Commit 2e375df5 authored by Peter Ross's avatar Peter Ross

Bink demuxer

Originally committed as revision 21569 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 688621d7
......@@ -51,6 +51,7 @@ version <next>:
- SIPR decoder
- Adobe Filmstrip muxer and demuxer
- RTP depacketization of H.263
- Bink demuxer
......
......@@ -58,6 +58,8 @@ library:
@tab Audio and video format used in some games by Beam Software.
@item Bethesda Softworks VID @tab @tab X
@tab Used in some games from Bethesda Softworks.
@item Bink @tab @tab X
@tab Multimedia format used by many games.
@item Brute Force & Ignorance @tab @tab X
@tab Used in the game Flash Traffic: City of Angels.
@item Interplay C93 @tab @tab X
......
......@@ -42,6 +42,7 @@ OBJS-$(CONFIG_AVM2_MUXER) += swfenc.o
OBJS-$(CONFIG_AVS_DEMUXER) += avs.o vocdec.o voc.o
OBJS-$(CONFIG_BETHSOFTVID_DEMUXER) += bethsoftvid.o
OBJS-$(CONFIG_BFI_DEMUXER) += bfi.o
OBJS-$(CONFIG_BINK_DEMUXER) += bink.o
OBJS-$(CONFIG_C93_DEMUXER) += c93.o vocdec.o voc.o
OBJS-$(CONFIG_CAF_DEMUXER) += cafdec.o caf.o mov.o riff.o isom.o
OBJS-$(CONFIG_CAVSVIDEO_DEMUXER) += raw.o
......
......@@ -66,6 +66,7 @@ void av_register_all(void)
REGISTER_DEMUXER (AVS, avs);
REGISTER_DEMUXER (BETHSOFTVID, bethsoftvid);
REGISTER_DEMUXER (BFI, bfi);
REGISTER_DEMUXER (BINK, bink);
REGISTER_DEMUXER (C93, c93);
REGISTER_DEMUXER (CAF, caf);
REGISTER_DEMUXER (CAVSVIDEO, cavsvideo);
......
/*
* Bink demuxer
* Copyright (c) 2008-2010 Peter Ross (pross@xvid.org)
* Copyright (c) 2009 Daniel Verkamp (daniel@drv.nu)
*
* This file is part of FFmpeg.
*
* FFmpeg 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,
* 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
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file libavformat/bink.c
* Bink demuxer
*
* Technical details here:
* http://wiki.multimedia.cx/index.php?title=Bink_Container
*/
#include "libavutil/intreadwrite.h"
#include "avformat.h"
enum BinkAudFlags {
BINK_AUD_16BITS = 0x4000, ///< prefer 16-bit output
BINK_AUD_STEREO = 0x2000,
BINK_AUD_USEDCT = 0x1000,
};
#define BINK_EXTRADATA_SIZE 1
#define BINK_MAX_AUDIO_TRACKS 256
#define BINK_MAX_WIDTH 7680
#define BINK_MAX_HEIGHT 4800
typedef struct {
uint32_t file_size;
uint32_t total_frames;
uint32_t num_audio_tracks;
int current_track; ///< audio track to return in next packet
int64_t video_pts;
int64_t audio_pts[BINK_MAX_AUDIO_TRACKS];
uint32_t remain_packet_size;
} BinkDemuxContext;
static int probe(AVProbeData *p)
{
const uint8_t *b = p->buf;
if ( b[0] == 'B' && b[1] == 'I' && b[2] == 'K' &&
(b[3] == 'b' || b[3] == 'f' || b[3] == 'g' || b[3] == 'h' || b[3] == 'i') &&
AV_RL32(b+8) > 0 && // num_frames
AV_RL32(b+20) > 0 && AV_RL32(b+20) <= BINK_MAX_WIDTH &&
AV_RL32(b+24) > 0 && AV_RL32(b+24) <= BINK_MAX_HEIGHT &&
AV_RL32(b+28) > 0 && AV_RL32(b+32) > 0) // fps num,den
return AVPROBE_SCORE_MAX;
return 0;
}
static int read_header(AVFormatContext *s, AVFormatParameters *ap)
{
BinkDemuxContext *bink = s->priv_data;
ByteIOContext *pb = s->pb;
uint32_t fps_num, fps_den;
AVStream *vst, *ast;
unsigned int i;
uint32_t pos, prev_pos;
uint16_t flags;
int keyframe;
vst = av_new_stream(s, 0);
if (!vst)
return AVERROR(ENOMEM);
vst->codec->codec_tag = get_le32(pb);
bink->file_size = get_le32(pb) + 8;
bink->total_frames = get_le32(pb);
if (bink->total_frames > 1000000) {
av_log(s, AV_LOG_ERROR, "invalid header: more than 1000000 frames\n");
return AVERROR(EIO);
}
if (get_le32(pb) > bink->file_size) {
av_log(s, AV_LOG_ERROR,
"invalid header: largest frame size greater than file size\n");
return AVERROR(EIO);
}
url_fskip(pb, 4);
vst->codec->width = get_le32(pb);
vst->codec->height = get_le32(pb);
fps_num = get_le32(pb);
fps_den = get_le32(pb);
if (fps_num == 0 || fps_den == 0) {
av_log(s, AV_LOG_ERROR, "invalid header: invalid fps (%d/%d)\n", fps_num, fps_den);
return AVERROR(EIO);
}
av_set_pts_info(vst, 64, fps_den, fps_num);
url_fskip(pb, 4);
vst->codec->codec_type = CODEC_TYPE_VIDEO;
vst->codec->codec_id = 0; /* FIXME: CODEC_ID_BINKVIDEO */
bink->num_audio_tracks = get_le32(pb);
if (bink->num_audio_tracks > BINK_MAX_AUDIO_TRACKS) {
av_log(s, AV_LOG_ERROR,
"invalid header: more than "AV_STRINGIFY(BINK_MAX_AUDIO_TRACKS)" audio tracks (%d)\n",
bink->num_audio_tracks);
return AVERROR(EIO);
}
if (bink->num_audio_tracks) {
url_fskip(pb, 4 * bink->num_audio_tracks);
for (i = 0; i < bink->num_audio_tracks; i++) {
ast = av_new_stream(s, 1);
if (!ast)
return AVERROR(ENOMEM);
ast->codec->codec_type = CODEC_TYPE_AUDIO;
ast->codec->codec_tag = 0;
ast->codec->sample_rate = get_le16(pb);
av_set_pts_info(ast, 64, 1, ast->codec->sample_rate);
flags = get_le16(pb);
ast->codec->codec_id = flags & BINK_AUD_USEDCT ?
CODEC_ID_BINKAUDIO_DCT : CODEC_ID_BINKAUDIO_RDFT;
ast->codec->channels = flags & BINK_AUD_STEREO ? 2 : 1;
}
url_fskip(pb, 4 * bink->num_audio_tracks);
}
/* frame index table */
pos = get_le32(pb) & ~1;
for (i = 0; i < bink->total_frames; i++) {
prev_pos = pos;
if (i == bink->total_frames - 1) {
pos = bink->file_size;
keyframe = 0;
} else {
pos = get_le32(pb);
keyframe = pos & 1;
pos &= ~1;
}
if (pos <= prev_pos) {
av_log(s, AV_LOG_ERROR, "invalid frame index table\n");
return AVERROR(EIO);
}
av_add_index_entry(vst, pos, i, pos - prev_pos, 0,
keyframe ? AVINDEX_KEYFRAME : 0);
}
url_fskip(pb, 4);
bink->current_track = -1;
return 0;
}
static int read_packet(AVFormatContext *s, AVPacket *pkt)
{
BinkDemuxContext *bink = s->priv_data;
ByteIOContext *pb = s->pb;
int ret;
if (bink->current_track < 0) {
int index_entry;
AVStream *st = s->streams[0]; // stream 0 is video stream with index
if (bink->video_pts >= bink->total_frames)
return AVERROR(EIO);
index_entry = av_index_search_timestamp(st, bink->video_pts,
AVSEEK_FLAG_ANY);
if (index_entry < 0) {
av_log(s, AV_LOG_ERROR,
"could not find index entry for frame %"PRId64"\n",
bink->video_pts);
return AVERROR(EIO);
}
bink->remain_packet_size = st->index_entries[index_entry].size;
bink->current_track = 0;
}
if (bink->current_track < bink->num_audio_tracks) {
uint32_t audio_size = get_le32(pb);
if (audio_size > bink->remain_packet_size - 4) {
av_log(s, AV_LOG_ERROR,
"frame %"PRId64": audio size in header (%u) > size of packet left (%u)\n",
bink->video_pts, audio_size, bink->remain_packet_size);
return AVERROR(EIO);
}
bink->remain_packet_size -= 4 + audio_size;
bink->current_track++;
if (audio_size > 0) {
/* Each audio packet reports the number of decompressed samples
(in bytes). We use this value to calcuate the audio PTS */
int reported_size = get_le32(pb) / (2 * s->streams[bink->current_track]->codec->channels);
url_fseek(pb, -4, SEEK_CUR);
/* get one audio packet per track */
if ((ret = av_get_packet(pb, pkt, audio_size))
!= audio_size)
return ret;
pkt->stream_index = bink->current_track;
pkt->pts = bink->audio_pts[bink->current_track - 1] += reported_size;
return 0;
}
}
/* get video packet */
if ((ret = av_get_packet(pb, pkt, bink->remain_packet_size))
!= bink->remain_packet_size)
return ret;
pkt->stream_index = 0;
pkt->pts = bink->video_pts++;
pkt->flags |= PKT_FLAG_KEY;
/* -1 instructs the next call to read_packet() to read the next frame */
bink->current_track = -1;
return 0;
}
AVInputFormat bink_demuxer = {
"bink",
NULL_IF_CONFIG_SMALL("Bink"),
sizeof(BinkDemuxContext),
probe,
read_header,
read_packet,
};
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