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Code Issues Releases Activity

fftools/ffmpeg_filter: move sub2video subtitle queue to InputFilterPriv

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This queue should be associated with a specific filtergraph input - if
a subtitle stream is sent to multiple filters then each should have its
own queue.
This commit is contained in:
Anton Khirnov 2023-05-23 13:07:57 +02:00
parent 5d530e3a72
commit a6d67b11f5
2 changed files with 15 additions and 12 deletions
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1
fftools/ffmpeg.h
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@ -374,7 +374,6 @@ typedef struct InputStream {
struct sub2video {
int64_t last_pts;
int64_t end_pts;
AVFifo *sub_queue; ///< queue of AVSubtitle* before filter init
AVFrame *frame;
int w, h;
unsigned int initialize; ///< marks if sub2video_update should force an initialization

26
fftools/ffmpeg_filter.c
View File

@ -104,6 +104,10 @@ typedef struct InputFilterPriv {
AVChannelLayout ch_layout;
} fallback;
struct {
///< queue of AVSubtitle* before filter init
AVFifo *queue;
} sub2video;
} InputFilterPriv;
static InputFilterPriv *ifp_from_ifilter(InputFilter *ifilter)
@ -593,7 +597,6 @@ void fg_free(FilterGraph **pfg)
for (int j = 0; j < fg->nb_inputs; j++) {
InputFilter *ifilter = fg->inputs[j];
InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
InputStream *ist = ifp->ist;
if (ifp->frame_queue) {
AVFrame *frame;
@ -601,11 +604,11 @@ void fg_free(FilterGraph **pfg)
av_frame_free(&frame);
av_fifo_freep2(&ifp->frame_queue);
}
if (ist && ist->sub2video.sub_queue) {
if (ifp->sub2video.queue) {
AVSubtitle sub;
while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
while (av_fifo_read(ifp->sub2video.queue, &sub, 1) >= 0)
avsubtitle_free(&sub);
av_fifo_freep2(&ist->sub2video.sub_queue);
av_fifo_freep2(&ifp->sub2video.queue);
}
av_channel_layout_uninit(&ifp->fallback.ch_layout);
@ -1495,10 +1498,11 @@ int configure_filtergraph(FilterGraph *fg)
/* process queued up subtitle packets */
for (i = 0; i < fg->nb_inputs; i++) {
InputStream *ist = ifp_from_ifilter(fg->inputs[i])->ist;
if (ist->sub2video.sub_queue && ist->sub2video.frame) {
InputFilterPriv *ifp = ifp_from_ifilter(fg->inputs[i]);
InputStream *ist = ifp->ist;
if (ifp->sub2video.queue && ist->sub2video.frame) {
AVSubtitle tmp;
while (av_fifo_read(ist->sub2video.sub_queue, &tmp, 1) >= 0) {
while (av_fifo_read(ifp->sub2video.queue, &tmp, 1) >= 0) {
sub2video_update(ist, INT64_MIN, &tmp);
avsubtitle_free(&tmp);
}
@ -1649,16 +1653,16 @@ int ifilter_sub2video(InputFilter *ifilter, const AVSubtitle *subtitle)
} else {
AVSubtitle sub;
if (!ist->sub2video.sub_queue)
ist->sub2video.sub_queue = av_fifo_alloc2(8, sizeof(AVSubtitle), AV_FIFO_FLAG_AUTO_GROW);
if (!ist->sub2video.sub_queue)
if (!ifp->sub2video.queue)
ifp->sub2video.queue = av_fifo_alloc2(8, sizeof(AVSubtitle), AV_FIFO_FLAG_AUTO_GROW);
if (!ifp->sub2video.queue)
return AVERROR(ENOMEM);
ret = copy_av_subtitle(&sub, subtitle);
if (ret < 0)
return ret;
ret = av_fifo_write(ist->sub2video.sub_queue, &sub, 1);
ret = av_fifo_write(ifp->sub2video.queue, &sub, 1);
if (ret < 0) {
avsubtitle_free(&sub);
return ret;