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Linshizhi
ffmpeg.wasm-core
Commits
bdd6aa25
Commit
bdd6aa25
authored
Apr 07, 2020
by
Anton Khirnov
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avcodec.h: split bitstream filters API into its own header
parent
bf807253
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39 changed files
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369 additions
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306 deletions
+369
-306
APIchanges
doc/APIchanges
+1
-0
Makefile
libavcodec/Makefile
+1
-0
aac_adtstoasc_bsf.c
libavcodec/aac_adtstoasc_bsf.c
+1
-1
av1_frame_merge_bsf.c
libavcodec/av1_frame_merge_bsf.c
+1
-1
av1_frame_split_bsf.c
libavcodec/av1_frame_split_bsf.c
+1
-1
av1_metadata_bsf.c
libavcodec/av1_metadata_bsf.c
+1
-0
avcodec.h
libavcodec/avcodec.h
+1
-284
bsf.c
libavcodec/bsf.c
+3
-1
bsf.h
libavcodec/bsf.h
+324
-0
bsf_internal.h
libavcodec/bsf_internal.h
+4
-1
chomp_bsf.c
libavcodec/chomp_bsf.c
+1
-1
dca_core_bsf.c
libavcodec/dca_core_bsf.c
+1
-1
dump_extradata_bsf.c
libavcodec/dump_extradata_bsf.c
+1
-1
eac3_core_bsf.c
libavcodec/eac3_core_bsf.c
+1
-1
extract_extradata_bsf.c
libavcodec/extract_extradata_bsf.c
+1
-1
filter_units_bsf.c
libavcodec/filter_units_bsf.c
+1
-0
h264_metadata_bsf.c
libavcodec/h264_metadata_bsf.c
+1
-0
h264_mp4toannexb_bsf.c
libavcodec/h264_mp4toannexb_bsf.c
+1
-0
h264_redundant_pps_bsf.c
libavcodec/h264_redundant_pps_bsf.c
+1
-0
h265_metadata_bsf.c
libavcodec/h265_metadata_bsf.c
+1
-0
hapqa_extract_bsf.c
libavcodec/hapqa_extract_bsf.c
+1
-1
hevc_mp4toannexb_bsf.c
libavcodec/hevc_mp4toannexb_bsf.c
+1
-0
imx_dump_header_bsf.c
libavcodec/imx_dump_header_bsf.c
+1
-1
mjpeg2jpeg_bsf.c
libavcodec/mjpeg2jpeg_bsf.c
+1
-1
mjpega_dump_header_bsf.c
libavcodec/mjpega_dump_header_bsf.c
+1
-1
movsub_bsf.c
libavcodec/movsub_bsf.c
+1
-1
mp3_header_decompress_bsf.c
libavcodec/mp3_header_decompress_bsf.c
+1
-1
mpeg2_metadata_bsf.c
libavcodec/mpeg2_metadata_bsf.c
+1
-0
mpeg4_unpack_bframes_bsf.c
libavcodec/mpeg4_unpack_bframes_bsf.c
+1
-1
noise_bsf.c
libavcodec/noise_bsf.c
+1
-1
null_bsf.c
libavcodec/null_bsf.c
+1
-1
prores_metadata_bsf.c
libavcodec/prores_metadata_bsf.c
+2
-0
remove_extradata_bsf.c
libavcodec/remove_extradata_bsf.c
+1
-0
trace_headers_bsf.c
libavcodec/trace_headers_bsf.c
+1
-0
truehd_core_bsf.c
libavcodec/truehd_core_bsf.c
+1
-1
vp9_metadata_bsf.c
libavcodec/vp9_metadata_bsf.c
+1
-0
vp9_raw_reorder_bsf.c
libavcodec/vp9_raw_reorder_bsf.c
+1
-0
vp9_superframe_bsf.c
libavcodec/vp9_superframe_bsf.c
+2
-1
vp9_superframe_split_bsf.c
libavcodec/vp9_superframe_split_bsf.c
+1
-1
No files found.
doc/APIchanges
View file @
bdd6aa25
...
...
@@ -16,6 +16,7 @@ libavutil: 2017-10-21
API changes, most recent first:
2020-xx-xx - xxxxxxxxxx - lavc 58.87.100 - avcodec.h codec_par.h
Move AVBitstreamFilter-related public API to new header bsf.h.
Move AVCodecParameters-related public API to new header codec_par.h.
2020-05-xx - xxxxxxxxxx - lavc 56.86.101 - avcodec.h
...
...
libavcodec/Makefile
View file @
bdd6aa25
...
...
@@ -6,6 +6,7 @@ HEADERS = ac3_parser.h \
avcodec.h
\
avdct.h
\
avfft.h
\
bsf.h
\
codec_desc.h
\
codec_id.h
\
codec_par.h
\
...
...
libavcodec/aac_adtstoasc_bsf.c
View file @
bdd6aa25
...
...
@@ -21,7 +21,7 @@
#include "adts_header.h"
#include "adts_parser.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "put_bits.h"
#include "get_bits.h"
...
...
libavcodec/av1_frame_merge_bsf.c
View file @
bdd6aa25
...
...
@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_av1.h"
...
...
libavcodec/av1_frame_split_bsf.c
View file @
bdd6aa25
...
...
@@ -32,7 +32,7 @@
#include "libavutil/avassert.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_av1.h"
...
...
libavcodec/av1_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -19,6 +19,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_av1.h"
...
...
libavcodec/avcodec.h
View file @
bdd6aa25
...
...
@@ -41,6 +41,7 @@
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "bsf.h"
#include "codec_desc.h"
#include "codec_par.h"
#include "codec_id.h"
...
...
@@ -4382,106 +4383,7 @@ typedef struct AVBitStreamFilterContext {
*/
char
*
args
;
}
AVBitStreamFilterContext
;
#endif
typedef
struct
AVBSFInternal
AVBSFInternal
;
/**
* The bitstream filter state.
*
* This struct must be allocated with av_bsf_alloc() and freed with
* av_bsf_free().
*
* The fields in the struct will only be changed (by the caller or by the
* filter) as described in their documentation, and are to be considered
* immutable otherwise.
*/
typedef
struct
AVBSFContext
{
/**
* A class for logging and AVOptions
*/
const
AVClass
*
av_class
;
/**
* The bitstream filter this context is an instance of.
*/
const
struct
AVBitStreamFilter
*
filter
;
/**
* Opaque libavcodec internal data. Must not be touched by the caller in any
* way.
*/
AVBSFInternal
*
internal
;
/**
* Opaque filter-specific private data. If filter->priv_class is non-NULL,
* this is an AVOptions-enabled struct.
*/
void
*
priv_data
;
/**
* Parameters of the input stream. This field is allocated in
* av_bsf_alloc(), it needs to be filled by the caller before
* av_bsf_init().
*/
AVCodecParameters
*
par_in
;
/**
* Parameters of the output stream. This field is allocated in
* av_bsf_alloc(), it is set by the filter in av_bsf_init().
*/
AVCodecParameters
*
par_out
;
/**
* The timebase used for the timestamps of the input packets. Set by the
* caller before av_bsf_init().
*/
AVRational
time_base_in
;
/**
* The timebase used for the timestamps of the output packets. Set by the
* filter in av_bsf_init().
*/
AVRational
time_base_out
;
}
AVBSFContext
;
typedef
struct
AVBitStreamFilter
{
const
char
*
name
;
/**
* A list of codec ids supported by the filter, terminated by
* AV_CODEC_ID_NONE.
* May be NULL, in that case the bitstream filter works with any codec id.
*/
const
enum
AVCodecID
*
codec_ids
;
/**
* A class for the private data, used to declare bitstream filter private
* AVOptions. This field is NULL for bitstream filters that do not declare
* any options.
*
* If this field is non-NULL, the first member of the filter private data
* must be a pointer to AVClass, which will be set by libavcodec generic
* code to this class.
*/
const
AVClass
*
priv_class
;
/*****************************************************************
* No fields below this line are part of the public API. They
* may not be used outside of libavcodec and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
int
priv_data_size
;
int
(
*
init
)(
AVBSFContext
*
ctx
);
int
(
*
filter
)(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
void
(
*
close
)(
AVBSFContext
*
ctx
);
void
(
*
flush
)(
AVBSFContext
*
ctx
);
}
AVBitStreamFilter
;
#if FF_API_OLD_BSF
/**
* @deprecated the old bitstream filtering API (using AVBitStreamFilterContext)
* is deprecated. Use the new bitstream filtering API (using AVBSFContext).
...
...
@@ -4521,196 +4423,11 @@ attribute_deprecated
const
AVBitStreamFilter
*
av_bitstream_filter_next
(
const
AVBitStreamFilter
*
f
);
#endif
/**
* @return a bitstream filter with the specified name or NULL if no such
* bitstream filter exists.
*/
const
AVBitStreamFilter
*
av_bsf_get_by_name
(
const
char
*
name
);
/**
* Iterate over all registered bitstream filters.
*
* @param opaque a pointer where libavcodec will store the iteration state. Must
* point to NULL to start the iteration.
*
* @return the next registered bitstream filter or NULL when the iteration is
* finished
*/
const
AVBitStreamFilter
*
av_bsf_iterate
(
void
**
opaque
);
#if FF_API_NEXT
attribute_deprecated
const
AVBitStreamFilter
*
av_bsf_next
(
void
**
opaque
);
#endif
/**
* Allocate a context for a given bitstream filter. The caller must fill in the
* context parameters as described in the documentation and then call
* av_bsf_init() before sending any data to the filter.
*
* @param filter the filter for which to allocate an instance.
* @param ctx a pointer into which the pointer to the newly-allocated context
* will be written. It must be freed with av_bsf_free() after the
* filtering is done.
*
* @return 0 on success, a negative AVERROR code on failure
*/
int
av_bsf_alloc
(
const
AVBitStreamFilter
*
filter
,
AVBSFContext
**
ctx
);
/**
* Prepare the filter for use, after all the parameters and options have been
* set.
*/
int
av_bsf_init
(
AVBSFContext
*
ctx
);
/**
* Submit a packet for filtering.
*
* After sending each packet, the filter must be completely drained by calling
* av_bsf_receive_packet() repeatedly until it returns AVERROR(EAGAIN) or
* AVERROR_EOF.
*
* @param pkt the packet to filter. The bitstream filter will take ownership of
* the packet and reset the contents of pkt. pkt is not touched if an error occurs.
* If pkt is empty (i.e. NULL, or pkt->data is NULL and pkt->side_data_elems zero),
* it signals the end of the stream (i.e. no more non-empty packets will be sent;
* sending more empty packets does nothing) and will cause the filter to output
* any packets it may have buffered internally.
*
* @return 0 on success, a negative AVERROR on error. This function never fails if
* pkt is empty.
*/
int
av_bsf_send_packet
(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
/**
* Retrieve a filtered packet.
*
* @param[out] pkt this struct will be filled with the contents of the filtered
* packet. It is owned by the caller and must be freed using
* av_packet_unref() when it is no longer needed.
* This parameter should be "clean" (i.e. freshly allocated
* with av_packet_alloc() or unreffed with av_packet_unref())
* when this function is called. If this function returns
* successfully, the contents of pkt will be completely
* overwritten by the returned data. On failure, pkt is not
* touched.
*
* @return 0 on success. AVERROR(EAGAIN) if more packets need to be sent to the
* filter (using av_bsf_send_packet()) to get more output. AVERROR_EOF if there
* will be no further output from the filter. Another negative AVERROR value if
* an error occurs.
*
* @note one input packet may result in several output packets, so after sending
* a packet with av_bsf_send_packet(), this function needs to be called
* repeatedly until it stops returning 0. It is also possible for a filter to
* output fewer packets than were sent to it, so this function may return
* AVERROR(EAGAIN) immediately after a successful av_bsf_send_packet() call.
*/
int
av_bsf_receive_packet
(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
/**
* Reset the internal bitstream filter state / flush internal buffers.
*/
void
av_bsf_flush
(
AVBSFContext
*
ctx
);
/**
* Free a bitstream filter context and everything associated with it; write NULL
* into the supplied pointer.
*/
void
av_bsf_free
(
AVBSFContext
**
ctx
);
/**
* Get the AVClass for AVBSFContext. It can be used in combination with
* AV_OPT_SEARCH_FAKE_OBJ for examining options.
*
* @see av_opt_find().
*/
const
AVClass
*
av_bsf_get_class
(
void
);
/**
* Structure for chain/list of bitstream filters.
* Empty list can be allocated by av_bsf_list_alloc().
*/
typedef
struct
AVBSFList
AVBSFList
;
/**
* Allocate empty list of bitstream filters.
* The list must be later freed by av_bsf_list_free()
* or finalized by av_bsf_list_finalize().
*
* @return Pointer to @ref AVBSFList on success, NULL in case of failure
*/
AVBSFList
*
av_bsf_list_alloc
(
void
);
/**
* Free list of bitstream filters.
*
* @param lst Pointer to pointer returned by av_bsf_list_alloc()
*/
void
av_bsf_list_free
(
AVBSFList
**
lst
);
/**
* Append bitstream filter to the list of bitstream filters.
*
* @param lst List to append to
* @param bsf Filter context to be appended
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_append
(
AVBSFList
*
lst
,
AVBSFContext
*
bsf
);
/**
* Construct new bitstream filter context given it's name and options
* and append it to the list of bitstream filters.
*
* @param lst List to append to
* @param bsf_name Name of the bitstream filter
* @param options Options for the bitstream filter, can be set to NULL
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_append2
(
AVBSFList
*
lst
,
const
char
*
bsf_name
,
AVDictionary
**
options
);
/**
* Finalize list of bitstream filters.
*
* This function will transform @ref AVBSFList to single @ref AVBSFContext,
* so the whole chain of bitstream filters can be treated as single filter
* freshly allocated by av_bsf_alloc().
* If the call is successful, @ref AVBSFList structure is freed and lst
* will be set to NULL. In case of failure, caller is responsible for
* freeing the structure by av_bsf_list_free()
*
* @param lst Filter list structure to be transformed
* @param[out] bsf Pointer to be set to newly created @ref AVBSFContext structure
* representing the chain of bitstream filters
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_finalize
(
AVBSFList
**
lst
,
AVBSFContext
**
bsf
);
/**
* Parse string describing list of bitstream filters and create single
* @ref AVBSFContext describing the whole chain of bitstream filters.
* Resulting @ref AVBSFContext can be treated as any other @ref AVBSFContext freshly
* allocated by av_bsf_alloc().
*
* @param str String describing chain of bitstream filters in format
* `bsf1[=opt1=val1:opt2=val2][,bsf2]`
* @param[out] bsf Pointer to be set to newly created @ref AVBSFContext structure
* representing the chain of bitstream filters
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_parse_str
(
const
char
*
str
,
AVBSFContext
**
bsf
);
/**
* Get null/pass-through bitstream filter.
*
* @param[out] bsf Pointer to be set to new instance of pass-through bitstream filter
*
* @return
*/
int
av_bsf_get_null_filter
(
AVBSFContext
**
bsf
);
/* memory */
/**
...
...
libavcodec/bsf.c
View file @
bdd6aa25
...
...
@@ -25,8 +25,10 @@
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "codec_desc.h"
#include "codec_par.h"
#define IS_EMPTY(pkt) (!(pkt)->data && !(pkt)->side_data_elems)
...
...
libavcodec/bsf.h
0 → 100644
View file @
bdd6aa25
/*
* Bitstream filters public API
*
* 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 AVCODEC_BSF_H
#define AVCODEC_BSF_H
#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavutil/rational.h"
#include "codec_id.h"
#include "codec_par.h"
#include "packet.h"
/**
* @addtogroup lavc_core
* @{
*/
typedef
struct
AVBSFInternal
AVBSFInternal
;
/**
* The bitstream filter state.
*
* This struct must be allocated with av_bsf_alloc() and freed with
* av_bsf_free().
*
* The fields in the struct will only be changed (by the caller or by the
* filter) as described in their documentation, and are to be considered
* immutable otherwise.
*/
typedef
struct
AVBSFContext
{
/**
* A class for logging and AVOptions
*/
const
AVClass
*
av_class
;
/**
* The bitstream filter this context is an instance of.
*/
const
struct
AVBitStreamFilter
*
filter
;
/**
* Opaque libavcodec internal data. Must not be touched by the caller in any
* way.
*/
AVBSFInternal
*
internal
;
/**
* Opaque filter-specific private data. If filter->priv_class is non-NULL,
* this is an AVOptions-enabled struct.
*/
void
*
priv_data
;
/**
* Parameters of the input stream. This field is allocated in
* av_bsf_alloc(), it needs to be filled by the caller before
* av_bsf_init().
*/
AVCodecParameters
*
par_in
;
/**
* Parameters of the output stream. This field is allocated in
* av_bsf_alloc(), it is set by the filter in av_bsf_init().
*/
AVCodecParameters
*
par_out
;
/**
* The timebase used for the timestamps of the input packets. Set by the
* caller before av_bsf_init().
*/
AVRational
time_base_in
;
/**
* The timebase used for the timestamps of the output packets. Set by the
* filter in av_bsf_init().
*/
AVRational
time_base_out
;
}
AVBSFContext
;
typedef
struct
AVBitStreamFilter
{
const
char
*
name
;
/**
* A list of codec ids supported by the filter, terminated by
* AV_CODEC_ID_NONE.
* May be NULL, in that case the bitstream filter works with any codec id.
*/
const
enum
AVCodecID
*
codec_ids
;
/**
* A class for the private data, used to declare bitstream filter private
* AVOptions. This field is NULL for bitstream filters that do not declare
* any options.
*
* If this field is non-NULL, the first member of the filter private data
* must be a pointer to AVClass, which will be set by libavcodec generic
* code to this class.
*/
const
AVClass
*
priv_class
;
/*****************************************************************
* No fields below this line are part of the public API. They
* may not be used outside of libavcodec and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
int
priv_data_size
;
int
(
*
init
)(
AVBSFContext
*
ctx
);
int
(
*
filter
)(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
void
(
*
close
)(
AVBSFContext
*
ctx
);
void
(
*
flush
)(
AVBSFContext
*
ctx
);
}
AVBitStreamFilter
;
/**
* @return a bitstream filter with the specified name or NULL if no such
* bitstream filter exists.
*/
const
AVBitStreamFilter
*
av_bsf_get_by_name
(
const
char
*
name
);
/**
* Iterate over all registered bitstream filters.
*
* @param opaque a pointer where libavcodec will store the iteration state. Must
* point to NULL to start the iteration.
*
* @return the next registered bitstream filter or NULL when the iteration is
* finished
*/
const
AVBitStreamFilter
*
av_bsf_iterate
(
void
**
opaque
);
/**
* Allocate a context for a given bitstream filter. The caller must fill in the
* context parameters as described in the documentation and then call
* av_bsf_init() before sending any data to the filter.
*
* @param filter the filter for which to allocate an instance.
* @param ctx a pointer into which the pointer to the newly-allocated context
* will be written. It must be freed with av_bsf_free() after the
* filtering is done.
*
* @return 0 on success, a negative AVERROR code on failure
*/
int
av_bsf_alloc
(
const
AVBitStreamFilter
*
filter
,
AVBSFContext
**
ctx
);
/**
* Prepare the filter for use, after all the parameters and options have been
* set.
*/
int
av_bsf_init
(
AVBSFContext
*
ctx
);
/**
* Submit a packet for filtering.
*
* After sending each packet, the filter must be completely drained by calling
* av_bsf_receive_packet() repeatedly until it returns AVERROR(EAGAIN) or
* AVERROR_EOF.
*
* @param pkt the packet to filter. The bitstream filter will take ownership of
* the packet and reset the contents of pkt. pkt is not touched if an error occurs.
* If pkt is empty (i.e. NULL, or pkt->data is NULL and pkt->side_data_elems zero),
* it signals the end of the stream (i.e. no more non-empty packets will be sent;
* sending more empty packets does nothing) and will cause the filter to output
* any packets it may have buffered internally.
*
* @return 0 on success, a negative AVERROR on error. This function never fails if
* pkt is empty.
*/
int
av_bsf_send_packet
(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
/**
* Retrieve a filtered packet.
*
* @param[out] pkt this struct will be filled with the contents of the filtered
* packet. It is owned by the caller and must be freed using
* av_packet_unref() when it is no longer needed.
* This parameter should be "clean" (i.e. freshly allocated
* with av_packet_alloc() or unreffed with av_packet_unref())
* when this function is called. If this function returns
* successfully, the contents of pkt will be completely
* overwritten by the returned data. On failure, pkt is not
* touched.
*
* @return 0 on success. AVERROR(EAGAIN) if more packets need to be sent to the
* filter (using av_bsf_send_packet()) to get more output. AVERROR_EOF if there
* will be no further output from the filter. Another negative AVERROR value if
* an error occurs.
*
* @note one input packet may result in several output packets, so after sending
* a packet with av_bsf_send_packet(), this function needs to be called
* repeatedly until it stops returning 0. It is also possible for a filter to
* output fewer packets than were sent to it, so this function may return
* AVERROR(EAGAIN) immediately after a successful av_bsf_send_packet() call.
*/
int
av_bsf_receive_packet
(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
);
/**
* Reset the internal bitstream filter state / flush internal buffers.
*/
void
av_bsf_flush
(
AVBSFContext
*
ctx
);
/**
* Free a bitstream filter context and everything associated with it; write NULL
* into the supplied pointer.
*/
void
av_bsf_free
(
AVBSFContext
**
ctx
);
/**
* Get the AVClass for AVBSFContext. It can be used in combination with
* AV_OPT_SEARCH_FAKE_OBJ for examining options.
*
* @see av_opt_find().
*/
const
AVClass
*
av_bsf_get_class
(
void
);
/**
* Structure for chain/list of bitstream filters.
* Empty list can be allocated by av_bsf_list_alloc().
*/
typedef
struct
AVBSFList
AVBSFList
;
/**
* Allocate empty list of bitstream filters.
* The list must be later freed by av_bsf_list_free()
* or finalized by av_bsf_list_finalize().
*
* @return Pointer to @ref AVBSFList on success, NULL in case of failure
*/
AVBSFList
*
av_bsf_list_alloc
(
void
);
/**
* Free list of bitstream filters.
*
* @param lst Pointer to pointer returned by av_bsf_list_alloc()
*/
void
av_bsf_list_free
(
AVBSFList
**
lst
);
/**
* Append bitstream filter to the list of bitstream filters.
*
* @param lst List to append to
* @param bsf Filter context to be appended
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_append
(
AVBSFList
*
lst
,
AVBSFContext
*
bsf
);
/**
* Construct new bitstream filter context given it's name and options
* and append it to the list of bitstream filters.
*
* @param lst List to append to
* @param bsf_name Name of the bitstream filter
* @param options Options for the bitstream filter, can be set to NULL
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_append2
(
AVBSFList
*
lst
,
const
char
*
bsf_name
,
AVDictionary
**
options
);
/**
* Finalize list of bitstream filters.
*
* This function will transform @ref AVBSFList to single @ref AVBSFContext,
* so the whole chain of bitstream filters can be treated as single filter
* freshly allocated by av_bsf_alloc().
* If the call is successful, @ref AVBSFList structure is freed and lst
* will be set to NULL. In case of failure, caller is responsible for
* freeing the structure by av_bsf_list_free()
*
* @param lst Filter list structure to be transformed
* @param[out] bsf Pointer to be set to newly created @ref AVBSFContext structure
* representing the chain of bitstream filters
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_finalize
(
AVBSFList
**
lst
,
AVBSFContext
**
bsf
);
/**
* Parse string describing list of bitstream filters and create single
* @ref AVBSFContext describing the whole chain of bitstream filters.
* Resulting @ref AVBSFContext can be treated as any other @ref AVBSFContext freshly
* allocated by av_bsf_alloc().
*
* @param str String describing chain of bitstream filters in format
* `bsf1[=opt1=val1:opt2=val2][,bsf2]`
* @param[out] bsf Pointer to be set to newly created @ref AVBSFContext structure
* representing the chain of bitstream filters
*
* @return >=0 on success, negative AVERROR in case of failure
*/
int
av_bsf_list_parse_str
(
const
char
*
str
,
AVBSFContext
**
bsf
);
/**
* Get null/pass-through bitstream filter.
*
* @param[out] bsf Pointer to be set to new instance of pass-through bitstream filter
*
* @return
*/
int
av_bsf_get_null_filter
(
AVBSFContext
**
bsf
);
/**
* @}
*/
#endif // AVCODEC_BSF_H
libavcodec/bsf_internal.h
View file @
bdd6aa25
...
...
@@ -19,7 +19,10 @@
#ifndef AVCODEC_BSF_INTERNAL_H
#define AVCODEC_BSF_INTERNAL_H
#include "avcodec.h"
#include "libavutil/log.h"
#include "bsf.h"
#include "packet.h"
/**
* Called by the bitstream filters to get the next packet for filtering.
...
...
libavcodec/chomp_bsf.c
View file @
bdd6aa25
...
...
@@ -19,7 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
static
int
chomp_filter
(
AVBSFContext
*
ctx
,
AVPacket
*
pkt
)
...
...
libavcodec/dca_core_bsf.c
View file @
bdd6aa25
...
...
@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "dca_syncwords.h"
...
...
libavcodec/dump_extradata_bsf.c
View file @
bdd6aa25
...
...
@@ -20,7 +20,7 @@
#include <string.h>
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "libavutil/log.h"
...
...
libavcodec/eac3_core_bsf.c
View file @
bdd6aa25
...
...
@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "get_bits.h"
#include "ac3_parser_internal.h"
...
...
libavcodec/extract_extradata_bsf.c
View file @
bdd6aa25
...
...
@@ -23,9 +23,9 @@
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "av1.h"
#include "av1_parse.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "h2645_parse.h"
...
...
libavcodec/filter_units_bsf.c
View file @
bdd6aa25
...
...
@@ -21,6 +21,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
...
...
libavcodec/h264_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -21,6 +21,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_h264.h"
...
...
libavcodec/h264_mp4toannexb_bsf.c
View file @
bdd6aa25
...
...
@@ -26,6 +26,7 @@
#include "libavutil/mem.h"
#include "avcodec.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "h264.h"
...
...
libavcodec/h264_redundant_pps_bsf.c
View file @
bdd6aa25
...
...
@@ -21,6 +21,7 @@
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_h264.h"
...
...
libavcodec/h265_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -19,6 +19,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_h265.h"
...
...
libavcodec/hapqa_extract_bsf.c
View file @
bdd6aa25
...
...
@@ -25,7 +25,7 @@
* extract one of the two textures of the HAQA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "hap.h"
...
...
libavcodec/hevc_mp4toannexb_bsf.c
View file @
bdd6aa25
...
...
@@ -25,6 +25,7 @@
#include "libavutil/mem.h"
#include "avcodec.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "hevc.h"
...
...
libavcodec/imx_dump_header_bsf.c
View file @
bdd6aa25
...
...
@@ -25,7 +25,7 @@
* modifies bitstream to fit in mov and be decoded by final cut pro decoder
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "bytestream.h"
...
...
libavcodec/mjpeg2jpeg_bsf.c
View file @
bdd6aa25
...
...
@@ -29,7 +29,7 @@
#include "libavutil/error.h"
#include "libavutil/intreadwrite.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "jpegtables.h"
#include "mjpeg.h"
...
...
libavcodec/mjpega_dump_header_bsf.c
View file @
bdd6aa25
...
...
@@ -25,7 +25,7 @@
* modifies bitstream to be decoded by quicktime
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "mjpeg.h"
...
...
libavcodec/movsub_bsf.c
View file @
bdd6aa25
...
...
@@ -20,7 +20,7 @@
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
static
int
text2movsub
(
AVBSFContext
*
ctx
,
AVPacket
*
out
)
...
...
libavcodec/mp3_header_decompress_bsf.c
View file @
bdd6aa25
...
...
@@ -20,7 +20,7 @@
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "mpegaudiodecheader.h"
#include "mpegaudiodata.h"
...
...
libavcodec/mpeg2_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -20,6 +20,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_mpeg2.h"
...
...
libavcodec/mpeg4_unpack_bframes_bsf.c
View file @
bdd6aa25
...
...
@@ -19,7 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "internal.h"
#include "mpeg4video.h"
...
...
libavcodec/noise_bsf.c
View file @
bdd6aa25
...
...
@@ -20,7 +20,7 @@
#include <stdlib.h>
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "libavutil/log.h"
...
...
libavcodec/null_bsf.c
View file @
bdd6aa25
...
...
@@ -21,7 +21,7 @@
* Null bitstream filter -- pass the input through unchanged.
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
const
AVBitStreamFilter
ff_null_bsf
=
{
...
...
libavcodec/prores_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -28,6 +28,8 @@
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
typedef
struct
ProresMetadataContext
{
...
...
libavcodec/remove_extradata_bsf.c
View file @
bdd6aa25
...
...
@@ -22,6 +22,7 @@
#include "libavutil/opt.h"
#include "avcodec.h"
#include "bsf.h"
#include "bsf_internal.h"
enum
RemoveFreq
{
...
...
libavcodec/trace_headers_bsf.c
View file @
bdd6aa25
...
...
@@ -22,6 +22,7 @@
#include "libavutil/common.h"
#include "libavutil/log.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
...
...
libavcodec/truehd_core_bsf.c
View file @
bdd6aa25
...
...
@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "get_bits.h"
#include "mlp_parse.h"
...
...
libavcodec/vp9_metadata_bsf.c
View file @
bdd6aa25
...
...
@@ -20,6 +20,7 @@
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_vp9.h"
...
...
libavcodec/vp9_raw_reorder_bsf.c
View file @
bdd6aa25
...
...
@@ -21,6 +21,7 @@
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "get_bits.h"
#include "put_bits.h"
...
...
libavcodec/vp9_superframe_bsf.c
View file @
bdd6aa25
...
...
@@ -20,7 +20,8 @@
*/
#include "libavutil/avassert.h"
#include "avcodec.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "get_bits.h"
...
...
libavcodec/vp9_superframe_split_bsf.c
View file @
bdd6aa25
...
...
@@ -24,7 +24,7 @@
#include <stddef.h>
#include "
avcodec
.h"
#include "
bsf
.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "get_bits.h"
...
...
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