[FFmpeg-cvslog] examples/hw_decode: Don't use stack packet
Andreas Rheinhardt
git at videolan.org
Sun Oct 3 23:48:36 EEST 2021
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Fri Sep 3 23:44:36 2021 +0200| [e9182820ad30dd7f68634822a03010408d90988c] | committer: Andreas Rheinhardt
examples/hw_decode: Don't use stack packet
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e9182820ad30dd7f68634822a03010408d90988c
---
doc/examples/hw_decode.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/doc/examples/hw_decode.c b/doc/examples/hw_decode.c
index 096a229c0d..0d23f451e6 100644
--- a/doc/examples/hw_decode.c
+++ b/doc/examples/hw_decode.c
@@ -153,7 +153,7 @@ int main(int argc, char *argv[])
AVStream *video = NULL;
AVCodecContext *decoder_ctx = NULL;
const AVCodec *decoder = NULL;
- AVPacket packet;
+ AVPacket *packet = NULL;
enum AVHWDeviceType type;
int i;
@@ -172,6 +172,12 @@ int main(int argc, char *argv[])
return -1;
}
+ packet = av_packet_alloc();
+ if (!packet) {
+ fprintf(stderr, "Failed to allocate AVPacket\n");
+ return -1;
+ }
+
/* open the input file */
if (avformat_open_input(&input_ctx, argv[2], NULL, NULL) != 0) {
fprintf(stderr, "Cannot open input file '%s'\n", argv[2]);
@@ -227,23 +233,21 @@ int main(int argc, char *argv[])
/* actual decoding and dump the raw data */
while (ret >= 0) {
- if ((ret = av_read_frame(input_ctx, &packet)) < 0)
+ if ((ret = av_read_frame(input_ctx, packet)) < 0)
break;
- if (video_stream == packet.stream_index)
- ret = decode_write(decoder_ctx, &packet);
+ if (video_stream == packet->stream_index)
+ ret = decode_write(decoder_ctx, packet);
- av_packet_unref(&packet);
+ av_packet_unref(packet);
}
/* flush the decoder */
- packet.data = NULL;
- packet.size = 0;
- ret = decode_write(decoder_ctx, &packet);
- av_packet_unref(&packet);
+ ret = decode_write(decoder_ctx, NULL);
if (output_file)
fclose(output_file);
+ av_packet_free(&packet);
avcodec_free_context(&decoder_ctx);
avformat_close_input(&input_ctx);
av_buffer_unref(&hw_device_ctx);
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