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authorLeonard Kugis <leonardkugis@gmail.com>2018-02-01 02:14:33 +0100
committerLeonard Kugis <leonardkugis@gmail.com>2018-02-01 02:14:33 +0100
commitf1e93826da797128adcf90396d450fa590631bfb (patch)
treeb50a8fa9b929a917934140eadd1f52947cdab133 /src/creator.c
parent18e5b2554b4cd73207e936e76e32c9d376cd1ba8 (diff)
integrated video export, exporting garbageHEADmaster
Diffstat (limited to 'src/creator.c')
-rw-r--r--src/creator.c46
1 files changed, 24 insertions, 22 deletions
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);
}