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Merge commit '59ab9e8ba1df7e3347a4cd2bd56c32e74aede802' 

* commit '59ab9e8ba1df7e3347a4cd2bd56c32e74aede802':
  examples/encode_video: allocate the packet dynamically

Merged-by: Clément Bœsch <cboesch@gopro.com>
This commit is contained in:
Clément Bœsch 2017-04-04 11:48:23 +02:00
parent 4ea942f2ce 59ab9e8ba1
commit 6db36a0227
1 changed files with 8 additions and 7 deletions
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15
doc/examples/encode_video.c
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@ -71,7 +71,7 @@ int main(int argc, char **argv)
int i, ret, x, y;
FILE *f;
AVFrame *frame;
AVPacket pkt;
AVPacket *pkt;
uint8_t endcode[] = { 0, 0, 1, 0xb7 };
if (argc <= 2) {
@ -96,6 +96,10 @@ int main(int argc, char **argv)
exit(1);
}
pkt = av_packet_alloc();
if (!pkt)
exit(1);
/* put sample parameters */
c->bit_rate = 400000;
/* resolution must be a multiple of two */
@ -147,10 +151,6 @@ int main(int argc, char **argv)
/* encode 1 second of video */
for (i = 0; i < 25; i++) {
av_init_packet(&pkt);
pkt.data = NULL; // packet data will be allocated by the encoder
pkt.size = 0;
fflush(stdout);
/* make sure the frame data is writable */
@ -177,11 +177,11 @@ int main(int argc, char **argv)
frame->pts = i;
/* encode the image */
encode(c, frame, &pkt, f);
encode(c, frame, pkt, f);
}
/* flush the encoder */
encode(c, NULL, &pkt, f);
encode(c, NULL, pkt, f);
/* add sequence end code to have a real MPEG file */
fwrite(endcode, 1, sizeof(endcode), f);
@ -189,6 +189,7 @@ int main(int argc, char **argv)
avcodec_free_context(&c);
av_frame_free(&frame);
av_packet_free(&pkt);
return 0;
}