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Code Issues Releases Activity

avfilter/framepool: fix alignment requirements for audio and video filters

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This commit is contained in:
Paul B Mahol 2022-02-20 19:06:52 +01:00
parent 9da19c2909
commit 17a59a634c
3 changed files with 18 additions and 22 deletions
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11
libavfilter/audio.c
View File

@ -22,15 +22,13 @@
#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/cpu.h"
#include "audio.h"
#include "avfilter.h"
#include "framepool.h"
#include "internal.h"
#define BUFFER_ALIGN 0
AVFrame *ff_null_get_audio_buffer(AVFilterLink *link, int nb_samples)
{
return ff_get_audio_buffer(link->dst->outputs[0], nb_samples);
@ -41,12 +39,13 @@ AVFrame *ff_default_get_audio_buffer(AVFilterLink *link, int nb_samples)
AVFrame *frame = NULL;
int channels = link->channels;
int channel_layout_nb_channels = av_get_channel_layout_nb_channels(link->channel_layout);
int align = av_cpu_max_align();
av_assert0(channels == channel_layout_nb_channels || !channel_layout_nb_channels);
if (!link->frame_pool) {
link->frame_pool = ff_frame_pool_audio_init(av_buffer_allocz, channels,
nb_samples, link->format, BUFFER_ALIGN);
nb_samples, link->format, align);
if (!link->frame_pool)
return NULL;
} else {
@ -62,11 +61,11 @@ AVFrame *ff_default_get_audio_buffer(AVFilterLink *link, int nb_samples)
}
if (pool_channels != channels || pool_nb_samples < nb_samples ||
pool_format != link->format || pool_align != BUFFER_ALIGN) {
pool_format != link->format || pool_align != align) {
ff_frame_pool_uninit((FFFramePool **)&link->frame_pool);
link->frame_pool = ff_frame_pool_audio_init(av_buffer_allocz, channels,
nb_samples, link->format, BUFFER_ALIGN);
nb_samples, link->format, align);
if (!link->frame_pool)
return NULL;
}

18
libavfilter/framepool.c
View File

@ -76,27 +76,25 @@ FFFramePool *ff_frame_pool_video_init(AVBufferRef* (*alloc)(size_t size),
}
if (!pool->linesize[0]) {
for(i = 1; i <= align; i += i) {
ret = av_image_fill_linesizes(pool->linesize, pool->format,
FFALIGN(pool->width, i));
if (ret < 0) {
goto fail;
}
if (!(pool->linesize[0] & (pool->align - 1)))
break;
ret = av_image_fill_linesizes(pool->linesize, pool->format,
FFALIGN(pool->width, align));
if (ret < 0) {
goto fail;
}
for (i = 0; i < 4 && pool->linesize[i]; i++) {
pool->linesize[i] = FFALIGN(pool->linesize[i], pool->align);
if ((pool->linesize[i] & (pool->align - 1)))
goto fail;
}
}
for (i = 0; i < 4 && pool->linesize[i]; i++) {
int h = FFALIGN(pool->height, 32);
int h = pool->height;
if (i == 1 || i == 2)
h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
pool->pools[i] = av_buffer_pool_init(pool->linesize[i] * h + 16 + 16 - 1,
pool->pools[i] = av_buffer_pool_init(pool->linesize[i] * h + align,
alloc);
if (!pool->pools[i])
goto fail;

11
libavfilter/video.c
View File

@ -24,6 +24,7 @@
#include <stdio.h>
#include "libavutil/buffer.h"
#include "libavutil/cpu.h"
#include "libavutil/hwcontext.h"
#include "libavutil/imgutils.h"
@ -32,9 +33,6 @@
#include "internal.h"
#include "video.h"
#define BUFFER_ALIGN 32
AVFrame *ff_null_get_video_buffer(AVFilterLink *link, int w, int h)
{
return ff_get_video_buffer(link->dst->outputs[0], w, h);
@ -46,6 +44,7 @@ AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
int pool_width = 0;
int pool_height = 0;
int pool_align = 0;
int align = av_cpu_max_align();
enum AVPixelFormat pool_format = AV_PIX_FMT_NONE;
if (link->hw_frames_ctx &&
@ -65,7 +64,7 @@ AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
if (!link->frame_pool) {
link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
link->format, BUFFER_ALIGN);
link->format, align);
if (!link->frame_pool)
return NULL;
} else {
@ -76,11 +75,11 @@ AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
}
if (pool_width != w || pool_height != h ||
pool_format != link->format || pool_align != BUFFER_ALIGN) {
pool_format != link->format || pool_align != align) {
ff_frame_pool_uninit((FFFramePool **)&link->frame_pool);
link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
link->format, BUFFER_ALIGN);
link->format, align);
if (!link->frame_pool)
return NULL;
}