virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

Merge commit 'f6974fe651d29ef6eb68d66d73f7b6c011062aa0'

Browse Source 
* commit 'f6974fe651d29ef6eb68d66d73f7b6c011062aa0':
  lavfi: Drop deprecated AVFilterBuffer* code

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This commit is contained in:
Hendrik Leppkes 2015-09-05 16:22:03 +02:00
commit 033764e015
11 changed files with 0 additions and 966 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libavfilter/Makefile
View File

@ -14,7 +14,6 @@ OBJS = allfilters.o \
audio.o \
avfilter.o \
avfiltergraph.o \
buffer.o \
buffersink.o \
buffersrc.o \
drawutils.o \

100
libavfilter/audio.c
View File

@ -28,15 +28,6 @@
#include "avfilter.h"
#include "internal.h"
#if FF_API_AVFILTERBUFFER
FF_DISABLE_DEPRECATION_WARNINGS
int avfilter_ref_get_channels(AVFilterBufferRef *ref)
{
return ref->audio ? ref->audio->channels : 0;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
AVFrame *ff_null_get_audio_buffer(AVFilterLink *link, int nb_samples)
{
return ff_get_audio_buffer(link->dst->outputs[0], nb_samples);
@ -83,94 +74,3 @@ AVFrame *ff_get_audio_buffer(AVFilterLink *link, int nb_samples)
return ret;
}
#if FF_API_AVFILTERBUFFER
FF_DISABLE_DEPRECATION_WARNINGS
AVFilterBufferRef* avfilter_get_audio_buffer_ref_from_arrays_channels(uint8_t **data,
int linesize,int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
int channels,
uint64_t channel_layout)
{
int planes;
AVFilterBuffer *samples = av_mallocz(sizeof(*samples));
AVFilterBufferRef *samplesref = av_mallocz(sizeof(*samplesref));
if (!samples || !samplesref)
goto fail;
av_assert0(channels);
av_assert0(channel_layout == 0 ||
channels == av_get_channel_layout_nb_channels(channel_layout));
samplesref->buf = samples;
samplesref->buf->free = ff_avfilter_default_free_buffer;
if (!(samplesref->audio = av_mallocz(sizeof(*samplesref->audio))))
goto fail;
samplesref->audio->nb_samples = nb_samples;
samplesref->audio->channel_layout = channel_layout;
samplesref->audio->channels = channels;
planes = av_sample_fmt_is_planar(sample_fmt) ? channels : 1;
/* make sure the buffer gets read permission or it's useless for output */
samplesref->perms = perms | AV_PERM_READ;
samples->refcount = 1;
samplesref->type = AVMEDIA_TYPE_AUDIO;
samplesref->format = sample_fmt;
memcpy(samples->data, data,
FFMIN(FF_ARRAY_ELEMS(samples->data), planes)*sizeof(samples->data[0]));
memcpy(samplesref->data, samples->data, sizeof(samples->data));
samples->linesize[0] = samplesref->linesize[0] = linesize;
if (planes > FF_ARRAY_ELEMS(samples->data)) {
samples-> extended_data = av_mallocz_array(sizeof(*samples->extended_data),
planes);
samplesref->extended_data = av_mallocz_array(sizeof(*samplesref->extended_data),
planes);
if (!samples->extended_data || !samplesref->extended_data)
goto fail;
memcpy(samples-> extended_data, data, sizeof(*data)*planes);
memcpy(samplesref->extended_data, data, sizeof(*data)*planes);
} else {
samples->extended_data = samples->data;
samplesref->extended_data = samplesref->data;
}
samplesref->pts = AV_NOPTS_VALUE;
return samplesref;
fail:
if (samples && samples->extended_data != samples->data)
av_freep(&samples->extended_data);
if (samplesref) {
av_freep(&samplesref->audio);
if (samplesref->extended_data != samplesref->data)
av_freep(&samplesref->extended_data);
}
av_freep(&samplesref);
av_freep(&samples);
return NULL;
}
AVFilterBufferRef* avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data,
int linesize,int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
uint64_t channel_layout)
{
int channels = av_get_channel_layout_nb_channels(channel_layout);
return avfilter_get_audio_buffer_ref_from_arrays_channels(data, linesize, perms,
nb_samples, sample_fmt,
channels, channel_layout);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif

259
libavfilter/avfilter.h
View File

@ -66,182 +66,6 @@ typedef struct AVFilterLink AVFilterLink;
typedef struct AVFilterPad AVFilterPad;
typedef struct AVFilterFormats AVFilterFormats;
#if FF_API_AVFILTERBUFFER
/**
* A reference-counted buffer data type used by the filter system. Filters
* should not store pointers to this structure directly, but instead use the
* AVFilterBufferRef structure below.
*/
typedef struct AVFilterBuffer {
uint8_t *data[8]; ///< buffer data for each plane/channel
/**
* pointers to the data planes/channels.
*
* For video, this should simply point to data[].
*
* For planar audio, each channel has a separate data pointer, and
* linesize[0] contains the size of each channel buffer.
* For packed audio, there is just one data pointer, and linesize[0]
* contains the total size of the buffer for all channels.
*
* Note: Both data and extended_data will always be set, but for planar
* audio with more channels that can fit in data, extended_data must be used
* in order to access all channels.
*/
uint8_t **extended_data;
int linesize[8]; ///< number of bytes per line
/** private data to be used by a custom free function */
void *priv;
/**
* A pointer to the function to deallocate this buffer if the default
* function is not sufficient. This could, for example, add the memory
* back into a memory pool to be reused later without the overhead of
* reallocating it from scratch.
*/
void (*free)(struct AVFilterBuffer *buf);
int format; ///< media format
int w, h; ///< width and height of the allocated buffer
unsigned refcount; ///< number of references to this buffer
} AVFilterBuffer;
#define AV_PERM_READ 0x01 ///< can read from the buffer
#define AV_PERM_WRITE 0x02 ///< can write to the buffer
#define AV_PERM_PRESERVE 0x04 ///< nobody else can overwrite the buffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
#define AV_PERM_NEG_LINESIZES 0x20 ///< the buffer requested can have negative linesizes
#define AV_PERM_ALIGN 0x40 ///< the buffer must be aligned
#define AVFILTER_ALIGN 16 //not part of ABI
/**
* Audio specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, audio specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefAudioProps {
uint64_t channel_layout; ///< channel layout of audio buffer
int nb_samples; ///< number of audio samples per channel
int sample_rate; ///< audio buffer sample rate
int channels; ///< number of channels (do not access directly)
} AVFilterBufferRefAudioProps;
/**
* Video specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, video specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefVideoProps {
int w; ///< image width
int h; ///< image height
AVRational sample_aspect_ratio; ///< sample aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
enum AVPictureType pict_type; ///< picture type of the frame
int key_frame; ///< 1 -> keyframe, 0-> not
int qp_table_linesize; ///< qp_table stride
int qp_table_size; ///< qp_table size
int8_t *qp_table; ///< array of Quantization Parameters
} AVFilterBufferRefVideoProps;
/**
* A reference to an AVFilterBuffer. Since filters can manipulate the origin of
* a buffer to, for example, crop image without any memcpy, the buffer origin
* and dimensions are per-reference properties. Linesize is also useful for
* image flipping, frame to field filters, etc, and so is also per-reference.
*
* TODO: add anything necessary for frame reordering
*/
typedef struct AVFilterBufferRef {
AVFilterBuffer *buf; ///< the buffer that this is a reference to
uint8_t *data[8]; ///< picture/audio data for each plane
/**
* pointers to the data planes/channels.
*
* For video, this should simply point to data[].
*
* For planar audio, each channel has a separate data pointer, and
* linesize[0] contains the size of each channel buffer.
* For packed audio, there is just one data pointer, and linesize[0]
* contains the total size of the buffer for all channels.
*
* Note: Both data and extended_data will always be set, but for planar
* audio with more channels that can fit in data, extended_data must be used
* in order to access all channels.
*/
uint8_t **extended_data;
int linesize[8]; ///< number of bytes per line
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
AVFilterBufferRefAudioProps *audio; ///< audio buffer specific properties
/**
* presentation timestamp. The time unit may change during
* filtering, as it is specified in the link and the filter code
* may need to rescale the PTS accordingly.
*/
int64_t pts;
int64_t pos; ///< byte position in stream, -1 if unknown
int format; ///< media format
int perms; ///< permissions, see the AV_PERM_* flags
enum AVMediaType type; ///< media type of buffer data
AVDictionary *metadata; ///< dictionary containing metadata key=value tags
} AVFilterBufferRef;
/**
* Copy properties of src to dst, without copying the actual data
*/
attribute_deprecated
void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, const AVFilterBufferRef *src);
/**
* Add a new reference to a buffer.
*
* @param ref an existing reference to the buffer
* @param pmask a bitmask containing the allowable permissions in the new
* reference
* @return a new reference to the buffer with the same properties as the
* old, excluding any permissions denied by pmask
*/
attribute_deprecated
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);
/**
* Remove a reference to a buffer. If this is the last reference to the
* buffer, the buffer itself is also automatically freed.
*
* @param ref reference to the buffer, may be NULL
*
* @note it is recommended to use avfilter_unref_bufferp() instead of this
* function
*/
attribute_deprecated
void avfilter_unref_buffer(AVFilterBufferRef *ref);
/**
* Remove a reference to a buffer and set the pointer to NULL.
* If this is the last reference to the buffer, the buffer itself
* is also automatically freed.
*
* @param ref pointer to the buffer reference
*/
attribute_deprecated
void avfilter_unref_bufferp(AVFilterBufferRef **ref);
/**
* Get the number of channels of a buffer reference.
*/
attribute_deprecated
int avfilter_ref_get_channels(AVFilterBufferRef *ref);
#endif
/**
* Get the number of elements in a NULL-terminated array of AVFilterPads (e.g.
* AVFilter.inputs/outputs).
@ -742,69 +566,6 @@ void avfilter_link_set_closed(AVFilterLink *link, int closed);
*/
int avfilter_config_links(AVFilterContext *filter);
#if FF_API_AVFILTERBUFFER
/**
* Create a buffer reference wrapped around an already allocated image
* buffer.
*
* @param data pointers to the planes of the image to reference
* @param linesize linesizes for the planes of the image to reference
* @param perms the required access permissions
* @param w the width of the image specified by the data and linesize arrays
* @param h the height of the image specified by the data and linesize arrays
* @param format the pixel format of the image specified by the data and linesize arrays
*/
attribute_deprecated
AVFilterBufferRef *
avfilter_get_video_buffer_ref_from_arrays(uint8_t * const data[4], const int linesize[4], int perms,
int w, int h, enum AVPixelFormat format);
/**
* Create an audio buffer reference wrapped around an already
* allocated samples buffer.
*
* See avfilter_get_audio_buffer_ref_from_arrays_channels() for a version
* that can handle unknown channel layouts.
*
* @param data pointers to the samples plane buffers
* @param linesize linesize for the samples plane buffers
* @param perms the required access permissions
* @param nb_samples number of samples per channel
* @param sample_fmt the format of each sample in the buffer to allocate
* @param channel_layout the channel layout of the buffer
*/
attribute_deprecated
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data,
int linesize,
int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
uint64_t channel_layout);
/**
* Create an audio buffer reference wrapped around an already
* allocated samples buffer.
*
* @param data pointers to the samples plane buffers
* @param linesize linesize for the samples plane buffers
* @param perms the required access permissions
* @param nb_samples number of samples per channel
* @param sample_fmt the format of each sample in the buffer to allocate
* @param channels the number of channels of the buffer
* @param channel_layout the channel layout of the buffer,
* must be either 0 or consistent with channels
*/
attribute_deprecated
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays_channels(uint8_t **data,
int linesize,
int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
int channels,
uint64_t channel_layout);
#endif
#define AVFILTER_CMD_FLAG_ONE 1 ///< Stop once a filter understood the command (for target=all for example), fast filters are favored automatically
#define AVFILTER_CMD_FLAG_FAST 2 ///< Only execute command when its fast (like a video out that supports contrast adjustment in hw)
@ -951,26 +712,6 @@ void avfilter_free(AVFilterContext *filter);
int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
unsigned filt_srcpad_idx, unsigned filt_dstpad_idx);
#if FF_API_AVFILTERBUFFER
/**
* Copy the frame properties of src to dst, without copying the actual
* image data.
*
* @return 0 on success, a negative number on error.
*/
attribute_deprecated
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
/**
* Copy the frame properties and data pointers of src to dst, without copying
* the actual data.
*
* @return 0 on success, a negative number on error.
*/
attribute_deprecated
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
#endif
/**
* @return AVClass for AVFilterContext.
*

179
libavfilter/buffer.c
View File

@ -1,179 +0,0 @@
/*
* Copyright Stefano Sabatini <stefasab gmail com>
* Copyright Anton Khirnov <anton khirnov net>
* Copyright Michael Niedermayer <michaelni gmx at>
*
* 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
*/
#include "libavutil/channel_layout.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavcodec/avcodec.h"
#include "avfilter.h"
#include "internal.h"
#include "audio.h"
#include "avcodec.h"
#include "version.h"
#if FF_API_AVFILTERBUFFER
void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr)
{
if (ptr->extended_data != ptr->data)
av_freep(&ptr->extended_data);
av_freep(&ptr->data[0]);
av_free(ptr);
}
static int copy_video_props(AVFilterBufferRefVideoProps *dst, AVFilterBufferRefVideoProps *src) {
*dst = *src;
if (src->qp_table) {
int qsize = src->qp_table_size;
dst->qp_table = av_malloc(qsize);
if (!dst->qp_table) {
av_log(NULL, AV_LOG_ERROR, "Failed to allocate qp_table\n");
dst->qp_table_size = 0;
return AVERROR(ENOMEM);
}
memcpy(dst->qp_table, src->qp_table, qsize);
}
return 0;
}
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
if (!ret)
return NULL;
*ret = *ref;
ret->metadata = NULL;
av_dict_copy(&ret->metadata, ref->metadata, 0);
if (ref->type == AVMEDIA_TYPE_VIDEO) {
ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
if (!ret->video) {
av_free(ret);
return NULL;
}
copy_video_props(ret->video, ref->video);
ret->extended_data = ret->data;
} else if (ref->type == AVMEDIA_TYPE_AUDIO) {
ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps));
if (!ret->audio) {
av_free(ret);
return NULL;
}
*ret->audio = *ref->audio;
if (ref->extended_data && ref->extended_data != ref->data) {
int nb_channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout);
if (!(ret->extended_data = av_malloc_array(sizeof(*ret->extended_data),
nb_channels))) {
av_freep(&ret->audio);
av_freep(&ret);
return NULL;
}
memcpy(ret->extended_data, ref->extended_data,
sizeof(*ret->extended_data) * nb_channels);
} else
ret->extended_data = ret->data;
}
ret->perms &= pmask;
ret->buf->refcount ++;
return ret;
}
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
av_assert0(ref->buf->refcount > 0);
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
if (ref->extended_data != ref->data)
av_freep(&ref->extended_data);
if (ref->video)
av_freep(&ref->video->qp_table);
av_freep(&ref->video);
av_freep(&ref->audio);
av_dict_free(&ref->metadata);
av_free(ref);
}
void avfilter_unref_bufferp(AVFilterBufferRef **ref)
{
FF_DISABLE_DEPRECATION_WARNINGS
avfilter_unref_buffer(*ref);
FF_ENABLE_DEPRECATION_WARNINGS
*ref = NULL;
}
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
{
dst->pts = src->pts;
dst->pos = av_frame_get_pkt_pos(src);
dst->format = src->format;
av_dict_free(&dst->metadata);
av_dict_copy(&dst->metadata, av_frame_get_metadata(src), 0);
switch (dst->type) {
case AVMEDIA_TYPE_VIDEO:
dst->video->w = src->width;
dst->video->h = src->height;
dst->video->sample_aspect_ratio = src->sample_aspect_ratio;
dst->video->interlaced = src->interlaced_frame;
dst->video->top_field_first = src->top_field_first;
dst->video->key_frame = src->key_frame;
dst->video->pict_type = src->pict_type;
break;
case AVMEDIA_TYPE_AUDIO:
dst->audio->sample_rate = src->sample_rate;
dst->audio->channel_layout = src->channel_layout;
break;
default:
return AVERROR(EINVAL);
}
return 0;
}
void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, const AVFilterBufferRef *src)
{
// copy common properties
dst->pts = src->pts;
dst->pos = src->pos;
switch (src->type) {
case AVMEDIA_TYPE_VIDEO: {
if (dst->video->qp_table)
av_freep(&dst->video->qp_table);
copy_video_props(dst->video, src->video);
break;
}
case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
default: break;
}
av_dict_free(&dst->metadata);
av_dict_copy(&dst->metadata, src->metadata, 0);
}
#endif /* FF_API_AVFILTERBUFFER */

157
libavfilter/buffersink.c
View File

@ -266,95 +266,6 @@ void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size)
inlink->partial_buf_size = frame_size;
}
#if FF_API_AVFILTERBUFFER
FF_DISABLE_DEPRECATION_WARNINGS
static void compat_free_buffer(AVFilterBuffer *buf)
{
AVFrame *frame = buf->priv;
av_frame_free(&frame);
av_free(buf);
}
static int compat_read(AVFilterContext *ctx,
AVFilterBufferRef **pbuf, int nb_samples, int flags)
{
AVFilterBufferRef *buf;
AVFrame *frame;
int ret;
if (!pbuf)
return ff_poll_frame(ctx->inputs[0]);
frame = av_frame_alloc();
if (!frame)
return AVERROR(ENOMEM);
if (!nb_samples)
ret = av_buffersink_get_frame_flags(ctx, frame, flags);
else
ret = av_buffersink_get_samples(ctx, frame, nb_samples);
if (ret < 0)
goto fail;
AV_NOWARN_DEPRECATED(
if (ctx->inputs[0]->type == AVMEDIA_TYPE_VIDEO) {
buf = avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize,
AV_PERM_READ,
frame->width, frame->height,
frame->format);
} else {
buf = avfilter_get_audio_buffer_ref_from_arrays(frame->extended_data,
frame->linesize[0], AV_PERM_READ,
frame->nb_samples,
frame->format,
frame->channel_layout);
}
if (!buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
avfilter_copy_frame_props(buf, frame);
)
buf->buf->priv = frame;
buf->buf->free = compat_free_buffer;
*pbuf = buf;
return 0;
fail:
av_frame_free(&frame);
return ret;
}
int attribute_align_arg av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf)
{
return compat_read(ctx, buf, 0, 0);
}
int attribute_align_arg av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf,
int nb_samples)
{
return compat_read(ctx, buf, nb_samples, 0);
}
int attribute_align_arg av_buffersink_get_buffer_ref(AVFilterContext *ctx,
AVFilterBufferRef **bufref, int flags)
{
*bufref = NULL;
av_assert0( !strcmp(ctx->filter->name, "buffersink")
|| !strcmp(ctx->filter->name, "abuffersink")
|| !strcmp(ctx->filter->name, "ffbuffersink")
|| !strcmp(ctx->filter->name, "ffabuffersink"));
return compat_read(ctx, bufref, 0, flags);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx)
{
av_assert0( !strcmp(ctx->filter->name, "buffersink")
@ -363,23 +274,6 @@ AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx)
return ctx->inputs[0]->frame_rate;
}
#if FF_API_AVFILTERBUFFER
FF_DISABLE_DEPRECATION_WARNINGS
int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
av_assert0( !strcmp(ctx->filter->name, "buffersink")
|| !strcmp(ctx->filter->name, "abuffersink")
|| !strcmp(ctx->filter->name, "ffbuffersink")
|| !strcmp(ctx->filter->name, "ffabuffersink"));
return av_fifo_size(buf->fifo)/FIFO_INIT_ELEMENT_SIZE + ff_poll_frame(inlink);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
static av_cold int vsink_init(AVFilterContext *ctx, void *opaque)
{
BufferSinkContext *buf = ctx->priv;
@ -518,57 +412,6 @@ static const AVOption abuffersink_options[] = {
AVFILTER_DEFINE_CLASS(buffersink);
AVFILTER_DEFINE_CLASS(abuffersink);
#if FF_API_AVFILTERBUFFER
#define ffbuffersink_options buffersink_options
#define ffabuffersink_options abuffersink_options
AVFILTER_DEFINE_CLASS(ffbuffersink);
AVFILTER_DEFINE_CLASS(ffabuffersink);
static const AVFilterPad ffbuffersink_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL },
};
AVFilter ff_vsink_ffbuffersink = {
.name = "ffbuffersink",
.description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them available to the end of the filter graph."),
.priv_size = sizeof(BufferSinkContext),
.priv_class = &ffbuffersink_class,
.init_opaque = vsink_init,
.uninit = uninit,
.query_formats = vsink_query_formats,
.inputs = ffbuffersink_inputs,
.outputs = NULL,
};
static const AVFilterPad ffabuffersink_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
},
{ NULL },
};
AVFilter ff_asink_ffabuffersink = {
.name = "ffabuffersink",
.description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them available to the end of the filter graph."),
.init_opaque = asink_init,
.uninit = uninit,
.priv_size = sizeof(BufferSinkContext),
.priv_class = &ffabuffersink_class,
.query_formats = asink_query_formats,
.inputs = ffabuffersink_inputs,
.outputs = NULL,
};
#endif /* FF_API_AVFILTERBUFFER */
static const AVFilterPad avfilter_vsink_buffer_inputs[] = {
{
.name = "default",

57
libavfilter/buffersink.h
View File

@ -33,63 +33,6 @@
* @{
*/
#if FF_API_AVFILTERBUFFER
/**
* Get an audio/video buffer data from buffer_sink and put it in bufref.
*
* This function works with both audio and video buffer sinks.
*
* @param buffer_sink pointer to a buffersink or abuffersink context
* @param flags a combination of AV_BUFFERSINK_FLAG_* flags
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
*/
attribute_deprecated
int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink,
AVFilterBufferRef **bufref, int flags);
/**
* Get the number of immediately available frames.
*/
attribute_deprecated
int av_buffersink_poll_frame(AVFilterContext *ctx);
/**
* Get a buffer with filtered data from sink and put it in buf.
*
* @param ctx pointer to a context of a buffersink or abuffersink AVFilter.
* @param buf pointer to the buffer will be written here if buf is non-NULL. buf
* must be freed by the caller using avfilter_unref_buffer().
* Buf may also be NULL to query whether a buffer is ready to be
* output.
*
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure.
*/
attribute_deprecated
int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf);
/**
* Same as av_buffersink_read, but with the ability to specify the number of
* samples read. This function is less efficient than av_buffersink_read(),
* because it copies the data around.
*
* @param ctx pointer to a context of the abuffersink AVFilter.
* @param buf pointer to the buffer will be written here if buf is non-NULL. buf
* must be freed by the caller using avfilter_unref_buffer(). buf
* will contain exactly nb_samples audio samples, except at the end
* of stream, when it can contain less than nb_samples.
* Buf may also be NULL to query whether a buffer is ready to be
* output.
*
* @warning do not mix this function with av_buffersink_read(). Use only one or
* the other with a single sink, not both.
*/
attribute_deprecated
int av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf,
int nb_samples);
#endif
/**
* Get a frame with filtered data from sink and put it in frame.
*

121
libavfilter/buffersrc.c
View File

@ -184,127 +184,6 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
return 0;
}
#if FF_API_AVFILTERBUFFER
FF_DISABLE_DEPRECATION_WARNINGS
static void compat_free_buffer(void *opaque, uint8_t *data)
{
AVFilterBufferRef *buf = opaque;
AV_NOWARN_DEPRECATED(
avfilter_unref_buffer(buf);
)
}
static void compat_unref_buffer(void *opaque, uint8_t *data)
{
AVBufferRef *buf = opaque;
AV_NOWARN_DEPRECATED(
av_buffer_unref(&buf);
)
}
int av_buffersrc_add_ref(AVFilterContext *ctx, AVFilterBufferRef *buf,
int flags)
{
BufferSourceContext *s = ctx->priv;
AVFrame *frame = NULL;
AVBufferRef *dummy_buf = NULL;
int ret = 0, planes, i;
if (!buf) {
s->eof = 1;
return 0;
} else if (s->eof)
return AVERROR(EINVAL);
frame = av_frame_alloc();
if (!frame)
return AVERROR(ENOMEM);
dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, buf,
(buf->perms & AV_PERM_WRITE) ? 0 : AV_BUFFER_FLAG_READONLY);
if (!dummy_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
AV_NOWARN_DEPRECATED(
if ((ret = avfilter_copy_buf_props(frame, buf)) < 0)
goto fail;
)
#define WRAP_PLANE(ref_out, data, data_size) \
do { \
AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
if (!dummy_ref) { \
ret = AVERROR(ENOMEM); \
goto fail; \
} \
ref_out = av_buffer_create(data, data_size, compat_unref_buffer, \
dummy_ref, (buf->perms & AV_PERM_WRITE) ? 0 : AV_BUFFER_FLAG_READONLY); \
if (!ref_out) { \
av_buffer_unref(&dummy_ref); \
av_frame_unref(frame); \
ret = AVERROR(ENOMEM); \
goto fail; \
} \
} while (0)
if (ctx->outputs[0]->type == AVMEDIA_TYPE_VIDEO) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
planes = av_pix_fmt_count_planes(frame->format);
if (!desc || planes <= 0) {
ret = AVERROR(EINVAL);
goto fail;
}
for (i = 0; i < planes; i++) {
int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
int plane_size = (frame->height >> v_shift) * frame->linesize[i];
WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
}
} else {
int planar = av_sample_fmt_is_planar(frame->format);
int channels = av_get_channel_layout_nb_channels(frame->channel_layout);
planes = planar ? channels : 1;
if (planes > FF_ARRAY_ELEMS(frame->buf)) {
frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
frame->extended_buf = av_mallocz_array(sizeof(*frame->extended_buf),
frame->nb_extended_buf);
if (!frame->extended_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
for (i = 0; i < planes - FF_ARRAY_ELEMS(frame->buf); i++)
WRAP_PLANE(frame->extended_buf[i],
frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
frame->linesize[0]);
}
ret = av_buffersrc_add_frame_flags(ctx, frame, flags);
fail:
av_buffer_unref(&dummy_buf);
av_frame_free(&frame);
return ret;
}
FF_ENABLE_DEPRECATION_WARNINGS
int av_buffersrc_buffer(AVFilterContext *ctx, AVFilterBufferRef *buf)
{
return av_buffersrc_add_ref(ctx, buf, 0);
}
#endif
static av_cold int init_video(AVFilterContext *ctx)
{
BufferSourceContext *c = ctx->priv;

37
libavfilter/buffersrc.h
View File

@ -42,13 +42,6 @@ enum {
*/
AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1,
#if FF_API_AVFILTERBUFFER
/**
* Ignored
*/
AV_BUFFERSRC_FLAG_NO_COPY = 2,
#endif
/**
* Immediately push the frame to the output.
*/
@ -63,21 +56,6 @@ enum {
};
#if FF_API_AVFILTERBUFFER
/**
* Add buffer data in picref to buffer_src.
*
* @param buffer_src pointer to a buffer source context
* @param picref a buffer reference, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*/
attribute_deprecated
int av_buffersrc_add_ref(AVFilterContext *buffer_src,
AVFilterBufferRef *picref, int flags);
#endif
/**
* Get the number of failed requests.
*
@ -87,21 +65,6 @@ int av_buffersrc_add_ref(AVFilterContext *buffer_src,
*/
unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src);
#if FF_API_AVFILTERBUFFER
/**
* Add a buffer to a filtergraph.
*
* @param ctx an instance of the buffersrc filter
* @param buf buffer containing frame data to be passed down the filtergraph.
* This function will take ownership of buf, the user must not free it.
* A NULL buf signals EOF -- i.e. no more frames will be sent to this filter.
*
* @deprecated use av_buffersrc_write_frame() or av_buffersrc_add_frame()
*/
attribute_deprecated
int av_buffersrc_buffer(AVFilterContext *ctx, AVFilterBufferRef *buf);
#endif
/**
* Add a frame to the buffer source.
*

5
libavfilter/internal.h
View File

@ -162,11 +162,6 @@ struct AVFilterInternal {
avfilter_execute_func *execute;
};
#if FF_API_AVFILTERBUFFER
/** default handler for freeing audio/video buffer when there are no references left */
void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);
#endif
/** Tell is a format is contained in the provided list terminated by -1. */
int ff_fmt_is_in(int fmt, const int *fmts);

3
libavfilter/version.h
View File

@ -49,9 +49,6 @@
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_AVFILTERBUFFER
#define FF_API_AVFILTERBUFFER (LIBAVFILTER_VERSION_MAJOR < 6)
#endif
#ifndef FF_API_OLD_FILTER_OPTS
#define FF_API_OLD_FILTER_OPTS (LIBAVFILTER_VERSION_MAJOR < 6)
#endif

47
libavfilter/video.c
View File

@ -59,53 +59,6 @@ AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
return frame;
}
#if FF_API_AVFILTERBUFFER
AVFilterBufferRef *
avfilter_get_video_buffer_ref_from_arrays(uint8_t * const data[4], const int linesize[4], int perms,
int w, int h, enum AVPixelFormat format)
{
AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer));
AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef));
if (!pic || !picref)
goto fail;
picref->buf = pic;
picref->buf->free = ff_avfilter_default_free_buffer;
if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps))))
goto fail;
pic->w = picref->video->w = w;
pic->h = picref->video->h = h;
/* make sure the buffer gets read permission or it's useless for output */
picref->perms = perms | AV_PERM_READ;
pic->refcount = 1;
picref->type = AVMEDIA_TYPE_VIDEO;
pic->format = picref->format = format;
memcpy(pic->data, data, 4*sizeof(data[0]));
memcpy(pic->linesize, linesize, 4*sizeof(linesize[0]));
memcpy(picref->data, pic->data, sizeof(picref->data));
memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize));
pic-> extended_data = pic->data;
picref->extended_data = picref->data;
picref->pts = AV_NOPTS_VALUE;
return picref;
fail:
if (picref && picref->video)
av_free(picref->video);
av_free(picref);
av_free(pic);
return NULL;
}
#endif
AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h)
{
AVFrame *ret = NULL;