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Sur d’autres sites (9568)
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error : undefined reference to 'av_free_packet(AVPacket*)' when use NDK to compile ffmpeg
23 juin 2015, par wolfzI compiled my cpps to use ffmpeg liberary with ANDROID NDK by my android MK as follow :
LOCAL_PATH := $(call my-dir)
DEFINES += -DTARGET_POSIX \
-DTARGET_LINUX \
-D_LINUX \
-DTARGET_ANDROID \
-D__STDC_CONSTANT_MACROS
include $(CLEAR_VARS)
LOCAL_MODULE := libavcodec
LOCAL_SRC_FILES := lib/lib/libavcodec.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libavfilter
LOCAL_SRC_FILES := lib/lib/libavfilter.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libavformat
LOCAL_SRC_FILES := lib/lib/libavformat.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libavutil
LOCAL_SRC_FILES := lib/lib/libavutil.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libpostproc
LOCAL_SRC_FILES := lib/lib/libpostproc.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libswresample
LOCAL_SRC_FILES := lib/lib/libswresample.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := libswscale
LOCAL_SRC_FILES := lib/lib/libswscale.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE:= player
base := $(LOCAL_PATH)
LOCAL_SRC_FILES += cores/PlayDemux.cpp \
cores/PlayDemuxFFmpeg.cpp \
cores/PlayFactoryDemuxer.cpp
LOCAL_C_INCLUDES += $(LOCAL_PATH) \
$(LOCAL_PATH)/lib \
$(LOCAL_PATH)/lib/include \
$(LOCAL_PATH)/cores/player \
LOCAL_CPPFLAGS += -Wall -fexceptions $(DEFINES)
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE:= testmain
LOCAL_SRC_FILES := \
testmain.cpp \
LOCAL_C_INCLUDES += $(LOCAL_PATH) \
$(LOCAL_PATH)/lib
LOCAL_CPPFLAGS += -Wall -fexceptions $(DEFINES)
LOCAL_SHARED_LIBRARIES := libavcodec \
libavformat \
libavfilter \
libavutil \
libpostproc \
libswscale \
libswresample
LOCAL_STATIC_LIBRARIES := player
include $(BUILD_EXECUTABLE)but when i do "ndk-build v=1", After compiling, I got :
Install : libavcodec.so => libs/armeabi-v7a/libavcodec.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libavcodec.so /cygdrive/d/player/libs/armeabi-v7a/libavcodec.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libavcodec.so
Install : libavfilter.so => libs/armeabi-v7a/libavfilter.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libavfilter.so /cygdrive/d/player/libs/armeabi-v7a/libavfilter.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libavfilter.so
Install : libavformat.so => libs/armeabi-v7a/libavformat.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libavformat.so /cygdrive/d/player/libs/armeabi-v7a/libavformat.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libavformat.so
Install : libavutil.so => libs/armeabi-v7a/libavutil.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libavutil.so /cygdrive/d/player/libs/armeabi-v7a/libavutil.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libavutil.so
Install : libpostproc.so => libs/armeabi-v7a/libpostproc.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libpostproc.so /cygdrive/d/player/libs/armeabi-v7a/libpostproc.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libpostproc.so
Install : libswresample.so => libs/armeabi-v7a/libswresample.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libswresample.so /cygdrive/d/player/libs/armeabi-v7a/libswresample.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libswresample.so
Install : libswscale.so => libs/armeabi-v7a/libswscale.so
install -p /cygdrive/d/player/obj/local/armeabi-v7a/libswscale.so /cygdrive/d/player/libs/armeabi-v7a/libswscale.so
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-strip --strip-unneeded D:/player/libs/armeabi-v7a/libswscale.so
Executable : testmain
/cygdrive/d/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-g++ -Wl,--gc-sections -Wl,-z,nocopyreloc --sysroot=D:/android/android-ndk-r8e/platforms/android-14/arch-arm D:/player/obj/local/armeabi-v7a/objs/testmain/testmain.o D:/player/obj/local/armeabi-v7a/libplayer.a D:/android/android-ndk-r8e/sources/cxx-stl/stlport/libs/armeabi-v7a/libstlport_static.a -lgcc D:/player/obj/local/armeabi-v7a/libavcodec.so D:/player/obj/local/armeabi-v7a/libavformat.so D:/player/obj/local/armeabi-v7a/libavfilter.so D:/player/obj/local/armeabi-v7a/libavutil.so D:/player/obj/local/armeabi-v7a/libpostproc.so D:/player/obj/local/armeabi-v7a/libswscale.so D:/player/obj/local/armeabi-v7a/libswresample.so -no-canonical-prefixes -march=armv7-a -Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -lc -lm -o D:/player/obj/local/armeabi-v7a/testmain
D:/android/android-ndk-r8e/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld.exe: D:/player/obj/local/armeabi-v7a/libplayer.a(PlayDemuxFFmpeg.o): in function PlayDemuxFFmpeg::Flush():D:/player/jni/lib/DllAvCodec.h:144: error: undefined reference to 'av_free_packet(AVPacket*)'I´m using windows 7 + cygwin + NDKR8,but the lib "libavcodec.so ,libavfilter.so,libavformat.so,libavutil.so,libpostproc.so,libswresample.so,libswscale.so " of ffmpeg was compiled with standalone mothed of NDK using "ubuntu + NDK8".
and i include the extern "c" code in the head file.so, how to correct the error ?
my DLLavcodec.h is :
#pragma once
#include "DllAvUtil.h"
extern "C" {
#include <libavcodec></libavcodec>avcodec.h>
}
class DllAvCodec : public DllAvCodecInterface
{
public:
static CCriticalSection m_critSection;
virtual ~DllAvCodec() {}
virtual void avcodec_register_all()
{
::avcodec_register_all();
}
virtual void avcodec_flush_buffers(AVCodecContext *avctx) { ::avcodec_flush_buffers(avctx); }
virtual int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
{
return ::avcodec_open2(avctx, codec, options);
}
virtual int avcodec_open2_dont_call(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options) { *(volatile int *)0x0 = 0; return 0; }
virtual int avcodec_close_dont_call(AVCodecContext *avctx) { *(volatile int *)0x0 = 0; return 0; }
virtual AVCodec *avcodec_find_decoder(enum CodecID id) { return ::avcodec_find_decoder(id); }
virtual AVCodec *avcodec_find_encoder(enum CodecID id) { return ::avcodec_find_encoder(id); }
virtual int avcodec_close(AVCodecContext *avctx)
{
return ::avcodec_close(avctx);
}
virtual AVFrame *avcodec_alloc_frame() { return ::avcodec_alloc_frame(); }
virtual int avpicture_fill(AVPicture *picture, uint8_t *ptr, PixelFormat pix_fmt, int width, int height) { return ::avpicture_fill(picture, ptr, pix_fmt, width, height); }
virtual int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, AVPacket *avpkt) { return ::avcodec_decode_video2(avctx, picture, got_picture_ptr, avpkt); }
virtual int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt) { return ::avcodec_decode_audio4(avctx, frame, got_frame_ptr, avpkt); }
virtual int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt) { return ::avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, avpkt); }
virtual int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, const short *samples) { return ::avcodec_encode_audio(avctx, buf, buf_size, samples); }
virtual int avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { return ::avcodec_encode_audio2(avctx, avpkt, frame, got_packet_ptr); }
virtual int avpicture_get_size(PixelFormat pix_fmt, int width, int height) { return ::avpicture_get_size(pix_fmt, width, height); }
virtual AVCodecContext *avcodec_alloc_context3(AVCodec *codec) { return ::avcodec_alloc_context3(codec); }
virtual void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) { ::avcodec_string(buf, buf_size, enc, encode); }
virtual void avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec) { ::avcodec_get_context_defaults3(s, codec); }
virtual AVCodecParserContext *av_parser_init(int codec_id) { return ::av_parser_init(codec_id); }
virtual int av_parser_parse2(AVCodecParserContext *s,AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size,
int64_t pts, int64_t dts, int64_t pos)
{
return ::av_parser_parse2(s, avctx, poutbuf, poutbuf_size, buf, buf_size, pts, dts, pos);
}
virtual void av_parser_close(AVCodecParserContext *s) { ::av_parser_close(s); }
virtual AVBitStreamFilterContext *av_bitstream_filter_init(const char *name) { return ::av_bitstream_filter_init(name); }
virtual int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe) { return ::av_bitstream_filter_filter(bsfc, avctx, args, poutbuf, poutbuf_size, buf, buf_size, keyframe); }
virtual void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc) { ::av_bitstream_filter_close(bsfc); }
virtual void avpicture_free(AVPicture *picture) { ::avpicture_free(picture); }
virtual void av_free_packet(AVPacket *pkt) { ::av_free_packet(pkt); }
virtual int avpicture_alloc(AVPicture *picture, PixelFormat pix_fmt, int width, int height) { return ::avpicture_alloc(picture, pix_fmt, width, height); }
virtual int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic) { return ::avcodec_default_get_buffer(s, pic); }
virtual void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic) { ::avcodec_default_release_buffer(s, pic); }
virtual enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt) { return ::avcodec_default_get_format(s, fmt); }
virtual AVCodec *av_codec_next(AVCodec *c) { return ::av_codec_next(c); }
virtual int av_dup_packet(AVPacket *pkt) { return ::av_dup_packet(pkt); }
virtual void av_init_packet(AVPacket *pkt) { return ::av_init_packet(pkt); }
virtual int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, enum AVSampleFormat sample_fmt, const uint8_t *buf, int buf_size, int align) { return ::avcodec_fill_audio_frame(frame, nb_channels, sample_fmt, buf, buf_size, align); }
virtual void avcodec_free_frame(AVFrame **frame) { return ::avcodec_free_frame(frame); };
}; -
Error for android-ndk-r21d and ffmpeg-snapshot
4 août 2020, par yejafotwhy im getting the below errors.
Am i done any misconfiguration in the build file ?


Can you change it according, im trying to configure for arm64_v8a (.so) file for android jni in my linux machine. Thanks !


Below is my build file.


#!/bin/bash
export NDK=/media/sf_sharing/android-ndk-r21d
export SYSROOT=$NDK/platforms/android-21/arch-arm64/
export TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64
export TARGET=aarch64-linux-android
export API=21
export AR=$TOOLCHAIN/bin/$TARGET-ar
export CC=$TOOLCHAIN/bin/$TARGET$API-clang
export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
export LD=$TOOLCHAIN/bin/$TARGET-ld
export RANLIB=$TOOLCHAIN/bin/$TARGET-ranlib
export STRIP=$TOOLCHAIN/bin/$TARGET-strip
export CROSS_PREFIX=$NDK/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64
rm -f $(pwd)/compat/strtod.o 
function build_one
 {
 ./configure\
 --prefix=$PREFIX\
 --enable-shared\
 --disable-static\
 --ar=$AR\
 --cc=$CC\
 --cxx=$CXX\
 --pkg-config=$(which pkg-config)\
 --ld=$LD\
 --ranlib=$RANLIB\
 --strip=$STRIP\
 --enable-protocol=file\
 --enable-pic\
 --enable-small\
 --disable-programs\
 --disable-doc\
 --disable-symver\
 --target-os=android\
 --sysinclude=$TOOLCHAIN/sysroot/usr/include\
 --enable-cross-compile\
 --cross-prefix=$TOOLCHAIN/bin/$TARGET-\
 --extra-cflags="-Os -fpic $ADDI_CFLAGS"\
 --extra-ldflags="$ADDI_LDFLAGS"\
 --sysroot=$TOOLCHAIN/sysroot $ADDITIONAL_CONFIG_FLAG
 make clean
 make -j2
 make install
 }
 CPU=arm64-v8a
 mkdir -p $(pwd)/android/$CPU
 PREFIX=$(pwd)/android/$CPU
 ADDI_CFLAGS="-march=armv8-a"
 #ADDI_LDFLAGS="-L$TOOLCHAIN/sysroot/usr/lib"
 ADDI_LDFLAGS="-L$SYSROOT/usr/lib"
 ADDITIONAL_CONFIG_FLAG="--arch=aarch64 --enable-yasm"
 build_one


Error :


INSTALL doc/examples/Makefile
CC libavdevice/alldevices.o
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:39:
In file included from /media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/local/include/stdlib.h:32:
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdlib.h:61:7: error: expected identifier or '('
char* getenv(const char* __name);
 ^
./config.h:17:19: note: expanded from macro 'getenv'
#define getenv(x) NULL
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/9.0.8/include/stddef.h:89:18: note: expanded from macro 'NULL'
# define NULL ((void*)0)
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:39:
In file included from /media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/local/include/stdlib.h:32:
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdlib.h:61:7: error: expected ')'
./config.h:17:19: note: expanded from macro 'getenv'
#define getenv(x) NULL
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/9.0.8/include/stddef.h:89:18: note: expanded from macro 'NULL'
# define NULL ((void*)0)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdlib.h:61:7: note: to match this '('
./config.h:17:19: note: expanded from macro 'getenv'
#define getenv(x) NULL
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/9.0.8/include/stddef.h:89:17: note: expanded from macro 'NULL'
# define NULL ((void*)0)
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:39:
In file included from /media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/local/include/stdlib.h:32:
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdlib.h:61:7: error: expected ')'
char* getenv(const char* __name);
 ^
./config.h:17:19: note: expanded from macro 'getenv'
#define getenv(x) NULL
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/9.0.8/include/stddef.h:89:24: note: expanded from macro 'NULL'
# define NULL ((void*)0)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdlib.h:61:7: note: to match this '('
./config.h:17:19: note: expanded from macro 'getenv'
#define getenv(x) NULL
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/9.0.8/include/stddef.h:89:16: note: expanded from macro 'NULL'
# define NULL ((void*)0)
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:54:32: error: static declaration of 'cbrt' follows non-static declaration
static av_always_inline double cbrt(double x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:191:8: note: previous declaration is here
double cbrt(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:61:31: error: static declaration of 'cbrtf' follows non-static declaration
static av_always_inline float cbrtf(float x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:192:7: note: previous declaration is here
float cbrtf(float __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:68:32: error: static declaration of 'copysign' follows non-static declaration
static av_always_inline double copysign(double x, double y)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:279:8: note: previous declaration is here
double copysign(double __value, double __sign) __attribute_const__;
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:121:22: error: static declaration of 'erf' follows non-static declaration
static inline double erf(double z)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:211:8: note: previous declaration is here
double erf(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:340:9: warning: 'isnan' macro redefined [-Wmacro-redefined]
#define isnan(x) \
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:69:9: note: previous definition is here
#define isnan(x) __builtin_isnan(x)
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:359:9: warning: 'isfinite' macro redefined [-Wmacro-redefined]
#define isfinite(x) \
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:65:9: note: previous definition is here
#define isfinite(x) __builtin_isfinite(x)
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:366:31: error: static declaration of 'hypot' follows non-static declaration
static inline av_const double hypot(double x, double y)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:199:8: note: previous declaration is here
double hypot(double __x, double __y);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:423:22: error: static declaration of 'rint' follows non-static declaration
static inline double rint(double x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:239:8: note: previous declaration is here
double rint(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:430:43: error: static declaration of 'lrint' follows non-static declaration
static av_always_inline av_const long int lrint(double x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:243:6: note: previous declaration is here
long lrint(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:437:43: error: static declaration of 'lrintf' follows non-static declaration
static av_always_inline av_const long int lrintf(float x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:244:6: note: previous declaration is here
long lrintf(float __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:444:41: error: static declaration of 'round' follows non-static declaration
static av_always_inline av_const double round(double x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:251:8: note: previous declaration is here
double round(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:451:40: error: static declaration of 'roundf' follows non-static declaration
static av_always_inline av_const float roundf(float x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:252:7: note: previous declaration is here
float roundf(float __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:458:41: error: static declaration of 'trunc' follows non-static declaration
static av_always_inline av_const double trunc(double x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:263:8: note: previous declaration is here
double trunc(double __x);
 ^
In file included from libavdevice/alldevices.c:23:
In file included from ./libavformat/internal.h:27:
In file included from ./libavformat/avformat.h:312:
In file included from ./libavcodec/avcodec.h:31:
In file included from ./libavutil/samplefmt.h:24:
In file included from ./libavutil/avutil.h:296:
In file included from ./libavutil/common.h:533:
In file included from ./libavutil/internal.h:143:
./libavutil/libm.h:465:40: error: static declaration of 'truncf' follows non-static declaration
static av_always_inline av_const float truncf(float x)
 ^
/media/sf_sharing/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:264:7: note: previous declaration is here
float truncf(float __x);
 ^
2 warnings and 15 errors generated.
make: *** [libavdevice/alldevices.o] Error 1
santoku@santoku:/media/sf_sharing/ffmpeg$


i tried all old version of ffmpeg,ndk with different build files but that didnt work so now im trying this latest ffmpeg-snapshot and ndk21


-
ffmpeg realtime bad quality variable fps cams inputs to constant framerate problem
23 janvier 2023, par BloodMan../ffmpeg/ffmpeg -err_detect ignore_err -nostdin -threads 0 -y -strict experimental -thread_queue_size 10M -max_delay 20M -rtbufsize 20M -fflags +discardcorrupt \
 -i "${cam1}" -i "${cam2}" -i "${cam3}" -i "${cam4}" \
 -filter_complex " \
 nullsrc=size=3840x2160:rate=30 [main1]; \
 anullsrc=channel_layout=stereo:sample_rate=44100 [a]; \
 [0:v] scale=1920:1080 [overlay1]; \
 [1:v] scale=1920:1080 [overlay2]; \
 [2:v] scale=1920:1080 [overlay3]; \
 [3:v] scale=1920:1080 [overlay4]; \
 [main1][overlay1] overlay=0:0 [main2]; \
 [main2][overlay2] overlay=1920:0 [main3]; \
 [main3][overlay3] overlay=0:1080 [main4]; \
 [main4][overlay4] overlay=1920:1080 [v] " \
 -t 10 -r 30 -g 60 -map "[v]" -map "[a]" \
 -shortest -video_size 3840x2160 -pix_fmt yuv420p -vcodec libx264 -preset ultrafast -tune zerolatency -minrate 2M -maxrate 2M -bufsize 20M -c:a aac -b:a 96k -ac 2 -ar 48000 -copytb 1 \
 -f flv -y -fflags +genpts rtmp://b.rtmp.youtube.com/live2/${key}?backup=1


ffmpeg version N-109650-g9d5e66942c Copyright (c) 2000-2023 the FFmpeg developers
 built with gcc 10 (Debian 10.2.1-6)
 configuration: --prefix=/home/bloodman/ffmpeg --pkg-config-flags=--static --extra-cflags='-I/home/bloodman/ffmpeg/include -march=native' --extra-ldflags=-L/home/bloodman/ffmpeg/lib --extra-libs='-lpthread -lm' --bindir=/home/bloodman/ffmpeg --enable-gpl --enable-nonfree --enable-libx264 --enable-libfdk-aac --enable-libmp3lame --enable-libfreetype --enable-hardcoded-tables
 libavutil 57. 44.100 / 57. 44.100
 libavcodec 59. 56.100 / 59. 56.100
 libavformat 59. 35.100 / 59. 35.100
 libavdevice 59. 8.101 / 59. 8.101
 libavfilter 8. 54.100 / 8. 54.100
 libswscale 6. 8.112 / 6. 8.112
 libswresample 4. 9.100 / 4. 9.100
 libpostproc 56. 7.100 / 56. 7.100
[hls @ 0x56019db77780] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019db77780] Opening 'cams/stream1_113.ts' for reading
Input #0, hls, from 'cams/stream1.m3u8':
 Duration: N/A, start: 1122.341667, bitrate: N/A
 Program 0
 Metadata:
 variant_bitrate : 0
 Stream #0:0: Video: h264 (Baseline) ([27][0][0][0] / 0x001B), yuv420p, 2048x1536, 15 fps, 15 tbr, 90k tbn
 Metadata:
 variant_bitrate : 0
[hls @ 0x56019db9e980] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019db9e980] Opening 'cams/stream2_105.ts' for reading
Input #1, hls, from 'cams/stream2.m3u8':
 Duration: N/A, start: 1042.633000, bitrate: N/A
 Program 0
 Metadata:
 variant_bitrate : 0
 Stream #1:0: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuvj420p(pc, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 100 tbr, 90k tbn
 Metadata:
 variant_bitrate : 0
[hls @ 0x56019dccdbc0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019dccdbc0] Opening 'cams/stream3_14.ts' for reading
Input #2, hls, from 'cams/stream3.m3u8':
 Duration: N/A, start: 132.469000, bitrate: N/A
 Program 0
 Metadata:
 variant_bitrate : 0
 Stream #2:0: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 2688x1520, 25 fps, 100 tbr, 90k tbn
 Metadata:
 variant_bitrate : 0
[hls @ 0x56019f0ec980] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019f0ec980] Opening 'cams/stream4_26.ts' for reading
Input #3, hls, from 'cams/stream4.m3u8':
 Duration: N/A, start: 253.389000, bitrate: N/A
 Program 0
 Metadata:
 variant_bitrate : 0
 Stream #3:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuvj420p(pc, bt709), 1920x1080, 90k tbr, 90k tbn
 Metadata:
 variant_bitrate : 0
Stream mapping:
 Stream #0:0 (h264) -> scale:default
 Stream #1:0 (h264) -> scale:default
 Stream #2:0 (h264) -> scale:default
 Stream #3:0 (h264) -> scale:default
 overlay:default -> Stream #0:0 (libx264)
 anullsrc:default -> Stream #0:1 (aac)
[hls @ 0x56019db77780] Opening 'cams/stream1_114.ts' for reading
[hls @ 0x56019db77780] Opening 'cams/stream1_115.ts' for reading
[swscaler @ 0x5601a2c78e40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x5601a332c940] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x5601a2c78e40] deprecated pixel format used, make sure you did set range correctly
 Last message repeated 2 times
[swscaler @ 0x5601a332c940] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x5601a361fc00] deprecated pixel format used, make sure you did set range correctly
 Last message repeated 1 times
[libx264 @ 0x56019e5212c0] using SAR=1/1
[libx264 @ 0x56019e5212c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
[libx264 @ 0x56019e5212c0] profile Constrained Baseline, level 5.1, 4:2:0, 8-bit
[libx264 @ 0x56019e5212c0] 264 - core 160 r3011 cde9a93 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=8 lookahead_threads=8 sliced_threads=1 slices=8 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=60 keyint_min=6 scenecut=0 intra_refresh=0 rc_lookahead=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=2000 vbv_bufsize=20000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=0
Output #0, flv, to 'rtmp://b.rtmp.youtube.com/live2/XXXX-XXXX-XXXX-XXXX-XXXX?backup=1':
 Metadata:
 encoder : Lavf59.35.100
 Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv420p(progressive), 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 30 fps, 1k tbn
 Metadata:
 encoder : Lavc59.56.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 2000000/0/0 buffer size: 20000000 vbv_delay: N/A
 Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 48000 Hz, stereo, fltp, 96 kb/s
 Metadata:
 encoder : Lavc59.56.100 aac
[hls @ 0x56019db77780] Skip ('#EXT-X-VERSION:3')00:00:03.22 bitrate=7519.6kbits/s speed=0.359x
[hls @ 0x56019db77780] Opening 'cams/stream1_116.ts' for reading
[hls @ 0x56019db77780] Skip ('#EXT-X-VERSION:3')00:00:07.23 bitrate=4470.2kbits/s speed=0.383x
[hls @ 0x56019db77780] Opening 'cams/stream1_117.ts' for reading
[hls @ 0x56019f0ec980] Skip ('#EXT-X-VERSION:3')00:00:09.04 bitrate=3978.1kbits/s speed=0.384x
[hls @ 0x56019f0ec980] Opening 'cams/stream4_27.ts' for reading
[hls @ 0x56019dccdbc0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019dccdbc0] Opening 'cams/stream3_15.ts' for reading
[hls @ 0x56019db9e980] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019db9e980] Opening 'cams/stream2_106.ts' for reading
[flv @ 0x56019e639a00] Failed to update header with correct duration.811.6kbits/s speed=0.385x
[flv @ 0x56019e639a00] Failed to update header with correct filesize.
frame= 299 fps= 12 q=34.0 Lsize= 4622kB time=00:00:09.98 bitrate=3792.7kbits/s speed=0.386x
video:4603kB audio:3kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.349536%
[libx264 @ 0x56019e5212c0] frame I:5 Avg QP:45.60 size:275880
[libx264 @ 0x56019e5212c0] frame P:294 Avg QP:38.77 size: 11340
[libx264 @ 0x56019e5212c0] mb I I16..4: 100.0% 0.0% 0.0%
[libx264 @ 0x56019e5212c0] mb P I16..4: 1.4% 0.0% 0.0% P16..4: 4.7% 0.0% 0.0% 0.0% 0.0% skip:93.9%
[libx264 @ 0x56019e5212c0] coded y,uvDC,uvAC intra: 16.2% 8.9% 1.2% inter: 1.8% 0.6% 0.0%
[libx264 @ 0x56019e5212c0] i16 v,h,dc,p: 64% 17% 15% 5%
[libx264 @ 0x56019e5212c0] i8c dc,h,v,p: 90% 6% 3% 1%
[libx264 @ 0x56019e5212c0] kb/s:3783.23
[aac @ 0x56019e63a700] Qavg: 65511.207
[hls @ 0x56019db77780] Skip ('#EXT-X-VERSION:3')
[hls @ 0x56019db77780] Opening 'cams/stream1_118.ts' for reading


NOTES : sources are cams streamed first to hls/m3u8. -t 10 only for testing purposes.


The problem is variable output fps= 12 (sometimes 2, 5, 10, maybe 13) where I expect 30. Machine is 10 times greater (encode uses up to 5% cpu).


Im trying adding -re, -r 30, -r 15 to sources, convert sources via stream_filter (,fps=30), vsync (old versions of ffmpeg), wallclock time, etc. and reading stackoverflow of course. And... nothing.


Where is the problem ?


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