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support for Sierra Online audio files and Apple QuickDraw codec,

Browse Source 
courtesy of Konstantin Shishkov

Originally committed as revision 3529 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2004-09-28 03:09:49 +00:00
parent 98772cbf7b
commit d08d7142fd
12 changed files with 430 additions and 2 deletions
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2
Changelog
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@ -1,6 +1,8 @@
version <next>
- TechSmith Camtasia (TSCC) video decoder
- IBM Ultimotion (ULTI) video decoder
- Sierra Online audio file demuxer and decoder
- Apple QuickDraw (qdrw) video decoder
version 0.4.9-pre1:

5
doc/ffmpeg-doc.texi
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@ -676,6 +676,8 @@ library:
@tab .fli/.flc files
@item Sierra VMD @tab @tab X
@tab used in Sierra CD-ROM games
@item Sierra Online @tab @tab X
@tab .sol files used in Sierra Online games
@item Matroska @tab @tab X
@end multitable
@ -742,6 +744,7 @@ following image formats are supported:
@item Apple Animation @tab @tab X @tab fourcc: 'rle '
@item Apple Graphics @tab @tab X @tab fourcc: 'smc '
@item Apple Video @tab @tab X @tab fourcc: rpza
@item Apple QuickDraw @tab @tab X @tab fourcc: qdrw
@item Cinepak @tab @tab X
@item Microsoft RLE @tab @tab X
@item Microsoft Video-1 @tab @tab X
@ -812,6 +815,8 @@ solutions.
@tab used in various Interplay computer games
@item Xan DPCM @tab @tab X
@tab used in Origin's Wing Commander IV AVI files
@item Sierra Online DPCM @tab @tab X
@tab used in Sierra Online game audio files
@item Apple MACE 3 @tab @tab X
@item Apple MACE 6 @tab @tab X
@item FLAC @tab @tab X

3
libavcodec/Makefile
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@ -20,7 +20,8 @@ OBJS= common.o utils.o mem.o allcodecs.o \
roqvideo.o dpcm.o interplayvideo.o xan.o rpza.o cinepak.o msrle.o \
msvideo1.o vqavideo.o idcinvideo.o adx.o rational.o faandct.o 8bps.o \
smc.o parser.o flicvideo.o truemotion1.o vmdav.o lcl.o qtrle.o g726.o \
flac.o vp3dsp.o integer.o snow.o tscc.o sonic.o ulti.o h264idct.o
flac.o vp3dsp.o integer.o snow.o tscc.o sonic.o ulti.o h264idct.o \
qdrw.o
ifeq ($(AMR_NB),yes)
ifeq ($(AMR_NB_FIXED),yes)

2
libavcodec/allcodecs.c
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@ -108,6 +108,7 @@ void avcodec_register_all(void)
register_avcodec(&indeo3_decoder);
register_avcodec(&tscc_decoder);
register_avcodec(&ulti_decoder);
register_avcodec(&qdraw_decoder);
#ifdef CONFIG_FAAD
register_avcodec(&aac_decoder);
register_avcodec(&mpeg4aac_decoder);
@ -169,6 +170,7 @@ void avcodec_register_all(void)
register_avcodec(&roq_dpcm_decoder);
register_avcodec(&interplay_dpcm_decoder);
register_avcodec(&xan_dpcm_decoder);
register_avcodec(&sol_dpcm_decoder);
register_avcodec(&qtrle_decoder);
register_avcodec(&flac_decoder);
#endif /* CONFIG_DECODERS */

4
libavcodec/avcodec.h
View File

@ -103,6 +103,7 @@ enum CodecID {
CODEC_ID_SNOW,
CODEC_ID_TSCC,
CODEC_ID_ULTI,
CODEC_ID_QDRAW,
/* various pcm "codecs" */
CODEC_ID_PCM_S16LE,
@ -140,6 +141,7 @@ enum CodecID {
CODEC_ID_ROQ_DPCM,
CODEC_ID_INTERPLAY_DPCM,
CODEC_ID_XAN_DPCM,
CODEC_ID_SOL_DPCM,
CODEC_ID_FLAC,
@ -1878,11 +1880,13 @@ extern AVCodec ra_288_decoder;
extern AVCodec roq_dpcm_decoder;
extern AVCodec interplay_dpcm_decoder;
extern AVCodec xan_dpcm_decoder;
extern AVCodec sol_dpcm_decoder;
extern AVCodec sonic_decoder;
extern AVCodec qtrle_decoder;
extern AVCodec flac_decoder;
extern AVCodec tscc_decoder;
extern AVCodec ulti_decoder;
extern AVCodec qdraw_decoder;
/* pcm codecs */
#define PCM_CODEC(id, name) \

90
libavcodec/dpcm.c
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@ -24,6 +24,7 @@
* Xan DPCM decoder by Mario Brito (mbrito@student.dei.uc.pt)
* for more information on the specific data formats, visit:
* http://www.pcisys.net/~melanson/codecs/simpleaudio.html
* SOL DPCMs implemented by Konstantin Shishkov
*
* Note about using the Xan DPCM decoder: Xan DPCM is used in AVI files
* found in the Wing Commander IV computer game. These AVI files contain
@ -39,6 +40,8 @@
typedef struct DPCMContext {
int channels;
short roq_square_array[256];
long sample[2];//for SOL_DPCM
int *sol_table;//for SOL_DPCM
} DPCMContext;
#define SATURATE_S16(x) if (x < -32768) x = -32768; \
@ -81,6 +84,32 @@ static int interplay_delta_table[] = {
};
static int sol_table_old[16] =
{ 0x0, 0x1, 0x2 , 0x3, 0x6, 0xA, 0xF, 0x15,
-0x15, -0xF, -0xA, -0x6, -0x3, -0x2, -0x1, 0x0};
static int sol_table_new[16] =
{ 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15,
0x0, -0x1, -0x2, -0x3, -0x6, -0xA, -0xF, -0x15};
static int sol_table_16[128] = {
0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080,
0x090, 0x0A0, 0x0B0, 0x0C0, 0x0D0, 0x0E0, 0x0F0, 0x100, 0x110, 0x120,
0x130, 0x140, 0x150, 0x160, 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0,
0x1D0, 0x1E0, 0x1F0, 0x200, 0x208, 0x210, 0x218, 0x220, 0x228, 0x230,
0x238, 0x240, 0x248, 0x250, 0x258, 0x260, 0x268, 0x270, 0x278, 0x280,
0x288, 0x290, 0x298, 0x2A0, 0x2A8, 0x2B0, 0x2B8, 0x2C0, 0x2C8, 0x2D0,
0x2D8, 0x2E0, 0x2E8, 0x2F0, 0x2F8, 0x300, 0x308, 0x310, 0x318, 0x320,
0x328, 0x330, 0x338, 0x340, 0x348, 0x350, 0x358, 0x360, 0x368, 0x370,
0x378, 0x380, 0x388, 0x390, 0x398, 0x3A0, 0x3A8, 0x3B0, 0x3B8, 0x3C0,
0x3C8, 0x3D0, 0x3D8, 0x3E0, 0x3E8, 0x3F0, 0x3F8, 0x400, 0x440, 0x480,
0x4C0, 0x500, 0x540, 0x580, 0x5C0, 0x600, 0x640, 0x680, 0x6C0, 0x700,
0x740, 0x780, 0x7C0, 0x800, 0x900, 0xA00, 0xB00, 0xC00, 0xD00, 0xE00,
0xF00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000
};
static int dpcm_decode_init(AVCodecContext *avctx)
{
DPCMContext *s = avctx->priv_data;
@ -88,6 +117,7 @@ static int dpcm_decode_init(AVCodecContext *avctx)
short square;
s->channels = avctx->channels;
s->sample[0] = s->sample[1] = 0;
switch(avctx->codec->id) {
@ -100,6 +130,26 @@ static int dpcm_decode_init(AVCodecContext *avctx)
}
break;
case CODEC_ID_SOL_DPCM:
switch(avctx->codec_tag){
case 1:
s->sol_table=sol_table_old;
s->sample[0] = s->sample[1] = 0x80;
break;
case 2:
s->sol_table=sol_table_new;
s->sample[0] = s->sample[1] = 0x80;
break;
case 3:
s->sol_table=sol_table_16;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown SOL subcodec\n");
return -1;
}
break;
default:
break;
}
@ -203,6 +253,35 @@ static int dpcm_decode_frame(AVCodecContext *avctx,
channel_number ^= s->channels - 1;
}
break;
case CODEC_ID_SOL_DPCM:
in = 0;
if (avctx->codec_tag != 3) {
while (in < buf_size) {
int n1, n2;
n1 = (buf[in] >> 4) & 0xF;
n2 = buf[in++] & 0xF;
s->sample[0] += s->sol_table[n1];
if (s->sample[0] < 0) s->sample[0] = 0;
if (s->sample[0] > 255) s->sample[0] = 255;
output_samples[out++] = (s->sample[0] - 128) << 8;
s->sample[s->channels - 1] += s->sol_table[n2];
if (s->sample[s->channels - 1] < 0) s->sample[s->channels - 1] = 0;
if (s->sample[s->channels - 1] > 255) s->sample[s->channels - 1] = 255;
output_samples[out++] = (s->sample[s->channels - 1] - 128) << 8;
}
} else {
while (in < buf_size) {
int n;
n = buf[in++];
if (n & 0x80) s->sample[channel_number] -= s->sol_table[n & 0x7F];
else s->sample[channel_number] += s->sol_table[n & 0x7F];
SATURATE_S16(s->sample[channel_number]);
output_samples[out++] = s->sample[channel_number];
/* toggle channel */
channel_number ^= s->channels - 1;
}
}
break;
}
*data_size = out * sizeof(short);
@ -241,3 +320,14 @@ AVCodec xan_dpcm_decoder = {
NULL,
dpcm_decode_frame,
};
AVCodec sol_dpcm_decoder = {
"sol_dpcm",
CODEC_TYPE_AUDIO,
CODEC_ID_SOL_DPCM,
sizeof(DPCMContext),
dpcm_decode_init,
NULL,
NULL,
dpcm_decode_frame,
};

153
libavcodec/qdrw.c Normal file
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@ -0,0 +1,153 @@
/*
* QuickDraw (qdrw) codec
* Copyright (c) 2004 Konstantin Shishkov
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/**
* @file qdrw.c
* Apple QuickDraw codec.
*/
#include "avcodec.h"
#include "mpegvideo.h"
typedef struct QdrawContext{
AVCodecContext *avctx;
AVFrame pic;
uint8_t palette[256*3];
} QdrawContext;
static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
QdrawContext * const a = avctx->priv_data;
AVFrame * const p= (AVFrame*)&a->pic;
uint8_t* outdata;
int colors;
int i;
/* special case for last picture */
if (buf_size == 0) {
return 0;
}
if(p->data[0])
avctx->release_buffer(avctx, p);
p->reference= 0;
if(avctx->get_buffer(avctx, p) < 0){
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
p->pict_type= I_TYPE;
p->key_frame= 1;
outdata = a->pic.data[0];
buf += 0x68; /* jump to palette */
colors = BE_32(buf);
buf += 4;
if(colors < 0 || colors > 256) {
av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors);
return -1;
}
for (i = 0; i <= colors; i++) {
int idx;
idx = BE_16(buf); /* color index */
buf += 2;
a->palette[idx * 3 + 0] = *buf++;
buf++;
a->palette[idx * 3 + 1] = *buf++;
buf++;
a->palette[idx * 3 + 2] = *buf++;
buf++;
}
if (colors)
a->pic.palette_has_changed = 1;
buf += 18; /* skip unneeded data */
for (i = 0; i < avctx->height; i++) {
int size, left, code, pix;
uint8_t *next;
uint8_t *out;
int tsize = 0;
/* decode line */
out = outdata;
size = BE_16(buf); /* size of packed line */
buf += 2;
left = size;
next = buf + size;
while (left > 0) {
code = *buf++;
if (code & 0x80 ) { /* run */
int i;
pix = *buf++;
for (i = 0; i < 257 - code; i++) {
*out++ = a->palette[pix * 3 + 0];
*out++ = a->palette[pix * 3 + 1];
*out++ = a->palette[pix * 3 + 2];
}
tsize += 257 - code;
left -= 2;
} else { /* copy */
int i, pix;
for (i = 0; i <= code; i++) {
pix = *buf++;
*out++ = a->palette[pix * 3 + 0];
*out++ = a->palette[pix * 3 + 1];
*out++ = a->palette[pix * 3 + 2];
}
left -= 2 + code;
tsize += code + 1;
}
}
buf = next;
outdata += a->pic.linesize[0];
}
*data_size = sizeof(AVFrame);
*(AVFrame*)data = a->pic;
return buf_size;
}
static int decode_init(AVCodecContext *avctx){
// QdrawContext * const a = avctx->priv_data;
avctx->pix_fmt= PIX_FMT_RGB24;
return 0;
}
AVCodec qdraw_decoder = {
"qdraw",
CODEC_TYPE_VIDEO,
CODEC_ID_QDRAW,
sizeof(QdrawContext),
decode_init,
NULL,
NULL,
decode_frame,
CODEC_CAP_DR1,
};

2
libavformat/Makefile
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@ -16,7 +16,7 @@ OBJS+=mpeg.o mpegts.o mpegtsenc.o ffm.o crc.o img.o img2.o raw.o rm.o \
avienc.o avidec.o wav.o swf.o au.o gif.o mov.o mpjpeg.o dv.o \
yuv4mpeg.o 4xm.o flvenc.o flvdec.o movenc.o psxstr.o idroq.o ipmovie.o \
nut.o wc3movie.o mp3.o westwood.o segafilm.o idcin.o flic.o \
sierravmd.o matroska.o
sierravmd.o matroska.o sol.o
ifeq ($(CONFIG_RISKY),yes)
OBJS+= asf.o

1
libavformat/allformats.c
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@ -98,6 +98,7 @@ void av_register_all(void)
nut_init();
matroska_init();
sol_init();
#ifdef CONFIG_ENCODERS
/* image formats */

3
libavformat/avformat.h
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@ -487,6 +487,9 @@ int vmd_init(void);
/* matroska.c */
int matroska_init(void);
/* sol.c */
int sol_init(void);
#include "rtp.h"
#include "rtsp.h"

1
libavformat/mov.c
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@ -115,6 +115,7 @@ static const CodecTag mov_video_tags[] = {
{ CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
{ CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
{ CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
{ CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
{ CODEC_ID_NONE, 0 },
};

166
libavformat/sol.c Normal file
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@ -0,0 +1,166 @@
/*
* Sierra SOL decoder
* Copyright Konstantin Shishkov.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Based on documents from Game Audio Player and own research
*/
#include "avformat.h"
#include "avi.h"
#include "bswap.h"
/* if we don't know the size in advance */
#define AU_UNKOWN_SIZE ((uint32_t)(~0))
static int sol_probe(AVProbeData *p)
{
/* check file header */
uint16_t magic;
if (p->buf_size <= 14)
return 0;
magic=le2me_16(*((uint16_t*)p->buf));
if ((magic == 0x0B8D || magic == 0x0C0D || magic == 0x0C8D) &&
p->buf[2] == 'S' && p->buf[3] == 'O' &&
p->buf[4] == 'L' && p->buf[5] == 0)
return AVPROBE_SCORE_MAX;
else
return 0;
}
#define SOL_DPCM 1
#define SOL_16BIT 4
#define SOL_STEREO 16
static int sol_codec_id(int magic, int type)
{
if (magic == 0x0B8D)
{
if (type & SOL_DPCM) return CODEC_ID_SOL_DPCM;
else return CODEC_ID_PCM_U8;
}
if (type & SOL_DPCM)
{
if (type & SOL_16BIT) return CODEC_ID_SOL_DPCM;
else if (magic == 0x0C8D) return CODEC_ID_SOL_DPCM;
else return CODEC_ID_SOL_DPCM;
}
if (type & SOL_16BIT) return CODEC_ID_PCM_S16LE;
return CODEC_ID_PCM_U8;
}
static int sol_codec_type(int magic, int type)
{
if (magic == 0x0B8D) return 1;//SOL_DPCM_OLD;
if (type & SOL_DPCM)
{
if (type & SOL_16BIT) return 3;//SOL_DPCM_NEW16;
else if (magic == 0x0C8D) return 1;//SOL_DPCM_OLD;
else return 2;//SOL_DPCM_NEW8;
}
return -1;
}
static int sol_channels(int magic, int type)
{
if (magic == 0x0B8D || !(type & SOL_STEREO)) return 1;
return 2;
}
static int sol_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
int size;
unsigned int magic,tag;
ByteIOContext *pb = &s->pb;
unsigned int id, codec, channels, rate, type;
AVStream *st;
/* check ".snd" header */
magic = get_le16(pb);
tag = get_le32(pb);
if (tag != MKTAG('S', 'O', 'L', 0))
return -1;
rate = get_le16(pb);
type = get_byte(pb);
size = get_le32(pb);
if (magic != 0x0B8D)
get_byte(pb); /* newer SOLs contain padding byte */
codec = sol_codec_id(magic, type);
channels = sol_channels(magic, type);
if (codec == CODEC_ID_SOL_DPCM)
id = sol_codec_type(magic, type);
else id = 0;
/* now we are ready: build format streams */
st = av_new_stream(s, 0);
if (!st)
return -1;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_tag = id;
st->codec.codec_id = codec;
st->codec.channels = channels;
st->codec.sample_rate = rate;
return 0;
}
#define MAX_SIZE 4096
static int sol_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
int ret;
if (url_feof(&s->pb))
return -EIO;
if (av_new_packet(pkt, MAX_SIZE))
return -EIO;
pkt->stream_index = 0;
ret = get_buffer(&s->pb, pkt->data, pkt->size);
if (ret < 0)
av_free_packet(pkt);
/* note: we need to modify the packet size here to handle the last
packet */
pkt->size = ret;
return 0;
}
static int sol_read_close(AVFormatContext *s)
{
return 0;
}
static AVInputFormat sol_iformat = {
"sol",
"Sierra SOL Format",
0,
sol_probe,
sol_read_header,
sol_read_packet,
sol_read_close,
pcm_read_seek,
};
int sol_init(void)
{
av_register_input_format(&sol_iformat);
return 0;
}