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Code Issues Releases Activity

examples/qsvdec: Don't use stack packet

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2021-09-03 23:47:51 +02:00
parent e9182820ad
commit 9190302b2e
1 changed files with 9 additions and 9 deletions
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18
doc/examples/qsvdec.c
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@@ -113,7 +113,7 @@ int main(int argc, char **argv)
AVCodecContext *decoder_ctx = NULL; AVCodecContext *decoder_ctx = NULL;
const AVCodec *decoder; const AVCodec *decoder;
AVPacket pkt = { 0 }; AVPacket *pkt = NULL;
AVFrame *frame = NULL, *sw_frame = NULL; AVFrame *frame = NULL, *sw_frame = NULL;
AVIOContext *output_ctx = NULL; AVIOContext *output_ctx = NULL;
@@ -200,27 +200,26 @@ int main(int argc, char **argv)
frame = av_frame_alloc(); frame = av_frame_alloc();
sw_frame = av_frame_alloc(); sw_frame = av_frame_alloc();
if (!frame || !sw_frame) { pkt = av_packet_alloc();
if (!frame || !sw_frame || !pkt) {
ret = AVERROR(ENOMEM); ret = AVERROR(ENOMEM);
goto finish; goto finish;
} }
/* actual decoding */ /* actual decoding */
while (ret >= 0) { while (ret >= 0) {
ret = av_read_frame(input_ctx, &pkt); ret = av_read_frame(input_ctx, pkt);
if (ret < 0) if (ret < 0)
break; break;
if (pkt.stream_index == video_st->index) if (pkt->stream_index == video_st->index)
ret = decode_packet(decoder_ctx, frame, sw_frame, &pkt, output_ctx); ret = decode_packet(decoder_ctx, frame, sw_frame, pkt, output_ctx);
av_packet_unref(&pkt); av_packet_unref(pkt);
} }
/* flush the decoder */ /* flush the decoder */
pkt.data = NULL; ret = decode_packet(decoder_ctx, frame, sw_frame, NULL, output_ctx);
pkt.size = 0;
ret = decode_packet(decoder_ctx, frame, sw_frame, &pkt, output_ctx);
finish: finish:
if (ret < 0) { if (ret < 0) {
@@ -233,6 +232,7 @@ finish:
av_frame_free(&frame); av_frame_free(&frame);
av_frame_free(&sw_frame); av_frame_free(&sw_frame);
av_packet_free(&pkt);
avcodec_free_context(&decoder_ctx); avcodec_free_context(&decoder_ctx);