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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpv 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <assert.h>
#include <libavutil/intreadwrite.h>
#include <libavutil/common.h>
#include "sd.h"
static bool supports_format(const char *format)
{
return format && strcmp(format, "mov_text") == 0;
}
static int init(struct sd *sd)
{
sd->output_codec = "text";
return 0;
}
static void decode(struct sd *sd, struct demux_packet *packet)
{
unsigned char *data = packet->buffer;
int len = packet->len;
if (len < 2)
return;
len = FFMIN(len - 2, AV_RB16(data));
data += 2;
if (len > 0)
sd_conv_add_packet(sd, data, len, packet->pts, packet->duration);
}
const struct sd_functions sd_movtext = {
.name = "movtext",
.supports_format = supports_format,
.init = init,
.decode = decode,
.get_converted = sd_conv_def_get_converted,
.reset = sd_conv_def_reset,
};
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