mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-01 08:49:59 +02:00
use new PTS api - corrected AV sync for transcoding - factorized print_report() code
Originally committed as revision 1059 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard
parent
1e51d801d3
commit
ec5517d5cf
430
ffmpeg.c
430
ffmpeg.c
@ -18,7 +18,6 @@
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*/
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#define HAVE_AV_CONFIG_H
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#include "avformat.h"
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#include "tick.h"
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#ifndef CONFIG_WIN32
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#include <unistd.h>
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@ -162,8 +161,12 @@ typedef struct AVOutputStream {
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int index; /* stream index in the output file */
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int source_index; /* AVInputStream index */
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AVStream *st; /* stream in the output file */
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int encoding_needed; /* true if encoding needed for this stream */
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int encoding_needed; /* true if encoding needed for this stream */
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int frame_number;
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/* input pts and corresponding output pts
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for A/V sync */
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double sync_ipts;
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INT64 sync_opts;
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/* video only */
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AVPicture pict_tmp; /* temporary image for resizing */
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int video_resample;
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@ -182,12 +185,8 @@ typedef struct AVInputStream {
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AVStream *st;
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int discard; /* true if stream data should be discarded */
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int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
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Ticker pts_ticker; /* Ticker for PTS calculation */
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int ticker_inited; /* to signal if the ticker was initialized */
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INT64 pts; /* current pts */
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int pts_increment; /* expected pts increment for next packet */
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int frame_number; /* current frame */
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INT64 sample_index; /* current sample */
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int frame_decoded; /* true if a video or audio frame has been decoded */
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} AVInputStream;
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typedef struct AVInputFile {
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@ -330,7 +329,7 @@ static void do_audio_out(AVFormatContext *s,
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&ost->fifo.rptr) == 0) {
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ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
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(short *)audio_buf);
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s->oformat->write_packet(s, ost->index, audio_out, ret, 0);
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av_write_frame(s, ost->index, audio_out, ret);
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}
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} else {
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/* output a pcm frame */
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@ -347,7 +346,7 @@ static void do_audio_out(AVFormatContext *s,
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}
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ret = avcodec_encode_audio(enc, audio_out, size_out,
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(short *)buftmp);
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s->oformat->write_packet(s, ost->index, audio_out, ret, 0);
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av_write_frame(s, ost->index, audio_out, ret);
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}
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}
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@ -443,18 +442,20 @@ static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
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default:
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return;
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}
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s->oformat->write_packet(s, index, buf, size, 0);
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av_write_frame(s, index, buf, size);
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av_free(buf);
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}
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/* we begin to correct av delay at this threshold */
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#define AV_DELAY_MAX 0.100
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static void do_video_out(AVFormatContext *s,
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AVOutputStream *ost,
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AVInputStream *ist,
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AVPicture *picture1,
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int *frame_size)
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int *frame_size, AVOutputStream *audio_sync)
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{
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int n1, n2, nb, i, ret, frame_number, dec_frame_rate;
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int nb_frames, i, ret;
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AVPicture *picture, *picture2, *pict;
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AVPicture picture_tmp1, picture_tmp2;
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static UINT8 *video_buffer;
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@ -466,19 +467,43 @@ static void do_video_out(AVFormatContext *s,
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enc = &ost->st->codec;
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dec = &ist->st->codec;
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frame_number = ist->frame_number;
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dec_frame_rate = ist->st->r_frame_rate;
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// fprintf(stderr, "\n%d", dec_frame_rate);
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/* first drop frame if needed */
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n1 = ((INT64)frame_number * enc->frame_rate) / dec_frame_rate;
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n2 = (((INT64)frame_number + 1) * enc->frame_rate) / dec_frame_rate;
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nb = n2 - n1;
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if (nb <= 0)
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/* by default, we output a single frame */
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nb_frames = 1;
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/* NOTE: the A/V sync is always done by considering the audio is
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the master clock. It is suffisant for transcoding or playing,
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but not for the general case */
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if (audio_sync) {
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/* compute the A-V delay and duplicate/remove frames if needed */
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double adelta, vdelta, apts, vpts, av_delay;
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if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
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ost->sync_ipts != AV_NOPTS_VALUE) {
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adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) *
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s->pts_num / s->pts_den;
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apts = audio_sync->sync_ipts + adelta;
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vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
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s->pts_num / s->pts_den;
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vpts = ost->sync_ipts + vdelta;
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av_delay = apts - vpts;
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// printf("delay=%f\n", av_delay);
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if (av_delay < -AV_DELAY_MAX)
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nb_frames = 2;
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else if (av_delay > AV_DELAY_MAX)
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nb_frames = 0;
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}
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}
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/* XXX: also handle frame rate conversion */
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if (nb_frames <= 0)
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return;
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if (!video_buffer)
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video_buffer= av_malloc(VIDEO_BUFFER_SIZE);
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if(!video_buffer) return;
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video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
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if (!video_buffer)
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return;
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/* deinterlace : must be done before any resize */
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if (do_deinterlace) {
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@ -535,10 +560,9 @@ static void do_video_out(AVFormatContext *s,
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} else {
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picture = pict;
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}
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nb=1;
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/* duplicates frame if needed */
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/* XXX: pb because no interleaving */
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for(i=0;i<nb;i++) {
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for(i=0;i<nb_frames;i++) {
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if (enc->codec_id != CODEC_ID_RAWVIDEO) {
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/* handles sameq here. This is not correct because it may
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not be a global option */
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@ -550,7 +574,7 @@ static void do_video_out(AVFormatContext *s,
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video_buffer, VIDEO_BUFFER_SIZE,
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picture);
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//enc->frame_number = enc->real_pict_num;
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s->oformat->write_packet(s, ost->index, video_buffer, ret, 0);
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av_write_frame(s, ost->index, video_buffer, ret);
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*frame_size = ret;
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//fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
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// enc->frame_number-1, enc->real_pict_num, ret,
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@ -564,21 +588,22 @@ static void do_video_out(AVFormatContext *s,
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/* raw pictures are written as AVPicture structure to
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avoid any copies. We support temorarily the older
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method. */
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s->oformat->write_packet(s, ost->index,
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(UINT8 *)picture, sizeof(AVPicture), 0);
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av_write_frame(s, ost->index,
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(UINT8 *)picture, sizeof(AVPicture));
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} else {
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write_picture(s, ost->index, picture, enc->pix_fmt, enc->width, enc->height);
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write_picture(s, ost->index, picture, enc->pix_fmt,
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enc->width, enc->height);
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}
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}
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ost->frame_number++;
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}
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the_end:
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the_end:
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av_free(buf);
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av_free(buf1);
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}
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static void do_video_stats(AVOutputStream *ost,
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AVInputStream *ist,
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int frame_size)
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static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
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int frame_size)
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{
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static FILE *fvstats=NULL;
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static INT64 total_size = 0;
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@ -607,17 +632,14 @@ static void do_video_stats(AVOutputStream *ost,
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enc = &ost->st->codec;
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total_size += frame_size;
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if (enc->codec_type == CODEC_TYPE_VIDEO) {
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frame_number = ist->frame_number;
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frame_number = ost->frame_number;
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fprintf(fvstats, "frame= %5d q= %2d ", frame_number, enc->quality);
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if (do_psnr)
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fprintf(fvstats, "PSNR= %6.2f ", enc->psnr_y);
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fprintf(fvstats,"f_size= %6d ", frame_size);
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/* compute min pts value */
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if (!ist->discard && ist->pts < ti) {
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ti = ist->pts;
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}
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ti1 = (double)ti / 1000000.0;
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/* compute pts value */
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ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
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if (ti1 < 0.01)
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ti1 = 0.01;
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@ -627,9 +649,75 @@ static void do_video_stats(AVOutputStream *ost,
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(double)total_size / 1024, ti1, bitrate, avg_bitrate);
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fprintf(fvstats,"type= %s\n", enc->key_frame == 1 ? "I" : "P");
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}
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}
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void print_report(AVFormatContext **output_files,
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AVOutputStream **ost_table, int nb_ostreams,
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int is_last_report)
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{
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char buf[1024];
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AVOutputStream *ost;
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AVFormatContext *oc, *os;
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INT64 total_size;
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AVCodecContext *enc;
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int frame_number, vid, i;
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double bitrate, ti1, pts;
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static INT64 last_time = -1;
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if (!is_last_report) {
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INT64 cur_time;
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/* display the report every 0.5 seconds */
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cur_time = av_gettime();
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if (last_time == -1) {
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last_time = cur_time;
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return;
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}
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if ((cur_time - last_time) < 500000)
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return;
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last_time = cur_time;
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}
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oc = output_files[0];
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total_size = url_ftell(&oc->pb);
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buf[0] = '\0';
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ti1 = 1e10;
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vid = 0;
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for(i=0;i<nb_ostreams;i++) {
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ost = ost_table[i];
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os = output_files[ost->file_index];
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enc = &ost->st->codec;
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if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
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frame_number = ost->frame_number;
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sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
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frame_number, enc->quality);
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if (do_psnr)
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sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
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vid = 1;
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}
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/* compute min output value */
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pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
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if (pts < ti1)
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ti1 = pts;
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}
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if (ti1 < 0.01)
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ti1 = 0.01;
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bitrate = (double)(total_size * 8) / ti1 / 1000.0;
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sprintf(buf + strlen(buf),
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"size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
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(double)total_size / 1024, ti1, bitrate);
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fprintf(stderr, "%s ", buf);
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if (is_last_report) {
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fprintf(stderr, "\n");
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} else {
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fprintf(stderr, "\r");
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fflush(stderr);
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}
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}
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/*
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@ -641,12 +729,11 @@ static int av_encode(AVFormatContext **output_files,
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int nb_input_files,
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AVStreamMap *stream_maps, int nb_stream_maps)
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{
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int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
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int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
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AVFormatContext *is, *os;
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AVCodecContext *codec, *icodec;
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AVOutputStream *ost, **ost_table = NULL;
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AVInputStream *ist, **ist_table = NULL;
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INT64 min_pts, start_time;
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AVInputFile *file_table;
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AVFormatContext *stream_no_data;
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int key;
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@ -942,14 +1029,13 @@ static int av_encode(AVFormatContext **output_files,
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}
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//if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
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// ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
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ist->frame_decoded = 1;
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}
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}
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/* init pts */
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for(i=0;i<nb_istreams;i++) {
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ist = ist_table[i];
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ist->pts = 0;
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ist->frame_number = 0;
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}
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/* compute buffer size max (should use a complete heuristic) */
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@ -976,8 +1062,6 @@ static int av_encode(AVFormatContext **output_files,
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#endif
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term_init();
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start_time = av_gettime();
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min_pts = 0;
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stream_no_data = 0;
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key = -1;
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@ -990,7 +1074,8 @@ static int av_encode(AVFormatContext **output_files,
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int data_size, got_picture;
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AVPicture picture;
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short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
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double pts_min;
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redo:
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/* if 'q' pressed, exits */
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if (key) {
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@ -1000,42 +1085,31 @@ static int av_encode(AVFormatContext **output_files,
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break;
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}
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/* select the input file with the smallest pts */
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/* select the stream that we must read now by looking at the
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smallest output pts */
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file_index = -1;
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min_pts = MAXINT64;
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for(i=0;i<nb_istreams;i++) {
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ist = ist_table[i];
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/* For some reason, the pts_increment code breaks q estimation?!? */
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if (!ist->discard && !file_table[ist->file_index].eof_reached &&
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ist->pts /* + ist->pts_increment */ < min_pts && input_files[ist->file_index] != stream_no_data) {
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min_pts = ist->pts /* + ist->pts_increment */;
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pts_min = 1e10;
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for(i=0;i<nb_ostreams;i++) {
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double pts;
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ost = ost_table[i];
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os = output_files[ost->file_index];
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ist = ist_table[ost->source_index];
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pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
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if (!file_table[ist->file_index].eof_reached &&
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pts < pts_min) {
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pts_min = pts;
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file_index = ist->file_index;
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}
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}
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/* if none, if is finished */
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if (file_index < 0) {
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if (stream_no_data) {
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#ifndef CONFIG_WIN32 /* no usleep in VisualC ? */
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#ifdef __BEOS__
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snooze(10 * 1000); /* mmu_man */ /* in microsec */
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#elif defined(__CYGWIN__)
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usleep(10 * 1000);
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#else
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struct timespec ts;
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break;
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}
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ts.tv_sec = 0;
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ts.tv_nsec = 1000 * 1000 * 10;
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nanosleep(&ts, 0);
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#endif
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#endif
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stream_no_data = 0;
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continue;
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}
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break;
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}
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/* finish if recording time exhausted */
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if (recording_time > 0 && min_pts >= recording_time)
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if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
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break;
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/* read a packet from it and output it in the fifo */
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is = input_files[file_index];
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if (av_read_packet(is, &pkt) < 0) {
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@ -1056,9 +1130,6 @@ static int av_encode(AVFormatContext **output_files,
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if (ist->discard)
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goto discard_packet;
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if (pkt.flags & PKT_FLAG_DROPPED_FRAME)
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ist->frame_number++;
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if (do_hex_dump) {
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printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
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av_hex_dump(pkt.data, pkt.size);
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@ -1068,12 +1139,28 @@ static int av_encode(AVFormatContext **output_files,
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len = pkt.size;
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ptr = pkt.data;
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pts_set = 0;
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while (len > 0) {
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INT64 ipts;
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ipts = AV_NOPTS_VALUE;
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/* decode the packet if needed */
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data_buf = NULL; /* fail safe */
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data_size = 0;
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if (ist->decoding_needed) {
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/* NOTE1: we only take into account the PTS if a new
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frame has begun (MPEG semantics) */
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/* NOTE2: even if the fraction is not initialized,
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av_frac_set can be used to set the integer part */
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if (ist->frame_decoded &&
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pkt.pts != AV_NOPTS_VALUE &&
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!pts_set) {
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ipts = pkt.pts;
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ist->frame_decoded = 0;
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pts_set = 1;
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}
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switch(ist->st->codec.codec_type) {
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case CODEC_TYPE_AUDIO:
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/* XXX: could avoid copy if PCM 16 bits with same
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@ -1130,64 +1217,71 @@ static int av_encode(AVFormatContext **output_files,
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data_size = len;
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ret = len;
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}
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/* init tickers */
|
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if (!ist->ticker_inited) {
|
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switch (ist->st->codec.codec_type) {
|
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case CODEC_TYPE_AUDIO:
|
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ticker_init(&ist->pts_ticker,
|
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(INT64)ist->st->codec.sample_rate,
|
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(INT64)(1000000));
|
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ist->ticker_inited = 1;
|
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break;
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case CODEC_TYPE_VIDEO:
|
||||
ticker_init(&ist->pts_ticker,
|
||||
(INT64)ist->st->r_frame_rate,
|
||||
((INT64)1000000 * FRAME_RATE_BASE));
|
||||
ist->ticker_inited = 1;
|
||||
break;
|
||||
default:
|
||||
av_abort();
|
||||
}
|
||||
}
|
||||
/* update pts */
|
||||
switch(ist->st->codec.codec_type) {
|
||||
case CODEC_TYPE_AUDIO:
|
||||
//ist->pts = (INT64)1000000 * ist->sample_index / ist->st->codec.sample_rate;
|
||||
ist->pts = ticker_abs(&ist->pts_ticker, ist->sample_index);
|
||||
ist->sample_index += data_size / (2 * ist->st->codec.channels);
|
||||
ist->pts_increment = (INT64) (data_size / (2 * ist->st->codec.channels)) * 1000000 / ist->st->codec.sample_rate;
|
||||
break;
|
||||
case CODEC_TYPE_VIDEO:
|
||||
ist->frame_number++;
|
||||
//ist->pts = ((INT64)ist->frame_number * 1000000 * FRAME_RATE_BASE) /
|
||||
// ist->st->codec.frame_rate;
|
||||
ist->pts = ticker_abs(&ist->pts_ticker, ist->frame_number);
|
||||
ist->pts_increment = ((INT64) 1000000 * FRAME_RATE_BASE) /
|
||||
ist->st->codec.frame_rate;
|
||||
break;
|
||||
default:
|
||||
av_abort();
|
||||
}
|
||||
ptr += ret;
|
||||
len -= ret;
|
||||
|
||||
ist->frame_decoded = 1;
|
||||
|
||||
#if 0
|
||||
/* mpeg PTS deordering : if it is a P or I frame, the PTS
|
||||
is the one of the next displayed one */
|
||||
/* XXX: add mpeg4 too ? */
|
||||
if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
|
||||
if (ist->st->codec.pict_type != B_TYPE) {
|
||||
INT64 tmp;
|
||||
tmp = ist->last_ip_pts;
|
||||
ist->last_ip_pts = ist->frac_pts.val;
|
||||
ist->frac_pts.val = tmp;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
/* transcode raw format, encode packets and output them */
|
||||
|
||||
|
||||
for(i=0;i<nb_ostreams;i++) {
|
||||
int frame_size;
|
||||
|
||||
ost = ost_table[i];
|
||||
if (ost->source_index == ist_index) {
|
||||
os = output_files[ost->file_index];
|
||||
|
||||
if (ipts != AV_NOPTS_VALUE) {
|
||||
#if 0
|
||||
printf("%d: got pts=%f %f\n",
|
||||
i, pkt.pts / 90000.0,
|
||||
(ipts - ost->st->pts.val) / 90000.0);
|
||||
#endif
|
||||
/* set the input output pts pairs */
|
||||
ost->sync_ipts = (double)ipts * is->pts_num /
|
||||
is->pts_den;
|
||||
/* XXX: take into account the various fifos,
|
||||
in particular for audio */
|
||||
ost->sync_opts = ost->st->pts.val;
|
||||
}
|
||||
|
||||
if (ost->encoding_needed) {
|
||||
switch(ost->st->codec.codec_type) {
|
||||
case CODEC_TYPE_AUDIO:
|
||||
do_audio_out(os, ost, ist, data_buf, data_size);
|
||||
break;
|
||||
case CODEC_TYPE_VIDEO:
|
||||
do_video_out(os, ost, ist, &picture, &frame_size);
|
||||
if (do_vstats)
|
||||
do_video_stats(ost, ist, frame_size);
|
||||
/* find an audio stream for synchro */
|
||||
{
|
||||
int i;
|
||||
AVOutputStream *audio_sync, *ost1;
|
||||
audio_sync = NULL;
|
||||
for(i=0;i<nb_ostreams;i++) {
|
||||
ost1 = ost_table[i];
|
||||
if (ost1->file_index == ost->file_index &&
|
||||
ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
|
||||
audio_sync = ost1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
|
||||
if (do_vstats)
|
||||
do_video_stats(os, ost, frame_size);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
av_abort();
|
||||
@ -1195,113 +1289,23 @@ static int av_encode(AVFormatContext **output_files,
|
||||
} else {
|
||||
/* no reencoding needed : output the packet directly */
|
||||
/* force the input stream PTS */
|
||||
os->oformat->write_packet(os, ost->index, data_buf, data_size, pkt.pts);
|
||||
av_write_frame(os, ost->index, data_buf, data_size);
|
||||
}
|
||||
}
|
||||
}
|
||||
ipts = AV_NOPTS_VALUE;
|
||||
}
|
||||
discard_packet:
|
||||
av_free_packet(&pkt);
|
||||
|
||||
/* dump report by using the first video and audio streams */
|
||||
{
|
||||
char buf[1024];
|
||||
AVFormatContext *oc;
|
||||
INT64 total_size, ti;
|
||||
AVCodecContext *enc;
|
||||
int frame_number, vid;
|
||||
double bitrate, ti1;
|
||||
static INT64 last_time;
|
||||
|
||||
if ((min_pts - last_time) >= 500000) {
|
||||
last_time = min_pts;
|
||||
|
||||
oc = output_files[0];
|
||||
|
||||
total_size = url_ftell(&oc->pb);
|
||||
|
||||
buf[0] = '\0';
|
||||
ti = MAXINT64;
|
||||
vid = 0;
|
||||
for(i=0;i<nb_ostreams;i++) {
|
||||
ost = ost_table[i];
|
||||
enc = &ost->st->codec;
|
||||
ist = ist_table[ost->source_index];
|
||||
if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
|
||||
frame_number = ist->frame_number;
|
||||
sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
|
||||
frame_number, enc->quality);
|
||||
if (do_psnr)
|
||||
sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
|
||||
vid = 1;
|
||||
}
|
||||
/* compute min pts value */
|
||||
if (!ist->discard && ist->pts < ti) {
|
||||
ti = ist->pts;
|
||||
}
|
||||
}
|
||||
|
||||
ti1 = (double)ti / 1000000.0;
|
||||
if (ti1 < 0.01)
|
||||
ti1 = 0.01;
|
||||
bitrate = (double)(total_size * 8) / ti1 / 1000.0;
|
||||
|
||||
sprintf(buf + strlen(buf),
|
||||
"size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
|
||||
(double)total_size / 1024, ti1, bitrate);
|
||||
|
||||
fprintf(stderr, "%s \r", buf);
|
||||
fflush(stderr);
|
||||
}
|
||||
}
|
||||
/* dump report by using the output first video and audio streams */
|
||||
print_report(output_files, ost_table, nb_ostreams, 0);
|
||||
}
|
||||
term_exit();
|
||||
|
||||
/* dump report by using the first video and audio streams */
|
||||
{
|
||||
char buf[1024];
|
||||
AVFormatContext *oc;
|
||||
INT64 total_size, ti;
|
||||
AVCodecContext *enc;
|
||||
int frame_number, vid;
|
||||
double bitrate, ti1;
|
||||
print_report(output_files, ost_table, nb_ostreams, 1);
|
||||
|
||||
oc = output_files[0];
|
||||
|
||||
total_size = url_ftell(&oc->pb);
|
||||
|
||||
buf[0] = '\0';
|
||||
ti = MAXINT64;
|
||||
vid = 0;
|
||||
for(i=0;i<nb_ostreams;i++) {
|
||||
ost = ost_table[i];
|
||||
enc = &ost->st->codec;
|
||||
ist = ist_table[ost->source_index];
|
||||
if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
|
||||
frame_number = ist->frame_number;
|
||||
sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
|
||||
frame_number, enc->quality);
|
||||
if (do_psnr)
|
||||
sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
|
||||
vid = 1;
|
||||
}
|
||||
/* compute min pts value */
|
||||
if (!ist->discard && ist->pts < ti) {
|
||||
ti = ist->pts;
|
||||
}
|
||||
}
|
||||
|
||||
ti1 = ti / 1000000.0;
|
||||
if (ti1 < 0.01)
|
||||
ti1 = 0.01;
|
||||
bitrate = (double)(total_size * 8) / ti1 / 1000.0;
|
||||
|
||||
sprintf(buf + strlen(buf),
|
||||
"size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
|
||||
(double)total_size / 1024, ti1, bitrate);
|
||||
|
||||
fprintf(stderr, "%s \n", buf);
|
||||
}
|
||||
/* close each encoder */
|
||||
for(i=0;i<nb_ostreams;i++) {
|
||||
ost = ost_table[i];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user