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Code Issues Releases Activity

lavc: use avpriv_ prefix for some flac symbols used in lavf.

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Specifically, ff_flac_parse_streaminfo, ff_flac_is_extradata_valid and
ff_flac_parse_block_header
This commit is contained in:
Anton Khirnov 2011-10-17 09:28:53 +02:00
parent 59a9a23581
commit d9cca9fc6a
7 changed files with 21 additions and 21 deletions
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14
libavcodec/flac.h
View File

@ -95,8 +95,8 @@ typedef struct FLACFrameInfo {
* @param[out] s where parsed information is stored
* @param[in] buffer pointer to start of 34-byte streaminfo data
*/
void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
const uint8_t *buffer);
void avpriv_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
const uint8_t *buffer);
/**
* Validate the FLAC extradata.
@ -105,9 +105,9 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
* @param[out] streaminfo_start pointer to start of 34-byte STREAMINFO data.
* @return 1 if valid, 0 if not valid.
*/
int ff_flac_is_extradata_valid(AVCodecContext *avctx,
enum FLACExtradataFormat *format,
uint8_t **streaminfo_start);
int avpriv_flac_is_extradata_valid(AVCodecContext *avctx,
enum FLACExtradataFormat *format,
uint8_t **streaminfo_start);
/**
* Parse the metadata block parameters from the header.
@ -116,8 +116,8 @@ int ff_flac_is_extradata_valid(AVCodecContext *avctx,
* @param[out] type metadata block type
* @param[out] size metadata block size
*/
void ff_flac_parse_block_header(const uint8_t *block_header,
int *last, int *type, int *size);
void avpriv_flac_parse_block_header(const uint8_t *block_header,
int *last, int *type, int *size);
/**
* Calculate an estimate for the maximum frame size based on verbatim mode.

16
libavcodec/flacdec.c
View File

@ -63,7 +63,7 @@ typedef struct FLACContext {
static void allocate_buffers(FLACContext *s);
int ff_flac_is_extradata_valid(AVCodecContext *avctx,
int avpriv_flac_is_extradata_valid(AVCodecContext *avctx,
enum FLACExtradataFormat *format,
uint8_t **streaminfo_start)
{
@ -104,11 +104,11 @@ static av_cold int flac_decode_init(AVCodecContext *avctx)
if (!avctx->extradata)
return 0;
if (!ff_flac_is_extradata_valid(avctx, &format, &streaminfo))
if (!avpriv_flac_is_extradata_valid(avctx, &format, &streaminfo))
return -1;
/* initialize based on the demuxer-supplied streamdata header */
ff_flac_parse_streaminfo(avctx, (FLACStreaminfo *)s, streaminfo);
avpriv_flac_parse_streaminfo(avctx, (FLACStreaminfo *)s, streaminfo);
if (s->bps > 16)
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
else
@ -140,7 +140,7 @@ static void allocate_buffers(FLACContext *s)
}
}
void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
void avpriv_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
const uint8_t *buffer)
{
GetBitContext gb;
@ -174,7 +174,7 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
dump_headers(avctx, s);
}
void ff_flac_parse_block_header(const uint8_t *block_header,
void avpriv_flac_parse_block_header(const uint8_t *block_header,
int *last, int *type, int *size)
{
int tmp = bytestream_get_byte(&block_header);
@ -201,12 +201,12 @@ static int parse_streaminfo(FLACContext *s, const uint8_t *buf, int buf_size)
/* need more data */
return 0;
}
ff_flac_parse_block_header(&buf[4], NULL, &metadata_type, &metadata_size);
avpriv_flac_parse_block_header(&buf[4], NULL, &metadata_type, &metadata_size);
if (metadata_type != FLAC_METADATA_TYPE_STREAMINFO ||
metadata_size != FLAC_STREAMINFO_SIZE) {
return AVERROR_INVALIDDATA;
}
ff_flac_parse_streaminfo(s->avctx, (FLACStreaminfo *)s, &buf[8]);
avpriv_flac_parse_streaminfo(s->avctx, (FLACStreaminfo *)s, &buf[8]);
allocate_buffers(s);
s->got_streaminfo = 1;
@ -228,7 +228,7 @@ static int get_metadata_size(const uint8_t *buf, int buf_size)
do {
if (buf_end - buf < 4)
return 0;
ff_flac_parse_block_header(buf, &metadata_last, NULL, &metadata_size);
avpriv_flac_parse_block_header(buf, &metadata_last, NULL, &metadata_size);
buf += 4;
if (buf_end - buf < metadata_size) {
/* need more data in order to read the complete header */

4
libavformat/flacdec.c
View File

@ -48,7 +48,7 @@ static int flac_read_header(AVFormatContext *s,
/* process metadata blocks */
while (!s->pb->eof_reached && !metadata_last) {
avio_read(s->pb, header, 4);
ff_flac_parse_block_header(header, &metadata_last, &metadata_type,
avpriv_flac_parse_block_header(header, &metadata_last, &metadata_type,
&metadata_size);
switch (metadata_type) {
/* allocate and read metadata block for supported types */
@ -87,7 +87,7 @@ static int flac_read_header(AVFormatContext *s,
buffer = NULL;
/* get codec params from STREAMINFO header */
ff_flac_parse_streaminfo(st->codec, &si, st->codec->extradata);
avpriv_flac_parse_streaminfo(st->codec, &si, st->codec->extradata);
/* set time base and duration */
if (si.samplerate > 0) {

2
libavformat/flacenc.c
View File

@ -94,7 +94,7 @@ static int flac_write_trailer(struct AVFormatContext *s)
enum FLACExtradataFormat format;
int64_t file_size;
if (!ff_flac_is_extradata_valid(s->streams[0]->codec, &format, &streaminfo))
if (!avpriv_flac_is_extradata_valid(s->streams[0]->codec, &format, &streaminfo))
return -1;
if (pb->seekable) {

2
libavformat/flacenc_header.c
View File

@ -34,7 +34,7 @@ int ff_flac_write_header(AVIOContext *pb, AVCodecContext *codec,
enum FLACExtradataFormat format;
header[4] = last_block ? 0x80 : 0x00;
if (!ff_flac_is_extradata_valid(codec, &format, &streaminfo))
if (!avpriv_flac_is_extradata_valid(codec, &format, &streaminfo))
return -1;
/* write "fLaC" stream marker and first metadata block header if needed */

2
libavformat/oggenc.c
View File

@ -254,7 +254,7 @@ static int ogg_build_flac_headers(AVCodecContext *avctx,
uint8_t *streaminfo;
uint8_t *p;
if (!ff_flac_is_extradata_valid(avctx, &format, &streaminfo))
if (!avpriv_flac_is_extradata_valid(avctx, &format, &streaminfo))
return -1;
// first packet: STREAMINFO

2
libavformat/oggparseflac.c
View File

@ -55,7 +55,7 @@ flac_header (AVFormatContext * s, int idx)
if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)
return -1;
ff_flac_parse_streaminfo(st->codec, &si, streaminfo_start);
avpriv_flac_parse_streaminfo(st->codec, &si, streaminfo_start);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_FLAC;