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Merge remote branch 'qatar/master'

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* qatar/master:
  avio: add more documentation for AVIOContext.
  Parse sprite data for WMVP and WVP2, and decode sprites for the latter
  Replace outdated info on the FAQ
  Redefine sameq
  pad: fix example explanation
  gradfun: add notice from the MPlayer manual
  eval: add support for trunc, ceil, and floor functions
  documentation: add setdar and setsar description to filters.texi
  avio: document some members of AVIOContext.
  avio: document avio_close().
  avio: cosmetics, vertically align comments.
  avio: cosmetics, group the reading functions.
  avio: cosmetics, merge all the FF_API_OLD_AVIO blocks.
  avio: cosmetics, move AVIOContext to start of the file.
  avio: update file header.
  os: fix OpenBSD/PowerPC compilation
  pixfmt: add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE
  oggdec: fix demuxing chained audio streams
  fix typo

Conflicts:
	doc/filters.texi
	libavformat/avio.h
	libavutil/pixfmt.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-04-11 04:02:45 +02:00
commit ab8cfd45f8
10 changed files with 315 additions and 164 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
doc/APIchanges
View File

@ -12,6 +12,9 @@ libavutil: 2009-03-08
API changes, most recent first:
2011-04-10 - lavu 50.40.0 - pixfmt.h
Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
2011-04-08 - lavf 52.106.0 - avformat.h
Minor avformat.h cleanup:
a9bf9d8 deprecate av_guess_image2_codec

3
libavcodec/vc1.c
View File

@ -605,9 +605,6 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
{
int pqindex, lowquant, status;
if(v->res_sprite) {
skip_bits(gb, 2); //not yet deciphered
}
if(v->finterpflag) v->interpfrm = get_bits1(gb);
skip_bits(gb, 2); //framecnt unused
v->rangeredfrm = 0;

6
libavcodec/vc1.h
View File

@ -306,6 +306,12 @@ typedef struct VC1Context{
uint8_t range_mapuv;
//@}
/** Frame decoding info for sprite modes */
//@{
int new_sprite;
int two_sprites;
//@}
int p_frame_skipped;
int bi_type;
int x8_type;

127
libavcodec/vc1dec.c
View File

@ -3097,6 +3097,116 @@ static void vc1_decode_blocks(VC1Context *v, int mby_start, int mby_end)
}
}
static inline float get_float_val(GetBitContext* gb)
{
return (float)get_bits_long(gb, 30) / (1<<15) - (1<<14);
}
static void vc1_sprite_parse_transform(VC1Context *v, GetBitContext* gb, float c[7])
{
c[1] = c[3] = 0.0f;
switch (get_bits(gb, 2)) {
case 0:
c[0] = 1.0f;
c[2] = get_float_val(gb);
c[4] = 1.0f;
break;
case 1:
c[0] = c[4] = get_float_val(gb);
c[2] = get_float_val(gb);
break;
case 2:
c[0] = get_float_val(gb);
c[2] = get_float_val(gb);
c[4] = get_float_val(gb);
break;
case 3:
av_log_ask_for_sample(v->s.avctx, NULL);
c[0] = get_float_val(gb);
c[1] = get_float_val(gb);
c[2] = get_float_val(gb);
c[3] = get_float_val(gb);
c[4] = get_float_val(gb);
break;
}
c[5] = get_float_val(gb);
if (get_bits1(gb))
c[6] = get_float_val(gb);
else
c[6] = 1.0f;
}
static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb)
{
int effect_type, effect_flag, effect_pcount1, effect_pcount2, i;
float effect_params1[14], effect_params2[10];
float coefs[2][7];
vc1_sprite_parse_transform(v, gb, coefs[0]);
av_log(v->s.avctx, AV_LOG_DEBUG, "S1:");
for (i = 0; i < 7; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", coefs[0][i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
if (v->two_sprites) {
vc1_sprite_parse_transform(v, gb, coefs[1]);
av_log(v->s.avctx, AV_LOG_DEBUG, "S2:");
for (i = 0; i < 7; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", coefs[1][i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
}
skip_bits(gb, 2);
if (effect_type = get_bits_long(gb, 30)){
switch (effect_pcount1 = get_bits(gb, 4)) {
case 2:
effect_params1[0] = get_float_val(gb);
effect_params1[1] = get_float_val(gb);
break;
case 7:
vc1_sprite_parse_transform(v, gb, effect_params1);
break;
case 14:
vc1_sprite_parse_transform(v, gb, effect_params1);
vc1_sprite_parse_transform(v, gb, &effect_params1[7]);
break;
default:
av_log_ask_for_sample(v->s.avctx, NULL);
return;
}
if (effect_type != 13 || effect_params1[0] != coefs[0][6]) {
// effect 13 is simple alpha blending and matches the opacity above
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect: %d; params: ", effect_type);
for (i = 0; i < effect_pcount1; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", effect_params1[i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
}
effect_pcount2 = get_bits(gb, 16);
if (effect_pcount2 > 10) {
av_log(v->s.avctx, AV_LOG_ERROR, "Too many effect parameters\n");
return;
} else if (effect_pcount2) {
i = 0;
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect params 2: ");
while (i < effect_pcount2){
effect_params2[i] = get_float_val(gb);
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", effect_params2[i]);
i++;
}
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
}
}
if (effect_flag = get_bits1(gb))
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect flag set\n");
if (get_bits_count(gb) >= gb->size_in_bits +
(v->s.avctx->codec_id == CODEC_ID_WMV3 ? 64 : 0))
av_log(v->s.avctx, AV_LOG_ERROR, "Buffer overrun\n");
if (get_bits_count(gb) < gb->size_in_bits - 8)
av_log(v->s.avctx, AV_LOG_WARNING, "Buffer not fully read\n");
}
/** Initialize a VC1/WMV3 decoder
* @todo TODO: Handle VC-1 IDUs (Transport level?)
* @todo TODO: Decypher remaining bits in extra_data
@ -3160,7 +3270,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
{
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}
} else { // VC1/WVC1
} else { // VC1/WVC1/WVP2
const uint8_t *start = avctx->extradata;
uint8_t *end = avctx->extradata + avctx->extradata_size;
const uint8_t *next;
@ -3204,6 +3314,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n");
return -1;
}
v->res_sprite = (avctx->codec_tag == MKTAG('W','V','P','2'));
}
avctx->profile = v->profile;
if (v->profile == PROFILE_ADVANCED)
@ -3359,6 +3470,14 @@ static int vc1_decode_frame(AVCodecContext *avctx,
init_get_bits(&s->gb, buf2, buf_size2*8);
} else
init_get_bits(&s->gb, buf, buf_size*8);
if (v->res_sprite) {
v->new_sprite = !get_bits1(&s->gb);
v->two_sprites = get_bits1(&s->gb);
if (!v->new_sprite)
goto end;
}
// do parse frame header
if(v->profile < PROFILE_ADVANCED) {
if(vc1_parse_frame_header(v, &s->gb) == -1) {
@ -3370,8 +3489,8 @@ static int vc1_decode_frame(AVCodecContext *avctx,
}
}
if(v->res_sprite && (s->pict_type!=FF_I_TYPE)){
goto err;
if (v->res_sprite && s->pict_type!=FF_I_TYPE) {
av_log(v->s.avctx, AV_LOG_WARNING, "Sprite decoder: expected I-frame\n");
}
s->current_picture_ptr->repeat_pict = 0;
@ -3464,6 +3583,8 @@ assert(s->current_picture.pict_type == s->pict_type);
}
end:
if (v->res_sprite)
vc1_parse_sprites(v, &s->gb);
av_free(buf2);
for (i = 0; i < n_slices; i++)
av_free(slices[i].buf);

2
libavcodec/version.h
View File

@ -22,7 +22,7 @@
#define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 117
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \

319
libavformat/avio.h
View File

@ -22,10 +22,7 @@
/**
* @file
* unbuffered I/O operations
*
* @warning This file has to be considered an internal but installed
* header, so it should not be directly included in your projects.
* Buffered I/O operations
*/
#include <stdint.h>
@ -35,6 +32,63 @@
#include "libavformat/version.h"
#define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(AVIOContext) must not be used outside libav*.
*
* @note None of the function pointers in AVIOContext should be called
* directly, they should only be set by the client application
* when implementing custom I/O. Normally these are set to the
* function pointers specified in avio_alloc_context()
*/
typedef struct {
unsigned char *buffer; /**< Start of the buffer. */
int buffer_size; /**< Maximum buffer size */
unsigned char *buf_ptr; /**< Current position in the buffer */
unsigned char *buf_end; /**< End of the data, may be less than
buffer+buffer_size if the read function returned
less data than requested, e.g. for streams where
no more data has been received yet. */
void *opaque; /**< A private pointer, passed to the read/write/seek/...
functions. */
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);
int64_t pos; /**< position in the file of the current buffer */
int must_flush; /**< true if the next seek should flush */
int eof_reached; /**< true if eof reached */
int write_flag; /**< true if open for writing */
#if FF_API_OLD_AVIO
attribute_deprecated int is_streamed;
#endif
int max_packet_size;
unsigned long checksum;
unsigned char *checksum_ptr;
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
int error; /**< contains the error code or 0 if no error happened */
/**
* Pause or resume playback for network streaming protocols - e.g. MMS.
*/
int (*read_pause)(void *opaque, int pause);
/**
* Seek to a given timestamp in stream with the specified stream_index.
* Needed for some network streaming protocols which don't support seeking
* to byte position.
*/
int64_t (*read_seek)(void *opaque, int stream_index,
int64_t timestamp, int flags);
/**
* A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
*/
int seekable;
} AVIOContext;
/* unbuffered I/O */
#if FF_API_OLD_AVIO
@ -59,12 +113,38 @@ typedef struct URLContext {
int is_connected;
} URLContext;
#define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */
/**
* @deprecated This struct is to be made private. Use the higher-level
* AVIOContext-based API instead.
*/
typedef struct URLProtocol {
const char *name;
int (*url_open)(URLContext *h, const char *url, int flags);
int (*url_read)(URLContext *h, unsigned char *buf, int size);
int (*url_write)(URLContext *h, const unsigned char *buf, int size);
int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
int (*url_close)(URLContext *h);
struct URLProtocol *next;
int (*url_read_pause)(URLContext *h, int pause);
int64_t (*url_read_seek)(URLContext *h, int stream_index,
int64_t timestamp, int flags);
int (*url_get_file_handle)(URLContext *h);
int priv_data_size;
const AVClass *priv_data_class;
int flags;
} URLProtocol;
typedef struct URLPollEntry {
URLContext *handle;
int events;
int revents;
} URLPollEntry;
/* not implemented */
attribute_deprecated int url_poll(URLPollEntry *poll_table, int n, int timeout);
/**
* @defgroup open_modes URL open modes
* The flags argument to url_open and cosins must be one of the following
@ -93,6 +173,7 @@ typedef struct URLPollEntry {
#define URL_FLAG_NONBLOCK 4
typedef int URLInterruptCB(void);
extern URLInterruptCB *url_interrupt_cb;
/**
* @defgroup old_url_funcs Old url_* functions
@ -117,130 +198,24 @@ attribute_deprecated int av_url_read_pause(URLContext *h, int pause);
attribute_deprecated int64_t av_url_read_seek(URLContext *h, int stream_index,
int64_t timestamp, int flags);
attribute_deprecated void url_set_interrupt_cb(int (*interrupt_cb)(void));
#endif
/**
* Return a non-zero value if the resource indicated by url
* exists, 0 otherwise.
*/
int url_exist(const char *url);
/**
* The callback is called in blocking functions to test regulary if
* asynchronous interruption is needed. AVERROR_EXIT is returned
* in this case by the interrupted function. 'NULL' means no interrupt
* callback is given.
*/
void avio_set_interrupt_cb(int (*interrupt_cb)(void));
#if FF_API_OLD_AVIO
/* not implemented */
attribute_deprecated int url_poll(URLPollEntry *poll_table, int n, int timeout);
#define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */
/**
* @deprecated This struct is to be made private. Use the higher-level
* AVIOContext-based API instead.
*/
typedef struct URLProtocol {
const char *name;
int (*url_open)(URLContext *h, const char *url, int flags);
int (*url_read)(URLContext *h, unsigned char *buf, int size);
int (*url_write)(URLContext *h, const unsigned char *buf, int size);
int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
int (*url_close)(URLContext *h);
struct URLProtocol *next;
int (*url_read_pause)(URLContext *h, int pause);
int64_t (*url_read_seek)(URLContext *h, int stream_index,
int64_t timestamp, int flags);
int (*url_get_file_handle)(URLContext *h);
int priv_data_size;
const AVClass *priv_data_class;
int flags;
} URLProtocol;
#endif
#if FF_API_REGISTER_PROTOCOL
extern URLProtocol *first_protocol;
#endif
#if FF_API_OLD_AVIO
extern URLInterruptCB *url_interrupt_cb;
#endif
/**
* If protocol is NULL, returns the first registered protocol,
* if protocol is non-NULL, returns the next registered protocol after protocol,
* or NULL if protocol is the last one.
* returns the next registered protocol after the given protocol (the first if
* NULL is given), or NULL if protocol is the last one.
*/
URLProtocol *av_protocol_next(URLProtocol *p);
#if FF_API_REGISTER_PROTOCOL
/**
* @deprecated Use av_register_protocol() instead.
*/
attribute_deprecated int register_protocol(URLProtocol *protocol);
/**
* @deprecated Use av_register_protocol2() instead.
*/
attribute_deprecated int av_register_protocol(URLProtocol *protocol);
#endif
#if FF_API_OLD_AVIO
/**
* Register the URLProtocol protocol.
*
* @param size the size of the URLProtocol struct referenced
*/
attribute_deprecated int av_register_protocol2(URLProtocol *protocol, int size);
#endif
#define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
/**
* @}
*/
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(AVIOContext) must not be used outside libav*.
*/
typedef struct {
unsigned char *buffer;
int buffer_size;
unsigned char *buf_ptr, *buf_end;
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);
int64_t pos; /**< position in the file of the current buffer */
int must_flush; /**< true if the next seek should flush */
int eof_reached; /**< true if eof reached */
int write_flag; /**< true if open for writing */
#if FF_API_OLD_AVIO
attribute_deprecated int is_streamed;
#endif
int max_packet_size;
unsigned long checksum;
unsigned char *checksum_ptr;
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
int error; ///< contains the error code or 0 if no error happened
int (*read_pause)(void *opaque, int pause);
int64_t (*read_seek)(void *opaque, int stream_index,
int64_t timestamp, int flags);
/**
* A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
*/
int seekable;
} AVIOContext;
#if FF_API_OLD_AVIO
typedef attribute_deprecated AVIOContext ByteIOContext;
attribute_deprecated int init_put_byte(AVIOContext *s,
@ -334,6 +309,62 @@ attribute_deprecated void init_checksum(AVIOContext *s,
unsigned long (*update_checksum)(unsigned long c, const uint8_t *p, unsigned int len),
unsigned long checksum);
attribute_deprecated unsigned long get_checksum(AVIOContext *s);
attribute_deprecated void put_strz(AVIOContext *s, const char *buf);
/** @note unlike fgets, the EOL character is not returned and a whole
line is parsed. return NULL if first char read was EOF */
attribute_deprecated char *url_fgets(AVIOContext *s, char *buf, int buf_size);
/**
* @deprecated use avio_get_str instead
*/
attribute_deprecated char *get_strz(AVIOContext *s, char *buf, int maxlen);
/**
* @deprecated Use AVIOContext.seekable field directly.
*/
attribute_deprecated static inline int url_is_streamed(AVIOContext *s)
{
return !s->seekable;
}
attribute_deprecated URLContext *url_fileno(AVIOContext *s);
/**
* @deprecated use AVIOContext.max_packet_size directly.
*/
attribute_deprecated int url_fget_max_packet_size(AVIOContext *s);
attribute_deprecated int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags);
/** return the written or read size */
attribute_deprecated int url_close_buf(AVIOContext *s);
#endif // FF_API_OLD_AVIO
/**
* Return a non-zero value if the resource indicated by url
* exists, 0 otherwise.
*/
int url_exist(const char *url);
/**
* The callback is called in blocking functions to test regulary if
* asynchronous interruption is needed. AVERROR_EXIT is returned
* in this case by the interrupted function. 'NULL' means no interrupt
* callback is given.
*/
void avio_set_interrupt_cb(int (*interrupt_cb)(void));
#if FF_API_REGISTER_PROTOCOL
extern URLProtocol *first_protocol;
#endif
#if FF_API_REGISTER_PROTOCOL
/**
* @deprecated Use av_register_protocol() instead.
*/
attribute_deprecated int register_protocol(URLProtocol *protocol);
/**
* @deprecated Use av_register_protocol2() instead.
*/
attribute_deprecated int av_register_protocol(URLProtocol *protocol);
#endif
/**
@ -372,10 +403,6 @@ void avio_wb24(AVIOContext *s, unsigned int val);
void avio_wl16(AVIOContext *s, unsigned int val);
void avio_wb16(AVIOContext *s, unsigned int val);
#if FF_API_OLD_AVIO
attribute_deprecated void put_strz(AVIOContext *s, const char *buf);
#endif
/**
* Write a NULL-terminated string.
* @return number of bytes written.
@ -443,12 +470,6 @@ int avio_printf(AVIOContext *s, const char *fmt, ...) __attribute__ ((__format__
int avio_printf(AVIOContext *s, const char *fmt, ...);
#endif
#if FF_API_OLD_AVIO
/** @note unlike fgets, the EOL character is not returned and a whole
line is parsed. return NULL if first char read was EOF */
attribute_deprecated char *url_fgets(AVIOContext *s, char *buf, int buf_size);
#endif
void avio_flush(AVIOContext *s);
@ -458,13 +479,25 @@ void avio_flush(AVIOContext *s);
*/
int avio_read(AVIOContext *s, unsigned char *buf, int size);
/** @note return 0 if EOF, so you cannot use it if EOF handling is
necessary */
/**
* @defgroup avio_read Functions for reading from AVIOContext.
* @{
*
* @note return 0 if EOF, so you cannot use it if EOF handling is
* necessary
*/
int avio_r8 (AVIOContext *s);
unsigned int avio_rl16(AVIOContext *s);
unsigned int avio_rl24(AVIOContext *s);
unsigned int avio_rl32(AVIOContext *s);
uint64_t avio_rl64(AVIOContext *s);
unsigned int avio_rb16(AVIOContext *s);
unsigned int avio_rb24(AVIOContext *s);
unsigned int avio_rb32(AVIOContext *s);
uint64_t avio_rb64(AVIOContext *s);
/**
* @}
*/
/**
* Read a string from pb into buf. The reading will terminate when either
@ -489,26 +522,6 @@ int avio_get_str(AVIOContext *pb, int maxlen, char *buf, int buflen);
int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen);
int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen);
#if FF_API_OLD_AVIO
/**
* @deprecated use avio_get_str instead
*/
attribute_deprecated char *get_strz(AVIOContext *s, char *buf, int maxlen);
#endif
unsigned int avio_rb16(AVIOContext *s);
unsigned int avio_rb24(AVIOContext *s);
unsigned int avio_rb32(AVIOContext *s);
uint64_t avio_rb64(AVIOContext *s);
#if FF_API_OLD_AVIO
/**
* @deprecated Use AVIOContext.seekable field directly.
*/
attribute_deprecated static inline int url_is_streamed(AVIOContext *s)
{
return !s->seekable;
}
#endif
#if FF_API_URL_RESETBUF
/** Reset the buffer for reading or writing.
@ -560,21 +573,13 @@ int url_resetbuf(AVIOContext *s, int flags);
*/
int avio_open(AVIOContext **s, const char *url, int flags);
int avio_close(AVIOContext *s);
#if FF_API_OLD_AVIO
attribute_deprecated URLContext *url_fileno(AVIOContext *s);
/**
* @deprecated use AVIOContext.max_packet_size directly.
* Close the resource accessed by the AVIOContext s and free it.
* This function can only be used if s was opened by avio_open().
*
* @return 0 on success, an AVERROR < 0 on error.
*/
attribute_deprecated int url_fget_max_packet_size(AVIOContext *s);
attribute_deprecated int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags);
/** return the written or read size */
attribute_deprecated int url_close_buf(AVIOContext *s);
#endif
int avio_close(AVIOContext *s);
/**
* Open a write only memory stream.

16
libavformat/oggdec.c
View File

@ -164,6 +164,7 @@ ogg_new_stream (AVFormatContext * s, uint32_t serial)
os->bufsize = DECODER_BUFFER_SIZE;
os->buf = av_malloc(os->bufsize);
os->header = -1;
os->page_begin = 1;
st = av_new_stream (s, idx);
if (!st)
@ -241,12 +242,27 @@ ogg_read_page (AVFormatContext * s, int *str)
idx = ogg_find_stream (ogg, serial);
if (idx < 0){
for (i = 0; i < ogg->nstreams; i++) {
if (!ogg->streams[i].page_begin) {
int n;
for (n = 0; n < ogg->nstreams; n++) {
av_free(ogg->streams[n].buf);
av_free(ogg->streams[n].private);
}
ogg->curidx = -1;
ogg->nstreams = 0;
break;
}
}
idx = ogg_new_stream (s, serial);
if (idx < 0)
return -1;
}
os = ogg->streams + idx;
if (!(flags & OGG_FLAG_BOS))
os->page_begin = 0;
os->page_pos = avio_tell(bc) - 27;
if(os->psize > 0)

1
libavformat/oggdec.h
View File

@ -75,6 +75,7 @@ struct ogg_stream {
int incomplete; ///< whether we're expecting a continuation in the next page
int page_end; ///< current packet is the last one completed in the page
int keyframe_seek;
int page_begin; ///< set to 1 if the stream only received a begin-of-stream packet, otherwise 0
void *private;
};

1
libavformat/riff.c
View File

@ -232,6 +232,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
{ CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
{ CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
{ CODEC_ID_VC1, MKTAG('W', 'V', 'P', '2') },
{ CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
{ CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
{ CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },

1
libavutil/ppc/cpu.c
View File

@ -20,6 +20,7 @@
#undef _POSIX_C_SOURCE
#include <sys/sysctl.h>
#elif defined(__OpenBSD__)
#undef _POSIX_C_SOURCE
#include <sys/param.h>
#include <sys/sysctl.h>
#include <machine/cpu.h>