* Adobe Filmstrip muxer
* Copyright (c) 2010 Peter Ross
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define RAND_TAG MKBETAG('R','a','n','d')
-typedef struct {
+typedef struct FilmstripMuxContext {
int nb_frames;
} FilmstripMuxContext;
static int write_header(AVFormatContext *s)
{
- if (s->streams[0]->codec->pix_fmt != PIX_FMT_RGBA) {
- av_log(s, AV_LOG_ERROR, "only PIX_FMT_RGBA is supported\n");
+ if (s->streams[0]->codec->pix_fmt != AV_PIX_FMT_RGBA) {
+ av_log(s, AV_LOG_ERROR, "only AV_PIX_FMT_RGBA is supported\n");
return AVERROR_INVALIDDATA;
}
return 0;
static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
FilmstripMuxContext *film = s->priv_data;
- put_buffer(s->pb, pkt->data, pkt->size);
+ avio_write(s->pb, pkt->data, pkt->size);
film->nb_frames++;
return 0;
}
static int write_trailer(AVFormatContext *s)
{
FilmstripMuxContext *film = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
AVStream *st = s->streams[0];
int i;
- put_be32(pb, RAND_TAG);
- put_be32(pb, film->nb_frames);
- put_be16(pb, 0); // packing method
- put_be16(pb, 0); // reserved
- put_be16(pb, st->codec->width);
- put_be16(pb, st->codec->height);
- put_be16(pb, 0); // leading
- put_be16(pb, 1/av_q2d(st->codec->time_base));
+ avio_wb32(pb, RAND_TAG);
+ avio_wb32(pb, film->nb_frames);
+ avio_wb16(pb, 0); // packing method
+ avio_wb16(pb, 0); // reserved
+ avio_wb16(pb, st->codec->width);
+ avio_wb16(pb, st->codec->height);
+ avio_wb16(pb, 0); // leading
+ // TODO: should be avg_frame_rate
+ avio_wb16(pb, 1/av_q2d(st->time_base));
for (i = 0; i < 16; i++)
- put_byte(pb, 0x00); // reserved
- put_flush_packet(pb);
+ avio_w8(pb, 0x00); // reserved
+
return 0;
}
-AVOutputFormat filmstrip_muxer = {
- "filmstrip",
- NULL_IF_CONFIG_SMALL("Adobe Filmstrip"),
- NULL,
- "flm",
- sizeof(FilmstripMuxContext),
- CODEC_ID_NONE,
- CODEC_ID_RAWVIDEO,
- write_header,
- write_packet,
- write_trailer,
+AVOutputFormat ff_filmstrip_muxer = {
+ .name = "filmstrip",
+ .long_name = NULL_IF_CONFIG_SMALL("Adobe Filmstrip"),
+ .extensions = "flm",
+ .priv_data_size = sizeof(FilmstripMuxContext),
+ .audio_codec = AV_CODEC_ID_NONE,
+ .video_codec = AV_CODEC_ID_RAWVIDEO,
+ .write_header = write_header,
+ .write_packet = write_packet,
+ .write_trailer = write_trailer,
};