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Remove unused libavutil bindings #2124

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Merged
WyattBlue merged 1 commit into from
Jan 23, 2026
Merged

Remove unused libavutil bindings #2124

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1 change: 0 additions & 1 deletion include/libav.pxd
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
include "libavutil/avutil.pxd"
include "libavutil/buffer.pxd"
include "libavutil/channel_layout.pxd"
include "libavutil/dict.pxd"
include "libavutil/error.pxd"
include "libavutil/frame.pxd"
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119 changes: 6 additions & 113 deletions include/libavutil/avutil.pxd
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@ cdef extern from "libavutil/rational.h" nogil:
cdef int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)

cdef extern from "libavutil/avutil.h" nogil:

cdef const char* av_version_info()
cdef int avutil_version()
cdef char* avutil_configuration()
Expand Down Expand Up @@ -107,13 +106,9 @@ cdef extern from "libavutil/avutil.h" nogil:
AVCOL_TRC_ARIB_STD_B67
AVCOL_TRC_NB

cdef double M_PI

cdef void* av_malloc(size_t size)
cdef void* av_mallocz(size_t size)
cdef void *av_calloc(size_t nmemb, size_t size)
cdef void *av_realloc(void *ptr, size_t size)

cdef void* av_realloc(void *ptr, size_t size)
cdef void av_free(void *ptr)
cdef void av_freep(void *ptr)

Expand All @@ -126,56 +121,15 @@ cdef extern from "libavutil/avutil.h" nogil:
AVSampleFormat sample_fmt,
int align
)

# See: http://ffmpeg.org/doxygen/trunk/structAVRational.html
ctypedef struct AVRational:
int num
int den

cdef AVRational AV_TIME_BASE_Q

# Rescales from one time base to another
cdef int64_t av_rescale_q(
int64_t a, # time stamp
AVRational bq, # source time base
AVRational cq # target time base
)

# Rescale a 64-bit integer with specified rounding.
# A simple a*b/c isn't possible as it can overflow
cdef int64_t av_rescale_rnd(
int64_t a,
int64_t b,
int64_t c,
int r # should be AVRounding, but then we can't use bitwise logic.
)

cdef int64_t av_rescale_q_rnd(
int64_t a,
AVRational bq,
AVRational cq,
int r # should be AVRounding, but then we can't use bitwise logic.
)

cdef int64_t av_rescale(
int64_t a,
int64_t b,
int64_t c
)

cdef char* av_strdup(char *s)

cdef int av_opt_set_int(
void *obj,
char *name,
int64_t value,
int search_flags
)

cdef int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
cdef int64_t av_rescale(int64_t a, int64_t b, int64_t c)
cdef const char* av_get_media_type_string(AVMediaType media_type)

cdef extern from "libavutil/pixdesc.h" nogil:

# See: http://ffmpeg.org/doxygen/trunk/structAVComponentDescriptor.html
cdef struct AVComponentDescriptor:
unsigned int plane
Expand Down Expand Up @@ -215,56 +169,25 @@ cdef extern from "libavutil/pixdesc.h" nogil:
int av_get_padded_bits_per_pixel(AVPixFmtDescriptor *pixdesc)


cdef extern from "libavutil/channel_layout.h" nogil:

# Layouts.
cdef uint64_t av_get_channel_layout(char* name)
cdef int av_get_channel_layout_nb_channels(uint64_t channel_layout)
cdef int64_t av_get_default_channel_layout(int nb_channels)

# Channels.
cdef uint64_t av_channel_layout_extract_channel(uint64_t layout, int index)
cdef char* av_get_channel_name(uint64_t channel)
cdef char* av_get_channel_description(uint64_t channel)


cdef extern from "libavutil/audio_fifo.h" nogil:

cdef struct AVAudioFifo:
pass

cdef void av_audio_fifo_free(AVAudioFifo *af)

cdef AVAudioFifo* av_audio_fifo_alloc(
AVSampleFormat sample_fmt,
int channels,
int nb_samples
AVSampleFormat sample_fmt, int channels, int nb_samples
)

cdef int av_audio_fifo_write(
AVAudioFifo *af,
void **data,
int nb_samples
)

cdef int av_audio_fifo_read(
AVAudioFifo *af,
void **data,
int nb_samples
)

cdef int av_audio_fifo_write(AVAudioFifo *af, void **data, int nb_samples)
cdef int av_audio_fifo_read(AVAudioFifo *af, void **data, int nb_samples)
cdef int av_audio_fifo_size(AVAudioFifo *af)
cdef int av_audio_fifo_space (AVAudioFifo *af)


cdef extern from "stdarg.h" nogil:
# For logging. Should really be in another PXD.
ctypedef struct va_list:
pass


cdef extern from "Python.h" nogil:
# For logging. See av/logging.pyx for an explanation.
cdef int Py_AddPendingCall(void *, void *)
void PyErr_PrintEx(int set_sys_last_vars)
int Py_IsInitialized()
Expand Down Expand Up @@ -310,7 +233,6 @@ cdef extern from "libavutil/opt.h" nogil:
AV_OPT_FLAG_FILTERING_PARAM

cdef struct AVOption:

const char *name
const char *help
AVOptionType type
Expand All @@ -325,7 +247,6 @@ cdef extern from "libavutil/opt.h" nogil:


cdef extern from "libavutil/imgutils.h" nogil:

cdef int av_image_alloc(
uint8_t *pointers[4],
int linesizes[4],
Expand All @@ -341,37 +262,12 @@ cdef extern from "libavutil/imgutils.h" nogil:
uint8_t *ptr,
const int linesizes[4]
)
cdef int av_image_fill_linesizes(
int linesizes[4],
AVPixelFormat pix_fmt,
int width,
)


cdef extern from "libavutil/log.h" nogil:

cdef enum AVClassCategory:
AV_CLASS_CATEGORY_NA
AV_CLASS_CATEGORY_INPUT
AV_CLASS_CATEGORY_OUTPUT
AV_CLASS_CATEGORY_MUXER
AV_CLASS_CATEGORY_DEMUXER
AV_CLASS_CATEGORY_ENCODER
AV_CLASS_CATEGORY_DECODER
AV_CLASS_CATEGORY_FILTER
AV_CLASS_CATEGORY_BITSTREAM_FILTER
AV_CLASS_CATEGORY_SWSCALER
AV_CLASS_CATEGORY_SWRESAMPLER
AV_CLASS_CATEGORY_NB

cdef struct AVClass:

const char *class_name
const char *(*item_name)(void*) nogil

AVClassCategory category
int parent_log_context_offset

const AVOption *option

cdef enum:
Expand All @@ -386,10 +282,7 @@ cdef extern from "libavutil/log.h" nogil:
AV_LOG_TRACE
AV_LOG_MAX_OFFSET

# Send a log.
void av_log(void *ptr, int level, const char *fmt, ...)

# Get the logs.
ctypedef void(*av_log_callback)(void *, int, const char *, va_list)
void av_log_default_callback(void *, int, const char *, va_list)
void av_log_set_callback (av_log_callback callback)
Expand Down
11 changes: 0 additions & 11 deletions include/libavutil/channel_layout.pxd
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