/*
* Wing Commander III Movie (.mve) File Demuxer
- * Copyright (c) 2003 The ffmpeg Project
+ * Copyright (c) 2003 The FFmpeg project
*
- * 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
*/
* http://www.pcisys.net/~melanson/codecs/
*/
+#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
#include "avformat.h"
+#include "internal.h"
#define FORM_TAG MKTAG('F', 'O', 'R', 'M')
#define MOVE_TAG MKTAG('M', 'O', 'V', 'E')
return AVPROBE_SCORE_MAX;
}
-static int wc3_read_header(AVFormatContext *s,
- AVFormatParameters *ap)
+static int wc3_read_header(AVFormatContext *s)
{
Wc3DemuxContext *wc3 = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
unsigned int fourcc_tag;
unsigned int size;
AVStream *st;
wc3->vpkt.data = NULL; wc3->vpkt.size = 0;
/* skip the first 3 32-bit numbers */
- url_fseek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
/* traverse through the chunks and load the header information before
* the first BRCH tag */
- fourcc_tag = get_le32(pb);
- size = (get_be32(pb) + 1) & (~1);
+ fourcc_tag = avio_rl32(pb);
+ size = (avio_rb32(pb) + 1) & (~1);
do {
switch (fourcc_tag) {
case SOND_TAG:
case INDX_TAG:
/* SOND unknown, INDX unnecessary; ignore both */
- url_fseek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
break;
case PC__TAG:
/* number of palettes, unneeded */
- url_fseek(pb, 12, SEEK_CUR);
+ avio_skip(pb, 12);
break;
case BNAM_TAG:
buffer = av_malloc(size+1);
if (!buffer)
return AVERROR(ENOMEM);
- if ((ret = get_buffer(pb, buffer, size)) != size)
+ if ((ret = avio_read(pb, buffer, size)) != size)
return AVERROR(EIO);
buffer[size] = 0;
- av_metadata_set2(&s->metadata, "title", buffer,
- AV_METADATA_DONT_STRDUP_VAL);
+ av_dict_set(&s->metadata, "title", buffer,
+ AV_DICT_DONT_STRDUP_VAL);
break;
case SIZE_TAG:
/* video resolution override */
- wc3->width = get_le32(pb);
- wc3->height = get_le32(pb);
+ wc3->width = avio_rl32(pb);
+ wc3->height = avio_rl32(pb);
break;
case PALT_TAG:
/* one of several palettes */
- url_fseek(pb, -8, SEEK_CUR);
+ avio_seek(pb, -8, SEEK_CUR);
av_append_packet(pb, &wc3->vpkt, 8 + PALETTE_SIZE);
break;
(uint8_t)fourcc_tag, (uint8_t)(fourcc_tag >> 8), (uint8_t)(fourcc_tag >> 16), (uint8_t)(fourcc_tag >> 24),
(uint8_t)fourcc_tag, (uint8_t)(fourcc_tag >> 8), (uint8_t)(fourcc_tag >> 16), (uint8_t)(fourcc_tag >> 24));
return AVERROR_INVALIDDATA;
- break;
}
- fourcc_tag = get_le32(pb);
+ fourcc_tag = avio_rl32(pb);
/* chunk sizes are 16-bit aligned */
- size = (get_be32(pb) + 1) & (~1);
- if (url_feof(pb))
+ size = (avio_rb32(pb) + 1) & (~1);
+ if (pb->eof_reached)
return AVERROR(EIO);
} while (fourcc_tag != BRCH_TAG);
/* initialize the decoder streams */
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
- av_set_pts_info(st, 33, 1, WC3_FRAME_FPS);
+ avpriv_set_pts_info(st, 33, 1, WC3_FRAME_FPS);
wc3->video_stream_index = st->index;
- st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- st->codec->codec_id = CODEC_ID_XAN_WC3;
- st->codec->codec_tag = 0; /* no fourcc */
- st->codec->width = wc3->width;
- st->codec->height = wc3->height;
+ st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+ st->codecpar->codec_id = AV_CODEC_ID_XAN_WC3;
+ st->codecpar->codec_tag = 0; /* no fourcc */
+ st->codecpar->width = wc3->width;
+ st->codecpar->height = wc3->height;
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
- av_set_pts_info(st, 33, 1, WC3_FRAME_FPS);
+ avpriv_set_pts_info(st, 33, 1, WC3_FRAME_FPS);
wc3->audio_stream_index = st->index;
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codec->codec_id = CODEC_ID_PCM_S16LE;
- st->codec->codec_tag = 1;
- st->codec->channels = WC3_AUDIO_CHANNELS;
- st->codec->bits_per_coded_sample = WC3_AUDIO_BITS;
- st->codec->sample_rate = WC3_SAMPLE_RATE;
- st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
- st->codec->bits_per_coded_sample;
- st->codec->block_align = WC3_AUDIO_BITS * WC3_AUDIO_CHANNELS;
+ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
+ st->codecpar->codec_tag = 1;
+ st->codecpar->channels = WC3_AUDIO_CHANNELS;
+ st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
+ st->codecpar->bits_per_coded_sample = WC3_AUDIO_BITS;
+ st->codecpar->sample_rate = WC3_SAMPLE_RATE;
+ st->codecpar->bit_rate = st->codecpar->channels * st->codecpar->sample_rate *
+ st->codecpar->bits_per_coded_sample;
+ st->codecpar->block_align = WC3_AUDIO_BITS * WC3_AUDIO_CHANNELS;
return 0;
}
AVPacket *pkt)
{
Wc3DemuxContext *wc3 = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
unsigned int fourcc_tag;
unsigned int size;
int packet_read = 0;
while (!packet_read) {
- fourcc_tag = get_le32(pb);
+ fourcc_tag = avio_rl32(pb);
/* chunk sizes are 16-bit aligned */
- size = (get_be32(pb) + 1) & (~1);
- if (url_feof(pb))
+ size = (avio_rb32(pb) + 1) & (~1);
+ if (pb->eof_reached)
return AVERROR(EIO);
switch (fourcc_tag) {
case SHOT_TAG:
/* load up new palette */
- url_fseek(pb, -8, SEEK_CUR);
+ avio_seek(pb, -8, SEEK_CUR);
av_append_packet(pb, &wc3->vpkt, 8 + 4);
break;
case VGA__TAG:
/* send out video chunk */
- url_fseek(pb, -8, SEEK_CUR);
+ avio_seek(pb, -8, SEEK_CUR);
ret= av_append_packet(pb, &wc3->vpkt, 8 + size);
// ignore error if we have some data
if (wc3->vpkt.size > 0)
case TEXT_TAG:
/* subtitle chunk */
-#if 0
- url_fseek(pb, size, SEEK_CUR);
-#else
- if ((unsigned)size > sizeof(text) || (ret = get_buffer(pb, text, size)) != size)
+ if ((unsigned)size > sizeof(text) || (ret = avio_read(pb, text, size)) != size)
ret = AVERROR(EIO);
else {
int i = 0;
i += text[i] + 1;
av_log (s, AV_LOG_DEBUG, " fronsay: %s\n", &text[i + 1]);
}
-#endif
break;
case AUDI_TAG:
Wc3DemuxContext *wc3 = s->priv_data;
if (wc3->vpkt.size > 0)
- av_free_packet(&wc3->vpkt);
+ av_packet_unref(&wc3->vpkt);
return 0;
}
AVInputFormat ff_wc3_demuxer = {
- "wc3movie",
- NULL_IF_CONFIG_SMALL("Wing Commander III movie format"),
- sizeof(Wc3DemuxContext),
- wc3_probe,
- wc3_read_header,
- wc3_read_packet,
- wc3_read_close,
+ .name = "wc3movie",
+ .long_name = NULL_IF_CONFIG_SMALL("Wing Commander III movie"),
+ .priv_data_size = sizeof(Wc3DemuxContext),
+ .read_probe = wc3_probe,
+ .read_header = wc3_read_header,
+ .read_packet = wc3_read_packet,
+ .read_close = wc3_read_close,
};
projects / ffmpeg / blobdiff