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fftools/ffmpeg_filter: embed displaymatrix into private context

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It has a small fixed size, so it is better to embed it rather than deal
with dynamic allocation.
This commit is contained in:
Anton Khirnov 2023-05-13 13:36:40 +02:00
parent dcfbfb417c
commit 9effea016c
1 changed files with 8 additions and 7 deletions
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15
fftools/ffmpeg_filter.c
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@ -83,7 +83,8 @@ typedef struct InputFilterPriv {
AVBufferRef *hw_frames_ctx;
int32_t *displaymatrix;
int displaymatrix_present;
int32_t displaymatrix[9];
// fallback parameters to use when no input is ever sent
struct {
@ -302,7 +303,6 @@ void fg_free(FilterGraph **pfg)
av_frame_free(&frame);
av_fifo_freep2(&ifp->frame_queue);
}
av_freep(&ifp->displaymatrix);
if (ist->sub2video.sub_queue) {
AVSubtitle sub;
while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
@ -1094,7 +1094,7 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
int32_t *displaymatrix = ifp->displaymatrix;
double theta;
if (!displaymatrix)
if (!ifp->displaymatrix_present)
displaymatrix = (int32_t *)av_stream_get_side_data(ist->st, AV_PKT_DATA_DISPLAYMATRIX, NULL);
theta = get_rotation(displaymatrix);
@ -1450,10 +1450,10 @@ static int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *fr
if (ret < 0)
return ret;
av_freep(&ifp->displaymatrix);
sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX);
if (sd)
ifp->displaymatrix = av_memdup(sd->data, sizeof(int32_t) * 9);
memcpy(ifp->displaymatrix, sd->data, sizeof(ifp->displaymatrix));
ifp->displaymatrix_present = !!sd;
return 0;
}
@ -1611,9 +1611,10 @@ int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame, int keep_reference)
need_reinit = 1;
if (sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX)) {
if (!ifp->displaymatrix || memcmp(sd->data, ifp->displaymatrix, sizeof(int32_t) * 9))
if (!ifp->displaymatrix_present ||
memcmp(sd->data, ifp->displaymatrix, sizeof(ifp->displaymatrix)))
need_reinit = 1;
} else if (ifp->displaymatrix)
} else if (ifp->displaymatrix_present)
need_reinit = 1;
if (need_reinit) {