* @file
* 8088flex TMV file demuxer
* @author Daniel Verkamp
- * @sa http://www.oldskool.org/pc/8088_Corruption
+ * @see http://www.oldskool.org/pc/8088_Corruption
*/
+#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
+#include "internal.h"
enum {
TMV_PADDING = 0x01,
return 0;
}
-static int tmv_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int tmv_read_header(AVFormatContext *s)
{
TMVContext *tmv = s->priv_data;
AVIOContext *pb = s->pb;
if (avio_rl32(pb) != TMV_TAG)
return -1;
- if (!(vst = av_new_stream(s, 0)))
+ if (!(vst = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);
- if (!(ast = av_new_stream(s, 0)))
+ if (!(ast = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);
ast->codec->sample_rate = avio_rl16(pb);
}
ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- ast->codec->codec_id = CODEC_ID_PCM_U8;
- ast->codec->channels = features & TMV_STEREO ? 2 : 1;
+ ast->codec->codec_id = AV_CODEC_ID_PCM_U8;
+ if (features & TMV_STEREO) {
+ ast->codec->channels = 2;
+ ast->codec->channel_layout = AV_CH_LAYOUT_STEREO;
+ } else {
+ ast->codec->channels = 1;
+ ast->codec->channel_layout = AV_CH_LAYOUT_MONO;
+ }
ast->codec->bits_per_coded_sample = 8;
ast->codec->bit_rate = ast->codec->sample_rate *
ast->codec->bits_per_coded_sample;
- av_set_pts_info(ast, 32, 1, ast->codec->sample_rate);
+ avpriv_set_pts_info(ast, 32, 1, ast->codec->sample_rate);
fps.num = ast->codec->sample_rate * ast->codec->channels;
fps.den = tmv->audio_chunk_size;
av_reduce(&fps.num, &fps.den, fps.num, fps.den, 0xFFFFFFFFLL);
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- vst->codec->codec_id = CODEC_ID_TMV;
- vst->codec->pix_fmt = PIX_FMT_PAL8;
+ vst->codec->codec_id = AV_CODEC_ID_TMV;
+ vst->codec->pix_fmt = AV_PIX_FMT_PAL8;
vst->codec->width = char_cols * 8;
vst->codec->height = char_rows * 8;
- av_set_pts_info(vst, 32, fps.den, fps.num);
+ avpriv_set_pts_info(vst, 32, fps.den, fps.num);
if (features & TMV_PADDING)
tmv->padding =
pos = timestamp *
(tmv->audio_chunk_size + tmv->video_chunk_size + tmv->padding);
- avio_seek(s->pb, pos + TMV_HEADER_SIZE, SEEK_SET);
+ if (avio_seek(s->pb, pos + TMV_HEADER_SIZE, SEEK_SET) < 0)
+ return -1;
tmv->stream_index = 0;
return 0;
}
AVInputFormat ff_tmv_demuxer = {
- "tmv",
- NULL_IF_CONFIG_SMALL("8088flex TMV"),
- sizeof(TMVContext),
- tmv_probe,
- tmv_read_header,
- tmv_read_packet,
- NULL,
- tmv_read_seek,
- .flags = AVFMT_GENERIC_INDEX,
+ .name = "tmv",
+ .long_name = NULL_IF_CONFIG_SMALL("8088flex TMV"),
+ .priv_data_size = sizeof(TMVContext),
+ .read_probe = tmv_probe,
+ .read_header = tmv_read_header,
+ .read_packet = tmv_read_packet,
+ .read_seek = tmv_read_seek,
+ .flags = AVFMT_GENERIC_INDEX,
};