults
+ int outW=640;
+ int outH=480;
+ int bitRate=4000000;
+ int frameRate=25;
+ AVCodecID codecId=AV_CODEC_ID_H264;
+ std::string container ="mov";
+
+
+ if (exporter->setup(outW,outH,bitRate,frameRate,codecId,container)) {
+ if (exporter->record(output_filename)) {
+
+ cerr << "Rotor: Video_output rendering " << duration << " seconds at " << framerate << " fps" << endl;
+ float step=1.0f/framerate;
+ float v=0.0f;
+ for (float f=0.0f;f<duration;f+=step) {
+ exporter->encodeFrame(get_output(Frame_spec(f,framerate,outW,outH))->RGBdata);
+ }
+ exporter->finishRecord();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+//new version from libav examples
+/*
AVOutputFormat *fmt;
AVFormatContext *oc;
AVStream *audio_st, *video_st;
double audio_pts, video_pts;
int i;
- /* Initialize libavcodec, and register all codecs and formats. */
+ //Initialize libavcodec, and register all codecs and formats. //
av_register_all();
//think about this: when to register and unregister?
- /* Autodetect the output format from the name. default is MPEG. */
+ //Autodetect the output format from the name. default is MPEG. //
fmt = av_guess_format(NULL, output_filename.c_str(), NULL);
if (!fmt) {
printf("Could not deduce output format from file extension: using MPEG.\n");
@@ -764,7 +807,7 @@ bool Video_output::render(const float duration, const float framerate,const stri
return false;
}
- /* Allocate the output media context. */
+ //Allocate the output media context. //
oc = avformat_alloc_context();
if (!oc) {
cerr <<"Rotor: memory error"<< endl;
@@ -773,8 +816,8 @@ bool Video_output::render(const float duration, const float framerate,const stri
oc->oformat = fmt;
snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
- /* Add the audio and video streams using the default format codecs
- * and initialize the codecs. */
+ //Add the audio and video streams using the default format codecs
+ * and initialize the codecs. //
video_st = NULL;
audio_st = NULL;
if (fmt->video_codec != AV_CODEC_ID_NONE) {
@@ -784,8 +827,8 @@ bool Video_output::render(const float duration, const float framerate,const stri
audio_st = add_audio_stream(oc, fmt->audio_codec);
}
- /* Now that all the parameters are set, we can open the audio and
- * video codecs and allocate the necessary encode buffers. */
+ //Now that all the parameters are set, we can open the audio and
+ * video codecs and allocate the necessary encode buffers. //
if (video_st)
open_video(oc, video_st);
if (audio_st)
@@ -793,19 +836,19 @@ bool Video_output::render(const float duration, const float framerate,const stri
av_dump_format(oc, 0, filename, 1);
- /* open the output file, if needed */
+ //open the output file, if needed //
if (!(fmt->flags & AVFMT_NOFILE)) {
if (avio_open(&oc->pb, filename, AVIO_FLAG_WRITE) < 0) {
- fprintf(stderr, "Could not open '%s'\n", filename);
- return 1;
+ cerr <<"Could not open "<<output_filename<<endl;
+ return false;
}
}
- /* Write the stream header, if any. */
+ //Write the stream header, if any. //
avformat_write_header(oc, NULL);
for (;;) {
- /* Compute current audio and video time. */
+ //Compute current audio and video time. //
if (audio_st)
audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
else
@@ -821,7 +864,7 @@ bool Video_output::render(const float duration, const float framerate,const stri
(!video_st || video_pts >= STREAM_DURATION))
break;
- /* write interleaved audio and video frames */
+ //write interleaved audio and video frames //
if (!video_st || (video_st && audio_st && audio_pts < video_pts)) {
write_audio_frame(oc, audio_st);
} else {
@@ -829,30 +872,33 @@ bool Video_output::render(const float duration, const float framerate,const stri
}
}
- /* Write the trailer, if any. The trailer must be written before you
- * close the CodecContexts open when you wrote the header; otherwise
- * av_write_trailer() may try to use memory that was freed on
- * av_codec_close(). */
- av_write_trailer(oc);
+ //Write the trailer, if any. The trailer must be written before you
+ // close the CodecContexts open when you wrote the header; otherwise
+ // av_write_trailer() may try to use memory that was freed on
+ // av_codec_close(). //
+ //av_write_trailer(oc);
- /* Close each codec. */
+ //Close each codec. //
if (video_st)
close_video(oc, video_st);
if (audio_st)
close_audio(oc, audio_st);
- /* Free the streams. */
+ //Free the streams. //
for (i = 0; i < oc->nb_streams; i++) {
av_freep(&oc->streams[i]->codec);
av_freep(&oc->streams[i]);
}
if (!(fmt->flags & AVFMT_NOFILE))
- /* Close the output file. */
+ //Close the output file. //
avio_close(oc->pb);
- /* free the stream */
+ //free the stream //
av_free(oc);
- return 0;
-} \ No newline at end of file
+ return true;
+ */
+
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 18:34:11 +0000