* @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.
* @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.
* @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.
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)
{
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
}
}
-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;
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);
/* 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;
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 */
/* 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 */
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) {
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) {
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 */
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
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;