From f1e93826da797128adcf90396d450fa590631bfb Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonardkugis@gmail.com>
Date: Thu, 1 Feb 2018 02:14:33 +0100
Subject: integrated video export, exporting garbage

---
 src/creator.c | 46 ++++++++++++++++++++++++----------------------
 1 file changed, 24 insertions(+), 22 deletions(-)

(limited to 'src/creator.c')

diff --git a/src/creator.c b/src/creator.c
index 85fd0b0..0e0c3ac 100644
--- a/src/creator.c
+++ b/src/creator.c
@@ -24,17 +24,17 @@ static void encode(AVCodecContext *enc_ctx, AVFrame *frame, AVPacket *pkt,
         av_packet_unref(pkt);
     }
 }
-int generateVideo(char *filename, int width, int height, int fps, int bitRate)
+int generateVideo(const char *filename, int width, int height, int fps, int bitRate)
 {
     avcodec_register_all();
 
     /* find the mpeg1video encoder */
-	codec = avcodec_find_encoder(AV_CODEC_ID_MPEG1VIDEO);
+	codec = avcodec_find_encoder(AV_CODEC_ID_MPEG2VIDEO);
 	if (!codec) {
 		fprintf(stderr, "codec not found\n");
 		exit(1);
 	}
-	c = avcodec_alloc_context3(codec);
+	avc = avcodec_alloc_context3(codec);
 
 	picture = av_frame_alloc();
 	pkt = av_packet_alloc();
@@ -42,25 +42,25 @@ int generateVideo(char *filename, int width, int height, int fps, int bitRate)
 		exit(1);
 
     /* put sample parameters */
-    c->bit_rate = bitRate;
+	avc->bit_rate = bitRate;
 
     /* resolution must be a multiple of two */
     if ((width*height)%2)
     	exit(1);
-    c->width = width;
-    c->height = height;
+    avc->width = width;
+    avc->height = height;
 
     /* frames per second */
-    c->time_base = (AVRational){1, fps};
-    c->framerate = (AVRational){fps, 1};
+    avc->time_base = (AVRational){1, fps};
+    avc->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;
+    avc->gop_size = 10;
+    avc->max_b_frames=1;
+    avc->pix_fmt = AV_PIX_FMT_YUV420P;
     /* open it */
 
-    if (avcodec_open2(c, codec, NULL) < 0) {
+    if (avcodec_open2(avc, codec, NULL) < 0) {
         fprintf(stderr, "could not open codec\n");
         exit(1);
     }
@@ -69,14 +69,15 @@ int generateVideo(char *filename, int width, int height, int fps, int bitRate)
         fprintf(stderr, "could not open %s\n", filename);
         exit(1);
     }
-    picture->format = c->pix_fmt;
-    picture->width  = c->width;
-    picture->height = c->height;
+    picture->format = avc->pix_fmt;
+    picture->width  = avc->width;
+    picture->height = avc->height;
     ret = av_frame_get_buffer(picture, 32);
-    if (ret < 0) {
+    if (creator_ret < 0) {
         fprintf(stderr, "could not alloc the frame data\n");
         exit(1);
     }
+    pts_old = 0;
     return TRUE;
 }
 
@@ -85,8 +86,8 @@ void addFrame(int *frame)
 {
 	fflush(stdout);
 	/* make sure the frame data is writable */
-	ret = av_frame_make_writable(picture);
-	if (ret < 0)
+	creator_ret = av_frame_make_writable(picture);
+	if (creator_ret < 0)
 		exit(1);
 
 	picture->data[0] = frame;
@@ -106,19 +107,20 @@ void addFrame(int *frame)
 	 }
 	 } */
 
-	picture->pts = i;
+	picture->pts = pts_old;
+	pts_old++;
 	/* encode the image */
-	encode(c, picture, pkt, f);
+	encode(avc, picture, pkt, f);
 }
 
 void endFile(void){
 	uint8_t endcode[] = { 0, 0, 1, 0xb7 };
 	/* flush the encoder */
-    encode(c, NULL, pkt, f);
+    encode(avc, 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);
+    avcodec_free_context(&avc);
     av_frame_free(&picture);
     av_packet_free(&pkt);
 }
-- 
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