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Merge remote-tracking branch 'newdev/master'

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* newdev/master:
  ac3enc: avoid memcpy() of exponents and baps in EXP_REUSE case by using exponent reference blocks.
  Chronomaster DFA decoder
DUPLICATE:  framebuffer device demuxer
NOT MERGED: cosmetics: fix dashed line length after 070c5d0
  http: header field names are case insensitive

Conflicts:
	LICENSE
	README
	doc/indevs.texi
	libavdevice/fbdev.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-03-29 02:46:11 +02:00
commit 59bf303d68
15 changed files with 553 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Changelog
View File

@ -78,9 +78,10 @@ version <next>:
- movie source added
- Bink version 'b' audio and video decoder
- Bitmap Brothers JV playback system
- Linux framebuffer input device added
- Apple HTTP Live Streaming protocol handler
- sndio support for playback and record
- Linux framebuffer input device added
- Chronomaster DFA decoder
version 0.6:

4
doc/general.texi
View File

@ -81,6 +81,8 @@ library:
@tab Audio format used in some games by CRYO Interactive Entertainment.
@item D-Cinema audio @tab X @tab X
@item Deluxe Paint Animation @tab @tab X
@item DFA @tab @tab X
@tab This format is used in Chronomaster game
@item DV video @tab X @tab X
@item DXA @tab @tab X
@tab This format is used in the non-Windows version of the Feeble Files
@ -371,6 +373,8 @@ following image formats are supported:
@item Cirrus Logic AccuPak @tab @tab X
@tab fourcc: CLJR
@item Creative YUV (CYUV) @tab @tab X
@item DFA @tab @tab X
@tab Codec used in Chronomaster game.
@item Dirac @tab E @tab E
@tab supported through external libdirac/libschroedinger libraries
@item Deluxe Paint Animation @tab @tab X

2
doc/indevs.texi
View File

@ -71,7 +71,7 @@ console. It is accessed through a file device node, usually
For more detailed information read the file
Documentation/fb/framebuffer.txt included in the Linux source tree.
For example, to record from the framebuffer device @file{/dev/fb0} with
To record from the framebuffer device @file{/dev/fb0} with
@file{ffmpeg}:
@example
ffmpeg -f fbdev -r 10 -i /dev/fb0 out.avi

1
libavcodec/Makefile
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@ -104,6 +104,7 @@ OBJS-$(CONFIG_COOK_DECODER) += cook.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dca.o synth_filter.o dcadsp.o
OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o \
mpegvideo_enc.o motion_est.o \

34
libavcodec/ac3enc.c
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@ -112,6 +112,7 @@ typedef struct AC3Block {
uint8_t coeff_shift[AC3_MAX_CHANNELS]; ///< fixed-point coefficient shift values
uint8_t new_rematrixing_strategy; ///< send new rematrixing flags in this block
uint8_t rematrixing_flags[4]; ///< rematrixing flags
struct AC3Block *exp_ref_block[AC3_MAX_CHANNELS]; ///< reference blocks for EXP_REUSE
} AC3Block;
/**
@ -692,7 +693,7 @@ static void encode_exponents_blk_ch(uint8_t *exp, int nb_exps, int exp_strategy)
static void encode_exponents(AC3EncodeContext *s)
{
int blk, blk1, ch;
uint8_t *exp, *exp1, *exp_strategy;
uint8_t *exp, *exp_strategy;
int nb_coefs, num_reuse_blocks;
for (ch = 0; ch < s->channels; ch++) {
@ -704,9 +705,13 @@ static void encode_exponents(AC3EncodeContext *s)
while (blk < AC3_MAX_BLOCKS) {
blk1 = blk + 1;
/* count the number of EXP_REUSE blocks after the current block */
while (blk1 < AC3_MAX_BLOCKS && exp_strategy[blk1] == EXP_REUSE)
/* count the number of EXP_REUSE blocks after the current block
and set exponent reference block pointers */
s->blocks[blk].exp_ref_block[ch] = &s->blocks[blk];
while (blk1 < AC3_MAX_BLOCKS && exp_strategy[blk1] == EXP_REUSE) {
s->blocks[blk1].exp_ref_block[ch] = &s->blocks[blk];
blk1++;
}
num_reuse_blocks = blk1 - blk - 1;
/* for the EXP_REUSE case we select the min of the exponents */
@ -714,15 +719,8 @@ static void encode_exponents(AC3EncodeContext *s)
encode_exponents_blk_ch(exp, nb_coefs, exp_strategy[blk]);
/* copy encoded exponents for reuse case */
exp1 = exp + AC3_MAX_COEFS;
while (blk < blk1-1) {
memcpy(exp1, exp, nb_coefs * sizeof(*exp));
exp1 += AC3_MAX_COEFS;
blk++;
}
exp += AC3_MAX_COEFS * (num_reuse_blocks + 1);
blk = blk1;
exp = exp1;
}
}
}
@ -1035,7 +1033,7 @@ static int bit_alloc(AC3EncodeContext *s, int snr_offset)
reset_block_bap(s);
mantissa_bits = 0;
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];
AC3Block *block;
// initialize grouped mantissa counts. these are set so that they are
// padded to the next whole group size when bits are counted in
// compute_mantissa_size_final
@ -1047,9 +1045,8 @@ static int bit_alloc(AC3EncodeContext *s, int snr_offset)
blocks within a frame are the exponent values. We can take
advantage of that by reusing the bit allocation pointers
whenever we reuse exponents. */
if (s->exp_strategy[ch][blk] == EXP_REUSE) {
memcpy(block->bap[ch], s->blocks[blk-1].bap[ch], AC3_MAX_COEFS);
} else {
block = s->blocks[blk].exp_ref_block[ch];
if (s->exp_strategy[ch][blk] != EXP_REUSE) {
ff_ac3_bit_alloc_calc_bap(block->mask[ch], block->psd[ch], 0,
s->nb_coefs[ch], snr_offset,
s->bit_alloc.floor, ff_ac3_bap_tab,
@ -1352,12 +1349,14 @@ static void quantize_mantissas(AC3EncodeContext *s)
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];
AC3Block *ref_block;
s->mant1_cnt = s->mant2_cnt = s->mant4_cnt = 0;
s->qmant1_ptr = s->qmant2_ptr = s->qmant4_ptr = NULL;
for (ch = 0; ch < s->channels; ch++) {
ref_block = block->exp_ref_block[ch];
quantize_mantissas_blk_ch(s, block->fixed_coef[ch],
block->exp[ch], block->bap[ch],
ref_block->exp[ch], ref_block->bap[ch],
block->qmant[ch], s->nb_coefs[ch]);
}
}
@ -1516,9 +1515,10 @@ static void output_audio_block(AC3EncodeContext *s, int blk)
/* mantissas */
for (ch = 0; ch < s->channels; ch++) {
int b, q;
AC3Block *ref_block = block->exp_ref_block[ch];
for (i = 0; i < s->nb_coefs[ch]; i++) {
q = block->qmant[ch][i];
b = block->bap[ch][i];
b = ref_block->bap[ch][i];
switch (b) {
case 0: break;
case 1: if (q != 128) put_bits(&s->pb, 5, q); break;

1
libavcodec/allcodecs.c
View File

@ -88,6 +88,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (CLJR, cljr);
REGISTER_DECODER (CSCD, cscd);
REGISTER_DECODER (CYUV, cyuv);
REGISTER_DECODER (DFA, dfa);
REGISTER_ENCDEC (DNXHD, dnxhd);
REGISTER_DECODER (DPX, dpx);
REGISTER_DECODER (DSICINVIDEO, dsicinvideo);

1
libavcodec/avcodec.h
View File

@ -212,6 +212,7 @@ enum CodecID {
CODEC_ID_LAGARITH,
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,

395
libavcodec/dfa.c Normal file
View File

@ -0,0 +1,395 @@
/*
* Chronomaster DFA Video Decoder
* Copyright (c) 2011 Konstantin Shishkov
* based on work by Vladimir "VAG" Gneushev
*
* 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
*/
#include "avcodec.h"
#include "libavutil/intreadwrite.h"
#include "bytestream.h"
#include "libavutil/lzo.h" // for av_memcpy_backptr
typedef struct DfaContext {
AVFrame pic;
uint32_t pal[256];
uint8_t *frame_buf;
} DfaContext;
static av_cold int dfa_decode_init(AVCodecContext *avctx)
{
DfaContext *s = avctx->priv_data;
avctx->pix_fmt = PIX_FMT_PAL8;
s->frame_buf = av_mallocz(avctx->width * avctx->height + AV_LZO_OUTPUT_PADDING);
if (!s->frame_buf)
return AVERROR(ENOMEM);
return 0;
}
static int decode_copy(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const int size = width * height;
if (src_end - src < size)
return -1;
bytestream_get_buffer(&src, frame, size);
return 0;
}
static int decode_tsw1(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_start = frame;
const uint8_t *frame_end = frame + width * height;
int mask = 0x10000, bitbuf = 0;
int v, offset, count, segments;
segments = bytestream_get_le32(&src);
frame += bytestream_get_le32(&src);
if (frame < frame_start || frame > frame_end)
return -1;
while (segments--) {
if (mask == 0x10000) {
if (src >= src_end)
return -1;
bitbuf = bytestream_get_le16(&src);
mask = 1;
}
if (src_end - src < 2 || frame_end - frame < 2)
return -1;
if (bitbuf & mask) {
v = bytestream_get_le16(&src);
offset = (v & 0x1FFF) << 1;
count = ((v >> 13) + 2) << 1;
if (frame - offset < frame_start || frame_end - frame < count)
return -1;
av_memcpy_backptr(frame, offset, count);
frame += count;
} else {
*frame++ = *src++;
*frame++ = *src++;
}
mask <<= 1;
}
return 0;
}
static int decode_dsw1(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_start = frame;
const uint8_t *frame_end = frame + width * height;
int mask = 0x10000, bitbuf = 0;
int v, offset, count, segments;
segments = bytestream_get_le16(&src);
while (segments--) {
if (mask == 0x10000) {
if (src >= src_end)
return -1;
bitbuf = bytestream_get_le16(&src);
mask = 1;
}
if (src_end - src < 2 || frame_end - frame < 2)
return -1;
if (bitbuf & mask) {
v = bytestream_get_le16(&src);
offset = (v & 0x1FFF) << 1;
count = ((v >> 13) + 2) << 1;
if (frame - offset < frame_start || frame_end - frame < count)
return -1;
// can't use av_memcpy_backptr() since it can overwrite following pixels
for (v = 0; v < count; v++)
frame[v] = frame[v - offset];
frame += count;
} else if (bitbuf & (mask << 1)) {
frame += bytestream_get_le16(&src);
} else {
*frame++ = *src++;
*frame++ = *src++;
}
mask <<= 2;
}
return 0;
}
static int decode_dds1(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_start = frame;
const uint8_t *frame_end = frame + width * height;
int mask = 0x10000, bitbuf = 0;
int i, v, offset, count, segments;
segments = bytestream_get_le16(&src);
while (segments--) {
if (mask == 0x10000) {
if (src >= src_end)
return -1;
bitbuf = bytestream_get_le16(&src);
mask = 1;
}
if (src_end - src < 2 || frame_end - frame < 2)
return -1;
if (bitbuf & mask) {
v = bytestream_get_le16(&src);
offset = (v & 0x1FFF) << 2;
count = ((v >> 13) + 2) << 1;
if (frame - offset < frame_start || frame_end - frame < count*2 + width)
return -1;
for (i = 0; i < count; i++) {
frame[0] = frame[1] =
frame[width] = frame[width + 1] = frame[-offset];
frame += 2;
}
} else if (bitbuf & (mask << 1)) {
frame += bytestream_get_le16(&src) * 2;
} else {
frame[0] = frame[1] =
frame[width] = frame[width + 1] = *src++;
frame += 2;
frame[0] = frame[1] =
frame[width] = frame[width + 1] = *src++;
frame += 2;
}
mask <<= 2;
}
return 0;
}
static int decode_bdlt(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_end = frame + width * height;
uint8_t *line_ptr;
int count, lines, segments;
count = bytestream_get_le16(&src);
if (count >= height || width * count < 0)
return -1;
frame += width * count;
lines = bytestream_get_le16(&src);
if (frame + lines * width > frame_end || src >= src_end)
return -1;
while (lines--) {
line_ptr = frame;
frame += width;
segments = *src++;
while (segments--) {
if (src_end - src < 3)
return -1;
line_ptr += *src++;
if (line_ptr >= frame)
return -1;
count = (int8_t)*src++;
if (count >= 0) {
if (line_ptr + count > frame || src_end - src < count)
return -1;
bytestream_get_buffer(&src, line_ptr, count);
} else {
count = -count;
if (line_ptr + count > frame || src >= src_end)
return -1;
memset(line_ptr, *src++, count);
}
line_ptr += count;
}
}
return 0;
}
static int decode_wdlt(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_end = frame + width * height;
uint8_t *line_ptr;
int count, i, v, lines, segments;
lines = bytestream_get_le16(&src);
if (frame + lines * width > frame_end || src >= src_end)
return -1;
while (lines--) {
segments = bytestream_get_le16(&src);
while ((segments & 0xC000) == 0xC000) {
frame -= (int16_t)segments * width;
if (frame >= frame_end)
return -1;
segments = bytestream_get_le16(&src);
}
if (segments & 0x8000) {
frame[width - 1] = segments & 0xFF;
segments = bytestream_get_le16(&src);
}
line_ptr = frame;
frame += width;
while (segments--) {
if (src_end - src < 2)
return -1;
line_ptr += *src++;
if (line_ptr >= frame)
return -1;
count = (int8_t)*src++;
if (count >= 0) {
if (line_ptr + count*2 > frame || src_end - src < count*2)
return -1;
bytestream_get_buffer(&src, line_ptr, count*2);
line_ptr += count * 2;
} else {
count = -count;
if (line_ptr + count*2 > frame || src_end - src < 2)
return -1;
v = bytestream_get_le16(&src);
for (i = 0; i < count; i++)
bytestream_put_le16(&line_ptr, v);
}
}
}
return 0;
}
static int decode_unk6(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
return -1;
}
static int decode_blck(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
memset(frame, 0, width * height);
return 0;
}
typedef int (*chunk_decoder)(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end);
static const chunk_decoder decoder[8] = {
decode_copy, decode_tsw1, decode_bdlt, decode_wdlt,
decode_unk6, decode_dsw1, decode_blck, decode_dds1,
};
static const char* chunk_name[8] = {
"COPY", "TSW1", "BDLT", "WDLT", "????", "DSW1", "BLCK", "DDS1"
};
static int dfa_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
DfaContext *s = avctx->priv_data;
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = avpkt->data + avpkt->size;
const uint8_t *tmp_buf;
uint32_t chunk_type, chunk_size;
uint8_t *dst;
int ret;
int i, pal_elems;
if (s->pic.data[0])
avctx->release_buffer(avctx, &s->pic);
if ((ret = avctx->get_buffer(avctx, &s->pic))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
while (buf < buf_end) {
chunk_size = AV_RL32(buf + 4);
chunk_type = AV_RL32(buf + 8);
buf += 12;
if (buf_end - buf < chunk_size) {
av_log(avctx, AV_LOG_ERROR, "Chunk size is too big (%d bytes)\n", chunk_size);
return -1;
}
if (!chunk_type)
break;
if (chunk_type == 1) {
pal_elems = FFMIN(chunk_size / 3, 256);
tmp_buf = buf;
for (i = 0; i < pal_elems; i++) {
s->pal[i] = bytestream_get_be24(&tmp_buf) << 2;
s->pal[i] |= (s->pal[i] >> 6) & 0x333;
}
s->pic.palette_has_changed = 1;
} else if (chunk_type <= 9) {
if (decoder[chunk_type - 2](s->frame_buf, avctx->width, avctx->height,
buf, buf + chunk_size)) {
av_log(avctx, AV_LOG_ERROR, "Error decoding %s chunk\n",
chunk_name[chunk_type - 2]);
return -1;
}
} else {
av_log(avctx, AV_LOG_WARNING, "Ignoring unknown chunk type %d\n",
chunk_type);
}
buf += chunk_size;
}
buf = s->frame_buf;
dst = s->pic.data[0];
for (i = 0; i < avctx->height; i++) {
memcpy(dst, buf, avctx->width);
dst += s->pic.linesize[0];
buf += avctx->width;
}
memcpy(s->pic.data[1], s->pal, sizeof(s->pal));
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->pic;
return avpkt->size;
}
static av_cold int dfa_decode_end(AVCodecContext *avctx)
{
DfaContext *s = avctx->priv_data;
if (s->pic.data[0])
avctx->release_buffer(avctx, &s->pic);
av_freep(&s->frame_buf);
return 0;
}
AVCodec ff_dfa_decoder = {
"dfa",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_DFA,
sizeof(DfaContext),
dfa_decode_init,
NULL,
dfa_decode_end,
dfa_decode_frame,
CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
};

2
libavdevice/avdevice.h
View File

@ -22,7 +22,7 @@
#include "libavutil/avutil.h"
#define LIBAVDEVICE_VERSION_MAJOR 52
#define LIBAVDEVICE_VERSION_MINOR 3
#define LIBAVDEVICE_VERSION_MINOR 4
#define LIBAVDEVICE_VERSION_MICRO 0
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \

3
libavdevice/fbdev.c
View File

@ -57,8 +57,7 @@ static struct rgb_pixfmt_map_entry rgb_pixfmt_map[] = {
{ 24, 16, 8, 0, 0, PIX_FMT_BGR24 },
};
static enum PixelFormat
get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo)
static enum PixelFormat get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo)
{
int i;

1
libavformat/Makefile
View File

@ -55,6 +55,7 @@ OBJS-$(CONFIG_CDG_DEMUXER) += cdg.o
OBJS-$(CONFIG_CRC_MUXER) += crcenc.o
OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o
OBJS-$(CONFIG_DAUD_MUXER) += daud.o
OBJS-$(CONFIG_DFA_DEMUXER) += dfa.o
OBJS-$(CONFIG_DIRAC_DEMUXER) += diracdec.o rawdec.o
OBJS-$(CONFIG_DIRAC_MUXER) += rawenc.o
OBJS-$(CONFIG_DNXHD_DEMUXER) += dnxhddec.o rawdec.o

1
libavformat/allformats.c
View File

@ -75,6 +75,7 @@ void av_register_all(void)
REGISTER_DEMUXER (CDG, cdg);
REGISTER_MUXER (CRC, crc);
REGISTER_MUXDEMUX (DAUD, daud);
REGISTER_DEMUXER (DFA, dfa);
REGISTER_MUXDEMUX (DIRAC, dirac);
REGISTER_MUXDEMUX (DNXHD, dnxhd);
REGISTER_DEMUXER (DSICIN, dsicin);

119
libavformat/dfa.c Normal file
View File

@ -0,0 +1,119 @@
/*
* Chronomaster DFA Format Demuxer
* Copyright (c) 2011 Konstantin Shishkov
*
* 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
*/
#include "libavutil/intreadwrite.h"
#include "avformat.h"
static int dfa_probe(AVProbeData *p)
{
if (p->buf_size < 4 || AV_RL32(p->buf) != MKTAG('D', 'F', 'I', 'A'))
return 0;
return AVPROBE_SCORE_MAX;
}
static int dfa_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AVIOContext *pb = s->pb;
AVStream *st;
int frames;
uint32_t mspf;
if (avio_rl32(pb) != MKTAG('D', 'F', 'I', 'A')) {
av_log(s, AV_LOG_ERROR, "Invalid magic for DFA\n");
return AVERROR_INVALIDDATA;
}
avio_skip(pb, 2); // unused
frames = avio_rl16(pb);
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_DFA;
st->codec->width = avio_rl16(pb);
st->codec->height = avio_rl16(pb);
mspf = avio_rl32(pb);
if (!mspf) {
av_log(s, AV_LOG_WARNING, "Zero FPS reported, defaulting to 10\n");
mspf = 100;
}
av_set_pts_info(st, 24, mspf, 1000);
avio_skip(pb, 128 - 16); // padding
st->duration = frames;
return 0;
}
static int dfa_read_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIOContext *pb = s->pb;
uint32_t frame_size;
int ret, first = 1;
if (pb->eof_reached)
return AVERROR_EOF;
if (av_get_packet(pb, pkt, 12) != 12)
return AVERROR(EIO);
while (!pb->eof_reached) {
if (!first) {
ret = av_append_packet(pb, pkt, 12);
if (ret < 0) {
av_free_packet(pkt);
return ret;
}
} else
first = 0;
frame_size = AV_RL32(pkt->data + pkt->size - 8);
if (frame_size > INT_MAX - 4) {
av_log(s, AV_LOG_ERROR, "Too large chunk size: %d\n", frame_size);
return AVERROR(EIO);
}
if (AV_RL32(pkt->data + pkt->size - 12) == MKTAG('E', 'O', 'F', 'R')) {
if (frame_size) {
av_log(s, AV_LOG_WARNING, "skipping %d bytes of end-of-frame marker chunk\n",
frame_size);
avio_skip(pb, frame_size);
}
return 0;
}
ret = av_append_packet(pb, pkt, frame_size);
if (ret < 0) {
av_free_packet(pkt);
return ret;
}
}
return 0;
}
AVInputFormat ff_dfa_demuxer = {
"dfa",
NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
0,
dfa_probe,
dfa_read_header,
dfa_read_packet,
.flags = AVFMT_GENERIC_INDEX,
};

14
libavformat/http.c
View File

@ -246,12 +246,12 @@ static int process_line(URLContext *h, char *line, int line_count,
p++;
while (isspace(*p))
p++;
if (!strcmp(tag, "Location")) {
if (!strcasecmp(tag, "Location")) {
strcpy(s->location, p);
*new_location = 1;
} else if (!strcmp (tag, "Content-Length") && s->filesize == -1) {
} else if (!strcasecmp (tag, "Content-Length") && s->filesize == -1) {
s->filesize = atoll(p);
} else if (!strcmp (tag, "Content-Range")) {
} else if (!strcasecmp (tag, "Content-Range")) {
/* "bytes $from-$to/$document_size" */
const char *slash;
if (!strncmp (p, "bytes ", 6)) {
@ -261,14 +261,14 @@ static int process_line(URLContext *h, char *line, int line_count,
s->filesize = atoll(slash+1);
}
h->is_streamed = 0; /* we _can_ in fact seek */
} else if (!strcmp (tag, "Transfer-Encoding") && !strncasecmp(p, "chunked", 7)) {
} else if (!strcasecmp (tag, "Transfer-Encoding") && !strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
s->chunksize = 0;
} else if (!strcmp (tag, "WWW-Authenticate")) {
} else if (!strcasecmp (tag, "WWW-Authenticate")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!strcmp (tag, "Authentication-Info")) {
} else if (!strcasecmp (tag, "Authentication-Info")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
} else if (!strcmp (tag, "Connection")) {
} else if (!strcasecmp (tag, "Connection")) {
if (!strcmp(p, "close"))
s->willclose = 1;
}

2
libavformat/version.h
View File

@ -24,7 +24,7 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 52
#define LIBAVFORMAT_VERSION_MINOR 103
#define LIBAVFORMAT_VERSION_MINOR 104
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \