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avcodec/crystalhd: Use AVCodecInternal.in_pkt instead of stack packet 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-09-23 23:19:24 +02:00
parent e353300622
commit 9b851c4b92
1 changed files with 9 additions and 5 deletions
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14
libavcodec/crystalhd.c
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@ -90,6 +90,9 @@ typedef struct OpaqueList {
typedef struct {
AVClass *av_class;
AVCodecContext *avctx;
/* This packet coincides with AVCodecInternal.in_pkt
* and is not owned by us. */
AVPacket *pkt;
HANDLE dev;
uint8_t is_70012;
@ -328,6 +331,7 @@ static av_cold int init(AVCodecContext *avctx)
/* Initialize the library */
priv = avctx->priv_data;
priv->avctx = avctx;
priv->pkt = avctx->internal->in_pkt;
priv->draining = 0;
subtype = id2subtype(priv, avctx->codec->id);
@ -703,19 +707,19 @@ static int crystalhd_receive_frame(AVCodecContext *avctx, AVFrame *frame)
BC_DTS_STATUS decoder_status = { 0, };
CopyRet rec_ret;
CHDContext *priv = avctx->priv_data;
AVPacket *const pkt = priv->pkt;
HANDLE dev = priv->dev;
int got_frame = 0;
int ret = 0;
AVPacket pkt = {0};
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: receive_frame\n");
ret = ff_decode_get_packet(avctx, &pkt);
ret = ff_decode_get_packet(avctx, pkt);
if (ret < 0 && ret != AVERROR_EOF) {
return ret;
}
while (pkt.size > DtsTxFreeSize(dev)) {
while (pkt->size > DtsTxFreeSize(dev)) {
/*
* Block until there is space in the buffer for the next packet.
* We assume that the hardware will make forward progress at this
@ -724,8 +728,8 @@ static int crystalhd_receive_frame(AVCodecContext *avctx, AVFrame *frame)
av_log(avctx, AV_LOG_TRACE, "CrystalHD: Waiting for space in input buffer\n");
}
ret = crystalhd_decode_packet(avctx, &pkt);
av_packet_unref(&pkt);
ret = crystalhd_decode_packet(avctx, pkt);
av_packet_unref(pkt);
// crystalhd_is_buffer_full() should avoid this.
if (ret == AVERROR(EAGAIN)) {
ret = AVERROR_EXTERNAL;