Originally committed as revision 5232 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
@@ -9,6 +9,7 @@ BERO | |||
Mario Brito | |||
Ronald Bultje | |||
Maarten Daniels | |||
Reimar Doeffinger | |||
Tim Ferguson | |||
Brian Foley | |||
Arpad Gereoffy | |||
@@ -42,6 +42,7 @@ version <next> | |||
- True Audio (TTA) decoder | |||
- AVS demuxer and video decoder | |||
- Smacker demuxer and decoder | |||
- NuppelVideo/MythTV demuxer and RTjpeg decoder | |||
version 0.4.9-pre1: | |||
@@ -134,6 +134,7 @@ Codecs: | |||
msmpeg4.c, msmpeg4data.h Michael Niedermayer | |||
msrle.c Mike Melanson | |||
msvideo1.c Mike Melanson | |||
nuv.c Reimar Doeffinger | |||
oggtheora.c Mans Rullgard | |||
qdm2.c, qdm2data.h Roberto Togni | |||
qdrw.c Kostya Shishkov | |||
@@ -142,6 +143,7 @@ Codecs: | |||
ra144.c, ra144.h, ra288.c, ra288.h Roberto Togni | |||
resample2.c Michael Niedermayer | |||
rpza.c Roberto Togni | |||
rtjpeg.c, rtjpeg.h Reimar Doeffinger | |||
rv10.c Michael Niedermayer | |||
smc.c Mike Melanson | |||
snow.c Michael Niedermayer, Loren Merritt | |||
@@ -191,6 +193,7 @@ Muxers/Demuxers: | |||
mpegts* Mans Rullgard | |||
nsvdec.c Francois Revol | |||
nut.c Alex Beregszaszi | |||
nuv.c Reimar Doeffinger | |||
ogg2.c, ogg2.h Mans Rullgard | |||
oggparsevorbis.c Mans Rullgard | |||
psxstr.c Mike Melanson | |||
@@ -799,6 +799,7 @@ following image formats are supported: | |||
@item ZMBV @tab @tab X @tab | |||
@item AVS Video @tab @tab X @tab Video encoding used by the Creature Shock game. | |||
@item Smacker Video @tab @tab X @tab Video encoding used in Smacker. | |||
@item RTjpeg @tab @tab X @tab Video encoding used in NuppelVideo files. | |||
@end multitable | |||
@code{X} means that encoding (resp. decoding) is supported. | |||
@@ -180,6 +180,11 @@ ifeq ($(CONFIG_CSCD_DECODER),yes) | |||
OBJS+= cscd.o | |||
OBJS+= lzo.o | |||
endif | |||
ifeq ($(CONFIG_NUV_DECODER),yes) | |||
OBJS+= nuv.o | |||
OBJS+= rtjpeg.o | |||
OBJS+= lzo.o | |||
endif | |||
ifeq ($(CONFIG_ULTI_DECODER),yes) | |||
OBJS+= ulti.o | |||
endif | |||
@@ -267,6 +267,9 @@ void avcodec_register_all(void) | |||
#ifdef CONFIG_CSCD_DECODER | |||
register_avcodec(&cscd_decoder); | |||
#endif //CONFIG_CSCD_DECODER | |||
#ifdef CONFIG_NUV_DECODER | |||
register_avcodec(&nuv_decoder); | |||
#endif //CONFIG_NUV_DECODER | |||
#ifdef CONFIG_ULTI_DECODER | |||
register_avcodec(&ulti_decoder); | |||
#endif //CONFIG_ULTI_DECODER | |||
@@ -119,6 +119,7 @@ enum CodecID { | |||
CODEC_ID_ZMBV, | |||
CODEC_ID_AVS, | |||
CODEC_ID_SMACKVIDEO, | |||
CODEC_ID_NUV, | |||
/* various pcm "codecs" */ | |||
CODEC_ID_PCM_S16LE= 0x10000, | |||
@@ -2221,6 +2222,7 @@ extern AVCodec qtrle_decoder; | |||
extern AVCodec flac_decoder; | |||
extern AVCodec tscc_decoder; | |||
extern AVCodec cscd_decoder; | |||
extern AVCodec nuv_decoder; | |||
extern AVCodec ulti_decoder; | |||
extern AVCodec qdraw_decoder; | |||
extern AVCodec xl_decoder; | |||
@@ -0,0 +1,214 @@ | |||
/* | |||
* NuppelVideo decoder | |||
* Copyright (c) 2006 Reimar Doeffinger | |||
* | |||
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
*/ | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include "common.h" | |||
#include "avcodec.h" | |||
#include "bswap.h" | |||
#include "dsputil.h" | |||
#include "lzo.h" | |||
#include "rtjpeg.h" | |||
typedef struct { | |||
AVFrame pic; | |||
int width, height; | |||
unsigned int decomp_size; | |||
unsigned char* decomp_buf; | |||
uint32_t lq[64], cq[64]; | |||
RTJpegContext rtj; | |||
DSPContext dsp; | |||
} NuvContext; | |||
/** | |||
* \brief copy frame data from buffer to AVFrame, handling stride. | |||
* \param f destination AVFrame | |||
* \param src source buffer, does not use any line-stride | |||
* \param width width of the video frame | |||
* \param height height of the video frame | |||
*/ | |||
static void copy_frame(AVFrame *f, uint8_t *src, | |||
int width, int height) { | |||
AVPicture pic; | |||
avpicture_fill(&pic, src, PIX_FMT_YUV420P, width, height); | |||
img_copy((AVPicture *)f, &pic, PIX_FMT_YUV420P, width, height); | |||
} | |||
/** | |||
* \brief extract quantization tables from codec data into our context | |||
*/ | |||
static int get_quant(AVCodecContext *avctx, NuvContext *c, | |||
uint8_t *buf, int size) { | |||
int i; | |||
if (size < 2 * 64 * 4) { | |||
av_log(avctx, AV_LOG_ERROR, "insufficient rtjpeg quant data\n"); | |||
return -1; | |||
} | |||
for (i = 0; i < 64; i++, buf += 4) | |||
c->lq[i] = LE_32(buf); | |||
for (i = 0; i < 64; i++, buf += 4) | |||
c->cq[i] = LE_32(buf); | |||
return 0; | |||
} | |||
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, | |||
uint8_t *buf, int buf_size) { | |||
NuvContext *c = (NuvContext *)avctx->priv_data; | |||
AVFrame *picture = data; | |||
int orig_size = buf_size; | |||
enum {NUV_UNCOMPRESSED = '0', NUV_RTJPEG = '1', | |||
NUV_RTJPEG_IN_LZO = '2', NUV_LZO = '3', | |||
NUV_BLACK = 'N', NUV_COPY_LAST = 'L'} comptype; | |||
if (buf_size < 12) { | |||
av_log(avctx, AV_LOG_ERROR, "coded frame too small\n"); | |||
return -1; | |||
} | |||
if (c->pic.data[0]) | |||
avctx->release_buffer(avctx, &c->pic); | |||
c->pic.reference = 1; | |||
c->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_READABLE | | |||
FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; | |||
if (avctx->get_buffer(avctx, &c->pic) < 0) { | |||
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); | |||
return -1; | |||
} | |||
// codec data (rtjpeg quant tables) | |||
if (buf[0] == 'D' && buf[1] == 'R') { | |||
int ret; | |||
// skip rest of the frameheader. | |||
buf = &buf[12]; | |||
buf_size -= 12; | |||
ret = get_quant(avctx, c, buf, buf_size); | |||
if (ret < 0) | |||
return ret; | |||
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq); | |||
return orig_size; | |||
} | |||
if (buf[0] != 'V' || buf_size < 12) { | |||
av_log(avctx, AV_LOG_ERROR, "not a nuv video frame\n"); | |||
return -1; | |||
} | |||
comptype = buf[1]; | |||
// skip rest of the frameheader. | |||
buf = &buf[12]; | |||
buf_size -= 12; | |||
c->pic.pict_type = FF_I_TYPE; | |||
c->pic.key_frame = 1; | |||
// decompress/copy/whatever data | |||
switch (comptype) { | |||
case NUV_UNCOMPRESSED: { | |||
int height = c->height; | |||
if (buf_size < c->width * height * 3 / 2) { | |||
av_log(avctx, AV_LOG_ERROR, "uncompressed frame too short\n"); | |||
height = buf_size / c->width / 3 * 2; | |||
} | |||
copy_frame(&c->pic, buf, c->width, height); | |||
break; | |||
} | |||
case NUV_RTJPEG: { | |||
rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size); | |||
break; | |||
} | |||
case NUV_RTJPEG_IN_LZO: { | |||
int outlen = c->decomp_size, inlen = buf_size; | |||
if (lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) | |||
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n"); | |||
rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, c->decomp_buf, c->decomp_size); | |||
break; | |||
} | |||
case NUV_LZO: { | |||
int outlen = c->decomp_size, inlen = buf_size; | |||
if (lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) | |||
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n"); | |||
copy_frame(&c->pic, c->decomp_buf, c->width, c->height); | |||
break; | |||
} | |||
case NUV_BLACK: { | |||
memset(c->pic.data[0], 0, c->width * c->height); | |||
memset(c->pic.data[1], 128, c->width * c->height / 4); | |||
memset(c->pic.data[2], 128, c->width * c->height / 4); | |||
break; | |||
} | |||
case NUV_COPY_LAST: { | |||
c->pic.pict_type = FF_P_TYPE; | |||
c->pic.key_frame = 0; | |||
/* nothing more to do here */ | |||
break; | |||
} | |||
default: | |||
av_log(avctx, AV_LOG_ERROR, "unknown compression\n"); | |||
return -1; | |||
} | |||
*picture = c->pic; | |||
*data_size = sizeof(AVFrame); | |||
return orig_size; | |||
} | |||
static int decode_init(AVCodecContext *avctx) { | |||
NuvContext *c = (NuvContext *)avctx->priv_data; | |||
avctx->width = (avctx->width + 1) & ~1; | |||
avctx->height = (avctx->height + 1) & ~1; | |||
if (avcodec_check_dimensions(avctx, avctx->height, avctx->width) < 0) { | |||
return 1; | |||
} | |||
avctx->has_b_frames = 0; | |||
avctx->pix_fmt = PIX_FMT_YUV420P; | |||
c->pic.data[0] = NULL; | |||
c->width = avctx->width; | |||
c->height = avctx->height; | |||
c->decomp_size = c->height * c->width * 3 / 2; | |||
c->decomp_buf = av_malloc(c->decomp_size + LZO_OUTPUT_PADDING); | |||
if (!c->decomp_buf) { | |||
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n"); | |||
return 1; | |||
} | |||
dsputil_init(&c->dsp, avctx); | |||
if (avctx->extradata_size) | |||
get_quant(avctx, c, avctx->extradata, avctx->extradata_size); | |||
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq); | |||
return 0; | |||
} | |||
static int decode_end(AVCodecContext *avctx) { | |||
NuvContext *c = (NuvContext *)avctx->priv_data; | |||
av_freep(&c->decomp_buf); | |||
if (c->pic.data[0]) | |||
avctx->release_buffer(avctx, &c->pic); | |||
return 0; | |||
} | |||
AVCodec nuv_decoder = { | |||
"nuv", | |||
CODEC_TYPE_VIDEO, | |||
CODEC_ID_NUV, | |||
sizeof(NuvContext), | |||
decode_init, | |||
NULL, | |||
decode_end, | |||
decode_frame, | |||
CODEC_CAP_DR1, | |||
}; | |||
@@ -0,0 +1,162 @@ | |||
/* | |||
* RTJpeg decoding functions | |||
* Copyright (c) 2006 Reimar Doeffinger | |||
* | |||
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
*/ | |||
#include "common.h" | |||
#include "bitstream.h" | |||
#include "dsputil.h" | |||
#include "rtjpeg.h" | |||
#define PUT_COEFF(c) \ | |||
i = scan[coeff--]; \ | |||
block[i] = (c) * quant[i]; | |||
//! aligns the bitstream to the give power of two | |||
#define ALIGN(a) \ | |||
n = (-get_bits_count(gb)) & (a - 1); \ | |||
if (n) {skip_bits(gb, n);} | |||
/** | |||
* \brief read one block from stream | |||
* \param gb contains stream data | |||
* \param block where data is written to | |||
* \param scan array containing the mapping stream address -> block position | |||
* \param quant quantization factors | |||
* | |||
* Note: GetBitContext is used to make the code simpler, since all data is | |||
* aligned this could be done faster in a different way, e.g. as it is done | |||
* in MPlayer libmpcodecs/native/RTjpegN.c | |||
*/ | |||
static inline int get_block(GetBitContext *gb, DCTELEM *block, uint8_t *scan, | |||
uint32_t *quant) { | |||
int coeff, i, n; | |||
int8_t ac; | |||
uint8_t dc = get_bits(gb, 8); | |||
// block not coded | |||
if (dc == 255) | |||
return 0; | |||
// number of non-zero coefficients | |||
coeff = get_bits(gb, 6); | |||
// normally we would only need to clear the (63 - coeff) last values, | |||
// but since we do not know where they are we just clear the whole block | |||
memset(block, 0, 64 * sizeof(DCTELEM)); | |||
// 2 bits per coefficient | |||
while (coeff) { | |||
ac = get_sbits(gb, 2); | |||
if (ac == -2) | |||
break; // continue with more bits | |||
PUT_COEFF(ac); | |||
} | |||
// 4 bits per coefficient | |||
ALIGN(4); | |||
while (coeff) { | |||
ac = get_sbits(gb, 4); | |||
if (ac == -8) | |||
break; // continue with more bits | |||
PUT_COEFF(ac); | |||
} | |||
// 8 bits per coefficient | |||
ALIGN(8); | |||
while (coeff) { | |||
ac = get_sbits(gb, 8); | |||
PUT_COEFF(ac); | |||
} | |||
PUT_COEFF(dc); | |||
return 1; | |||
} | |||
/** | |||
* \brief decode one rtjpeg YUV420 frame | |||
* \param c context, must be initialized via rtjpeg_decode_init | |||
* \param f AVFrame to place decoded frame into. If parts of the frame | |||
* are not coded they are left unchanged, so consider initializing it | |||
* \param buf buffer containing input data | |||
* \param buf_size length of input data in bytes | |||
* \return number of bytes consumed from the input buffer | |||
*/ | |||
int rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f, | |||
uint8_t *buf, int buf_size) { | |||
GetBitContext gb; | |||
int w = c->w / 16, h = c->h / 16; | |||
int x, y; | |||
void *y1 = f->data[0], *y2 = f->data[0] + 8 * f->linesize[0]; | |||
void *u = f->data[1], *v = f->data[2]; | |||
init_get_bits(&gb, buf, buf_size * 8); | |||
for (y = 0; y < h; y++) { | |||
for (x = 0; x < w; x++) { | |||
if (get_block(&gb, c->block, c->scan, c->lquant)) | |||
c->dsp->idct_put(y1, f->linesize[0], c->block); | |||
y1 += 8; | |||
if (get_block(&gb, c->block, c->scan, c->lquant)) | |||
c->dsp->idct_put(y1, f->linesize[0], c->block); | |||
y1 += 8; | |||
if (get_block(&gb, c->block, c->scan, c->lquant)) | |||
c->dsp->idct_put(y2, f->linesize[0], c->block); | |||
y2 += 8; | |||
if (get_block(&gb, c->block, c->scan, c->lquant)) | |||
c->dsp->idct_put(y2, f->linesize[0], c->block); | |||
y2 += 8; | |||
if (get_block(&gb, c->block, c->scan, c->cquant)) | |||
c->dsp->idct_put(u, f->linesize[1], c->block); | |||
u += 8; | |||
if (get_block(&gb, c->block, c->scan, c->cquant)) | |||
c->dsp->idct_put(v, f->linesize[2], c->block); | |||
v += 8; | |||
} | |||
y1 += 2 * 8 * (f->linesize[0] - w); | |||
y2 += 2 * 8 * (f->linesize[0] - w); | |||
u += 8 * (f->linesize[1] - w); | |||
v += 8 * (f->linesize[2] - w); | |||
} | |||
return get_bits_count(&gb) / 8; | |||
} | |||
/** | |||
* \brief initialize an RTJpegContext, may be called multiple times | |||
* \param c context to initialize | |||
* \param dsp specifies the idct to use for decoding | |||
* \param width width of image, will be rounded down to the nearest multiple | |||
* of 16 for decoding | |||
* \param height height of image, will be rounded down to the nearest multiple | |||
* of 16 for decoding | |||
* \param lquant luma quantization table to use | |||
* \param cquant chroma quantization table to use | |||
*/ | |||
void rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp, | |||
int width, int height, | |||
uint32_t *lquant, uint32_t *cquant) { | |||
int i; | |||
c->dsp = dsp; | |||
for (i = 0; i < 64; i++) { | |||
int z = ff_zigzag_direct[i]; | |||
int p = c->dsp->idct_permutation[i]; | |||
z = ((z << 3) | (z >> 3)) & 63; // rtjpeg uses a transposed variant | |||
// permute the scan and quantization tables for the chosen idct | |||
c->scan[i] = c->dsp->idct_permutation[z]; | |||
c->lquant[p] = lquant[i]; | |||
c->cquant[p] = cquant[i]; | |||
} | |||
c->w = width; | |||
c->h = height; | |||
} |
@@ -0,0 +1,19 @@ | |||
#ifndef RTJPEG_H | |||
#define RTJPEG_H | |||
typedef struct { | |||
int w, h; | |||
DSPContext *dsp; | |||
DCTELEM block[64]; | |||
uint8_t scan[64]; | |||
uint32_t lquant[64]; | |||
uint32_t cquant[64]; | |||
} RTJpegContext; | |||
void rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp, | |||
int width, int height, | |||
uint32_t *lquant, uint32_t *cquant); | |||
int rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f, | |||
uint8_t *buf, int buf_size); | |||
#endif |
@@ -18,7 +18,7 @@ OBJS+=mpeg.o mpegts.o mpegtsenc.o ffm.o crc.o img.o img2.o raw.o rm.o \ | |||
nut.o wc3movie.o mp3.o westwood.o segafilm.o idcin.o flic.o \ | |||
sierravmd.o matroska.o sol.o electronicarts.o nsvdec.o asf.o \ | |||
ogg2.o oggparsevorbis.o oggparsetheora.o oggparseflac.o daud.o aiff.o \ | |||
voc.o tta.o mm.o avs.o smacker.o | |||
voc.o tta.o mm.o avs.o smacker.o nuv.o | |||
# muxers | |||
ifeq ($(CONFIG_MUXERS),yes) | |||
@@ -120,6 +120,7 @@ void av_register_all(void) | |||
voc_init(); | |||
tta_init(); | |||
avs_init(); | |||
nuv_init(); | |||
#ifdef CONFIG_MUXERS | |||
/* image formats */ | |||
@@ -549,6 +549,9 @@ int nsvdec_init(void); | |||
/* daud.c */ | |||
int daud_init(void); | |||
/* nuv.c */ | |||
int nuv_init(void); | |||
/* aiff.c */ | |||
int ff_aiff_init(void); | |||
@@ -0,0 +1,245 @@ | |||
/* | |||
* NuppelVideo demuxer. | |||
* Copyright (c) 2006 Reimar Doeffinger. | |||
* | |||
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
*/ | |||
#include "avformat.h" | |||
#include "avi.h" | |||
typedef struct { | |||
int v_id; | |||
int a_id; | |||
} NUVContext; | |||
typedef enum { | |||
NUV_VIDEO = 'V', | |||
NUV_EXTRADATA = 'D', | |||
NUV_AUDIO = 'A', | |||
NUV_SEEKP = 'R', | |||
NUV_MYTHEXT = 'X' | |||
} frametype_t; | |||
static int nuv_probe(AVProbeData *p) { | |||
if (p->buf_size < 12) | |||
return 0; | |||
if (!memcmp(p->buf, "NuppelVideo", 12)) | |||
return AVPROBE_SCORE_MAX; | |||
if (!memcmp(p->buf, "MythTVVideo", 12)) | |||
return AVPROBE_SCORE_MAX; | |||
return 0; | |||
} | |||
//! little macro to sanitize packet size | |||
#define PKTSIZE(s) (s & 0xffffff) | |||
/** | |||
* \brief read until we found all data needed for decoding | |||
* \param vst video stream of which to change parameters | |||
* \param ast video stream of which to change parameters | |||
* \param myth set if this is a MythTVVideo format file | |||
* \return 1 if all required codec data was found | |||
*/ | |||
static int get_codec_data(ByteIOContext *pb, AVStream *vst, | |||
AVStream *ast, int myth) { | |||
frametype_t frametype; | |||
if (!vst && !myth) | |||
return 1; // no codec data needed | |||
while (!url_feof(pb)) { | |||
int size, subtype; | |||
frametype = get_byte(pb); | |||
switch (frametype) { | |||
case NUV_EXTRADATA: | |||
subtype = get_byte(pb); | |||
url_fskip(pb, 6); | |||
size = PKTSIZE(get_le32(pb)); | |||
if (subtype == 'R') { | |||
vst->codec->extradata_size = size; | |||
vst->codec->extradata = av_malloc(size); | |||
get_buffer(pb, vst->codec->extradata, size); | |||
size = 0; | |||
if (!myth) | |||
return 1; | |||
} | |||
break; | |||
case NUV_MYTHEXT: | |||
url_fskip(pb, 7); | |||
size = PKTSIZE(get_le32(pb)); | |||
if (size != 128 * 4) | |||
break; | |||
get_le32(pb); // version | |||
if (vst) { | |||
vst->codec->codec_tag = get_le32(pb); | |||
vst->codec->codec_id = | |||
codec_get_id(codec_bmp_tags, vst->codec->codec_tag); | |||
} else | |||
url_fskip(pb, 4); | |||
if (ast) { | |||
ast->codec->codec_tag = get_le32(pb); | |||
ast->codec->sample_rate = get_le32(pb); | |||
ast->codec->bits_per_sample = get_le32(pb); | |||
ast->codec->channels = get_le32(pb); | |||
ast->codec->codec_id = | |||
wav_codec_get_id(ast->codec->codec_tag, | |||
ast->codec->bits_per_sample); | |||
} else | |||
url_fskip(pb, 4 * 4); | |||
size -= 6 * 4; | |||
url_fskip(pb, size); | |||
return 1; | |||
case NUV_SEEKP: | |||
size = 11; | |||
break; | |||
default: | |||
url_fskip(pb, 7); | |||
size = PKTSIZE(get_le32(pb)); | |||
break; | |||
} | |||
url_fskip(pb, size); | |||
} | |||
return 0; | |||
} | |||
static int nuv_header(AVFormatContext *s, AVFormatParameters *ap) { | |||
NUVContext *ctx = (NUVContext *)s->priv_data; | |||
ByteIOContext *pb = &s->pb; | |||
char id_string[12], version_string[5]; | |||
double aspect, fps; | |||
int is_mythtv, width, height, v_packs, a_packs; | |||
int stream_nr = 0; | |||
AVStream *vst = NULL, *ast = NULL; | |||
get_buffer(pb, id_string, 12); | |||
is_mythtv = !memcmp(id_string, "MythTVVideo", 12); | |||
get_buffer(pb, version_string, 5); | |||
url_fskip(pb, 3); // padding | |||
width = get_le32(pb); | |||
height = get_le32(pb); | |||
get_le32(pb); // unused, "desiredwidth" | |||
get_le32(pb); // unused, "desiredheight" | |||
get_byte(pb); // 'P' == progressive, 'I' == interlaced | |||
url_fskip(pb, 3); // padding | |||
aspect = av_int2dbl(get_le64(pb)); | |||
fps = av_int2dbl(get_le64(pb)); | |||
// number of packets per stream type, -1 means unknown, e.g. streaming | |||
v_packs = get_le32(pb); | |||
a_packs = get_le32(pb); | |||
get_le32(pb); // text | |||
get_le32(pb); // keyframe distance (?) | |||
if (v_packs) { | |||
ctx->v_id = stream_nr++; | |||
vst = av_new_stream(s, ctx->v_id); | |||
vst->codec->codec_type = CODEC_TYPE_VIDEO; | |||
vst->codec->codec_id = CODEC_ID_NUV; | |||
vst->codec->codec_tag = MKTAG('R', 'J', 'P', 'G'); | |||
vst->codec->width = width; | |||
vst->codec->height = height; | |||
vst->codec->bits_per_sample = 10; | |||
vst->codec->sample_aspect_ratio = av_d2q(aspect, 10000); | |||
vst->r_frame_rate = av_d2q(1.0 / fps, 10000); | |||
av_set_pts_info(vst, 32, 1, 1000); | |||
} else | |||
ctx->v_id = -1; | |||
if (a_packs) { | |||
ctx->a_id = stream_nr++; | |||
ast = av_new_stream(s, ctx->a_id); | |||
ast->codec->codec_type = CODEC_TYPE_AUDIO; | |||
ast->codec->codec_id = CODEC_ID_PCM_S16LE; | |||
ast->codec->channels = 2; | |||
ast->codec->sample_rate = 44100; | |||
ast->codec->bit_rate = 2 * 2 * 44100 * 8; | |||
ast->codec->block_align = 2 * 2; | |||
ast->codec->bits_per_sample = 16; | |||
av_set_pts_info(ast, 32, 1, 1000); | |||
} else | |||
ctx->a_id = -1; | |||
get_codec_data(pb, vst, ast, is_mythtv); | |||
return 0; | |||
} | |||
#define HDRSIZE 12 | |||
static int nuv_packet(AVFormatContext *s, AVPacket *pkt) { | |||
NUVContext *ctx = (NUVContext *)s->priv_data; | |||
ByteIOContext *pb = &s->pb; | |||
uint8_t hdr[HDRSIZE]; | |||
frametype_t frametype; | |||
int ret, size; | |||
while (!url_feof(pb)) { | |||
ret = get_buffer(pb, hdr, HDRSIZE); | |||
if (ret <= 0) | |||
return ret; | |||
frametype = hdr[0]; | |||
size = PKTSIZE(LE_32(&hdr[8])); | |||
switch (frametype) { | |||
case NUV_VIDEO: | |||
case NUV_EXTRADATA: | |||
if (ctx->v_id < 0) { | |||
av_log(s, AV_LOG_ERROR, "Video packet in file without video stream!\n"); | |||
url_fskip(pb, size); | |||
break; | |||
} | |||
ret = av_new_packet(pkt, HDRSIZE + size); | |||
if (ret < 0) | |||
return ret; | |||
pkt->pos = url_ftell(pb); | |||
pkt->pts = LE_32(&hdr[4]); | |||
pkt->stream_index = ctx->v_id; | |||
memcpy(pkt->data, hdr, HDRSIZE); | |||
ret = get_buffer(pb, pkt->data + HDRSIZE, size); | |||
return ret; | |||
case NUV_AUDIO: | |||
if (ctx->a_id < 0) { | |||
av_log(s, AV_LOG_ERROR, "Audio packet in file without audio stream!\n"); | |||
url_fskip(pb, size); | |||
break; | |||
} | |||
ret = av_get_packet(pb, pkt, size); | |||
pkt->pts = LE_32(&hdr[4]); | |||
pkt->stream_index = ctx->a_id; | |||
return ret; | |||
case NUV_SEEKP: | |||
// contains no data, size value is invalid | |||
break; | |||
default: | |||
url_fskip(pb, size); | |||
break; | |||
} | |||
} | |||
return AVERROR_IO; | |||
} | |||
static AVInputFormat nuv_iformat = { | |||
"nuv", | |||
"NuppelVideo format", | |||
sizeof(NUVContext), | |||
nuv_probe, | |||
nuv_header, | |||
nuv_packet, | |||
NULL, | |||
NULL, | |||
}; | |||
int nuv_init(void) { | |||
av_register_input_format(&nuv_iformat); | |||
return 0; | |||
} | |||
@@ -45,6 +45,10 @@ const CodecTag codec_wav_tags[] = { | |||
{ CODEC_ID_ADPCM_CT, 0x200 }, | |||
{ CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' }, | |||
{ CODEC_ID_TRUESPEECH, 0x22 }, | |||
// for NuppelVideo (nuv.c) | |||
{ CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') }, | |||
{ CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') }, | |||
{ 0, 0 }, | |||
}; | |||