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examples/encode_video: allocate the packet dynamically
AVPackets on stack are discouraged.
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@ -69,7 +69,7 @@ int main(int argc, char **argv)
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int i, ret, x, y;
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FILE *f;
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AVFrame *picture;
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AVPacket pkt;
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AVPacket *pkt;
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uint8_t endcode[] = { 0, 0, 1, 0xb7 };
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if (argc <= 1) {
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@ -90,6 +90,10 @@ int main(int argc, char **argv)
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c = avcodec_alloc_context3(codec);
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picture = av_frame_alloc();
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pkt = av_packet_alloc();
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if (!pkt)
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exit(1);
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/* put sample parameters */
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c->bit_rate = 400000;
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/* resolution must be a multiple of two */
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@ -127,10 +131,6 @@ int main(int argc, char **argv)
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/* encode 1 second of video */
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for(i=0;i<25;i++) {
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av_init_packet(&pkt);
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pkt.data = NULL; // packet data will be allocated by the encoder
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pkt.size = 0;
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fflush(stdout);
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/* make sure the frame data is writable */
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@ -157,11 +157,11 @@ int main(int argc, char **argv)
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picture->pts = i;
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/* encode the image */
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encode(c, picture, &pkt, f);
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encode(c, picture, pkt, f);
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}
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/* flush the encoder */
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encode(c, NULL, &pkt, f);
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encode(c, NULL, pkt, f);
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/* add sequence end code to have a real MPEG file */
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fwrite(endcode, 1, sizeof(endcode), f);
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@ -169,6 +169,7 @@ int main(int argc, char **argv)
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avcodec_free_context(&c);
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av_frame_free(&picture);
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av_packet_free(&pkt);
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return 0;
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}
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