diff options
Diffstat (limited to 'ffmpeg/libavcodec/assenc.c')
| -rw-r--r-- | ffmpeg/libavcodec/assenc.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/ffmpeg/libavcodec/assenc.c b/ffmpeg/libavcodec/assenc.c deleted file mode 100644 index 5dc3b09..0000000 --- a/ffmpeg/libavcodec/assenc.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * SSA/ASS encoder - * 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 <string.h> - -#include "avcodec.h" -#include "ass_split.h" -#include "ass.h" -#include "libavutil/avstring.h" -#include "libavutil/internal.h" -#include "libavutil/mem.h" - -typedef struct { - int id; ///< current event id, ReadOrder field -} ASSEncodeContext; - -static av_cold int ass_encode_init(AVCodecContext *avctx) -{ - avctx->extradata = av_malloc(avctx->subtitle_header_size + 1); - if (!avctx->extradata) - return AVERROR(ENOMEM); - memcpy(avctx->extradata, avctx->subtitle_header, avctx->subtitle_header_size); - avctx->extradata_size = avctx->subtitle_header_size; - avctx->extradata[avctx->extradata_size] = 0; - return 0; -} - -static int ass_encode_frame(AVCodecContext *avctx, - unsigned char *buf, int bufsize, - const AVSubtitle *sub) -{ - ASSEncodeContext *s = avctx->priv_data; - int i, len, total_len = 0; - - for (i=0; i<sub->num_rects; i++) { - char ass_line[2048]; - const char *ass = sub->rects[i]->ass; - - if (sub->rects[i]->type != SUBTITLE_ASS) { - av_log(avctx, AV_LOG_ERROR, "Only SUBTITLE_ASS type supported.\n"); - return -1; - } - - if (strncmp(ass, "Dialogue: ", 10)) { - av_log(avctx, AV_LOG_ERROR, "AVSubtitle rectangle ass \"%s\"" - " does not look like a SSA markup\n", ass); - return AVERROR_INVALIDDATA; - } - - if (avctx->codec->id == AV_CODEC_ID_ASS) { - long int layer; - char *p; - - if (i > 0) { - av_log(avctx, AV_LOG_ERROR, "ASS encoder supports only one " - "ASS rectangle field.\n"); - return AVERROR_INVALIDDATA; - } - - ass += 10; // skip "Dialogue: " - /* parse Layer field. If it's a Marked field, the content - * will be "Marked=N" instead of the layer num, so we will - * have layer=0, which is fine. */ - layer = strtol(ass, &p, 10); - -#define SKIP_ENTRY(ptr) do { \ - char *sep = strchr(ptr, ','); \ - if (sep) \ - ptr = sep + 1; \ -} while (0) - - SKIP_ENTRY(p); // skip layer or marked - SKIP_ENTRY(p); // skip start timestamp - SKIP_ENTRY(p); // skip end timestamp - snprintf(ass_line, sizeof(ass_line), "%d,%ld,%s", ++s->id, layer, p); - ass_line[strcspn(ass_line, "\r\n")] = 0; - ass = ass_line; - } - len = av_strlcpy(buf+total_len, ass, bufsize-total_len); - - if (len > bufsize-total_len-1) { - av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n"); - return -1; - } - - total_len += len; - } - - return total_len; -} - -#if CONFIG_SSA_ENCODER -AVCodec ff_ssa_encoder = { - .name = "ssa", - .long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"), - .type = AVMEDIA_TYPE_SUBTITLE, - .id = AV_CODEC_ID_SSA, - .init = ass_encode_init, - .encode_sub = ass_encode_frame, - .priv_data_size = sizeof(ASSEncodeContext), -}; -#endif - -#if CONFIG_ASS_ENCODER -AVCodec ff_ass_encoder = { - .name = "ass", - .long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"), - .type = AVMEDIA_TYPE_SUBTITLE, - .id = AV_CODEC_ID_ASS, - .init = ass_encode_init, - .encode_sub = ass_encode_frame, - .priv_data_size = sizeof(ASSEncodeContext), -}; -#endif |