* Copyright (c) 2007 Justin Ruggles
* Copyright (c) 2009 Peter Ross
*
- * 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
*/
*/
#include "avformat.h"
+#include "internal.h"
#include "riff.h"
#include "isom.h"
#include "libavutil/intreadwrite.h"
-#include "libavutil/intfloat_readwrite.h"
+#include "libavutil/intfloat.h"
#include "libavutil/dict.h"
#include "caf.h"
int flags;
/* new audio stream */
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
/* parse format description */
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codec->sample_rate = av_int2dbl(avio_rb64(pb));
- st->codec->codec_tag = avio_rb32(pb);
+ st->codec->sample_rate = av_int2double(avio_rb64(pb));
+ st->codec->codec_tag = avio_rl32(pb);
flags = avio_rb32(pb);
caf->bytes_per_packet = avio_rb32(pb);
st->codec->block_align = caf->bytes_per_packet;
}
/* determine codec */
- if (st->codec->codec_tag == MKBETAG('l','p','c','m'))
+ if (st->codec->codec_tag == MKTAG('l','p','c','m'))
st->codec->codec_id = ff_mov_get_lpcm_codec_id(st->codec->bits_per_coded_sample, (flags ^ 0x2) | 0x4);
else
st->codec->codec_id = ff_codec_get_id(ff_codec_caf_tags, st->codec->codec_tag);
} else if (st->codec->codec_id == CODEC_ID_ALAC) {
#define ALAC_PREAMBLE 12
#define ALAC_HEADER 36
- if (size < ALAC_PREAMBLE + ALAC_HEADER) {
- av_log(s, AV_LOG_ERROR, "invalid ALAC magic cookie\n");
- avio_skip(pb, size);
- return AVERROR_INVALIDDATA;
+#define ALAC_NEW_KUKI 24
+ if (size == ALAC_NEW_KUKI) {
+ st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ memcpy(st->codec->extradata, "\0\0\0\24alac", 8);
+ avio_read(pb, st->codec->extradata + ALAC_HEADER - ALAC_NEW_KUKI, ALAC_NEW_KUKI);
+ st->codec->extradata_size = ALAC_HEADER;
+ } else {
+ if (size < ALAC_PREAMBLE + ALAC_HEADER) {
+ av_log(s, AV_LOG_ERROR, "invalid ALAC magic cookie\n");
+ avio_skip(pb, size);
+ return AVERROR_INVALIDDATA;
+ }
+ avio_skip(pb, ALAC_PREAMBLE);
+ st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ avio_read(pb, st->codec->extradata, ALAC_HEADER);
+ st->codec->extradata_size = ALAC_HEADER;
+ avio_skip(pb, size - ALAC_PREAMBLE - ALAC_HEADER);
}
- avio_skip(pb, ALAC_PREAMBLE);
- st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!st->codec->extradata)
- return AVERROR(ENOMEM);
- avio_read(pb, st->codec->extradata, ALAC_HEADER);
- st->codec->extradata_size = ALAC_HEADER;
- avio_skip(pb, size - ALAC_PREAMBLE - ALAC_HEADER);
} else {
st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
for (i = 0; i < nb_entries; i++) {
char key[32];
char value[1024];
- avio_get_str(pb, INT_MAX, key, sizeof(key));
- avio_get_str(pb, INT_MAX, value, sizeof(value));
+ get_strz(pb, key, sizeof(key));
+ get_strz(pb, value, sizeof(value));
av_dict_set(&s->metadata, key, value, 0);
}
}
/* parse each chunk */
found_data = 0;
- while (!pb->eof_reached) {
+ while (!url_feof(pb)) {
/* stop at data chunk if seeking is not supported or
data chunk size is unknown */
tag = avio_rb32(pb);
size = avio_rb64(pb);
- if (pb->eof_reached)
+ if (url_feof(pb))
break;
switch (tag) {
read_info_chunk(s, size);
break;
+ case MKBETAG('c','h','a','n'):
+ if (size < 12)
+ return AVERROR_INVALIDDATA;
+ ff_mov_read_chan(s, size, st->codec);
+ break;
+
default:
#define _(x) ((x) >= ' ' ? (x) : ' ')
- av_log(s, AV_LOG_WARNING, "skipping CAF chunk: %08X (%c%c%c%c)\n",
- tag, _(tag>>24), _((tag>>16)&0xFF), _((tag>>8)&0xFF), _(tag&0xFF));
+ av_log(s, AV_LOG_WARNING, "skipping CAF chunk: %08X (%c%c%c%c), size %"PRId64"\n",
+ tag, _(tag>>24), _((tag>>16)&0xFF), _((tag>>8)&0xFF), _(tag&0xFF), size);
#undef _
case MKBETAG('f','r','e','e'):
if (size < 0)
return AVERROR_INVALIDDATA;
}
- av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+ avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
st->start_time = 0;
/* position the stream at the start of data */
int res, pkt_size = 0, pkt_frames = 0;
int64_t left = CAF_MAX_PKT_SIZE;
- if (pb->eof_reached)
+ if (url_feof(pb))
return AVERROR(EIO);
/* don't read past end of data chunk */
{
AVStream *st = s->streams[0];
CaffContext *caf = s->priv_data;
+ CaffContext caf2 = *caf;
int64_t pos;
timestamp = FFMAX(timestamp, 0);
return -1;
}
- avio_seek(s->pb, pos + caf->data_start, SEEK_SET);
+ if (avio_seek(s->pb, pos + caf->data_start, SEEK_SET) < 0) {
+ *caf = caf2;
+ return -1;
+ }
return 0;
}
projects / ffmpeg / blobdiff