* Windows Television (WTV) demuxer
* Copyright (c) 2010-2011 Peter Ross <pross@xvid.org>
*
- * 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
*/
*/
#include "libavutil/intreadwrite.h"
-#include "libavutil/intfloat_readwrite.h"
+#include "libavutil/intfloat.h"
+#include "libavutil/dict.h"
#include "avformat.h"
#include "internal.h"
#include "riff.h"
#include "asf.h"
#include "mpegts.h"
-#include <strings.h>
/* Macros for formating GUIDs */
#define PRI_GUID \
AVIOContext *pb = wf->pb_filesystem;
int nread = 0;
- if (wf->error || url_ferror(pb))
+ if (wf->error || pb->error)
return -1;
if (wf->position >= wf->length || pb->eof_reached)
return 0;
{
WtvFile *wf = pb->opaque;
av_free(wf->sectors);
+ av_free(wf);
+ av_free(pb->buffer);
av_free(pb);
}
*/
static void oledate_to_iso8601(char *buf, int buf_size, int64_t value)
{
- time_t t = 631112400LL + 86400*av_int2dbl(value);
+ time_t t = 631112400LL + 86400*av_int2double(value);
strftime(buf, buf_size, "%Y-%m-%d %H:%M:%S", gmtime(&t));
}
if (!filesize)
goto done;
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
goto done;
- av_metadata_set2(&st->metadata, "title", description, 0);
+ av_dict_set(&st->metadata, "title", description, 0);
st->codec->codec_id = CODEC_ID_MJPEG;
st->codec->codec_type = AVMEDIA_TYPE_ATTACHMENT;
st->codec->extradata = av_mallocz(filesize);
else if (!strcmp(key, "WM/WMRVExpirationDate"))
oledate_to_iso8601(buf, buf_size, num);
else if (!strcmp(key, "WM/WMRVBitrate"))
- snprintf(buf, buf_size, "%f", av_int2dbl(num));
+ snprintf(buf, buf_size, "%f", av_int2double(num));
else
snprintf(buf, buf_size, "%"PRIi64, num);
} else if (type == 5 && length == 2) {
} else {
av_freep(&buf);
av_log(s, AV_LOG_WARNING, "unsupported metadata entry; key:%s, type:%d, length:0x%x\n", key, type, length);
- avio_seek(pb, length, SEEK_CUR);
+ avio_skip(pb, length);
return;
}
- av_metadata_set2(&s->metadata, key, buf, 0);
+ av_dict_set(&s->metadata, key, buf, 0);
av_freep(&buf);
}
WtvContext *wtv = s->priv_data;
AVIOContext *pb = wtv->pb;
- avio_seek(pb, 72, SEEK_CUR); // picture aspect ratio is unreliable
+ avio_skip(pb, 72); // picture aspect ratio is unreliable
ff_get_bmp_header(pb, st);
return 72 + 40;
WtvStream *wst = av_mallocz(sizeof(WtvStream));
if (!wst)
return NULL;
- st = av_new_stream(s, sid);
+ st = avformat_new_stream(s, NULL);
if (!st)
return NULL;
+ st->id = sid;
st->priv_data = wst;
}
st->codec->codec_type = codec_type;
st->need_parsing = AVSTREAM_PARSE_FULL;
- av_set_pts_info(st, 64, 1, 10000000);
+ avpriv_set_pts_info(st, 64, 1, 10000000);
return st;
}
if (size < 32) {
av_log(s, AV_LOG_WARNING, "format buffer size underflow\n");
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
return NULL;
}
- avio_seek(pb, size - 32, SEEK_CUR);
+ avio_skip(pb, size - 32);
ff_get_guid(pb, &actual_subtype);
ff_get_guid(pb, &actual_formattype);
avio_seek(pb, -size, SEEK_CUR);
st = parse_media_type(s, st, sid, mediatype, actual_subtype, actual_formattype, size - 32);
- avio_seek(pb, 32, SEEK_CUR);
+ avio_skip(pb, 32);
return st;
} else if (!ff_guidcmp(mediatype, mediatype_audio)) {
st = new_stream(s, st, sid, AVMEDIA_TYPE_AUDIO);
if (!st)
return NULL;
if (!ff_guidcmp(formattype, format_waveformatex)) {
- ff_get_wav_header(pb, st->codec, size);
+ int ret = ff_get_wav_header(pb, st->codec, size);
+ if (ret < 0)
+ return NULL;
} else {
if (ff_guidcmp(formattype, format_none))
av_log(s, AV_LOG_WARNING, "unknown formattype:"PRI_GUID"\n", ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
}
if (!memcmp(subtype + 4, (const uint8_t[]){MEDIASUBTYPE_BASE_GUID}, 12)) {
return NULL;
if (!ff_guidcmp(formattype, format_videoinfo2)) {
int consumed = parse_videoinfoheader2(s, st);
- avio_seek(pb, FFMAX(size - consumed, 0), SEEK_CUR);
+ avio_skip(pb, FFMAX(size - consumed, 0));
} else if (!ff_guidcmp(formattype, format_mpeg2_video)) {
int consumed = parse_videoinfoheader2(s, st);
- avio_seek(pb, FFMAX(size - consumed, 0), SEEK_CUR);
+ avio_skip(pb, FFMAX(size - consumed, 0));
} else {
if (ff_guidcmp(formattype, format_none))
av_log(s, AV_LOG_WARNING, "unknown formattype:"PRI_GUID"\n", ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
}
if (!memcmp(subtype + 4, (const uint8_t[]){MEDIASUBTYPE_BASE_GUID}, 12)) {
return NULL;
if (ff_guidcmp(formattype, format_none))
av_log(s, AV_LOG_WARNING, "unknown formattype:"PRI_GUID"\n", ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
st->codec->codec_id = CODEC_ID_DVB_SUBTITLE;
return st;
} else if (!ff_guidcmp(mediatype, mediatype_mstvcaption) &&
return NULL;
if (ff_guidcmp(formattype, format_none))
av_log(s, AV_LOG_WARNING, "unknown formattype:"PRI_GUID"\n", ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
st->codec->codec_id = CODEC_ID_DVB_TELETEXT;
return st;
} else if (!ff_guidcmp(mediatype, mediatype_mpeg2_sections) &&
!ff_guidcmp(subtype, mediasubtype_mpeg2_sections)) {
if (ff_guidcmp(formattype, format_none))
av_log(s, AV_LOG_WARNING, "unknown formattype:"PRI_GUID"\n", ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
return NULL;
}
av_log(s, AV_LOG_WARNING, "unknown media type, mediatype:"PRI_GUID
", subtype:"PRI_GUID", formattype:"PRI_GUID"\n",
ARG_GUID(mediatype), ARG_GUID(subtype), ARG_GUID(formattype));
- avio_seek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
return NULL;
}
* Parse WTV chunks
* @param mode SEEK_TO_DATA or SEEK_TO_PTS
* @param seekts timestamp
- * @param[out] len Length of data chunk
+ * @param[out] len_ptr Length of data chunk
* @return stream index of data chunk, or <0 on error
*/
static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_ptr)
if (len < 32)
break;
sid = avio_rl32(pb) & 0x7FFF;
- avio_seek(pb, 8, SEEK_CUR);
+ avio_skip(pb, 8);
consumed = 32;
if (!ff_guidcmp(g, stream_guid)) {
if (ff_find_stream_index(s, sid) < 0) {
ff_asf_guid mediatype, subtype, formattype;
int size;
- avio_seek(pb, 28, SEEK_CUR);
+ avio_skip(pb, 28);
ff_get_guid(pb, &mediatype);
ff_get_guid(pb, &subtype);
- avio_seek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
ff_get_guid(pb, &formattype);
size = avio_rl32(pb);
parse_media_type(s, 0, sid, mediatype, subtype, formattype, size);
if (stream_index >= 0 && !((WtvStream*)s->streams[stream_index]->priv_data)->seen_data) {
ff_asf_guid mediatype, subtype, formattype;
int size;
- avio_seek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
ff_get_guid(pb, &mediatype);
ff_get_guid(pb, &subtype);
- avio_seek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
ff_get_guid(pb, &formattype);
size = avio_rl32(pb);
parse_media_type(s, s->streams[stream_index], sid, mediatype, subtype, formattype, size);
const uint8_t *pbuf = buf;
int buf_size;
- avio_seek(pb, 8, SEEK_CUR);
+ avio_skip(pb, 8);
consumed += 8;
if (!ff_guidcmp(g, EVENTID_CtxADescriptorSpanningEvent) ||
!ff_guidcmp(g, EVENTID_CSDescriptorSpanningEvent)) {
- avio_seek(pb, 6, SEEK_CUR);
+ avio_skip(pb, 6);
consumed += 6;
}
buf_size = FFMIN(len - consumed, sizeof(buf));
avio_read(pb, buf, buf_size);
consumed += buf_size;
- ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, 0, 0, 0, 0);
+ ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, NULL, 0, 0, NULL);
}
} else if (!ff_guidcmp(g, EVENTID_AudioTypeSpanningEvent)) {
int stream_index = ff_find_stream_index(s, sid);
if (stream_index >= 0) {
AVStream *st = s->streams[stream_index];
int audio_type;
- avio_seek(pb, 8, SEEK_CUR);
+ avio_skip(pb, 8);
audio_type = avio_r8(pb);
if (audio_type == 2)
st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED;
} else if (!ff_guidcmp(g, EVENTID_DVBScramblingControlSpanningEvent)) {
int stream_index = ff_find_stream_index(s, sid);
if (stream_index >= 0) {
- avio_seek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
if (avio_rl32(pb))
av_log(s, AV_LOG_WARNING, "DVB scrambled stream detected (st:%d), decoding will likely fail\n", stream_index);
consumed += 16;
if (stream_index >= 0) {
AVStream *st = s->streams[stream_index];
uint8_t language[4];
- avio_seek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
avio_read(pb, language, 3);
if (language[0]) {
language[3] = 0;
- av_metadata_set2(&st->metadata, "language", language, 0);
+ av_dict_set(&st->metadata, "language", language, 0);
if (!strcmp(language, "nar") || !strcmp(language, "NAR"))
st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED;
}
} else if (!ff_guidcmp(g, timestamp_guid)) {
int stream_index = ff_find_stream_index(s, sid);
if (stream_index >= 0) {
- avio_seek(pb, 8, SEEK_CUR);
+ avio_skip(pb, 8);
wtv->pts = avio_rl64(pb);
consumed += 16;
if (wtv->pts == -1)
wtv->epoch = wtv->pts;
if (mode == SEEK_TO_PTS && wtv->pts >= seekts) {
#define WTV_PAD8(x) (((x) + 7) & ~7)
- avio_seek(pb, WTV_PAD8(len) - consumed, SEEK_CUR);
+ avio_skip(pb, WTV_PAD8(len) - consumed);
return 0;
}
}
} else
av_log(s, AV_LOG_WARNING, "unsupported chunk:"PRI_GUID"\n", ARG_GUID(g));
- avio_seek(pb, WTV_PAD8(len) - consumed, SEEK_CUR);
+ avio_skip(pb, WTV_PAD8(len) - consumed);
}
return AVERROR_EOF;
}
{'t'_'i'_'m'_'e'_'l'_'i'_'n'_'e'_'.'_'t'_'a'_'b'_'l'_'e'_'.'_'0'_'.'_'e'_'n'_'t'_'r'_'i'_'e'_'s'_'.'_'E'_'v'_'e'_'n'_'t'_'s', 0};
#undef _
-static int read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int read_header(AVFormatContext *s)
{
WtvContext *wtv = s->priv_data;
int root_sector, root_size;
wtv->last_valid_pts = AV_NOPTS_VALUE;
/* read root directory sector */
- avio_seek(s->pb, 0x30, SEEK_CUR);
+ avio_skip(s->pb, 0x30);
root_size = avio_rl32(s->pb);
if (root_size > sizeof(root)) {
av_log(s, AV_LOG_ERROR, "root directory size exceeds sector size\n");
return AVERROR_INVALIDDATA;
}
- avio_seek(s->pb, 4, SEEK_CUR);
+ avio_skip(s->pb, 4);
root_sector = avio_rl32(s->pb);
avio_seek(s->pb, root_sector << WTV_SECTOR_BITS, SEEK_SET);
return ret;
pkt->stream_index = stream_index;
pkt->pts = wtv->pts;
- avio_seek(pb, WTV_PAD8(len) - len, SEEK_CUR);
+ avio_skip(pb, WTV_PAD8(len) - len);
return 0;
}
int i;
if ((flags & AVSEEK_FLAG_FRAME) || (flags & AVSEEK_FLAG_BYTE))
- return AVERROR_NOTSUPP;
+ return AVERROR(ENOSYS);
/* timestamp adjustment is required because wtv->pts values are absolute,
* whereas AVIndexEntry->timestamp values are relative to epoch. */
static int read_close(AVFormatContext *s)
{
WtvContext *wtv = s->priv_data;
+ av_free(wtv->index_entries);
wtvfile_close(wtv->pb);
return 0;
}
projects / ffmpeg / blobdiff