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avio: move init_put_byte() to a new private header and rename it 

init_put_byte should never be used outside of lavf, since
sizeof(AVIOContext) isn't part of public ABI.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Anton Khirnov 2011-02-20 11:04:13 +01:00 committed by Ronald S. Bultje
parent ae628ec1fd
commit e731b8d872
14 changed files with 87 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavformat/asfenc.c
View File

@ -22,6 +22,7 @@
#include "metadata.h"
#include "riff.h"
#include "asf.h"
#include "avio_internal.h"
#undef NDEBUG
#include <assert.h>
@ -578,7 +579,7 @@ static int asf_write_header(AVFormatContext *s)
asf->packet_nb_payloads = 0;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
init_put_byte(&asf->pb, asf->packet_buf, s->packet_size, 1,
ffio_init_context(&asf->pb, asf->packet_buf, s->packet_size, 1,
NULL, NULL, NULL, NULL);
return 0;
@ -676,7 +677,7 @@ static void flush_packet(AVFormatContext *s)
asf->packet_nb_payloads = 0;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
init_put_byte(&asf->pb, asf->packet_buf, s->packet_size, 1,
ffio_init_context(&asf->pb, asf->packet_buf, s->packet_size, 1,
NULL, NULL, NULL, NULL);
}

4
libavformat/avio.h
View File

@ -361,9 +361,8 @@ typedef struct {
#if FF_API_OLD_AVIO
typedef attribute_deprecated AVIOContext ByteIOContext;
#endif
int init_put_byte(AVIOContext *s,
attribute_deprecated int init_put_byte(AVIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
@ -371,6 +370,7 @@ int init_put_byte(AVIOContext *s,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence));
#endif
AVIOContext *av_alloc_put_byte(
unsigned char *buffer,
int buffer_size,

35
libavformat/avio_internal.h Normal file
View File

@ -0,0 +1,35 @@
/*
*
* 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
*/
#ifndef AVFORMAT_AVIO_INTERNAL_H
#define AVFORMAT_AVIO_INTERNAL_H
#include "avio.h"
int ffio_init_context(AVIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence));
#endif // AVFORMAT_AVIO_INTERNAL_H

26
libavformat/aviobuf.c
View File

@ -23,6 +23,7 @@
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "avio.h"
#include "avio_internal.h"
#include "internal.h"
#include <stdarg.h>
@ -40,7 +41,7 @@ static void fill_buffer(AVIOContext *s);
static int url_resetbuf(AVIOContext *s, int flags);
#endif
int init_put_byte(AVIOContext *s,
int ffio_init_context(AVIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
@ -73,6 +74,21 @@ int init_put_byte(AVIOContext *s,
return 0;
}
#if FF_API_OLD_AVIO
int init_put_byte(AVIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence))
{
return ffio_init_context(s, buffer, buffer_size, write_flag, opaque,
read_packet, write_packet, seek);
}
#endif
AVIOContext *av_alloc_put_byte(
unsigned char *buffer,
int buffer_size,
@ -83,7 +99,7 @@ AVIOContext *av_alloc_put_byte(
int64_t (*seek)(void *opaque, int64_t offset, int whence))
{
AVIOContext *s = av_mallocz(sizeof(AVIOContext));
init_put_byte(s, buffer, buffer_size, write_flag, opaque,
ffio_init_context(s, buffer, buffer_size, write_flag, opaque,
read_packet, write_packet, seek);
return s;
}
@ -664,7 +680,7 @@ int url_fdopen(AVIOContext **s, URLContext *h)
return AVERROR(ENOMEM);
}
if (init_put_byte(*s, buffer, buffer_size,
if (ffio_init_context(*s, buffer, buffer_size,
(h->flags & URL_WRONLY || h->flags & URL_RDWR), h,
url_read, url_write, url_seek) < 0) {
av_free(buffer);
@ -865,7 +881,7 @@ int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags)
*s = av_mallocz(sizeof(AVIOContext));
if(!*s)
return AVERROR(ENOMEM);
ret = init_put_byte(*s, buf, buf_size,
ret = ffio_init_context(*s, buf, buf_size,
(flags & URL_WRONLY || flags & URL_RDWR),
NULL, NULL, NULL, NULL);
if(ret != 0)
@ -964,7 +980,7 @@ static int url_open_dyn_buf_internal(AVIOContext **s, int max_packet_size)
return AVERROR(ENOMEM);
}
d->io_buffer_size = io_buffer_size;
ret = init_put_byte(*s, d->io_buffer, io_buffer_size,
ret = ffio_init_context(*s, d->io_buffer, io_buffer_size,
1, d, NULL,
max_packet_size ? dyn_packet_buf_write : dyn_buf_write,
max_packet_size ? NULL : dyn_buf_seek);

3
libavformat/id3v2.c
View File

@ -24,6 +24,7 @@
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "metadata.h"
#include "avio_internal.h"
int ff_id3v2_match(const uint8_t *buf, const char * magic)
{
@ -216,7 +217,7 @@ static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t
j--;
}
}
init_put_byte(&pb, buffer, j, 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, buffer, j, 0, NULL, NULL, NULL, NULL);
read_ttag(s, &pb, j, tag);
} else {
read_ttag(s, s->pb, tlen, tag);

9
libavformat/matroskadec.c
View File

@ -31,6 +31,7 @@
#include <stdio.h>
#include "avformat.h"
#include "internal.h"
#include "avio_internal.h"
/* For ff_codec_get_id(). */
#include "riff.h"
#include "isom.h"
@ -698,7 +699,7 @@ static int matroska_ebmlnum_uint(MatroskaDemuxContext *matroska,
uint8_t *data, uint32_t size, uint64_t *num)
{
AVIOContext pb;
init_put_byte(&pb, data, size, 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);
return ebml_read_num(matroska, &pb, FFMIN(size, 8), num);
}
@ -1328,7 +1329,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
} else if (!strcmp(track->codec_id, "A_MS/ACM")
&& track->codec_priv.size >= 14
&& track->codec_priv.data != NULL) {
init_put_byte(&b, track->codec_priv.data, track->codec_priv.size,
ffio_init_context(&b, track->codec_priv.data, track->codec_priv.size,
URL_RDONLY, NULL, NULL, NULL, NULL);
ff_get_wav_header(&b, st->codec, track->codec_priv.size);
codec_id = st->codec->codec_id;
@ -1373,7 +1374,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
extradata = av_mallocz(extradata_size);
if (extradata == NULL)
return AVERROR(ENOMEM);
init_put_byte(&b, extradata, extradata_size, 1,
ffio_init_context(&b, extradata, extradata_size, 1,
NULL, NULL, NULL, NULL);
put_buffer(&b, "TTA1", 4);
put_le16(&b, 1);
@ -1390,7 +1391,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
} else if (codec_id == CODEC_ID_RA_288 || codec_id == CODEC_ID_COOK ||
codec_id == CODEC_ID_ATRAC3 || codec_id == CODEC_ID_SIPR) {
int flavor;
init_put_byte(&b, track->codec_priv.data,track->codec_priv.size,
ffio_init_context(&b, track->codec_priv.data,track->codec_priv.size,
0, NULL, NULL, NULL, NULL);
url_fskip(&b, 22);
flavor = get_be16(&b);

3
libavformat/mmst.c
View File

@ -31,6 +31,7 @@
#include "avformat.h"
#include "mms.h"
#include "internal.h"
#include "avio_internal.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/bytestream.h"
#include "network.h"
@ -155,7 +156,7 @@ static void mms_put_utf16(MMSContext *mms, uint8_t *src)
AVIOContext bic;
int size = mms->write_out_ptr - mms->out_buffer;
int len;
init_put_byte(&bic, mms->write_out_ptr,
ffio_init_context(&bic, mms->write_out_ptr,
sizeof(mms->out_buffer) - size, 1, NULL, NULL, NULL, NULL);
len = avio_put_str16le(&bic, src);

3
libavformat/mov.c
View File

@ -29,6 +29,7 @@
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include "avio_internal.h"
#include "riff.h"
#include "isom.h"
#include "libavcodec/get_bits.h"
@ -2123,7 +2124,7 @@ static int mov_read_cmov(MOVContext *c, AVIOContext *pb, MOVAtom atom)
get_buffer(pb, cmov_data, cmov_len);
if(uncompress (moov_data, (uLongf *) &moov_len, (const Bytef *)cmov_data, cmov_len) != Z_OK)
goto free_and_return;
if(init_put_byte(&ctx, moov_data, moov_len, 0, NULL, NULL, NULL, NULL) != 0)
if(ffio_init_context(&ctx, moov_data, moov_len, 0, NULL, NULL, NULL, NULL) != 0)
goto free_and_return;
atom.type = MKTAG('m','o','o','v');
atom.size = moov_len;

5
libavformat/mpegts.c
View File

@ -29,6 +29,7 @@
#include "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
#include "seek.h"
#include "mpeg.h"
#include "isom.h"
@ -855,7 +856,7 @@ static int mp4_read_iods(AVFormatContext *s, const uint8_t *buf, unsigned size,
int tag;
unsigned len;
init_put_byte(&pb, buf, size, 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, buf, size, 0, NULL, NULL, NULL, NULL);
len = ff_mp4_read_descr(s, &pb, &tag);
if (tag == MP4IODescrTag) {
@ -914,7 +915,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
if (st->codec->codec_id == CODEC_ID_AAC_LATM &&
mp4_dec_config_descr_len && mp4_es_id == pid) {
AVIOContext pb;
init_put_byte(&pb, mp4_dec_config_descr,
ffio_init_context(&pb, mp4_dec_config_descr,
mp4_dec_config_descr_len, 0, NULL, NULL, NULL, NULL);
ff_mp4_read_dec_config_descr(fc, st, &pb);
if (st->codec->codec_id == CODEC_ID_AAC &&

5
libavformat/rdt.c
View File

@ -33,6 +33,7 @@
#include "libavutil/md5.h"
#include "rm.h"
#include "internal.h"
#include "avio_internal.h"
#include "libavcodec/get_bits.h"
struct RDTDemuxContext {
@ -150,7 +151,7 @@ rdt_load_mdpr (PayloadContext *rdt, AVStream *st, int rule_nr)
*/
if (!rdt->mlti_data)
return -1;
init_put_byte(&pb, rdt->mlti_data, rdt->mlti_data_size, 0,
ffio_init_context(&pb, rdt->mlti_data, rdt->mlti_data_size, 0,
NULL, NULL, NULL, NULL);
tag = get_le32(&pb);
if (tag == MKTAG('M', 'L', 'T', 'I')) {
@ -300,7 +301,7 @@ rdt_parse_packet (AVFormatContext *ctx, PayloadContext *rdt, AVStream *st,
if (rdt->audio_pkt_cnt == 0) {
int pos;
init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
flags = (flags & RTP_FLAG_KEY) ? 2 : 0;
res = ff_rm_parse_packet (rdt->rmctx, &pb, st, rdt->rmst[st->index], len, pkt,
&seq, flags, *timestamp);

5
libavformat/rtpdec_asf.c
View File

@ -32,6 +32,7 @@
#include "rtpdec_formats.h"
#include "rtsp.h"
#include "asf.h"
#include "avio_internal.h"
/**
* From MSDN 2.2.1.4, we learn that ASF data packets over RTP should not
@ -84,7 +85,7 @@ static int packetizer_read(void *opaque, uint8_t *buf, int buf_size)
static void init_packetizer(AVIOContext *pb, uint8_t *buf, int len)
{
init_put_byte(pb, buf, len, 0, NULL, packetizer_read, NULL, NULL);
ffio_init_context(pb, buf, len, 0, NULL, packetizer_read, NULL, NULL);
/* this "fills" the buffer with its current content */
pb->pos = len;
@ -176,7 +177,7 @@ static int asfrtp_parse_packet(AVFormatContext *s, PayloadContext *asf,
av_freep(&asf->buf);
init_put_byte(pb, buf, len, 0, NULL, NULL, NULL, NULL);
ffio_init_context(pb, buf, len, 0, NULL, NULL, NULL, NULL);
while (url_ftell(pb) + 4 < len) {
int start_off = url_ftell(pb);

3
libavformat/rtpdec_qt.c
View File

@ -26,6 +26,7 @@
*/
#include "avformat.h"
#include "avio_internal.h"
#include "rtp.h"
#include "rtpdec.h"
#include "isom.h"
@ -69,7 +70,7 @@ static int qt_rtp_parse_packet(AVFormatContext *s, PayloadContext *qt,
* http://developer.apple.com/quicktime/icefloe/dispatch026.html
*/
init_get_bits(&gb, buf, len << 3);
init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
if (len < 4)
return AVERROR_INVALIDDATA;

3
libavformat/rtsp.c
View File

@ -25,6 +25,7 @@
#include "libavutil/parseutils.h"
#include "libavutil/random_seed.h"
#include "avformat.h"
#include "avio_internal.h"
#include <sys/time.h>
#if HAVE_POLL_H
@ -1913,7 +1914,7 @@ static int rtp_read_header(AVFormatContext *s,
port, payload_type);
av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sdp);
init_put_byte(&pb, sdp, strlen(sdp), 0, NULL, NULL, NULL, NULL);
ffio_init_context(&pb, sdp, strlen(sdp), 0, NULL, NULL, NULL, NULL);
s->pb = &pb;
/* sdp_read_header initializes this again */

3
libavformat/sapdec.c
View File

@ -25,6 +25,7 @@
#include "network.h"
#include "os_support.h"
#include "internal.h"
#include "avio_internal.h"
#if HAVE_POLL_H
#include <poll.h>
#endif
@ -142,7 +143,7 @@ static int sap_read_header(AVFormatContext *s,
}
av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sap->sdp);
init_put_byte(&sap->sdp_pb, sap->sdp, strlen(sap->sdp), 0, NULL, NULL,
ffio_init_context(&sap->sdp_pb, sap->sdp, strlen(sap->sdp), 0, NULL, NULL,
NULL, NULL);
infmt = av_find_input_format("sdp");