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Setup more of the setup

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This commit is contained in:
Henrik Rydgård 2024-04-10 18:26:09 +02:00
parent 8d4716cab6
commit c902973688
14 changed files with 2134 additions and 10 deletions
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6
Common/Common.vcxproj
View file

@ -385,6 +385,7 @@
</Lib>
</ItemDefinitionGroup>
<ItemGroup>
<ClInclude Include="..\ext\at3_standalone\at3_decoders.h" />
<ClInclude Include="..\ext\at3_standalone\atrac.h" />
<ClInclude Include="..\ext\at3_standalone\atrac3data.h" />
<ClInclude Include="..\ext\at3_standalone\atrac3plus.h" />
@ -405,14 +406,17 @@
<ClInclude Include="..\ext\at3_standalone\float_dsp.h" />
<ClInclude Include="..\ext\at3_standalone\frame.h" />
<ClInclude Include="..\ext\at3_standalone\get_bits.h" />
<ClInclude Include="..\ext\at3_standalone\internal.h" />
<ClInclude Include="..\ext\at3_standalone\intfloat.h" />
<ClInclude Include="..\ext\at3_standalone\intreadwrite.h" />
<ClInclude Include="..\ext\at3_standalone\libm.h" />
<ClInclude Include="..\ext\at3_standalone\macros.h" />
<ClInclude Include="..\ext\at3_standalone\mathematics.h" />
<ClInclude Include="..\ext\at3_standalone\mathops.h" />
<ClInclude Include="..\ext\at3_standalone\pixdesc.h" />
<ClInclude Include="..\ext\at3_standalone\pixfmt.h" />
<ClInclude Include="..\ext\at3_standalone\samplefmt.h" />
<ClInclude Include="..\ext\at3_standalone\util_internal.h" />
<ClInclude Include="..\ext\at3_standalone\version.h" />
<ClInclude Include="..\ext\basis_universal\basisu.h" />
<ClInclude Include="..\ext\basis_universal\basisu_containers.h" />
@ -619,6 +623,7 @@
<ClCompile Include="..\ext\at3_standalone\atrac3plusdsp.c" />
<ClCompile Include="..\ext\at3_standalone\avfft.c" />
<ClCompile Include="..\ext\at3_standalone\float_dsp.c" />
<ClCompile Include="..\ext\at3_standalone\frame.c" />
<ClCompile Include="..\ext\at3_standalone\mathops.c" />
<ClCompile Include="..\ext\basis_universal\basisu_transcoder.cpp" />
<ClCompile Include="..\ext\libpng17\png.c">
@ -886,6 +891,7 @@
</ClCompile>
<ClCompile Include="ArmEmitter.cpp" />
<ClCompile Include="Buffer.cpp" />
<ClCompile Include="compat.c" />
<ClCompile Include="Data\Collections\FastVec.h" />
<ClCompile Include="Data\Color\RGBAUtil.cpp" />
<ClCompile Include="Data\Convert\SmallDataConvert.cpp" />

18
Common/Common.vcxproj.filters
View file

@ -611,6 +611,18 @@
<ClInclude Include="..\ext\at3_standalone\libm.h">
<Filter>ext\at3_standalone</Filter>
</ClInclude>
<ClInclude Include="..\ext\at3_standalone\at3_decoders.h">
<Filter>ext\at3_standalone</Filter>
</ClInclude>
<ClInclude Include="..\ext\at3_standalone\internal.h">
<Filter>ext\at3_standalone</Filter>
</ClInclude>
<ClInclude Include="..\ext\at3_standalone\util_internal.h">
<Filter>ext\at3_standalone</Filter>
</ClInclude>
<ClInclude Include="..\ext\at3_standalone\pixdesc.h">
<Filter>ext\at3_standalone</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="ABI.cpp" />
@ -1089,6 +1101,12 @@
<ClCompile Include="..\ext\at3_standalone\mathops.c">
<Filter>ext\at3_standalone</Filter>
</ClCompile>
<ClCompile Include="compat.c">
<Filter>ext\at3_standalone</Filter>
</ClCompile>
<ClCompile Include="..\ext\at3_standalone\frame.c">
<Filter>ext\at3_standalone</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<Filter Include="Crypto">

19
Common/compat.c Normal file
View file

@ -0,0 +1,19 @@
#include <stdlib.h>
void *av_malloc(size_t size) {
return malloc(size);
}
void *av_mallocz(size_t size) {
return calloc(size, 1);
}
void av_free(void *p) {
free(p);
}
void av_freep(void **p) {
void *pp = *p;
free(pp);
*p = 0;
}

2
Core/Core.vcxproj
View file

@ -573,6 +573,7 @@
<ClCompile Include="HLE\sceUsbAcc.cpp" />
<ClCompile Include="HLE\sceUsbCam.cpp" />
<ClCompile Include="HLE\sceUsbMic.cpp" />
<ClCompile Include="HW\Atrac3Standalone.cpp" />
<ClCompile Include="HW\BufferQueue.cpp" />
<ClCompile Include="HW\Camera.cpp" />
<ClCompile Include="HW\Display.cpp" />
@ -1181,6 +1182,7 @@
<ClInclude Include="HLE\sceUsbAcc.h" />
<ClInclude Include="HLE\sceUsbCam.h" />
<ClInclude Include="HLE\sceUsbMic.h" />
<ClInclude Include="HW\Atrac3Standalone.h" />
<ClInclude Include="HW\Camera.h" />
<ClInclude Include="HW\Display.h" />
<ClInclude Include="Instance.h" />

6
Core/Core.vcxproj.filters
View file

@ -1306,6 +1306,9 @@
<ClCompile Include="Util\MemStick.cpp">
<Filter>Util</Filter>
</ClCompile>
<ClCompile Include="HW\Atrac3Standalone.cpp">
<Filter>HW</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="ELF\ElfReader.h">
@ -2088,6 +2091,9 @@
<ClInclude Include="Util\MemStick.h">
<Filter>Util</Filter>
</ClInclude>
<ClInclude Include="HW\Atrac3Standalone.h">
<Filter>HW</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\LICENSE.TXT" />

55
Core/HW/Atrac3Standalone.cpp Normal file
View file

@ -0,0 +1,55 @@
#pragma once
#include "SimpleAudioDec.h"
#include "ext/at3_standalone/at3_decoders.h"
extern "C" {
#include "ext/at3_standalone/avcodec.h"
}
// Uses our standalone AT3/AT3+ decoder derived from FFMPEG
class Atrac3Audio : public AudioDecoder {
public:
Atrac3Audio(PSPAudioType audioType) {
ctx_ = avcodec_alloc_context3(&ff_atrac3p_decoder);
atrac3p_decode_init(ctx_);
frame_ = av_frame_alloc();
}
~Atrac3Audio() {
atrac3p_decode_close(ctx_);
av_frame_free(&frame_);
}
bool Decode(const uint8_t *inbuf, int inbytes, uint8_t *outbuf, int *outbytes) override {
int got_frame = 0;
int samples = atrac3p_decode_frame(ctx_, frame_, &got_frame, inbuf, inbytes);
return true;
}
bool IsOK() const override { return true; }
int GetOutSamples() const override {
return outSamples_;
}
int GetSourcePos() const override {
return srcPos_;
}
void SetChannels(int channels) override {
// Hmm. ignore for now.
}
PSPAudioType GetAudioType() const override { return audioType_; }
private:
AVCodecContext* ctx_ = nullptr;
AVFrame *frame_ = nullptr;
int outSamples_ = 0;
int srcPos_ = 0;
PSPAudioType audioType_;
};
AudioDecoder *CreateAtrac3Audio(PSPAudioType audioType) {
return new Atrac3Audio(audioType);
}

5
Core/HW/Atrac3Standalone.h Normal file
View file

@ -0,0 +1,5 @@
#pragma once
#include "SimpleAudioDec.h"
AudioDecoder *CreateAtrac3Audio(PSPAudioType audioType);

3
Core/HW/SimpleAudioDec.cpp
View file

@ -25,6 +25,7 @@
#include "Core/HW/SimpleAudioDec.h"
#include "Core/HW/MediaEngine.h"
#include "Core/HW/BufferQueue.h"
#include "Core/HW/Atrac3Standalone.h"
#include "ext/minimp3/minimp3.h"
@ -148,6 +149,8 @@ AudioDecoder *CreateAudioDecoder(PSPAudioType audioType, int sampleRateHz, int c
switch (audioType) {
case PSP_CODEC_MP3:
return new MiniMp3Audio();
case PSP_CODEC_AT3PLUS:
return CreateAtrac3Audio(audioType);
default:
return new SimpleAudio(audioType, sampleRateHz, channels);
}

16
ext/at3_standalone/at3_decoders.h Normal file
View file

@ -0,0 +1,16 @@
#pragma once
#include <cstdint>
struct AVCodecContext;
struct AVFrame;
extern "C" {
#include "avcodec.h"
int atrac3p_decode_init(AVCodecContext *avctx);
int atrac3p_decode_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, const uint8_t *avpkt_data, int avpkt_size);
int atrac3p_decode_close(AVCodecContext *avctx);
extern AVCodec ff_atrac3p_decoder;
}

16
ext/at3_standalone/atrac3plusdec.c
View file

@ -65,7 +65,7 @@ typedef struct ATRAC3PContext {
uint64_t my_channel_layout; ///< current channel layout
} ATRAC3PContext;
static av_cold int atrac3p_decode_close(AVCodecContext *avctx)
int atrac3p_decode_close(AVCodecContext *avctx)
{
ATRAC3PContext *ctx = avctx->priv_data;
@ -144,7 +144,7 @@ static av_cold int set_channel_params(ATRAC3PContext *ctx,
return 0;
}
static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
int atrac3p_decode_init(AVCodecContext *avctx)
{
ATRAC3PContext *ctx = avctx->priv_data;
int i, ch, ret;
@ -327,11 +327,9 @@ static void reconstruct_frame(ATRAC3PContext *ctx, Atrac3pChanUnitCtx *ch_unit,
FFSWAP(Atrac3pWaveSynthParams *, ch_unit->waves_info, ch_unit->waves_info_prev);
}
static int atrac3p_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
int atrac3p_decode_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, const uint8_t *avpkt_data, int avpkt_size)
{
ATRAC3PContext *ctx = avctx->priv_data;
AVFrame *frame = data;
int i, ret, ch_unit_id, ch_block = 0, out_ch_index = 0, channels_to_process;
float **samples_p = (float **)frame->extended_data;
@ -339,7 +337,7 @@ static int atrac3p_decode_frame(AVCodecContext *avctx, void *data,
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
if ((ret = init_get_bits8(&ctx->gb, avpkt->data, avpkt->size)) < 0)
if ((ret = init_get_bits8(&ctx->gb, avpkt_data, avpkt_size)) < 0)
return ret;
if (get_bits1(&ctx->gb)) {
@ -384,13 +382,12 @@ static int atrac3p_decode_frame(AVCodecContext *avctx, void *data,
*got_frame_ptr = 1;
return FFMIN(avctx->block_align, avpkt->size);
return FFMIN(avctx->block_align, avpkt_size);
}
/*
AVCodec ff_atrac3p_decoder = {
.name = "atrac3plus",
.long_name = NULL_IF_CONFIG_SMALL("ATRAC3+ (Adaptive TRansform Acoustic Coding 3+)"),
.long_name = "ATRAC3+ (Adaptive TRansform Acoustic Coding 3+)",
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_ATRAC3P,
.capabilities = AV_CODEC_CAP_DR1,
@ -399,4 +396,3 @@ AVCodec ff_atrac3p_decoder = {
.close = atrac3p_decode_close,
.decode = atrac3p_decode_frame,
};
*/

742
ext/at3_standalone/frame.c Normal file
View file

@ -0,0 +1,742 @@
/*
*
* 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 "channel_layout.h"
// #include "avassert.h"
#include "buffer.h"
#include "common.h"
#include "dict.h"
#include "frame.h"
//#include "imgutils.h"
#include "pixdesc.h"
#include "util_internal.h"
#include "mem.h"
#include "samplefmt.h"
MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_duration)
MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
MAKE_ACCESSORS(AVFrame, frame, int, channels)
MAKE_ACCESSORS(AVFrame, frame, int, sample_rate)
MAKE_ACCESSORS(AVFrame, frame, AVDictionary *, metadata)
MAKE_ACCESSORS(AVFrame, frame, int, decode_error_flags)
MAKE_ACCESSORS(AVFrame, frame, int, pkt_size)
MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range)
#define CHECK_CHANNELS_CONSISTENCY(frame) \
av_assert2(!(frame)->channel_layout || \
(frame)->channels == \
av_get_channel_layout_nb_channels((frame)->channel_layout))
AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;};
#if FF_API_FRAME_QP
int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
{
av_buffer_unref(&f->qp_table_buf);
f->qp_table_buf = buf;
FF_DISABLE_DEPRECATION_WARNINGS
f->qscale_table = buf->data;
f->qstride = stride;
f->qscale_type = qp_type;
FF_ENABLE_DEPRECATION_WARNINGS
return 0;
}
int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
{
FF_DISABLE_DEPRECATION_WARNINGS
*stride = f->qstride;
*type = f->qscale_type;
FF_ENABLE_DEPRECATION_WARNINGS
if (!f->qp_table_buf)
return NULL;
return f->qp_table_buf->data;
}
#endif
const char *av_get_colorspace_name(enum AVColorSpace val)
{
static const char * const name[] = {
[AVCOL_SPC_RGB] = "GBR",
[AVCOL_SPC_BT709] = "bt709",
[AVCOL_SPC_FCC] = "fcc",
[AVCOL_SPC_BT470BG] = "bt470bg",
[AVCOL_SPC_SMPTE170M] = "smpte170m",
[AVCOL_SPC_SMPTE240M] = "smpte240m",
[AVCOL_SPC_YCOCG] = "YCgCo",
};
if ((unsigned)val >= FF_ARRAY_ELEMS(name))
return NULL;
return name[val];
}
static void get_frame_defaults(AVFrame *frame)
{
if (frame->extended_data != frame->data)
av_freep(&frame->extended_data);
memset(frame, 0, sizeof(*frame));
frame->pts =
frame->pkt_dts =
frame->pkt_pts = AV_NOPTS_VALUE;
av_frame_set_best_effort_timestamp(frame, AV_NOPTS_VALUE);
av_frame_set_pkt_duration (frame, 0);
av_frame_set_pkt_pos (frame, -1);
av_frame_set_pkt_size (frame, -1);
frame->key_frame = 1;
frame->sample_aspect_ratio = (AVRational){ 0, 1 };
frame->format = -1; /* unknown */
frame->extended_data = frame->data;
frame->color_primaries = AVCOL_PRI_UNSPECIFIED;
frame->color_trc = AVCOL_TRC_UNSPECIFIED;
frame->colorspace = AVCOL_SPC_UNSPECIFIED;
frame->color_range = AVCOL_RANGE_UNSPECIFIED;
frame->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
}
static void free_side_data(AVFrameSideData **ptr_sd)
{
AVFrameSideData *sd = *ptr_sd;
av_buffer_unref(&sd->buf);
av_dict_free(&sd->metadata);
av_freep(ptr_sd);
}
static void wipe_side_data(AVFrame *frame)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
free_side_data(&frame->side_data[i]);
}
frame->nb_side_data = 0;
av_freep(&frame->side_data);
}
AVFrame *av_frame_alloc(void)
{
AVFrame *frame = av_mallocz(sizeof(*frame));
if (!frame)
return NULL;
frame->extended_data = NULL;
get_frame_defaults(frame);
return frame;
}
void av_frame_free(AVFrame **frame)
{
if (!frame || !*frame)
return;
av_frame_unref(*frame);
av_freep(frame);
}
static int get_video_buffer(AVFrame *frame, int align)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
int ret, i;
if (!desc)
return AVERROR(EINVAL);
if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
return ret;
if (!frame->linesize[0]) {
for(i=1; i<=align; i+=i) {
ret = av_image_fill_linesizes(frame->linesize, frame->format,
FFALIGN(frame->width, i));
if (ret < 0)
return ret;
if (!(frame->linesize[0] & (align-1)))
break;
}
for (i = 0; i < 4 && frame->linesize[i]; i++)
frame->linesize[i] = FFALIGN(frame->linesize[i], align);
}
for (i = 0; i < 4 && frame->linesize[i]; i++) {
int h = FFALIGN(frame->height, 32);
if (i == 1 || i == 2)
h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
if (!frame->buf[i])
goto fail;
frame->data[i] = frame->buf[i]->data;
}
if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
av_buffer_unref(&frame->buf[1]);
frame->buf[1] = av_buffer_alloc(AVPALETTE_SIZE);
if (!frame->buf[1])
goto fail;
frame->data[1] = frame->buf[1]->data;
}
frame->extended_data = frame->data;
return 0;
fail:
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
static int get_audio_buffer(AVFrame *frame, int align)
{
int channels;
int planar = av_sample_fmt_is_planar(frame->format);
int planes;
int ret, i;
if (!frame->channels)
frame->channels = av_get_channel_layout_nb_channels(frame->channel_layout);
channels = frame->channels;
planes = planar ? channels : 1;
CHECK_CHANNELS_CONSISTENCY(frame);
if (!frame->linesize[0]) {
ret = av_samples_get_buffer_size(&frame->linesize[0], channels,
frame->nb_samples, frame->format,
align);
if (ret < 0)
return ret;
}
if (planes > AV_NUM_DATA_POINTERS) {
frame->extended_data = av_mallocz_array(planes,
sizeof(*frame->extended_data));
frame->extended_buf = av_mallocz_array((planes - AV_NUM_DATA_POINTERS),
sizeof(*frame->extended_buf));
if (!frame->extended_data || !frame->extended_buf) {
av_freep(&frame->extended_data);
av_freep(&frame->extended_buf);
return AVERROR(ENOMEM);
}
frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
} else
frame->extended_data = frame->data;
for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
}
for (i = 0; i < planes - AV_NUM_DATA_POINTERS; i++) {
frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->extended_buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
}
return 0;
}
int av_frame_get_buffer(AVFrame *frame, int align)
{
if (frame->format < 0)
return AVERROR(EINVAL);
if (frame->width > 0 && frame->height > 0)
return get_video_buffer(frame, align);
else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0))
return get_audio_buffer(frame, align);
return AVERROR(EINVAL);
}
static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
{
int i;
dst->key_frame = src->key_frame;
dst->pict_type = src->pict_type;
dst->sample_aspect_ratio = src->sample_aspect_ratio;
dst->pts = src->pts;
dst->repeat_pict = src->repeat_pict;
dst->interlaced_frame = src->interlaced_frame;
dst->top_field_first = src->top_field_first;
dst->palette_has_changed = src->palette_has_changed;
dst->sample_rate = src->sample_rate;
dst->opaque = src->opaque;
dst->pkt_pts = src->pkt_pts;
dst->pkt_dts = src->pkt_dts;
dst->pkt_pos = src->pkt_pos;
dst->pkt_size = src->pkt_size;
dst->pkt_duration = src->pkt_duration;
dst->reordered_opaque = src->reordered_opaque;
dst->quality = src->quality;
dst->best_effort_timestamp = src->best_effort_timestamp;
dst->coded_picture_number = src->coded_picture_number;
dst->display_picture_number = src->display_picture_number;
dst->flags = src->flags;
dst->decode_error_flags = src->decode_error_flags;
dst->color_primaries = src->color_primaries;
dst->color_trc = src->color_trc;
dst->colorspace = src->colorspace;
dst->color_range = src->color_range;
dst->chroma_location = src->chroma_location;
av_dict_copy(&dst->metadata, src->metadata, 0);
#if FF_API_ERROR_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
memcpy(dst->error, src->error, sizeof(dst->error));
FF_ENABLE_DEPRECATION_WARNINGS
#endif
for (i = 0; i < src->nb_side_data; i++) {
const AVFrameSideData *sd_src = src->side_data[i];
AVFrameSideData *sd_dst;
if ( sd_src->type == AV_FRAME_DATA_PANSCAN
&& (src->width != dst->width || src->height != dst->height))
continue;
if (force_copy) {
sd_dst = av_frame_new_side_data(dst, sd_src->type,
sd_src->size);
if (!sd_dst) {
wipe_side_data(dst);
return AVERROR(ENOMEM);
}
memcpy(sd_dst->data, sd_src->data, sd_src->size);
} else {
sd_dst = av_frame_new_side_data(dst, sd_src->type, 0);
if (!sd_dst) {
wipe_side_data(dst);
return AVERROR(ENOMEM);
}
sd_dst->buf = av_buffer_ref(sd_src->buf);
if (!sd_dst->buf) {
wipe_side_data(dst);
return AVERROR(ENOMEM);
}
sd_dst->data = sd_dst->buf->data;
sd_dst->size = sd_dst->buf->size;
}
av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
}
#if FF_API_FRAME_QP
FF_DISABLE_DEPRECATION_WARNINGS
dst->qscale_table = NULL;
dst->qstride = 0;
dst->qscale_type = 0;
av_buffer_unref(&dst->qp_table_buf);
if (src->qp_table_buf) {
dst->qp_table_buf = av_buffer_ref(src->qp_table_buf);
if (dst->qp_table_buf) {
dst->qscale_table = dst->qp_table_buf->data;
dst->qstride = src->qstride;
dst->qscale_type = src->qscale_type;
}
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
return 0;
}
int av_frame_ref(AVFrame *dst, const AVFrame *src)
{
int i, ret = 0;
dst->format = src->format;
dst->width = src->width;
dst->height = src->height;
dst->channels = src->channels;
dst->channel_layout = src->channel_layout;
dst->nb_samples = src->nb_samples;
ret = frame_copy_props(dst, src, 0);
if (ret < 0)
return ret;
/* duplicate the frame data if it's not refcounted */
if (!src->buf[0]) {
ret = av_frame_get_buffer(dst, 32);
if (ret < 0)
return ret;
ret = av_frame_copy(dst, src);
if (ret < 0)
av_frame_unref(dst);
return ret;
}
/* ref the buffers */
for (i = 0; i < FF_ARRAY_ELEMS(src->buf); i++) {
if (!src->buf[i])
continue;
dst->buf[i] = av_buffer_ref(src->buf[i]);
if (!dst->buf[i]) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
if (src->extended_buf) {
dst->extended_buf = av_mallocz_array(sizeof(*dst->extended_buf),
src->nb_extended_buf);
if (!dst->extended_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
dst->nb_extended_buf = src->nb_extended_buf;
for (i = 0; i < src->nb_extended_buf; i++) {
dst->extended_buf[i] = av_buffer_ref(src->extended_buf[i]);
if (!dst->extended_buf[i]) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
}
/* duplicate extended data */
if (src->extended_data != src->data) {
int ch = src->channels;
if (!ch) {
ret = AVERROR(EINVAL);
goto fail;
}
CHECK_CHANNELS_CONSISTENCY(src);
dst->extended_data = av_malloc_array(sizeof(*dst->extended_data), ch);
if (!dst->extended_data) {
ret = AVERROR(ENOMEM);
goto fail;
}
memcpy(dst->extended_data, src->extended_data, sizeof(*src->extended_data) * ch);
} else
dst->extended_data = dst->data;
memcpy(dst->data, src->data, sizeof(src->data));
memcpy(dst->linesize, src->linesize, sizeof(src->linesize));
return 0;
fail:
av_frame_unref(dst);
return ret;
}
AVFrame *av_frame_clone(const AVFrame *src)
{
AVFrame *ret = av_frame_alloc();
if (!ret)
return NULL;
if (av_frame_ref(ret, src) < 0)
av_frame_free(&ret);
return ret;
}
void av_frame_unref(AVFrame *frame)
{
int i;
if (!frame)
return;
wipe_side_data(frame);
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
av_buffer_unref(&frame->buf[i]);
for (i = 0; i < frame->nb_extended_buf; i++)
av_buffer_unref(&frame->extended_buf[i]);
av_freep(&frame->extended_buf);
av_dict_free(&frame->metadata);
#if FF_API_FRAME_QP
av_buffer_unref(&frame->qp_table_buf);
#endif
get_frame_defaults(frame);
}
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
{
*dst = *src;
if (src->extended_data == src->data)
dst->extended_data = dst->data;
memset(src, 0, sizeof(*src));
get_frame_defaults(src);
}
int av_frame_is_writable(AVFrame *frame)
{
int i, ret = 1;
/* assume non-refcounted frames are not writable */
if (!frame->buf[0])
return 0;
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
if (frame->buf[i])
ret &= !!av_buffer_is_writable(frame->buf[i]);
for (i = 0; i < frame->nb_extended_buf; i++)
ret &= !!av_buffer_is_writable(frame->extended_buf[i]);
return ret;
}
int av_frame_make_writable(AVFrame *frame)
{
AVFrame tmp;
int ret;
if (!frame->buf[0])
return AVERROR(EINVAL);
if (av_frame_is_writable(frame))
return 0;
memset(&tmp, 0, sizeof(tmp));
tmp.format = frame->format;
tmp.width = frame->width;
tmp.height = frame->height;
tmp.channels = frame->channels;
tmp.channel_layout = frame->channel_layout;
tmp.nb_samples = frame->nb_samples;
ret = av_frame_get_buffer(&tmp, 32);
if (ret < 0)
return ret;
ret = av_frame_copy(&tmp, frame);
if (ret < 0) {
av_frame_unref(&tmp);
return ret;
}
ret = av_frame_copy_props(&tmp, frame);
if (ret < 0) {
av_frame_unref(&tmp);
return ret;
}
av_frame_unref(frame);
*frame = tmp;
if (tmp.data == tmp.extended_data)
frame->extended_data = frame->data;
return 0;
}
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
{
return frame_copy_props(dst, src, 1);
}
AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane)
{
uint8_t *data;
int planes, i;
if (frame->nb_samples) {
int channels = frame->channels;
if (!channels)
return NULL;
CHECK_CHANNELS_CONSISTENCY(frame);
planes = av_sample_fmt_is_planar(frame->format) ? channels : 1;
} else
planes = 4;
if (plane < 0 || plane >= planes || !frame->extended_data[plane])
return NULL;
data = frame->extended_data[plane];
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf) && frame->buf[i]; i++) {
AVBufferRef *buf = frame->buf[i];
if (data >= buf->data && data < buf->data + buf->size)
return buf;
}
for (i = 0; i < frame->nb_extended_buf; i++) {
AVBufferRef *buf = frame->extended_buf[i];
if (data >= buf->data && data < buf->data + buf->size)
return buf;
}
return NULL;
}
AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
enum AVFrameSideDataType type,
int size)
{
AVFrameSideData *ret, **tmp;
if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
return NULL;
tmp = av_realloc(frame->side_data,
(frame->nb_side_data + 1) * sizeof(*frame->side_data));
if (!tmp)
return NULL;
frame->side_data = tmp;
ret = av_mallocz(sizeof(*ret));
if (!ret)
return NULL;
if (size > 0) {
ret->buf = av_buffer_alloc(size);
if (!ret->buf) {
av_freep(&ret);
return NULL;
}
ret->data = ret->buf->data;
ret->size = size;
}
ret->type = type;
frame->side_data[frame->nb_side_data++] = ret;
return ret;
}
AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
enum AVFrameSideDataType type)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
if (frame->side_data[i]->type == type)
return frame->side_data[i];
}
return NULL;
}
static int frame_copy_video(AVFrame *dst, const AVFrame *src)
{
const uint8_t *src_data[4];
int i, planes;
if (dst->width < src->width ||
dst->height < src->height)
return AVERROR(EINVAL);
planes = av_pix_fmt_count_planes(dst->format);
for (i = 0; i < planes; i++)
if (!dst->data[i] || !src->data[i])
return AVERROR(EINVAL);
memcpy(src_data, src->data, sizeof(src_data));
av_image_copy(dst->data, dst->linesize,
src_data, src->linesize,
dst->format, src->width, src->height);
return 0;
}
static int frame_copy_audio(AVFrame *dst, const AVFrame *src)
{
int planar = av_sample_fmt_is_planar(dst->format);
int channels = dst->channels;
int planes = planar ? channels : 1;
int i;
if (dst->nb_samples != src->nb_samples ||
dst->channels != src->channels ||
dst->channel_layout != src->channel_layout)
return AVERROR(EINVAL);
CHECK_CHANNELS_CONSISTENCY(src);
for (i = 0; i < planes; i++)
if (!dst->extended_data[i] || !src->extended_data[i])
return AVERROR(EINVAL);
av_samples_copy(dst->extended_data, src->extended_data, 0, 0,
dst->nb_samples, channels, dst->format);
return 0;
}
int av_frame_copy(AVFrame *dst, const AVFrame *src)
{
if (dst->format != src->format || dst->format < 0)
return AVERROR(EINVAL);
if (dst->width > 0 && dst->height > 0)
return frame_copy_video(dst, src);
else if (dst->nb_samples > 0 && dst->channel_layout)
return frame_copy_audio(dst, src);
return AVERROR(EINVAL);
}
void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
AVFrameSideData *sd = frame->side_data[i];
if (sd->type == type) {
free_side_data(&frame->side_data[i]);
frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
frame->nb_side_data--;
}
}
}
const char *av_frame_side_data_name(enum AVFrameSideDataType type)
{
switch(type) {
case AV_FRAME_DATA_PANSCAN: return "AVPanScan";
case AV_FRAME_DATA_A53_CC: return "ATSC A53 Part 4 Closed Captions";
case AV_FRAME_DATA_STEREO3D: return "Stereoscopic 3d metadata";
case AV_FRAME_DATA_MATRIXENCODING: return "AVMatrixEncoding";
case AV_FRAME_DATA_DOWNMIX_INFO: return "Metadata relevant to a downmix procedure";
case AV_FRAME_DATA_REPLAYGAIN: return "AVReplayGain";
case AV_FRAME_DATA_DISPLAYMATRIX: return "3x3 displaymatrix";
case AV_FRAME_DATA_AFD: return "Active format description";
case AV_FRAME_DATA_MOTION_VECTORS: return "Motion vectors";
case AV_FRAME_DATA_SKIP_SAMPLES: return "Skip samples";
case AV_FRAME_DATA_AUDIO_SERVICE_TYPE: return "Audio service type";
case AV_FRAME_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
case AV_FRAME_DATA_GOP_TIMECODE: return "GOP timecode";
}
return NULL;
}

507
ext/at3_standalone/mem.c Normal file
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/*
* default memory allocator for libavutil
* Copyright (c) 2002 Fabrice Bellard
*
* 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
*/
/**
* @file
* default memory allocator for libavutil
*/
#define _XOPEN_SOURCE 600
#include "config.h"
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "avassert.h"
#include "avutil.h"
#include "common.h"
#include "dynarray.h"
#include "intreadwrite.h"
#include "mem.h"
#ifdef MALLOC_PREFIX
#define malloc AV_JOIN(MALLOC_PREFIX, malloc)
#define memalign AV_JOIN(MALLOC_PREFIX, memalign)
#define posix_memalign AV_JOIN(MALLOC_PREFIX, posix_memalign)
#define realloc AV_JOIN(MALLOC_PREFIX, realloc)
#define free AV_JOIN(MALLOC_PREFIX, free)
void *malloc(size_t size);
void *memalign(size_t align, size_t size);
int posix_memalign(void **ptr, size_t align, size_t size);
void *realloc(void *ptr, size_t size);
void free(void *ptr);
#endif /* MALLOC_PREFIX */
#include "mem_internal.h"
#define ALIGN (HAVE_AVX ? 32 : 16)
/* NOTE: if you want to override these functions with your own
* implementations (not recommended) you have to link libav* as
* dynamic libraries and remove -Wl,-Bsymbolic from the linker flags.
* Note that this will cost performance. */
static size_t max_alloc_size= INT_MAX;
void av_max_alloc(size_t max){
max_alloc_size = max;
}
void *av_malloc(size_t size)
{
void *ptr = NULL;
#if CONFIG_MEMALIGN_HACK
long diff;
#endif
/* let's disallow possibly ambiguous cases */
if (size > (max_alloc_size - 32))
return NULL;
#if CONFIG_MEMALIGN_HACK
ptr = malloc(size + ALIGN);
if (!ptr)
return ptr;
diff = ((~(long)ptr)&(ALIGN - 1)) + 1;
ptr = (char *)ptr + diff;
((char *)ptr)[-1] = diff;
#elif HAVE_POSIX_MEMALIGN
if (size) //OS X on SDK 10.6 has a broken posix_memalign implementation
if (posix_memalign(&ptr, ALIGN, size))
ptr = NULL;
#elif HAVE_ALIGNED_MALLOC
ptr = _aligned_malloc(size, ALIGN);
#elif HAVE_MEMALIGN
#ifndef __DJGPP__
ptr = memalign(ALIGN, size);
#else
ptr = memalign(size, ALIGN);
#endif
/* Why 64?
* Indeed, we should align it:
* on 4 for 386
* on 16 for 486
* on 32 for 586, PPro - K6-III
* on 64 for K7 (maybe for P3 too).
* Because L1 and L2 caches are aligned on those values.
* But I don't want to code such logic here!
*/
/* Why 32?
* For AVX ASM. SSE / NEON needs only 16.
* Why not larger? Because I did not see a difference in benchmarks ...
*/
/* benchmarks with P3
* memalign(64) + 1 3071, 3051, 3032
* memalign(64) + 2 3051, 3032, 3041
* memalign(64) + 4 2911, 2896, 2915
* memalign(64) + 8 2545, 2554, 2550
* memalign(64) + 16 2543, 2572, 2563
* memalign(64) + 32 2546, 2545, 2571
* memalign(64) + 64 2570, 2533, 2558
*
* BTW, malloc seems to do 8-byte alignment by default here.
*/
#else
ptr = malloc(size);
#endif
if(!ptr && !size) {
size = 1;
ptr= av_malloc(1);
}
#if CONFIG_MEMORY_POISONING
if (ptr)
memset(ptr, FF_MEMORY_POISON, size);
#endif
return ptr;
}
void *av_realloc(void *ptr, size_t size)
{
#if CONFIG_MEMALIGN_HACK
int diff;
#endif
/* let's disallow possibly ambiguous cases */
if (size > (max_alloc_size - 32))
return NULL;
#if CONFIG_MEMALIGN_HACK
//FIXME this isn't aligned correctly, though it probably isn't needed
if (!ptr)
return av_malloc(size);
diff = ((char *)ptr)[-1];
av_assert0(diff>0 && diff<=ALIGN);
ptr = realloc((char *)ptr - diff, size + diff);
if (ptr)
ptr = (char *)ptr + diff;
return ptr;
#elif HAVE_ALIGNED_MALLOC
return _aligned_realloc(ptr, size + !size, ALIGN);
#else
return realloc(ptr, size + !size);
#endif
}
void *av_realloc_f(void *ptr, size_t nelem, size_t elsize)
{
size_t size;
void *r;
if (av_size_mult(elsize, nelem, &size)) {
av_free(ptr);
return NULL;
}
r = av_realloc(ptr, size);
if (!r && size)
av_free(ptr);
return r;
}
int av_reallocp(void *ptr, size_t size)
{
void *val;
if (!size) {
av_freep(ptr);
return 0;
}
memcpy(&val, ptr, sizeof(val));
val = av_realloc(val, size);
if (!val) {
av_freep(ptr);
return AVERROR(ENOMEM);
}
memcpy(ptr, &val, sizeof(val));
return 0;
}
void *av_realloc_array(void *ptr, size_t nmemb, size_t size)
{
if (!size || nmemb >= INT_MAX / size)
return NULL;
return av_realloc(ptr, nmemb * size);
}
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
{
void *val;
memcpy(&val, ptr, sizeof(val));
val = av_realloc_f(val, nmemb, size);
memcpy(ptr, &val, sizeof(val));
if (!val && nmemb && size)
return AVERROR(ENOMEM);
return 0;
}
void av_free(void *ptr)
{
#if CONFIG_MEMALIGN_HACK
if (ptr) {
int v= ((char *)ptr)[-1];
av_assert0(v>0 && v<=ALIGN);
free((char *)ptr - v);
}
#elif HAVE_ALIGNED_MALLOC
_aligned_free(ptr);
#else
free(ptr);
#endif
}
void av_freep(void *arg)
{
void *val;
memcpy(&val, arg, sizeof(val));
memcpy(arg, &(void *){ NULL }, sizeof(val));
av_free(val);
}
void *av_mallocz(size_t size)
{
void *ptr = av_malloc(size);
if (ptr)
memset(ptr, 0, size);
return ptr;
}
void *av_calloc(size_t nmemb, size_t size)
{
if (size <= 0 || nmemb >= INT_MAX / size)
return NULL;
return av_mallocz(nmemb * size);
}
char *av_strdup(const char *s)
{
char *ptr = NULL;
if (s) {
size_t len = strlen(s) + 1;
ptr = av_realloc(NULL, len);
if (ptr)
memcpy(ptr, s, len);
}
return ptr;
}
char *av_strndup(const char *s, size_t len)
{
char *ret = NULL, *end;
if (!s)
return NULL;
end = memchr(s, 0, len);
if (end)
len = end - s;
ret = av_realloc(NULL, len + 1);
if (!ret)
return NULL;
memcpy(ret, s, len);
ret[len] = 0;
return ret;
}
void *av_memdup(const void *p, size_t size)
{
void *ptr = NULL;
if (p) {
ptr = av_malloc(size);
if (ptr)
memcpy(ptr, p, size);
}
return ptr;
}
int av_dynarray_add_nofree(void *tab_ptr, int *nb_ptr, void *elem)
{
void **tab;
memcpy(&tab, tab_ptr, sizeof(tab));
AV_DYNARRAY_ADD(INT_MAX, sizeof(*tab), tab, *nb_ptr, {
tab[*nb_ptr] = elem;
memcpy(tab_ptr, &tab, sizeof(tab));
}, {
return AVERROR(ENOMEM);
});
return 0;
}
void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem)
{
void **tab;
memcpy(&tab, tab_ptr, sizeof(tab));
AV_DYNARRAY_ADD(INT_MAX, sizeof(*tab), tab, *nb_ptr, {
tab[*nb_ptr] = elem;
memcpy(tab_ptr, &tab, sizeof(tab));
}, {
*nb_ptr = 0;
av_freep(tab_ptr);
});
}
void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
const uint8_t *elem_data)
{
uint8_t *tab_elem_data = NULL;
AV_DYNARRAY_ADD(INT_MAX, elem_size, *tab_ptr, *nb_ptr, {
tab_elem_data = (uint8_t *)*tab_ptr + (*nb_ptr) * elem_size;
if (elem_data)
memcpy(tab_elem_data, elem_data, elem_size);
else if (CONFIG_MEMORY_POISONING)
memset(tab_elem_data, FF_MEMORY_POISON, elem_size);
}, {
av_freep(tab_ptr);
*nb_ptr = 0;
});
return tab_elem_data;
}
static void fill16(uint8_t *dst, int len)
{
uint32_t v = AV_RN16(dst - 2);
v |= v << 16;
while (len >= 4) {
AV_WN32(dst, v);
dst += 4;
len -= 4;
}
while (len--) {
*dst = dst[-2];
dst++;
}
}
static void fill24(uint8_t *dst, int len)
{
#if HAVE_BIGENDIAN
uint32_t v = AV_RB24(dst - 3);
uint32_t a = v << 8 | v >> 16;
uint32_t b = v << 16 | v >> 8;
uint32_t c = v << 24 | v;
#else
uint32_t v = AV_RL24(dst - 3);
uint32_t a = v | v << 24;
uint32_t b = v >> 8 | v << 16;
uint32_t c = v >> 16 | v << 8;
#endif
while (len >= 12) {
AV_WN32(dst, a);
AV_WN32(dst + 4, b);
AV_WN32(dst + 8, c);
dst += 12;
len -= 12;
}
if (len >= 4) {
AV_WN32(dst, a);
dst += 4;
len -= 4;
}
if (len >= 4) {
AV_WN32(dst, b);
dst += 4;
len -= 4;
}
while (len--) {
*dst = dst[-3];
dst++;
}
}
static void fill32(uint8_t *dst, int len)
{
uint32_t v = AV_RN32(dst - 4);
while (len >= 4) {
AV_WN32(dst, v);
dst += 4;
len -= 4;
}
while (len--) {
*dst = dst[-4];
dst++;
}
}
void av_memcpy_backptr(uint8_t *dst, int back, int cnt)
{
const uint8_t *src = &dst[-back];
if (!back)
return;
if (back == 1) {
memset(dst, *src, cnt);
} else if (back == 2) {
fill16(dst, cnt);
} else if (back == 3) {
fill24(dst, cnt);
} else if (back == 4) {
fill32(dst, cnt);
} else {
if (cnt >= 16) {
int blocklen = back;
while (cnt > blocklen) {
memcpy(dst, src, blocklen);
dst += blocklen;
cnt -= blocklen;
blocklen <<= 1;
}
memcpy(dst, src, cnt);
return;
}
if (cnt >= 8) {
AV_COPY32U(dst, src);
AV_COPY32U(dst + 4, src + 4);
src += 8;
dst += 8;
cnt -= 8;
}
if (cnt >= 4) {
AV_COPY32U(dst, src);
src += 4;
dst += 4;
cnt -= 4;
}
if (cnt >= 2) {
AV_COPY16U(dst, src);
src += 2;
dst += 2;
cnt -= 2;
}
if (cnt)
*dst = *src;
}
}
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
{
if (min_size < *size)
return ptr;
min_size = FFMAX(min_size + min_size / 16 + 32, min_size);
ptr = av_realloc(ptr, min_size);
/* we could set this to the unmodified min_size but this is safer
* if the user lost the ptr and uses NULL now
*/
if (!ptr)
min_size = 0;
*size = min_size;
return ptr;
}
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
{
ff_fast_malloc(ptr, size, min_size, 0);
}
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size)
{
ff_fast_malloc(ptr, size, min_size, 1);
}

394
ext/at3_standalone/pixdesc.h Normal file
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/*
* pixel format descriptor
* Copyright (c) 2009 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
*/
#ifndef AVUTIL_PIXDESC_H
#define AVUTIL_PIXDESC_H
#include <inttypes.h>
#include "attributes.h"
#include "pixfmt.h"
#include "version.h"
typedef struct AVComponentDescriptor {
/**
* Which of the 4 planes contains the component.
*/
int plane;
/**
* Number of elements between 2 horizontally consecutive pixels.
* Elements are bits for bitstream formats, bytes otherwise.
*/
int step;
/**
* Number of elements before the component of the first pixel.
* Elements are bits for bitstream formats, bytes otherwise.
*/
int offset;
/**
* Number of least significant bits that must be shifted away
* to get the value.
*/
int shift;
/**
* Number of bits in the component.
*/
int depth;
#if FF_API_PLUS1_MINUS1
/** deprecated, use step instead */
attribute_deprecated int step_minus1;
/** deprecated, use depth instead */
attribute_deprecated int depth_minus1;
/** deprecated, use offset instead */
attribute_deprecated int offset_plus1;
#endif
} AVComponentDescriptor;
/**
* Descriptor that unambiguously describes how the bits of a pixel are
* stored in the up to 4 data planes of an image. It also stores the
* subsampling factors and number of components.
*
* @note This is separate of the colorspace (RGB, YCbCr, YPbPr, JPEG-style YUV
* and all the YUV variants) AVPixFmtDescriptor just stores how values
* are stored not what these values represent.
*/
typedef struct AVPixFmtDescriptor {
const char *name;
uint8_t nb_components; ///< The number of components each pixel has, (1-4)
/**
* Amount to shift the luma width right to find the chroma width.
* For YV12 this is 1 for example.
* chroma_width = -((-luma_width) >> log2_chroma_w)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*/
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
/**
* Amount to shift the luma height right to find the chroma height.
* For YV12 this is 1 for example.
* chroma_height= -((-luma_height) >> log2_chroma_h)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*/
uint8_t log2_chroma_h;
/**
* Combination of AV_PIX_FMT_FLAG_... flags.
*/
uint64_t flags;
/**
* Parameters that describe how pixels are packed.
* If the format has 1 or 2 components, then luma is 0.
* If the format has 3 or 4 components:
* if the RGB flag is set then 0 is red, 1 is green and 2 is blue;
* otherwise 0 is luma, 1 is chroma-U and 2 is chroma-V.
*
* If present, the Alpha channel is always the last component.
*/
AVComponentDescriptor comp[4];
/**
* Alternative comma-separated names.
*/
const char *alias;
} AVPixFmtDescriptor;
/**
* Pixel format is big-endian.
*/
#define AV_PIX_FMT_FLAG_BE (1 << 0)
/**
* Pixel format has a palette in data[1], values are indexes in this palette.
*/
#define AV_PIX_FMT_FLAG_PAL (1 << 1)
/**
* All values of a component are bit-wise packed end to end.
*/
#define AV_PIX_FMT_FLAG_BITSTREAM (1 << 2)
/**
* Pixel format is an HW accelerated format.
*/
#define AV_PIX_FMT_FLAG_HWACCEL (1 << 3)
/**
* At least one pixel component is not in the first data plane.
*/
#define AV_PIX_FMT_FLAG_PLANAR (1 << 4)
/**
* The pixel format contains RGB-like data (as opposed to YUV/grayscale).
*/
#define AV_PIX_FMT_FLAG_RGB (1 << 5)
/**
* The pixel format is "pseudo-paletted". This means that it contains a
* fixed palette in the 2nd plane but the palette is fixed/constant for each
* PIX_FMT. This allows interpreting the data as if it was PAL8, which can
* in some cases be simpler. Or the data can be interpreted purely based on
* the pixel format without using the palette.
* An example of a pseudo-paletted format is AV_PIX_FMT_GRAY8
*/
#define AV_PIX_FMT_FLAG_PSEUDOPAL (1 << 6)
/**
* The pixel format has an alpha channel. This is set on all formats that
* support alpha in some way. The exception is AV_PIX_FMT_PAL8, which can
* carry alpha as part of the palette. Details are explained in the
* AVPixelFormat enum, and are also encoded in the corresponding
* AVPixFmtDescriptor.
*
* The alpha is always straight, never pre-multiplied.
*
* If a codec or a filter does not support alpha, it should set all alpha to
* opaque, or use the equivalent pixel formats without alpha component, e.g.
* AV_PIX_FMT_RGB0 (or AV_PIX_FMT_RGB24 etc.) instead of AV_PIX_FMT_RGBA.
*/
#define AV_PIX_FMT_FLAG_ALPHA (1 << 7)
/**
* Read a line from an image, and write the values of the
* pixel format component c to dst.
*
* @param data the array containing the pointers to the planes of the image
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to read
* @param y the vertical coordinate of the first pixel to read
* @param w the width of the line to read, that is the number of
* values to write to dst
* @param read_pal_component if not zero and the format is a paletted
* format writes the values corresponding to the palette
* component c in data[1] to dst, rather than the palette indexes in
* data[0]. The behavior is undefined if the format is not paletted.
*/
void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w, int read_pal_component);
/**
* Write the values from src to the pixel format component c of an
* image line.
*
* @param src array containing the values to write
* @param data the array containing the pointers to the planes of the
* image to write into. It is supposed to be zeroed.
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to write
* @param y the vertical coordinate of the first pixel to write
* @param w the width of the line to write, that is the number of
* values to write to the image line
*/
void av_write_image_line(const uint16_t *src, uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w);
/**
* Return the pixel format corresponding to name.
*
* If there is no pixel format with name name, then looks for a
* pixel format with the name corresponding to the native endian
* format of name.
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
*/
enum AVPixelFormat av_get_pix_fmt(const char *name);
/**
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*/
const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
/**
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or a header if pix_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param pix_fmt the number of the pixel format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
*/
char *av_get_pix_fmt_string(char *buf, int buf_size,
enum AVPixelFormat pix_fmt);
/**
* Return the number of bits per pixel used by the pixel format
* described by pixdesc. Note that this is not the same as the number
* of bits per sample.
*
* The returned number of bits refers to the number of bits actually
* used for storing the pixel information, that is padding bits are
* not counted.
*/
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
/**
* Return the number of bits per pixel for the pixel format
* described by pixdesc, including any padding or unused bits.
*/
int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
/**
* @return a pixel format descriptor for provided pixel format or NULL if
* this pixel format is unknown.
*/
const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt);
/**
* Iterate over all pixel format descriptors known to libavutil.
*
* @param prev previous descriptor. NULL to get the first descriptor.
*
* @return next descriptor or NULL after the last descriptor
*/
const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev);
/**
* @return an AVPixelFormat id described by desc, or AV_PIX_FMT_NONE if desc
* is not a valid pointer to a pixel format descriptor.
*/
enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
/**
* Utility function to access log2_chroma_w log2_chroma_h from
* the pixel format AVPixFmtDescriptor.
*
* See av_get_chroma_sub_sample() for a function that asserts a
* valid pixel format instead of returning an error code.
* Its recommended that you use avcodec_get_chroma_sub_sample unless
* you do check the return code!
*
* @param[in] pix_fmt the pixel format
* @param[out] h_shift store log2_chroma_w (horizontal/width shift)
* @param[out] v_shift store log2_chroma_h (vertical/height shift)
*
* @return 0 on success, AVERROR(ENOSYS) on invalid or unknown pixel format
*/
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
int *h_shift, int *v_shift);
/**
* @return number of planes in pix_fmt, a negative AVERROR if pix_fmt is not a
* valid pixel format.
*/
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
/**
* Utility function to swap the endianness of a pixel format.
*
* @param[in] pix_fmt the pixel format
*
* @return pixel format with swapped endianness if it exists,
* otherwise AV_PIX_FMT_NONE
*/
enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt);
#define FF_LOSS_RESOLUTION 0x0001 /**< loss due to resolution change */
#define FF_LOSS_DEPTH 0x0002 /**< loss due to color depth change */
#define FF_LOSS_COLORSPACE 0x0004 /**< loss due to color space conversion */
#define FF_LOSS_ALPHA 0x0008 /**< loss of alpha bits */
#define FF_LOSS_COLORQUANT 0x0010 /**< loss due to color quantization */
#define FF_LOSS_CHROMA 0x0020 /**< loss of chroma (e.g. RGB to gray conversion) */
/**
* Compute what kind of losses will occur when converting from one specific
* pixel format to another.
* When converting from one pixel format to another, information loss may occur.
* For example, when converting from RGB24 to GRAY, the color information will
* be lost. Similarly, other losses occur when converting from some formats to
* other formats. These losses can involve loss of chroma, but also loss of
* resolution, loss of color depth, loss due to the color space conversion, loss
* of the alpha bits or loss due to color quantization.
* av_get_fix_fmt_loss() informs you about the various types of losses
* which will occur when converting from one pixel format to another.
*
* @param[in] dst_pix_fmt destination pixel format
* @param[in] src_pix_fmt source pixel format
* @param[in] has_alpha Whether the source pixel format alpha channel is used.
* @return Combination of flags informing you what kind of losses will occur
* (maximum loss for an invalid dst_pix_fmt).
*/
int av_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
enum AVPixelFormat src_pix_fmt,
int has_alpha);
/**
* Compute what kind of losses will occur when converting from one specific
* pixel format to another.
* When converting from one pixel format to another, information loss may occur.
* For example, when converting from RGB24 to GRAY, the color information will
* be lost. Similarly, other losses occur when converting from some formats to
* other formats. These losses can involve loss of chroma, but also loss of
* resolution, loss of color depth, loss due to the color space conversion, loss
* of the alpha bits or loss due to color quantization.
* av_get_fix_fmt_loss() informs you about the various types of losses
* which will occur when converting from one pixel format to another.
*
* @param[in] dst_pix_fmt destination pixel format
* @param[in] src_pix_fmt source pixel format
* @param[in] has_alpha Whether the source pixel format alpha channel is used.
* @return Combination of flags informing you what kind of losses will occur
* (maximum loss for an invalid dst_pix_fmt).
*/
enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
/**
* @return the name for provided color range or NULL if unknown.
*/
const char *av_color_range_name(enum AVColorRange range);
/**
* @return the name for provided color primaries or NULL if unknown.
*/
const char *av_color_primaries_name(enum AVColorPrimaries primaries);
/**
* @return the name for provided color transfer or NULL if unknown.
*/
const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
/**
* @return the name for provided color space or NULL if unknown.
*/
const char *av_color_space_name(enum AVColorSpace space);
/**
* @return the name for provided chroma location or NULL if unknown.
*/
const char *av_chroma_location_name(enum AVChromaLocation location);
#endif /* AVUTIL_PIXDESC_H */

355
ext/at3_standalone/util_internal.h Normal file
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@ -0,0 +1,355 @@
/*
* copyright (c) 2006 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
*/
/**
* @file
* common internal API header
*/
#ifndef AVUTIL_INTERNAL_H
#define AVUTIL_INTERNAL_H
#if !defined(DEBUG) && !defined(NDEBUG)
# define NDEBUG
#endif
#include <limits.h>
#include <stdint.h>
#include <stddef.h>
#include <assert.h>
#include "config.h"
#include "attributes.h"
#include "dict.h"
#include "macros.h"
#include "pixfmt.h"
#include "version.h"
#if ARCH_X86
# include "x86/emms.h"
#endif
#ifndef emms_c
# define emms_c() while(0)
#endif
#ifndef attribute_align_arg
#if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2)
# define attribute_align_arg __attribute__((force_align_arg_pointer))
#else
# define attribute_align_arg
#endif
#endif
#if defined(_MSC_VER) && CONFIG_SHARED
# define av_export __declspec(dllimport)
#else
# define av_export
#endif
#if HAVE_PRAGMA_DEPRECATED
# if defined(__ICL) || defined (__INTEL_COMPILER)
# define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478))
# define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
# elif defined(_MSC_VER)
# define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996))
# define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
# else
# define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
# define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
# endif
#else
# define FF_DISABLE_DEPRECATION_WARNINGS
# define FF_ENABLE_DEPRECATION_WARNINGS
#endif
#define FF_MEMORY_POISON 0x2a
#define MAKE_ACCESSORS(str, name, type, field) \
type av_##name##_get_##field(const str *s) { return s->field; } \
void av_##name##_set_##field(str *s, type v) { s->field = v; }
// Some broken preprocessors need a second expansion
// to be forced to tokenize __VA_ARGS__
#define E1(x) x
/* Check if the hard coded offset of a struct member still matches reality.
* Induce a compilation failure if not.
*/
#define AV_CHECK_OFFSET(s, m, o) struct check_##o { \
int x_##o[offsetof(s, m) == o? 1: -1]; \
}
#define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \
uint8_t la_##v[sizeof(t s o) + (a)]; \
t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a)
#define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \
DECLARE_ALIGNED(a, t, la_##v) s o; \
t (*v) o = la_##v
#define LOCAL_ALIGNED(a, t, v, ...) E1(LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,))
#if HAVE_LOCAL_ALIGNED_8
# define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,))
#else
# define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__)
#endif
#if HAVE_LOCAL_ALIGNED_16
# define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,))
#else
# define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__)
#endif
#if HAVE_LOCAL_ALIGNED_32
# define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,))
#else
# define LOCAL_ALIGNED_32(t, v, ...) LOCAL_ALIGNED(32, t, v, __VA_ARGS__)
#endif
#define FF_ALLOC_OR_GOTO(ctx, p, size, label)\
{\
p = av_malloc(size);\
if (!(p) && (size) != 0) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
}
#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\
{\
p = av_mallocz(size);\
if (!(p) && (size) != 0) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
}
#define FF_ALLOC_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\
{\
p = av_malloc_array(nelem, elsize);\
if (!p) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
}
#define FF_ALLOCZ_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\
{\
p = av_mallocz_array(nelem, elsize);\
if (!p) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
}
#include "libm.h"
/**
* Return NULL if CONFIG_SMALL is true, otherwise the argument
* without modification. Used to disable the definition of strings
* (for example AVCodec long_names).
*/
#if CONFIG_SMALL
# define NULL_IF_CONFIG_SMALL(x) NULL
#else
# define NULL_IF_CONFIG_SMALL(x) x
#endif
/**
* Define a function with only the non-default version specified.
*
* On systems with ELF shared libraries, all symbols exported from
* FFmpeg libraries are tagged with the name and major version of the
* library to which they belong. If a function is moved from one
* library to another, a wrapper must be retained in the original
* location to preserve binary compatibility.
*
* Functions defined with this macro will never be used to resolve
* symbols by the build-time linker.
*
* @param type return type of function
* @param name name of function
* @param args argument list of function
* @param ver version tag to assign function
*/
#if HAVE_SYMVER_ASM_LABEL
# define FF_SYMVER(type, name, args, ver) \
type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \
type ff_##name args
#elif HAVE_SYMVER_GNU_ASM
# define FF_SYMVER(type, name, args, ver) \
__asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \
type ff_##name args; \
type ff_##name args
#endif
/**
* Return NULL if a threading library has not been enabled.
* Used to disable threading functions in AVCodec definitions
* when not needed.
*/
#if HAVE_THREADS
# define ONLY_IF_THREADS_ENABLED(x) x
#else
# define ONLY_IF_THREADS_ENABLED(x) NULL
#endif
/**
* Log a generic warning message about a missing feature.
*
* @param[in] avc a pointer to an arbitrary struct of which the first
* field is a pointer to an AVClass struct
* @param[in] msg string containing the name of the missing feature
*/
void avpriv_report_missing_feature(void *avc,
const char *msg, ...) av_printf_format(2, 3);
/**
* Log a generic warning message about a missing feature.
* Additionally request that a sample showcasing the feature be uploaded.
*
* @param[in] avc a pointer to an arbitrary struct of which the first field is
* a pointer to an AVClass struct
* @param[in] msg string containing the name of the missing feature
*/
void avpriv_request_sample(void *avc,
const char *msg, ...) av_printf_format(2, 3);
#if HAVE_LIBC_MSVCRT
#include <crtversion.h>
#if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14
#pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_strtod")
#pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_snprintf")
#endif
#define avpriv_open ff_open
#define PTRDIFF_SPECIFIER "Id"
#define SIZE_SPECIFIER "Iu"
#else
#define PTRDIFF_SPECIFIER "td"
#define SIZE_SPECIFIER "zu"
#endif
#ifdef DEBUG
# define ff_dlog(ctx, ...) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__)
#else
# define ff_dlog(ctx, ...) do { if (0) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)
#endif
/**
* Clip and convert a double value into the long long amin-amax range.
* This function is needed because conversion of floating point to integers when
* it does not fit in the integer's representation does not necessarily saturate
* correctly (usually converted to a cvttsd2si on x86) which saturates numbers
* > INT64_MAX to INT64_MIN. The standard marks such conversions as undefined
* behavior, allowing this sort of mathematically bogus conversions. This provides
* a safe alternative that is slower obviously but assures safety and better
* mathematical behavior.
* @param a value to clip
* @param amin minimum value of the clip range
* @param amax maximum value of the clip range
* @return clipped value
*/
static av_always_inline av_const int64_t ff_rint64_clip(double a, int64_t amin, int64_t amax)
{
int64_t res;
#if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
if (amin > amax) abort();
#endif
// INT64_MAX+1,INT64_MIN are exactly representable as IEEE doubles
// do range checks first
if (a >= 9223372036854775808.0)
return amax;
if (a <= -9223372036854775808.0)
return amin;
// safe to call llrint and clip accordingly
res = llrint(a);
if (res > amax)
return amax;
if (res < amin)
return amin;
return res;
}
/**
* Compute 10^x for floating point values. Note: this function is by no means
* "correctly rounded", and is meant as a fast, reasonably accurate approximation.
* For instance, maximum relative error for the double precision variant is
* ~ 1e-13 for very small and very large values.
* This is ~2x faster than GNU libm's approach, which is still off by 2ulp on
* some inputs.
* @param x exponent
* @return 10^x
*/
static av_always_inline double ff_exp10(double x)
{
return exp2(M_LOG2_10 * x);
}
static av_always_inline float ff_exp10f(float x)
{
return exp2f(M_LOG2_10 * x);
}
/**
* Compute x^y for floating point x, y. Note: this function is faster than the
* libm variant due to mainly 2 reasons:
* 1. It does not handle any edge cases. In particular, this is only guaranteed
* to work correctly for x > 0.
* 2. It is not as accurate as a standard nearly "correctly rounded" libm variant.
* @param x base
* @param y exponent
* @return x^y
*/
static av_always_inline float ff_fast_powf(float x, float y)
{
return expf(logf(x) * y);
}
/**
* A wrapper for open() setting O_CLOEXEC.
*/
av_warn_unused_result
int avpriv_open(const char *filename, int flags, ...);
int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt);
static av_always_inline av_const int avpriv_mirror(int x, int w)
{
if (!w)
return 0;
while ((unsigned)x > (unsigned)w) {
x = -x;
if (x < 0)
x += 2 * w;
}
return x;
}
void ff_check_pixfmt_descriptors(void);
extern const uint8_t ff_reverse[256];
#endif /* AVUTIL_INTERNAL_H */