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https://github.com/FFmpeg/FFmpeg.git
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Sahitya Chandra
c0e8b139fd
Print the serialized sample descriptions for ASS headers without styles and with an explicit Serif style, and compare them with a FATE reference. Signed-off-by: Sahitya Chandra <sahityajb@gmail.com> Assisted-by: Fairy
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include "libavcodec/avcodec.h"
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#include "libavutil/mem.h"
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/**
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* Print the sample description for comparison with the FATE reference.
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*/
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static int dump_sample_description(const AVCodec *codec, const char *header)
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{
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AVCodecContext *ctx = avcodec_alloc_context3(codec);
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int ret = 1;
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if (!ctx)
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return 1;
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ctx->subtitle_header = (uint8_t *)av_strdup(header);
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if (!ctx->subtitle_header)
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goto end;
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ctx->subtitle_header_size = strlen(header);
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ctx->time_base = (AVRational){ 1, 1000 };
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if (avcodec_open2(ctx, codec, NULL) < 0)
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goto end;
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printf("extradata_size: %d\n", ctx->extradata_size);
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for (int i = 0; i < ctx->extradata_size; i++)
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printf("%02x", ctx->extradata[i]);
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printf("\n");
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ret = 0;
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end:
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avcodec_free_context(&ctx);
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return ret;
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}
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int main(void)
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{
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const AVCodec *codec = avcodec_find_encoder(AV_CODEC_ID_MOV_TEXT);
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int ret;
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if (!codec)
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return 1;
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printf("Fallback font\n");
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ret = dump_sample_description(codec,
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"[Script Info]\n"
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"ScriptType: v4.00+\n");
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printf("Explicit Serif style\n");
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ret |= dump_sample_description(codec,
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"[Script Info]\n"
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"ScriptType: v4.00+\n"
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"[V4+ Styles]\n"
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"Format: Name, Fontname, Fontsize\n"
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"Style: Default,Serif,18\n");
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return ret;
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}
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