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lavc/avcodec: switch to new FIFO API

This commit is contained in:
Anton Khirnov 2022-01-07 11:41:42 +01:00 committed by Andreas Rheinhardt
parent 93ed375574
commit 37e70d4802
3 changed files with 16 additions and 27 deletions
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17
libavcodec/avcodec.c
View File

@ -183,7 +183,8 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
avci->es.in_frame = av_frame_alloc();
avci->in_pkt = av_packet_alloc();
avci->last_pkt_props = av_packet_alloc();
avci->pkt_props = av_fifo_alloc(sizeof(*avci->last_pkt_props));
avci->pkt_props = av_fifo_alloc2(1, sizeof(*avci->last_pkt_props),
AV_FIFO_FLAG_AUTO_GROW);
if (!avci->buffer_frame || !avci->buffer_pkt ||
!avci->es.in_frame || !avci->in_pkt ||
!avci->last_pkt_props || !avci->pkt_props) {
@ -399,13 +400,8 @@ void avcodec_flush_buffers(AVCodecContext *avctx)
av_packet_unref(avci->buffer_pkt);
av_packet_unref(avci->last_pkt_props);
while (av_fifo_size(avci->pkt_props) >= sizeof(*avci->last_pkt_props)) {
av_fifo_generic_read(avci->pkt_props,
avci->last_pkt_props, sizeof(*avci->last_pkt_props),
NULL);
while (av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1) >= 0)
av_packet_unref(avci->last_pkt_props);
}
av_fifo_reset(avci->pkt_props);
av_frame_unref(avci->es.in_frame);
av_packet_unref(avci->in_pkt);
@ -464,12 +460,11 @@ av_cold int avcodec_close(AVCodecContext *avctx)
av_frame_free(&avci->buffer_frame);
av_packet_free(&avci->buffer_pkt);
if (avci->pkt_props) {
while (av_fifo_size(avci->pkt_props) >= sizeof(*avci->last_pkt_props)) {
while (av_fifo_can_read(avci->pkt_props)) {
av_packet_unref(avci->last_pkt_props);
av_fifo_generic_read(avci->pkt_props, avci->last_pkt_props,
sizeof(*avci->last_pkt_props), NULL);
av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1);
}
av_fifo_freep(&avci->pkt_props);
av_fifo_freep2(&avci->pkt_props);
}
av_packet_free(&avci->last_pkt_props);

24
libavcodec/decode.c
View File

@ -165,26 +165,19 @@ static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt)
int ret = 0;
if (IS_EMPTY(avci->last_pkt_props)) {
if (av_fifo_size(avci->pkt_props) >= sizeof(*pkt)) {
av_fifo_generic_read(avci->pkt_props, avci->last_pkt_props,
sizeof(*avci->last_pkt_props), NULL);
} else
if (av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1) < 0)
return copy_packet_props(avci->last_pkt_props, pkt);
}
if (av_fifo_space(avci->pkt_props) < sizeof(*pkt)) {
ret = av_fifo_grow(avci->pkt_props, sizeof(*pkt));
if (ret < 0)
return ret;
}
ret = copy_packet_props(&tmp, pkt);
if (ret < 0)
return ret;
av_fifo_generic_write(avci->pkt_props, &tmp, sizeof(tmp), NULL);
ret = av_fifo_write(avci->pkt_props, &tmp, 1);
if (ret < 0)
av_packet_unref(&tmp);
return 0;
return ret;
}
static int decode_bsfs_init(AVCodecContext *avctx)
@ -544,9 +537,10 @@ static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
avci->draining_done = 1;
if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS) &&
IS_EMPTY(avci->last_pkt_props) && av_fifo_size(avci->pkt_props) >= sizeof(*avci->last_pkt_props))
av_fifo_generic_read(avci->pkt_props,
avci->last_pkt_props, sizeof(*avci->last_pkt_props), NULL);
IS_EMPTY(avci->last_pkt_props)) {
// May fail if the FIFO is empty.
av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1);
}
if (!ret) {
frame->best_effort_timestamp = guess_correct_pts(avctx,

2
libavcodec/internal.h
View File

@ -149,7 +149,7 @@ typedef struct AVCodecInternal {
* for decoding.
*/
AVPacket *last_pkt_props;
AVFifoBuffer *pkt_props;
AVFifo *pkt_props;
/**
* temporary buffer used for encoders to store their bitstream