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-rw-r--r--libavformat/riff.c131
1 files changed, 106 insertions, 25 deletions
diff --git a/libavformat/riff.c b/libavformat/riff.c
index eae1f644ca..7ad96a8a76 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -2,20 +2,20 @@
* RIFF common functions and data
* Copyright (c) 2000 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -25,9 +25,13 @@
#include "avio_internal.h"
#include "riff.h"
#include "libavcodec/bytestream.h"
+#include "libavutil/avassert.h"
/* Note: When encoding, the first matching tag is used, so order is
- * important if multiple tags are possible for a given codec. */
+ * important if multiple tags are possible for a given codec.
+ * Note also that this list is used for more than just riff, other
+ * files use it as well.
+ */
const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
{ AV_CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
@@ -35,7 +39,10 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
{ AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
{ AV_CODEC_ID_H264, MKTAG('D', 'A', 'V', 'C') },
+ { AV_CODEC_ID_H264, MKTAG('S', 'M', 'V', '2') },
{ AV_CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
+ { AV_CODEC_ID_H264, MKTAG('Q', '2', '6', '4') }, /* QNAP surveillance system */
+ { AV_CODEC_ID_H264, MKTAG('V', '2', '6', '4') },
{ AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
{ AV_CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
{ AV_CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
@@ -43,11 +50,11 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
{ AV_CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
{ AV_CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
+ { AV_CODEC_ID_H263, MKTAG('l', 's', 'v', 'm') },
{ AV_CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
{ AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* Intel H.263 */
{ AV_CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
- { AV_CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
- { AV_CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
+ { AV_CODEC_ID_H263, MKTAG('U', '2', '6', '3') },
{ AV_CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
@@ -94,8 +101,11 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
/* Samsung SHR-6040 */
{ AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') },
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'M', '4', 'V') },
{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('Q', 'M', 'P', '4') }, /* QNAP Systems */
+ { AV_CODEC_ID_MPEG4, MKTAG('P', 'L', 'V', '1') }, /* Pelco DVR MPEG-4 */
{ AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
{ AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
{ AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
@@ -112,6 +122,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
{ AV_CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
{ AV_CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
+ { AV_CODEC_ID_WMV2, MKTAG('G', 'X', 'V', 'E') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
@@ -127,6 +138,10 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'i', 's') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('p', 'd', 'v', 'c') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('S', 'L', '2', '5') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('S', 'L', 'D', 'V') },
{ AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
{ AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
@@ -146,6 +161,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
/* Matrox MPEG-2 intra-only */
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('B', 'W', '1', '0') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('X', 'M', 'P', 'G') }, /* Xing MPEG intra only */
{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
@@ -160,7 +177,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') },
{ AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
{ AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
- { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
+ { AV_CODEC_ID_AVRN, MKTAG('A', 'V', 'R', 'n') },
{ AV_CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
{ AV_CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
/* SL M-JPEG */
@@ -215,11 +232,16 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('a', 'u', 'v', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'Y', 'U') },
{ AV_CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
{ AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
{ AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
{ AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
+ { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') },
+ { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') },
+ { AV_CODEC_ID_AYUV, MKTAG('A', 'Y', 'U', 'V') },
{ AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') },
+ { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') },
{ AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
{ AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
{ AV_CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
@@ -253,8 +275,10 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
{ AV_CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
{ AV_CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
+ { AV_CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
{ AV_CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
{ AV_CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
+ { AV_CODEC_ID_FLV1, MKTAG('S', '2', '6', '3') },
{ AV_CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
{ AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
{ AV_CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
@@ -270,6 +294,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_VC1IMAGE, MKTAG('W', 'V', 'P', '2') },
{ AV_CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
{ AV_CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
+ { AV_CODEC_ID_WNV1, MKTAG('Y', 'U', 'V', '8') },
+ { AV_CODEC_ID_AASC, MKTAG('A', 'A', 'S', '4') },
{ AV_CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
{ AV_CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
{ AV_CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
@@ -283,6 +309,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
{ AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'C') },
{ AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'K') },
+ { AV_CODEC_ID_JPEG2000, MKTAG('I', 'P', 'J', '2') },
{ AV_CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
{ AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
{ AV_CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
@@ -298,13 +325,21 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
{ AV_CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
{ AV_CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
+ { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '2') },
+ { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '3') },
+ { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '4') },
+ { AV_CODEC_ID_AMV, MKTAG('A', 'M', 'V', 'F') },
{ AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'A') },
{ AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'G') },
{ AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '0') },
{ AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '2') },
{ AV_CODEC_ID_VBLE, MKTAG('V', 'B', 'L', 'E') },
+ { AV_CODEC_ID_ESCAPE130, MKTAG('E', '1', '3', '0') },
{ AV_CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') },
{ AV_CODEC_ID_ZEROCODEC, MKTAG('Z', 'E', 'C', 'O') },
+ { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') },
+ { AV_CODEC_ID_FLIC, MKTAG('A', 'F', 'L', 'C') },
+ { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') },
{ AV_CODEC_ID_MSS1, MKTAG('M', 'S', 'S', '1') },
{ AV_CODEC_ID_MSA1, MKTAG('M', 'S', 'A', '1') },
{ AV_CODEC_ID_TSCC2, MKTAG('T', 'S', 'C', '2') },
@@ -312,6 +347,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_CLLC, MKTAG('C', 'L', 'L', 'C') },
{ AV_CODEC_ID_MSS2, MKTAG('M', 'S', 'S', '2') },
{ AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
+ { AV_CODEC_ID_012V, MKTAG('0', '1', '2', 'v') },
+ { AV_CODEC_ID_012V, MKTAG('a', '1', '2', 'v') },
{ AV_CODEC_ID_NONE, 0 }
};
@@ -328,12 +365,16 @@ const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_PCM_ALAW, 0x0006 },
{ AV_CODEC_ID_PCM_MULAW, 0x0007 },
{ AV_CODEC_ID_WMAVOICE, 0x000A },
+ { AV_CODEC_ID_ADPCM_IMA_OKI, 0x0010 },
{ AV_CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
/* must come after adpcm_ima_wav in this list */
{ AV_CODEC_ID_PCM_ZORK, 0x0011 },
+ { AV_CODEC_ID_ADPCM_IMA_OKI, 0x0017 },
{ AV_CODEC_ID_ADPCM_YAMAHA, 0x0020 },
{ AV_CODEC_ID_TRUESPEECH, 0x0022 },
{ AV_CODEC_ID_GSM_MS, 0x0031 },
+ { AV_CODEC_ID_AMR_NB, 0x0038 }, /* rogue format number */
+ { AV_CODEC_ID_G723_1, 0x0042 },
{ AV_CODEC_ID_ADPCM_G726, 0x0045 },
{ AV_CODEC_ID_MP2, 0x0050 },
{ AV_CODEC_ID_MP3, 0x0055 },
@@ -363,9 +404,13 @@ const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_AAC_LATM, 0x1602 },
{ AV_CODEC_ID_AC3, 0x2000 },
{ AV_CODEC_ID_DTS, 0x2001 },
+ { AV_CODEC_ID_SONIC, 0x2048 },
+ { AV_CODEC_ID_SONIC_LS, 0x2048 },
{ AV_CODEC_ID_PCM_MULAW, 0x6c75 },
{ AV_CODEC_ID_AAC, 0x706d },
{ AV_CODEC_ID_AAC, 0x4143 },
+ { AV_CODEC_ID_G723_1, 0xA100 },
+ { AV_CODEC_ID_AAC, 0xA106 },
{ AV_CODEC_ID_SPEEX, 0xA109 },
{ AV_CODEC_ID_FLAC, 0xF1AC },
{ AV_CODEC_ID_ADPCM_SWF, ('S' << 8) + 'F' },
@@ -393,10 +438,18 @@ const AVMetadataConv ff_riff_info_conv[] = {
{ "IPRD", "album" },
{ "IPRT", "track" },
{ "ISFT", "encoder" },
+ { "ISMP", "timecode" },
{ "ITCH", "encoded_by" },
{ 0 },
};
+void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
+{
+ av_assert0(sizeof(*g) == 16); //compiler will optimize this out
+ if (avio_read(s, *g, sizeof(*g)) < (int)sizeof(*g))
+ memset(*g, 0, sizeof(*g));
+}
+
enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
{
int i;
@@ -418,10 +471,14 @@ void ff_end_tag(AVIOContext *pb, int64_t start)
{
int64_t pos;
+ av_assert0((start&1) == 0);
+
pos = avio_tell(pb);
+ if (pos & 1)
+ avio_w8(pb, 0);
avio_seek(pb, start - 4, SEEK_SET);
avio_wl32(pb, (uint32_t)(pos - start));
- avio_seek(pb, pos, SEEK_SET);
+ avio_seek(pb, FFALIGN(pos, 2), SEEK_SET);
}
/* WAVEFORMATEX header */
@@ -456,8 +513,10 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
avio_wl16(pb, enc->channels);
avio_wl32(pb, enc->sample_rate);
- if (enc->codec_id == AV_CODEC_ID_MP2 ||
- enc->codec_id == AV_CODEC_ID_MP3 ||
+ if (enc->codec_id == AV_CODEC_ID_ATRAC3 ||
+ enc->codec_id == AV_CODEC_ID_G723_1 ||
+ enc->codec_id == AV_CODEC_ID_MP2 ||
+ enc->codec_id == AV_CODEC_ID_MP3 ||
enc->codec_id == AV_CODEC_ID_GSM_MS) {
bps = 0;
} else {
@@ -483,6 +542,10 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
// blkalign = 144 * enc->bit_rate/enc->sample_rate;
} else if (enc->codec_id == AV_CODEC_ID_AC3) {
blkalign = 3840; /* maximum bytes per frame */
+ } else if (enc->codec_id == AV_CODEC_ID_AAC) {
+ blkalign = 768 * enc->channels; /* maximum bytes per frame */
+ } else if (enc->codec_id == AV_CODEC_ID_G723_1) {
+ blkalign = 24;
} else if (enc->block_align != 0) { /* specified by the codec */
blkalign = enc->block_align;
} else
@@ -494,6 +557,8 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
enc->codec_id == AV_CODEC_ID_PCM_F64LE ||
enc->codec_id == AV_CODEC_ID_PCM_S16LE) {
bytespersec = enc->sample_rate * blkalign;
+ } else if (enc->codec_id == AV_CODEC_ID_G723_1) {
+ bytespersec = 800;
} else {
bytespersec = enc->bit_rate / 8;
}
@@ -525,6 +590,11 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
bytestream_put_le32(&riff_extradata, 0);
/* dwPTSHigh */
bytestream_put_le32(&riff_extradata, 0);
+ } else if (enc->codec_id == AV_CODEC_ID_G723_1) {
+ hdrsize += 20;
+ bytestream_put_le32(&riff_extradata, 0x9ace0002); /* extradata needed for msacm g723.1 codec */
+ bytestream_put_le32(&riff_extradata, 0xaea2f732);
+ bytestream_put_le16(&riff_extradata, 0xacde);
} else if (enc->codec_id == AV_CODEC_ID_GSM_MS ||
enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
hdrsize += 2;
@@ -576,7 +646,7 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc,
avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24);
/* compression type */
avio_wl32(pb, enc->codec_tag);
- avio_wl32(pb, enc->width * enc->height * 3);
+ avio_wl32(pb, (enc->width * enc->height * (enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24)+7) / 8);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
@@ -636,7 +706,7 @@ void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str)
static const char riff_tags[][5] = {
"IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI",
"IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD",
- "IPRT", "ISBJ", "ISFT", "ISHP", "ISRC", "ISRF", "ITCH",
+ "IPRT", "ISBJ", "ISFT", "ISHP", "ISMP", "ISRC", "ISRF", "ITCH",
{ 0 }
};
@@ -686,7 +756,10 @@ void ff_riff_write_info(AVFormatContext *s)
static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
{
ff_asf_guid subformat;
- c->bits_per_coded_sample = avio_rl16(pb);
+ int bps = avio_rl16(pb);
+ if (bps)
+ c->bits_per_coded_sample = bps;
+
c->channel_layout = avio_rl32(pb); /* dwChannelMask */
ff_get_guid(pb, &subformat);
@@ -756,7 +829,7 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
codec->sample_rate = 0;
}
/* override bits_per_coded_sample for G.726 */
- if (codec->codec_id == AV_CODEC_ID_ADPCM_G726)
+ if (codec->codec_id == AV_CODEC_ID_ADPCM_G726 && codec->sample_rate)
codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
return 0;
@@ -779,10 +852,11 @@ enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
return id;
}
-int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
+int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize)
{
int tag1;
- avio_rl32(pb); /* size */
+ if(esize) *esize = avio_rl32(pb);
+ else avio_rl32(pb);
st->codec->width = avio_rl32(pb);
st->codec->height = (int32_t)avio_rl32(pb);
avio_rl16(pb); /* planes */
@@ -813,12 +887,23 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
chunk_code = avio_rl32(pb);
chunk_size = avio_rl32(pb);
-
+ if (url_feof(pb)) {
+ if (chunk_code || chunk_size) {
+ av_log(s, AV_LOG_WARNING, "INFO subchunk truncated\n");
+ return AVERROR_INVALIDDATA;
+ }
+ return AVERROR_EOF;
+ }
if (chunk_size > end ||
end - chunk_size < cur ||
chunk_size == UINT_MAX) {
- av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
- break;
+ avio_seek(pb, -9, SEEK_CUR);
+ chunk_code = avio_rl32(pb);
+ chunk_size = avio_rl32(pb);
+ if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
+ av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
+ return AVERROR_INVALIDDATA;
+ }
}
chunk_size += (chunk_size & 1);
@@ -833,7 +918,7 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
continue;
}
- value = av_malloc(chunk_size + 1);
+ value = av_mallocz(chunk_size + 1);
if (!value) {
av_log(s, AV_LOG_ERROR,
"out of memory, unable to read INFO tag\n");
@@ -843,14 +928,10 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
AV_WL32(key, chunk_code);
if (avio_read(pb, value, chunk_size) != chunk_size) {
- av_free(value);
av_log(s, AV_LOG_WARNING,
"premature end of file while reading INFO tag\n");
- break;
}
- value[chunk_size] = 0;
-
av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 18:31:46 +0000