diff options
author | Clément Bœsch <ubitux@gmail.com> | 2012-06-15 20:57:39 +0400 |
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committer | Clément Bœsch <ubitux@gmail.com> | 2012-06-29 21:13:25 +0400 |
commit | 60715511db338d860eb483586b055138fd5cdf0a (patch) | |
tree | 48b10b6d8f1fe2521dca0401d91700e837d3283f /libavformat/jacosubdec.c | |
parent | 7c9f9685ae2d45d5bbb939483a01266622e8f14c (diff) |
lavf/jacosubdec: use subtitles queue API.
Diffstat (limited to 'libavformat/jacosubdec.c')
-rw-r--r-- | libavformat/jacosubdec.c | 98 |
1 files changed, 24 insertions, 74 deletions
diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c index 67f4c37b92..4c82650692 100644 --- a/libavformat/jacosubdec.c +++ b/libavformat/jacosubdec.c @@ -27,24 +27,16 @@ #include "avformat.h" #include "internal.h" +#include "subtitles.h" #include "libavcodec/jacosub.h" #include "libavutil/avstring.h" #include "libavutil/bprint.h" #include "libavutil/intreadwrite.h" typedef struct { - char *line; ///< null-terminated heap allocated subtitle line - int64_t pos; ///< offset position - int start; ///< timestamp start - int end; ///< timestamp end -} SubEntry; - -typedef struct { int shift; unsigned timeres; - SubEntry *subs; ///< subtitles list - int nsub; ///< number of subtitles - int sid; ///< current subtitle + FFDemuxSubtitlesQueue q; } JACOsubContext; static int timed_line(const char *ptr) @@ -101,41 +93,39 @@ static int get_jss_cmd(char k) static int jacosub_read_close(AVFormatContext *s) { - int i; JACOsubContext *jacosub = s->priv_data; - - for (i = 0; i < jacosub->nsub; i++) - av_freep(&jacosub->subs[i].line); - jacosub->nsub = 0; - av_freep(&jacosub->subs); + ff_subtitles_queue_clean(&jacosub->q); return 0; } static const char *read_ts(JACOsubContext *jacosub, const char *buf, - int *ts_start, int *ts_end) + int64_t *start, int *duration) { int len; unsigned hs, ms, ss, fs; // hours, minutes, seconds, frame start unsigned he, me, se, fe; // hours, minutes, seconds, frame end + int ts_start, ts_end; /* timed format */ if (sscanf(buf, "%u:%u:%u.%u %u:%u:%u.%u %n", &hs, &ms, &ss, &fs, &he, &me, &se, &fe, &len) == 8) { - *ts_start = (hs*3600 + ms*60 + ss) * jacosub->timeres + fs; - *ts_end = (he*3600 + me*60 + se) * jacosub->timeres + fe; + ts_start = (hs*3600 + ms*60 + ss) * jacosub->timeres + fs; + ts_end = (he*3600 + me*60 + se) * jacosub->timeres + fe; goto shift_and_ret; } /* timestamps format */ - if (sscanf(buf, "@%u @%u %n", ts_start, ts_end, &len) == 2) + if (sscanf(buf, "@%u @%u %n", &ts_start, &ts_end, &len) == 2) goto shift_and_ret; return NULL; shift_and_ret: - *ts_start = (*ts_start + jacosub->shift) * 100 / jacosub->timeres; - *ts_end = (*ts_end + jacosub->shift) * 100 / jacosub->timeres; + ts_start = (ts_start + jacosub->shift) * 100 / jacosub->timeres; + ts_end = (ts_end + jacosub->shift) * 100 / jacosub->timeres; + *start = ts_start; + *duration = ts_start + ts_end; return buf + len; } @@ -161,11 +151,6 @@ static int get_shift(int timeres, const char *buf) return 0; } -static int cmp_timed_sub(const void *a, const void *b) -{ - return ((const SubEntry*)a)->start - ((const SubEntry*)b)->start; -} - static int jacosub_read_header(AVFormatContext *s) { AVBPrint header; @@ -191,41 +176,19 @@ static int jacosub_read_header(AVFormatContext *s) int cmd_len; const char *p = line; int64_t pos = avio_tell(pb); - - ff_get_line(pb, line, sizeof(line)); + int len = ff_get_line(pb, line, sizeof(line)); p = jss_skip_whitespace(p); /* queue timed line */ if (merge_line || timed_line(p)) { - SubEntry *subs, *sub; - const int len = strlen(line); - - if (merge_line) { - char *tmp; - const int old_len = strlen(sub->line); - - sub = &subs[jacosub->nsub]; - tmp = av_realloc(sub->line, old_len + len + 1); - if (!tmp) - return AVERROR(ENOMEM); - sub->line = tmp; - strcpy(sub->line + old_len, line); - } else { - subs = av_realloc(jacosub->subs, - sizeof(*jacosub->subs) * (jacosub->nsub+1)); - if (!subs) - return AVERROR(ENOMEM); - jacosub->subs = subs; - sub = &subs[jacosub->nsub]; - sub->pos = pos; - sub->line = av_strdup(line); - if (!sub->line) - return AVERROR(ENOMEM); - } + AVPacket *sub; + + sub = ff_subtitles_queue_insert(&jacosub->q, line, len, merge_line); + if (!sub) + return AVERROR(ENOMEM); + sub->pos = pos; merge_line = len > 1 && !strcmp(&line[len - 2], "\\\n"); - if (!merge_line) - jacosub->nsub++; continue; } @@ -267,32 +230,19 @@ static int jacosub_read_header(AVFormatContext *s) /* SHIFT and TIMERES affect the whole script so packet timing can only be * done in a second pass */ - for (i = 0; i < jacosub->nsub; i++) { - SubEntry *sub = &jacosub->subs[i]; - read_ts(jacosub, sub->line, &sub->start, &sub->end); + for (i = 0; i < jacosub->q.nb_subs; i++) { + AVPacket *sub = &jacosub->q.subs[i]; + read_ts(jacosub, sub->data, &sub->pts, &sub->duration); } - qsort(jacosub->subs, jacosub->nsub, sizeof(*jacosub->subs), cmp_timed_sub); + ff_subtitles_queue_finalize(&jacosub->q); return 0; } static int jacosub_read_packet(AVFormatContext *s, AVPacket *pkt) { - int res; JACOsubContext *jacosub = s->priv_data; - const SubEntry *sub = &jacosub->subs[jacosub->sid++]; - - if (jacosub->sid == jacosub->nsub) - return AVERROR_EOF; - res = av_new_packet(pkt, strlen(sub->line)); - if (res) - return res; - strcpy(pkt->data, sub->line); - pkt->flags |= AV_PKT_FLAG_KEY; - pkt->pos = sub->pos; - pkt->pts = pkt->dts = sub->start; - pkt->duration = sub->end - sub->start; - return 0; + return ff_subtitles_queue_read_packet(&jacosub->q, pkt); } AVInputFormat ff_jacosub_demuxer = { |