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-rw-r--r--README.md2
-rw-r--r--src/creator.c122
-rw-r--r--src/creator.h38
-rw-r--r--src/render.c2
-rw-r--r--src/render_cpu.h1
5 files changed, 162 insertions, 3 deletions
diff --git a/README.md b/README.md
index 3ab2a6c..c9847ed 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
# Mandelbrot Render - ProzProg Projekt
Ideen:
-
- - Mandelbrot ist symetrisch zur x-Achse
- Color Smoothing
\ No newline at end of file
diff --git a/src/creator.c b/src/creator.c
new file mode 100644
index 0000000..d8bd008
--- /dev/null
+++ b/src/creator.c
@@ -0,0 +1,122 @@
+#include "creator.h"
+#include "render.h"
+
+static void encode(AVCodecContext *enc_ctx, AVFrame *frame, AVPacket *pkt,
+ FILE *outfile)
+{
+ int ret;
+ /* send the frame to the encoder */
+ ret = avcodec_send_frame(enc_ctx, frame);
+ if (ret < 0) {
+ fprintf(stderr, "error sending a frame for encoding\n");
+ exit(1);
+ }
+ while (ret >= 0) {
+ ret = avcodec_receive_packet(enc_ctx, pkt);
+ if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+ return;
+ else if (ret < 0) {
+ fprintf(stderr, "error during encoding\n");
+ exit(1);
+ }
+ //printf("encoded frame %3"PRId64" (size=%5d)\n", pkt->pts, pkt->size);
+ fwrite(pkt->data, 1, pkt->size, outfile);
+ av_packet_unref(pkt);
+ }
+}
+int generateVideo(filename, int width, int height, int fps, int bitRate)
+{
+ avcodec_register_all();
+
+ /* find the mpeg1video encoder */
+ codec = avcodec_find_encoder(AV_CODEC_ID_MPEG1VIDEO);
+ if (!codec) {
+ fprintf(stderr, "codec not found\n");
+ exit(1);
+ }
+ c = avcodec_alloc_context3(codec);
+
+ picture = av_frame_alloc();
+ pkt = av_packet_alloc();
+ if (!pkt)
+ exit(1);
+
+ /* put sample parameters */
+ c->bit_rate = bitRate;
+
+ /* resolution must be a multiple of two */
+ if ((width*height)%2)
+ exit(1);
+ c->width = width;
+ c->height = height;
+
+ /* frames per second */
+ c->time_base = (AVRational){1, fps};
+ c->framerate = (AVRational){fps, 1};
+
+ /* emit one intra frame every ten frames */
+ c->gop_size = 10;
+ c->max_b_frames=1;
+ c->pix_fmt = AV_PIX_FMT_RGBA;
+ /* open it */
+
+ if (avcodec_open2(c, codec, NULL) < 0) {
+ fprintf(stderr, "could not open codec\n");
+ exit(1);
+ }
+ f = fopen(filename, "wb");
+ if (!f) {
+ fprintf(stderr, "could not open %s\n", filename);
+ exit(1);
+ }
+ picture->format = c->pix_fmt;
+ picture->width = c->width;
+ picture->height = c->height;
+ ret = av_frame_get_buffer(picture, 32);
+ if (ret < 0) {
+ fprintf(stderr, "could not alloc the frame data\n");
+ exit(1);
+ }
+
+
+void addFrame(int *frame)
+{
+ fflush(stdout);
+ /* make sure the frame data is writable */
+ ret = av_frame_make_writable(picture);
+ if (ret < 0)
+ exit(1);
+
+ picture->data[0] = frame;
+
+ /* prepare a dummy image */
+ /* Y */
+ /*for(y=0;y<c->height;y++) {
+ for(x=0;x<c->width;x++) {
+ picture->data[0][y * picture->linesize[0] + x] = x + y + i * 3;
+ }
+ } YCbCr colorCode
+ /* Cb and Cr *
+ for(y=0;y<c->height/2;y++) {
+ for(x=0;x<c->width/2;x++) {
+ picture->data[1][y * picture->linesize[1] + x] = 128 + y + i * 2;
+ picture->data[2][y * picture->linesize[2] + x] = 64 + x + i * 5;
+ }
+ } */
+
+ picture->pts = i;
+ /* encode the image */
+ encode(c, picture, pkt, f);
+}
+
+void endFile(void){
+ uint8_t endcode[] = { 0, 0, 1, 0xb7 };
+ /* flush the encoder */
+ encode(c, NULL, pkt, f);
+ /* add sequence end code to have a real MPEG file */
+ fwrite(endcode, 1, sizeof(endcode), f);
+ fclose(f);
+ avcodec_free_context(&c);
+ av_frame_free(&picture);
+ av_packet_free(&pkt);
+}
diff --git a/src/creator.h b/src/creator.h
new file mode 100644
index 0000000..b89b16c
--- /dev/null
+++ b/src/creator.h
@@ -0,0 +1,38 @@
+/*
+ * render.h
+ *
+ * Created on: 26.01.2018
+ * Author: rigtopa
+ *
+ */
+
+#ifndef CREATOR_H_
+#define CREATOR_H_
+
+#define COORDS(x, y, width) ((y)*(width)+(x))
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libavcodec/avcodec.h>
+#include <libavutil/frame.h>
+#include <libavutil/imgutils.h>
+
+
+AVFrame *picture;
+AVPacket *pkt;
+
+FILE *f;
+
+
+const AVCodec *codec;
+AVCodecContext *c= NULL;
+int i, ret, x, y;
+
+static void encode(AVCodecContext *enc_ctx, AVFrame *frame, AVPacket *pkt, FILE *outfile);
+
+int generateVideo(filename, int width, int height, int fps, int bitRate, Config *config, u32 (*sfunc) (long double, long double, u32));
+
+void addFrame(int *frame);
+
+#endif /* RENDER_H_ */
diff --git a/src/render.c b/src/render.c
index d8f6f59..6c01029 100644
--- a/src/render.c
+++ b/src/render.c
@@ -6,7 +6,7 @@
*/
#include "render.h"
-#define HAVE_STRUCT_TIMESPEC
+//#define HAVE_STRUCT_TIMESPEC
#include <pthread.h>
void init_render(Config *config)
diff --git a/src/render_cpu.h b/src/render_cpu.h
index ab50766..7469ca2 100644
--- a/src/render_cpu.h
+++ b/src/render_cpu.h
@@ -11,6 +11,7 @@
#include "defs.h"
#include <stdlib.h>
#include <GL/glut.h>
+#define HAVE_STRUCT_TIMESPEC
#include <pthread.h>
#include <time.h>
#include <math.h>