chasing indexing error

1 files changed, 0 insertions, 283 deletions

diff --git a/ffmpeg/libavcodec/srtdec.c b/ffmpeg/libavcodec/srtdec.c
deleted file mode 100644
index b16645a..0000000
--- a/ffmpeg/libavcodec/srtdec.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * SubRip subtitle decoder
- * Copyright (c) 2010  Aurelien Jacobs <aurel@gnuage.org>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "libavutil/avstring.h"
-#include "libavutil/common.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/parseutils.h"
-#include "avcodec.h"
-#include "ass.h"
-
-static int html_color_parse(AVCodecContext *avctx, const char *str)
-{
-    uint8_t rgba[4];
-    if (av_parse_color(rgba, str, strcspn(str, "\" >"), avctx) < 0)
-        return -1;
-    return rgba[0] | rgba[1] << 8 | rgba[2] << 16;
-}
-
-enum {
-    PARAM_UNKNOWN = -1,
-    PARAM_SIZE,
-    PARAM_COLOR,
-    PARAM_FACE,
-    PARAM_NUMBER
-};
-
-typedef struct {
-    char tag[128];
-    char param[PARAM_NUMBER][128];
-} SrtStack;
-
-static const char *srt_to_ass(AVCodecContext *avctx, char *out, char *out_end,
-                              const char *in, int x1, int y1, int x2, int y2)
-{
-    char *param, buffer[128], tmp[128];
-    int len, tag_close, sptr = 1, line_start = 1, an = 0, end = 0;
-    SrtStack stack[16];
-
-    stack[0].tag[0] = 0;
-    strcpy(stack[0].param[PARAM_SIZE],  "{\\fs}");
-    strcpy(stack[0].param[PARAM_COLOR], "{\\c}");
-    strcpy(stack[0].param[PARAM_FACE],  "{\\fn}");
-
-    if (x1 >= 0 && y1 >= 0) {
-        if (x2 >= 0 && y2 >= 0 && (x2 != x1 || y2 != y1))
-            snprintf(out, out_end-out,
-                            "{\\an1}{\\move(%d,%d,%d,%d)}", x1, y1, x2, y2);
-        else
-            snprintf(out, out_end-out, "{\\an1}{\\pos(%d,%d)}", x1, y1);
-        out += strlen(out);
-    }
-
-    for (; out < out_end && !end && *in; in++) {
-        switch (*in) {
-        case '\r':
-            break;
-        case '\n':
-            if (line_start) {
-                end = 1;
-                break;
-            }
-            while (out[-1] == ' ')
-                out--;
-            snprintf(out, out_end-out, "\\N");
-            if(out<out_end) out += strlen(out);
-            line_start = 1;
-            break;
-        case ' ':
-            if (!line_start)
-                *out++ = *in;
-            break;
-        case '{':    /* skip all {\xxx} substrings except for {\an%d}
-                        and all microdvd like styles such as {Y:xxx} */
-            len = 0;
-            an += sscanf(in, "{\\an%*1u}%n", &len) >= 0 && len > 0;
-            if ((an != 1 && (len = 0, sscanf(in, "{\\%*[^}]}%n", &len) >= 0 && len > 0)) ||
-                (len = 0, sscanf(in, "{%*1[CcFfoPSsYy]:%*[^}]}%n", &len) >= 0 && len > 0)) {
-                in += len - 1;
-            } else
-                *out++ = *in;
-            break;
-        case '<':
-            tag_close = in[1] == '/';
-            len = 0;
-            if (sscanf(in+tag_close+1, "%127[^>]>%n", buffer, &len) >= 1 && len > 0) {
-                if ((param = strchr(buffer, ' ')))
-                    *param++ = 0;
-                if ((!tag_close && sptr < FF_ARRAY_ELEMS(stack)) ||
-                    ( tag_close && sptr > 0 && !strcmp(stack[sptr-1].tag, buffer))) {
-                    int i, j, unknown = 0;
-                    in += len + tag_close;
-                    if (!tag_close)
-                        memset(stack+sptr, 0, sizeof(*stack));
-                    if (!strcmp(buffer, "font")) {
-                        if (tag_close) {
-                            for (i=PARAM_NUMBER-1; i>=0; i--)
-                                if (stack[sptr-1].param[i][0])
-                                    for (j=sptr-2; j>=0; j--)
-                                        if (stack[j].param[i][0]) {
-                                            snprintf(out, out_end-out,
-                                                            "%s", stack[j].param[i]);
-                                            if(out<out_end) out += strlen(out);
-                                            break;
-                                        }
-                        } else {
-                            while (param) {
-                                if (!strncmp(param, "size=", 5)) {
-                                    unsigned font_size;
-                                    param += 5 + (param[5] == '"');
-                                    if (sscanf(param, "%u", &font_size) == 1) {
-                                        snprintf(stack[sptr].param[PARAM_SIZE],
-                                             sizeof(stack[0].param[PARAM_SIZE]),
-                                             "{\\fs%u}", font_size);
-                                    }
-                                } else if (!strncmp(param, "color=", 6)) {
-                                    param += 6 + (param[6] == '"');
-                                    snprintf(stack[sptr].param[PARAM_COLOR],
-                                         sizeof(stack[0].param[PARAM_COLOR]),
-                                         "{\\c&H%X&}",
-                                         html_color_parse(avctx, param));
-                                } else if (!strncmp(param, "face=", 5)) {
-                                    param += 5 + (param[5] == '"');
-                                    len = strcspn(param,
-                                                  param[-1] == '"' ? "\"" :" ");
-                                    av_strlcpy(tmp, param,
-                                               FFMIN(sizeof(tmp), len+1));
-                                    param += len;
-                                    snprintf(stack[sptr].param[PARAM_FACE],
-                                             sizeof(stack[0].param[PARAM_FACE]),
-                                             "{\\fn%s}", tmp);
-                                }
-                                if ((param = strchr(param, ' ')))
-                                    param++;
-                            }
-                            for (i=0; i<PARAM_NUMBER; i++)
-                                if (stack[sptr].param[i][0]) {
-                                    snprintf(out, out_end-out,
-                                                    "%s", stack[sptr].param[i]);
-                                    if(out<out_end) out += strlen(out);
-                                }
-                        }
-                    } else if (!buffer[1] && strspn(buffer, "bisu") == 1) {
-                        snprintf(out, out_end-out,
-                                        "{\\%c%d}", buffer[0], !tag_close);
-                        if(out<out_end) out += strlen(out);
-                    } else {
-                        unknown = 1;
-                        snprintf(tmp, sizeof(tmp), "</%s>", buffer);
-                    }
-                    if (tag_close) {
-                        sptr--;
-                    } else if (unknown && !strstr(in, tmp)) {
-                        in -= len + tag_close;
-                        *out++ = *in;
-                    } else
-                        av_strlcpy(stack[sptr++].tag, buffer,
-                                   sizeof(stack[0].tag));
-                    break;
-                }
-            }
-        default:
-            *out++ = *in;
-            break;
-        }
-        if (*in != ' ' && *in != '\r' && *in != '\n')
-            line_start = 0;
-    }
-
-    out = FFMIN(out, out_end-3);
-    while (!strncmp(out-2, "\\N", 2))
-        out -= 2;
-    while (out[-1] == ' ')
-        out--;
-    snprintf(out, out_end-out, "\r\n");
-    return in;
-}
-
-static const char *read_ts(const char *buf, int *ts_start, int *ts_end,
-                           int *x1, int *y1, int *x2, int *y2)
-{
-    int i, hs, ms, ss, he, me, se;
-
-    for (i=0; i<2; i++) {
-        /* try to read timestamps in either the first or second line */
-        int c = sscanf(buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d"
-                       "%*[ ]X1:%u X2:%u Y1:%u Y2:%u",
-                       &hs, &ms, &ss, ts_start, &he, &me, &se, ts_end,
-                       x1, x2, y1, y2);
-        buf += strcspn(buf, "\n");
-        buf += !!*buf;
-        if (c >= 8) {
-            *ts_start = 100*(ss + 60*(ms + 60*hs)) + *ts_start/10;
-            *ts_end   = 100*(se + 60*(me + 60*he)) + *ts_end  /10;
-            return buf;
-        }
-    }
-    return NULL;
-}
-
-static int srt_decode_frame(AVCodecContext *avctx,
-                            void *data, int *got_sub_ptr, AVPacket *avpkt)
-{
-    AVSubtitle *sub = data;
-    int ts_start, ts_end, x1 = -1, y1 = -1, x2 = -1, y2 = -1;
-    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;
-
-    while (ptr < end && *ptr) {
-        if (avctx->codec->id == AV_CODEC_ID_SRT) {
-            ptr = read_ts(ptr, &ts_start, &ts_end, &x1, &y1, &x2, &y2);
-            if (!ptr)
-                break;
-        } else {
-            // Do final divide-by-10 outside rescale to force rounding down.
-            ts_start = av_rescale_q(avpkt->pts,
-                                    avctx->time_base,
-                                    (AVRational){1,100});
-            ts_end   = av_rescale_q(avpkt->pts + avpkt->duration,
-                                    avctx->time_base,
-                                    (AVRational){1,100});
-        }
-        ptr = srt_to_ass(avctx, buffer, buffer+sizeof(buffer), ptr,
-                         x1, y1, x2, y2);
-        ff_ass_add_rect(sub, buffer, ts_start, ts_end-ts_start, 0);
-    }
-
-    *got_sub_ptr = sub->num_rects > 0;
-    return avpkt->size;
-}
-
-#if CONFIG_SRT_DECODER
-/* deprecated decoder */
-AVCodec ff_srt_decoder = {
-    .name         = "srt",
-    .long_name    = NULL_IF_CONFIG_SMALL("SubRip subtitle with embedded timing"),
-    .type         = AVMEDIA_TYPE_SUBTITLE,
-    .id           = AV_CODEC_ID_SRT,
-    .init         = ff_ass_subtitle_header_default,
-    .decode       = srt_decode_frame,
-};
-#endif
-
-#if CONFIG_SUBRIP_DECODER
-AVCodec ff_subrip_decoder = {
-    .name         = "subrip",
-    .long_name    = NULL_IF_CONFIG_SMALL("SubRip subtitle"),
-    .type         = AVMEDIA_TYPE_SUBTITLE,
-    .id           = AV_CODEC_ID_SUBRIP,
-    .init         = ff_ass_subtitle_header_default,
-    .decode       = srt_decode_frame,
-};
-#endif