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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  avconv: Fix spelling errors.
  aac: Only set sample rate and object type from ADTS if output hasn't been configured.
  aac: Set SBR and PS to unsignalled during headerless and ADTS initialization.
  aac: Only output configure if audio was found.
  avconv: save two levels of indentation in flush_encoders()
  avconv: factor flushing encoders out of output_packet().
  avconv: factor out initializing input streams.
  avconv: remove -intra option.
  avconv: reset streamid_map between output files.
  avconv: make timer_start a local var in transcode().
  avconv: cosmetics, move OutputStream.
  avconv: remove two unused macros.

Conflicts:
	avconv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-08-19 00:53:42 +02:00
commit ba57ef2972
5 changed files with 169 additions and 172 deletions
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1
Changelog
View File

@ -41,6 +41,7 @@ easier to use. The changes are:
* Presets in avconv are disabled, because only libx264 used them and
presets for libx264 can now be specified using a private option
'-preset <presetname>'.
* -intra option was removed, it's equivalent to -g 0.
- XMV demuxer

321
avconv.c
View File

@ -157,7 +157,6 @@ static int qp_hist = 0;
static char *vfilters = NULL;
#endif
static int intra_only = 0;
static int audio_sample_rate = 0;
#define QSCALE_NONE -99999
static float audio_qscale = QSCALE_NONE;
@ -220,8 +219,6 @@ static char *forced_key_frames = NULL;
static float dts_delta_threshold = 10;
static int64_t timer_start;
static uint8_t *audio_buf;
static uint8_t *audio_out;
static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
@ -234,7 +231,31 @@ static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
struct InputStream;
typedef struct InputStream {
int file_index;
AVStream *st;
int discard; /* true if stream data should be discarded */
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
AVCodec *dec;
int64_t start; /* time when read started */
int64_t next_pts; /* synthetic pts for cases where pkt.pts
is not defined */
int64_t pts; /* current pts */
double ts_scale;
int is_start; /* is 1 at the start and after a discontinuity */
int showed_multi_packet_warning;
AVDictionary *opts;
} InputStream;
typedef struct InputFile {
AVFormatContext *ctx;
int eof_reached; /* true if eof reached */
int ist_index; /* index of first stream in ist_table */
int buffer_size; /* current total buffer size */
int nb_streams;
int64_t ts_offset;
} InputFile;
typedef struct OutputStream {
int file_index; /* file index */
@ -291,32 +312,6 @@ typedef struct OutputStream {
int is_past_recording_time;
} OutputStream;
typedef struct InputStream {
int file_index;
AVStream *st;
int discard; /* true if stream data should be discarded */
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
AVCodec *dec;
int64_t start; /* time when read started */
int64_t next_pts; /* synthetic pts for cases where pkt.pts
is not defined */
int64_t pts; /* current pts */
double ts_scale;
int is_start; /* is 1 at the start and after a discontinuity */
int showed_multi_packet_warning;
AVDictionary *opts;
} InputStream;
typedef struct InputFile {
AVFormatContext *ctx;
int eof_reached; /* true if eof reached */
int ist_index; /* index of first stream in ist_table */
int buffer_size; /* current total buffer size */
int nb_streams;
int64_t ts_offset;
} InputFile;
#if HAVE_TERMIOS_H
/* init terminal so that we can grab keys */
@ -419,7 +414,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
codec->width = ost->output_video_filter->inputs[0]->w;
codec->height = ost->output_video_filter->inputs[0]->h;
codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
ost->frame_aspect_ratio ? // overriden by the -aspect cli option
ost->frame_aspect_ratio ? // overridden by the -aspect cli option
av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
ost->output_video_filter->inputs[0]->sample_aspect_ratio;
@ -539,7 +534,6 @@ static int exit_program(int ret)
fclose(vstats_file);
av_free(vstats_filename);
av_free(streamid_map);
av_free(meta_data_maps);
av_freep(&input_streams);
@ -723,8 +717,6 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx
}
}
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
static void do_audio_out(AVFormatContext *s,
OutputStream *ost,
InputStream *ist,
@ -1008,9 +1000,6 @@ static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void *
*bufp = buf;
}
/* we begin to correct av delay at this threshold */
#define AV_DELAY_MAX 0.100
static void do_subtitle_out(AVFormatContext *s,
OutputStream *ost,
InputStream *ist,
@ -1135,7 +1124,7 @@ static void do_video_resample(OutputStream *ost,
if (resample_changed) {
avfilter_graph_free(&ost->graph);
if (configure_video_filters(ist, ost)) {
fprintf(stderr, "Error reinitialising filters!\n");
fprintf(stderr, "Error reinitializing filters!\n");
exit_program(1);
}
}
@ -1212,7 +1201,7 @@ static void do_video_out(AVFormatContext *s,
if (s->oformat->flags & AVFMT_RAWPICTURE) {
/* raw pictures are written as AVPicture structure to
avoid any copies. We support temorarily the older
avoid any copies. We support temporarily the older
method. */
AVFrame* old_frame = enc->coded_frame;
enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
@ -1329,7 +1318,7 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost,
static void print_report(OutputFile *output_files,
OutputStream *ost_table, int nb_ostreams,
int is_last_report)
int is_last_report, int64_t timer_start)
{
char buf[1024];
OutputStream *ost;
@ -1466,6 +1455,91 @@ static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_
memset(buf, fill_char, size);
}
static void flush_encoders(int ist_index, OutputStream *ost_table, int nb_ostreams)
{
int i, ret;
for (i = 0; i < nb_ostreams; i++) {
OutputStream *ost = &ost_table[i];
AVCodecContext *enc = ost->st->codec;
AVFormatContext *os = output_files[ost->file_index].ctx;
if (ost->source_index != ist_index || !ost->encoding_needed)
continue;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
continue;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
continue;
for(;;) {
AVPacket pkt;
int fifo_bytes;
av_init_packet(&pkt);
pkt.stream_index= ost->index;
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
fifo_bytes = av_fifo_size(ost->fifo);
ret = 0;
/* encode any samples remaining in fifo */
if (fifo_bytes > 0) {
int osize = av_get_bytes_per_sample(enc->sample_fmt);
int fs_tmp = enc->frame_size;
av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
enc->frame_size = fifo_bytes / (osize * enc->channels);
} else { /* pad */
int frame_bytes = enc->frame_size*osize*enc->channels;
if (allocated_audio_buf_size < frame_bytes)
exit_program(1);
generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
}
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
ost->st->time_base.num, enc->sample_rate);
enc->frame_size = fs_tmp;
}
if (ret <= 0) {
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
}
if (ret < 0) {
fprintf(stderr, "Audio encoding failed\n");
exit_program(1);
}
audio_size += ret;
pkt.flags |= AV_PKT_FLAG_KEY;
break;
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
if (ret < 0) {
fprintf(stderr, "Video encoding failed\n");
exit_program(1);
}
video_size += ret;
if(enc->coded_frame && enc->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
break;
default:
ret=-1;
}
if (ret <= 0)
break;
pkt.data = bit_buffer;
pkt.size = ret;
if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
}
}
}
/* pkt = NULL means EOF (needed to flush decoder buffers) */
static int output_packet(InputStream *ist, int ist_index,
OutputStream *ost_table, int nb_ostreams,
@ -1793,87 +1867,7 @@ static int output_packet(InputStream *ist, int ist_index,
discard_packet:
if (pkt == NULL) {
/* EOF handling */
for(i=0;i<nb_ostreams;i++) {
ost = &ost_table[i];
if (ost->source_index == ist_index) {
AVCodecContext *enc= ost->st->codec;
os = output_files[ost->file_index].ctx;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
continue;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
continue;
if (ost->encoding_needed) {
for(;;) {
AVPacket pkt;
int fifo_bytes;
av_init_packet(&pkt);
pkt.stream_index= ost->index;
switch(ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
fifo_bytes = av_fifo_size(ost->fifo);
ret = 0;
/* encode any samples remaining in fifo */
if (fifo_bytes > 0) {
int osize = av_get_bytes_per_sample(enc->sample_fmt);
int fs_tmp = enc->frame_size;
av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
enc->frame_size = fifo_bytes / (osize * enc->channels);
} else { /* pad */
int frame_bytes = enc->frame_size*osize*enc->channels;
if (allocated_audio_buf_size < frame_bytes)
exit_program(1);
generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
}
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
ost->st->time_base.num, enc->sample_rate);
enc->frame_size = fs_tmp;
}
if(ret <= 0) {
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
}
if (ret < 0) {
fprintf(stderr, "Audio encoding failed\n");
exit_program(1);
}
audio_size += ret;
pkt.flags |= AV_PKT_FLAG_KEY;
break;
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
if (ret < 0) {
fprintf(stderr, "Video encoding failed\n");
exit_program(1);
}
video_size += ret;
if(enc->coded_frame && enc->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
break;
default:
ret=-1;
}
if(ret<=0)
break;
pkt.data= bit_buffer;
pkt.size= ret;
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
}
}
}
}
flush_encoders(ist_index, ost_table, nb_ostreams);
}
return 0;
@ -1896,6 +1890,37 @@ static void print_sdp(OutputFile *output_files, int n)
av_freep(&avc);
}
static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
char *error, int error_len)
{
int i;
InputStream *ist = &input_streams[ist_index];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec)
codec = avcodec_find_decoder(ist->st->codec->codec_id);
if (!codec) {
snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
ist->st->codec->codec_id, ist->file_index, ist->st->index);
return AVERROR(EINVAL);
}
if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
ist->file_index, ist->st->index);
return AVERROR(EINVAL);
}
assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ist->opts);
}
ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
ist->next_pts = AV_NOPTS_VALUE;
ist->is_start = 1;
return 0;
}
/*
* The following code is the main loop of the file converter
*/
@ -1904,7 +1929,7 @@ static int transcode(OutputFile *output_files,
InputFile *input_files,
int nb_input_files)
{
int ret = 0, i, j, step;
int ret = 0, i, step;
AVFormatContext *is, *os;
AVCodecContext *codec, *icodec;
OutputStream *ost;
@ -1914,8 +1939,7 @@ static int transcode(OutputFile *output_files,
int want_sdp = 1;
uint8_t *no_packet;
int no_packet_count=0;
int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
int nb_streams[AVMEDIA_TYPE_NB]={0};
int64_t timer_start;
if (!(no_packet = av_mallocz(nb_input_files)))
exit_program(1);
@ -2195,40 +2219,10 @@ static int transcode(OutputFile *output_files,
}
}
/* open each decoder */
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec)
codec = avcodec_find_decoder(ist->st->codec->codec_id);
if (!codec) {
snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
ist->st->codec->codec_id, ist->file_index, ist->st->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
ist->file_index, ist->st->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ost->opts);
}
}
/* init pts */
for (i = 0; i < nb_input_streams; i++) {
AVStream *st;
ist = &input_streams[i];
st= ist->st;
ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
ist->next_pts = AV_NOPTS_VALUE;
ist->is_start = 1;
}
/* init input streams */
for (i = 0; i < nb_input_streams; i++)
if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
goto dump_format;
/* open files and write file headers */
for (i = 0; i < nb_output_files; i++) {
@ -2469,7 +2463,7 @@ static int transcode(OutputFile *output_files,
av_free_packet(&pkt);
/* dump report by using the output first video and audio streams */
print_report(output_files, output_streams, nb_output_streams, 0);
print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
}
/* at the end of stream, we must flush the decoder buffers */
@ -2489,7 +2483,7 @@ static int transcode(OutputFile *output_files,
}
/* dump report by using the first video and audio streams */
print_report(output_files, output_streams, nb_output_streams, 1);
print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
/* close each encoder */
for (i = 0; i < nb_output_streams; i++) {
@ -3292,8 +3286,6 @@ static OutputStream *new_video_stream(AVFormatContext *oc)
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
if (intra_only)
video_enc->gop_size = 0;
if (video_qscale || same_quant) {
video_enc->flags |= CODEC_FLAG_QSCALE;
video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
@ -3804,6 +3796,8 @@ static int opt_output_file(const char *opt, const char *filename)
metadata_chapters_autocopy = 1;
av_freep(&stream_maps);
nb_stream_maps = 0;
av_freep(&streamid_map);
nb_streamid_map = 0;
av_dict_free(&codec_names);
@ -4218,13 +4212,12 @@ static const OptionDef options[] = {
{ "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
{ "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
{ "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
{ "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
{ "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
{ "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
{ "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
{ "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
{ "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
{ "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
"use same quantizer as source (implies VBR)" },
{ "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },

2
doc/avconv.texi
View File

@ -354,8 +354,6 @@ pixel formats.
Set SwScaler flags.
@item -g @var{gop_size}
Set the group of pictures size.
@item -intra
Use only intra frames.
@item -vdt @var{n}
Discard threshold.
@item -qscale @var{q}

15
libavcodec/aacdec.c
View File

@ -581,6 +581,8 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
sr = sample_rate_idx(avctx->sample_rate);
ac->m4ac.sampling_index = sr;
ac->m4ac.channels = avctx->channels;
ac->m4ac.sbr = -1;
ac->m4ac.ps = -1;
for (i = 0; i < FF_ARRAY_ELEMS(ff_mpeg4audio_channels); i++)
if (ff_mpeg4audio_channels[i] == avctx->channels)
@ -2092,10 +2094,10 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
if (ac->output_configured != OC_LOCKED) {
ac->m4ac.sbr = -1;
ac->m4ac.ps = -1;
ac->m4ac.sample_rate = hdr_info.sample_rate;
ac->m4ac.sampling_index = hdr_info.sampling_index;
ac->m4ac.object_type = hdr_info.object_type;
}
ac->m4ac.sample_rate = hdr_info.sample_rate;
ac->m4ac.sampling_index = hdr_info.sampling_index;
ac->m4ac.object_type = hdr_info.object_type;
if (!ac->avctx->sample_rate)
ac->avctx->sample_rate = hdr_info.sample_rate;
if (hdr_info.num_aac_frames == 1) {
@ -2116,7 +2118,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
ChannelElement *che = NULL, *che_prev = NULL;
enum RawDataBlockType elem_type, elem_type_prev = TYPE_END;
int err, elem_id, data_size_tmp;
int samples = 0, multiplier;
int samples = 0, multiplier, audio_found = 0;
if (show_bits(gb, 12) == 0xfff) {
if (parse_adts_frame_header(ac, gb) < 0) {
@ -2147,10 +2149,12 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
case TYPE_SCE:
err = decode_ics(ac, &che->ch[0], gb, 0, 0);
audio_found = 1;
break;
case TYPE_CPE:
err = decode_cpe(ac, gb, che);
audio_found = 1;
break;
case TYPE_CCE:
@ -2159,6 +2163,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
case TYPE_LFE:
err = decode_ics(ac, &che->ch[0], gb, 0, 0);
audio_found = 1;
break;
case TYPE_DSE:
@ -2235,7 +2240,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
samples, avctx->channels);
}
if (ac->output_configured)
if (ac->output_configured && audio_found)
ac->output_configured = OC_LOCKED;
return 0;

2
tests/lavf-regression.sh
View File

@ -67,7 +67,7 @@ do_lavf mxf "-ar 48000 -bf 2 -timecode 02:56:14:13"
fi
if [ -n "$do_mxf_d10" ]; then
do_lavf mxf_d10 "-ar 48000 -ac 2 -r 25 -s 720x576 -vf pad=720:608:0:32 -vcodec mpeg2video -intra -flags +ildct+low_delay -dc 10 -flags2 +ivlc+non_linear_q -qscale 1 -ps 1 -qmin 1 -rc_max_vbv_use 1 -rc_min_vbv_use 1 -pix_fmt yuv422p -minrate 30000k -maxrate 30000k -b 30000k -bufsize 1200000 -top 1 -rc_init_occupancy 1200000 -qmax 12 -f mxf_d10"
do_lavf mxf_d10 "-ar 48000 -ac 2 -r 25 -s 720x576 -vf pad=720:608:0:32 -vcodec mpeg2video -g 0 -flags +ildct+low_delay -dc 10 -flags2 +ivlc+non_linear_q -qscale 1 -ps 1 -qmin 1 -rc_max_vbv_use 1 -rc_min_vbv_use 1 -pix_fmt yuv422p -minrate 30000k -maxrate 30000k -b 30000k -bufsize 1200000 -top 1 -rc_init_occupancy 1200000 -qmax 12 -f mxf_d10"
fi
if [ -n "$do_ts" ] ; then