diff options
| -rw-r--r-- | libavcodec/srtdec.c | 11 | ||||
| -rw-r--r-- | libavformat/srtdec.c | 44 |
2 files changed, 45 insertions, 10 deletions
diff --git a/libavcodec/srtdec.c b/libavcodec/srtdec.c index 5824091a4d..ddeabd298d 100644 --- a/libavcodec/srtdec.c +++ b/libavcodec/srtdec.c @@ -21,6 +21,7 @@ #include "libavutil/avstring.h" #include "libavutil/common.h" +#include "libavutil/intreadwrite.h" #include "libavutil/parseutils.h" #include "avcodec.h" #include "ass.h" @@ -219,6 +220,15 @@ static int srt_decode_frame(AVCodecContext *avctx, char buffer[2048]; const char *ptr = avpkt->data; const char *end = avpkt->data + avpkt->size; + int size; + const uint8_t *p = av_packet_get_side_data(avpkt, AV_PKT_DATA_SUBTITLE_POSITION, &size); + + if (p && size == 16) { + x1 = AV_RL32(p ); + y1 = AV_RL32(p + 4); + x2 = AV_RL32(p + 8); + y2 = AV_RL32(p + 12); + } if (avpkt->size <= 0) return avpkt->size; @@ -247,6 +257,7 @@ static int srt_decode_frame(AVCodecContext *avctx, } #if CONFIG_SRT_DECODER +/* deprecated decoder */ AVCodec ff_srt_decoder = { .name = "srt", .long_name = NULL_IF_CONFIG_SMALL("SubRip subtitle with embedded timing"), diff --git a/libavformat/srtdec.c b/libavformat/srtdec.c index 056165e311..4f5f0953f8 100644 --- a/libavformat/srtdec.c +++ b/libavformat/srtdec.c @@ -47,26 +47,30 @@ static int srt_read_header(AVFormatContext *s) return AVERROR(ENOMEM); avpriv_set_pts_info(st, 64, 1, 1000); st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE; - st->codec->codec_id = AV_CODEC_ID_SRT; + st->codec->codec_id = AV_CODEC_ID_SUBRIP; return 0; } -static int64_t get_pts(const char *buf, int *duration) +static int64_t get_pts(char **buf, int *duration, + int32_t *x1, int32_t *y1, int32_t *x2, int32_t *y2) { int i; for (i=0; i<2; i++) { int hh1, mm1, ss1, ms1; int hh2, mm2, ss2, ms2; - if (sscanf(buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d", + if (sscanf(*buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d" + "%*[ ]X1:%u X2:%u Y1:%u Y2:%u", &hh1, &mm1, &ss1, &ms1, - &hh2, &mm2, &ss2, &ms2) == 8) { + &hh2, &mm2, &ss2, &ms2, + x1, x2, y1, y2) >= 8) { int64_t start = (hh1*3600LL + mm1*60LL + ss1) * 1000LL + ms1; int64_t end = (hh2*3600LL + mm2*60LL + ss2) * 1000LL + ms2; *duration = end - start; + *buf += strcspn(*buf, "\n") + 1; return start; } - buf += strcspn(buf, "\n") + 1; + *buf += strcspn(*buf, "\n") + 1; } return AV_NOPTS_VALUE; } @@ -87,11 +91,31 @@ static int srt_read_packet(AVFormatContext *s, AVPacket *pkt) ptr += ff_get_line(s->pb, ptr, sizeof(buffer)+buffer-ptr); } while (!is_eol(*ptr2) && !url_feof(s->pb) && ptr-buffer<sizeof(buffer)-1); - if (buffer[0] && !(res = av_new_packet(pkt, ptr-buffer))) { - memcpy(pkt->data, buffer, pkt->size); - pkt->flags |= AV_PKT_FLAG_KEY; - pkt->pos = pos; - pkt->pts = pkt->dts = get_pts(pkt->data, &(pkt->duration)); + if (buffer[0]) { + int64_t pts; + int duration; + const char *end = ptr; + int32_t x1 = -1, y1 = -1, x2 = -1, y2 = -1; + + ptr = buffer; + pts = get_pts(&ptr, &duration, &x1, &y1, &x2, &y2); + if (pts != AV_NOPTS_VALUE && + !(res = av_new_packet(pkt, end - ptr))) { + memcpy(pkt->data, ptr, pkt->size); + pkt->flags |= AV_PKT_FLAG_KEY; + pkt->pos = pos; + pkt->pts = pkt->dts = pts; + pkt->duration = duration; + if (x1 != -1) { + uint8_t *p = av_packet_new_side_data(pkt, AV_PKT_DATA_SUBTITLE_POSITION, 16); + if (p) { + AV_WL32(p, x1); + AV_WL32(p + 4, y1); + AV_WL32(p + 8, x2); + AV_WL32(p + 12, y2); + } + } + } } return res; } |