falkTX
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FFmpeg
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Merge remote-tracking branch 'hexene/scratchpad' 

* hexene/scratchpad:
  Move & Rename buildscript, remove tabs
  Fix regular build
  Support (H/W accelerated) H.264 decoding on Android via Stagefright
  Add build-script for Android
  C++ Support ;)

Conflicts:
	Changelog
	Makefile
	configure
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
tags/n0.9
Michael Niedermayer 14 years ago
parent
f27f68eb4f 9c29ab5851
commit
15240feb99
9 changed files with 655 additions and 11 deletions
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  1. +2
    -0
      Changelog
  2. +1
    -1
      Makefile
  3. +6
    -1
      common.mak
  4. +86
    -8
      configure
  5. +1
    -0
      libavcodec/Makefile
  6. +1
    -0
      libavcodec/allcodecs.c
  7. +516
    -0
      libavcodec/libstagefright.cpp
  8. +1
    -1
      libavcodec/version.h
  9. +41
    -0
      tools/build_libstagefright

+ 2
- 0
Changelog View File

@@ -51,6 +51,8 @@ easier to use. The changes are:
- Speex encoder via libspeex
- JSON output in ffprobe
- WTV muxer
- C++ Support
- H.264 Decoding on Android via Stagefright


version 0.8:


+ 1
- 1
Makefile View File

@@ -2,13 +2,13 @@ MAIN_MAKEFILE=1
include config.mak

vpath %.c $(SRC_PATH)
vpath %.cpp $(SRC_PATH)
vpath %.h $(SRC_PATH)
vpath %.S $(SRC_PATH)
vpath %.asm $(SRC_PATH)
vpath %.v $(SRC_PATH)
vpath %.texi $(SRC_PATH)


PROGS-$(CONFIG_FFMPEG) += ffmpeg
PROGS-$(CONFIG_AVCONV) += avconv
PROGS-$(CONFIG_FFPLAY) += ffplay


+ 6
- 1
common.mak View File

@@ -10,7 +10,7 @@ ifndef SUBDIR
ifndef V
Q = @
ECHO = printf "$(1)\t%s\n" $(2)
BRIEF = CC AS YASM AR LD HOSTCC STRIP CP
BRIEF = CC CXX AS YASM AR LD HOSTCC STRIP CP
SILENT = DEPCC YASMDEP RM RANLIB
MSG = $@
M = @$(call ECHO,$(TAG),$@);
@@ -27,6 +27,7 @@ IFLAGS := -I. -I$(SRC_PATH)/
CPPFLAGS := $(IFLAGS) $(CPPFLAGS)
CFLAGS += $(ECFLAGS)
CCFLAGS = $(CFLAGS)
CXXFLAGS := $(CFLAGS) $(CXXFLAGS)
YASMFLAGS += $(IFLAGS) -I$(SRC_PATH)/libavutil/x86/ -Pconfig.asm
HOSTCFLAGS += $(IFLAGS)
LDFLAGS := $(ALLFFLIBS:%=-Llib%) $(LDFLAGS)
@@ -37,11 +38,15 @@ define COMPILE
endef

COMPILE_C = $(call COMPILE,CC)
COMPILE_CXX = $(call COMPILE,CXX)
COMPILE_S = $(call COMPILE,AS)

%.o: %.c
$(COMPILE_C)

%.o: %.cpp
$(COMPILE_CXX)

%.o: %.S
$(COMPILE_S)



+ 86
- 8
configure View File

@@ -179,6 +179,7 @@ External library support:
--enable-librtmp enable RTMP[E] support via librtmp [no]
--enable-libschroedinger enable Dirac support via libschroedinger [no]
--enable-libspeex enable Speex encoding and decoding via libspeex [no]
--enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
--enable-libtheora enable Theora encoding via libtheora [no]
--enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
--enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
@@ -205,12 +206,14 @@ Advanced options (experts only):
--ar=AR use archive tool AR [$ar_default]
--as=AS use assembler AS [$as_default]
--cc=CC use C compiler CC [$cc_default]
--cxx=CXX use C compiler CXX [$cxx_default]
--ld=LD use linker LD
--host-cc=HOSTCC use host C compiler HOSTCC
--host-cflags=HCFLAGS use HCFLAGS when compiling for host
--host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
--host-libs=HLIBS use libs HLIBS when linking for host
--extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
--extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
--extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
--extra-libs=ELIBS add ELIBS [$ELIBS]
--extra-version=STRING version string suffix []
@@ -582,6 +585,10 @@ add_cflags(){
append CFLAGS $($filter_cflags "$@")
}

add_cxxflags(){
append CXXFLAGS $($filter_cflags "$@")
}

add_asflags(){
append ASFLAGS $($filter_asflags "$@")
}
@@ -606,6 +613,13 @@ check_cc(){
check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
}

check_cxx(){
log check_cxx "$@"
cat > $TMPCPP
log_file $TMPCPP
check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
}

check_cpp(){
log check_cpp "$@"
cat > $TMPC
@@ -641,12 +655,14 @@ check_yasm(){

check_ld(){
log check_ld "$@"
type=$1
shift 1
flags=''
libs=''
for f; do
test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
done
check_cc $($filter_cflags $flags) || return
check_$type $($filter_cflags $flags) || return
check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
}

@@ -666,9 +682,17 @@ int x;
EOF
}

check_cxxflags(){
log check_cxxflags "$@"
set -- $($filter_cflags "$@")
check_cxx "$@" <<EOF && append CXXFLAGS "$@"
int x;
EOF
}

test_ldflags(){
log test_ldflags "$@"
check_ld "$@" <<EOF
check_ld "cc" "$@" <<EOF
int main(void){ return 0; }
EOF
}
@@ -694,7 +718,7 @@ check_func(){
func=$1
shift
disable $func
check_ld "$@" <<EOF && enable $func
check_ld "cc" "$@" <<EOF && enable $func
extern int $func();
int main(void){ $func(); }
EOF
@@ -705,7 +729,7 @@ check_mathfunc(){
func=$1
shift
disable $func
check_ld "$@" <<EOF && enable $func
check_ld "cc" "$@" <<EOF && enable $func
#include <math.h>
float foo(float f) { return $func(f); }
int main(void){ return (int) foo; }
@@ -725,7 +749,26 @@ check_func_headers(){
echo "long check_$func(void) { return (long) $func; }"
done
echo "int main(void) { return 0; }"
} | check_ld "$@" && enable $funcs && enable_safe $headers
} | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
}

check_class_headers_cpp(){
log check_class_headers_cpp "$@"
headers=$1
classes=$2
shift 2
{
for hdr in $headers; do
echo "#include <$hdr>"
done
echo "int main(void) { "
i=1
for class in $classes; do
echo "$class obj$i;"
i=$(expr $i + 1)
done
echo "return 0; }"
} | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
}

check_cpp_condition(){
@@ -757,6 +800,14 @@ check_lib2(){
check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
}

check_lib_cpp(){
log check_lib_cpp "$@"
headers="$1"
classes="$2"
shift 2
check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
}

check_pkg_config(){
log check_pkg_config "$@"
pkg="$1"
@@ -772,7 +823,7 @@ check_pkg_config(){
}

check_exec(){
check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
}

check_exec_crash(){
@@ -852,6 +903,14 @@ require2(){
check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}

require_cpp(){
name="$1"
headers="$2"
classes="$3"
shift 3
check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
}

require_pkg_config(){
pkg="$1"
check_pkg_config "$@" || die "ERROR: $pkg not found"
@@ -947,6 +1006,7 @@ CONFIG_LIST="
librtmp
libschroedinger
libspeex
libstagefright_h264
libtheora
libvo_aacenc
libvo_amrwbenc
@@ -1183,6 +1243,7 @@ CMDLINE_SET="
cc
cpu
cross_prefix
cxx
dep_cc
extra_version
host_cc
@@ -1208,6 +1269,7 @@ CMDLINE_SET="

CMDLINE_APPEND="
extra_cflags
extra_cxxflags
"

# code dependency declarations
@@ -1430,6 +1492,7 @@ libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
libspeex_decoder_deps="libspeex"
libspeex_encoder_deps="libspeex"
libstagefright_h264_decoder_deps="libstagefright_h264"
libtheora_encoder_deps="libtheora"
libvo_aacenc_encoder_deps="libvo_aacenc"
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
@@ -1651,6 +1714,7 @@ shlibdir_default="$libdir_default"
# toolchain
ar_default="ar"
cc_default="gcc"
cxx_default="g++"
cc_version=\"unknown\"
host_cc_default="gcc"
install="install"
@@ -1715,6 +1779,7 @@ SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

AS_O='-o $@'
CC_O='-o $@'
CXX_O='-o $@'

host_cflags='-D_ISOC99_SOURCE -O3 -g'
host_libs='-lm'
@@ -1867,6 +1932,7 @@ set_default arch target_os

ar_default="${cross_prefix}${ar_default}"
cc_default="${cross_prefix}${cc_default}"
cxx_default="${cross_prefix}${cxx_default}"
nm_default="${cross_prefix}${nm_default}"
pkg_config_default="${cross_prefix}${pkg_config_default}"
ranlib="${cross_prefix}${ranlib}"
@@ -1874,7 +1940,7 @@ strip_default="${cross_prefix}${strip_default}"

sysinclude_default="${sysroot}/usr/include"

set_default cc nm pkg_config strip sysinclude
set_default cc cxx nm pkg_config strip sysinclude
enabled cross_compile || host_cc_default=$cc
set_default host_cc

@@ -1916,6 +1982,7 @@ tmpfile(){
trap 'rm -f -- $TMPFILES' EXIT

tmpfile TMPC .c
tmpfile TMPCPP .cpp
tmpfile TMPE $EXESUF
tmpfile TMPH .h
tmpfile TMPO .o
@@ -2133,9 +2200,11 @@ test -n "$cc_type" && enable $cc_type ||
set_default ar as dep_cc ld

test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD

add_cflags $extra_cflags
add_cxxflags $extra_cxxflags
add_asflags $extra_cflags

if test -n "$sysroot"; then
@@ -2366,6 +2435,7 @@ if test "$?" != 0; then
fi

add_cppflags -D_ISOC99_SOURCE
add_cxxflags -D__STDC_CONSTANT_MACROS
check_cflags -std=c99
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
#include <stdlib.h>
@@ -2663,7 +2733,7 @@ elif enabled arm; then
elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
case "${cross_prefix:-$cc}" in
*hardfloat*) enable vfp_args; fpabi=vfp ;;
*) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
*) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
@@ -2932,6 +3002,9 @@ enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
@@ -3246,6 +3319,7 @@ echo "libopenjpeg enabled ${libopenjpeg-no}"
echo "librtmp enabled ${librtmp-no}"
echo "libschroedinger enabled ${libschroedinger-no}"
echo "libspeex enabled ${libspeex-no}"
echo "libstagefright-h264 enabled ${libstagefright_h264-no}"
echo "libtheora enabled ${libtheora-no}"
echo "libvo-aacenc support ${libvo_aacenc-no}"
echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
@@ -3306,6 +3380,7 @@ endif
CC_IDENT=$cc_ident
ARCH=$arch
CC=$cc
CXX=$cxx
AS=$as
LD=$ld
DEPCC=$dep_cc
@@ -3318,9 +3393,11 @@ LN_S=$ln_s
STRIP=$strip
CPPFLAGS=$CPPFLAGS
CFLAGS=$CFLAGS
CXXFLAGS=$CXXFLAGS
ASFLAGS=$ASFLAGS
AS_O=$CC_O
CC_O=$CC_O
CXX_O=$CXX_O
LDFLAGS=$LDFLAGS
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
SHFLAGS=$SHFLAGS
@@ -3337,6 +3414,7 @@ EXESUF=$EXESUF
EXTRA_VERSION=$extra_version
DEPFLAGS=$DEPFLAGS
CCDEP=$CCDEP
CXXDEP=$CXXDEP
ASDEP=$ASDEP
CC_DEPFLAGS=$CC_DEPFLAGS
AS_DEPFLAGS=$AS_DEPFLAGS


+ 1
- 0
libavcodec/Makefile View File

@@ -594,6 +594,7 @@ OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.o \
libdirac_libschro.o
OBJS-$(CONFIG_LIBSPEEX_DECODER) += libspeexdec.o
OBJS-$(CONFIG_LIBSPEEX_ENCODER) += libspeexenc.o
OBJS-$(CONFIG_LIBSTAGEFRIGHT_H264_DECODER)+= libstagefright.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
OBJS-$(CONFIG_LIBVO_AACENC_ENCODER) += libvo-aacenc.o mpeg4audio.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o


+ 1
- 0
libavcodec/allcodecs.c View File

@@ -382,6 +382,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (LIBOPENJPEG, libopenjpeg);
REGISTER_ENCDEC (LIBSCHROEDINGER, libschroedinger);
REGISTER_ENCDEC (LIBSPEEX, libspeex);
REGISTER_DECODER (LIBSTAGEFRIGHT_H264, libstagefright_h264);
REGISTER_ENCODER (LIBTHEORA, libtheora);
REGISTER_ENCODER (LIBVO_AACENC, libvo_aacenc);
REGISTER_ENCODER (LIBVO_AMRWBENC, libvo_amrwbenc);


+ 516
- 0
libavcodec/libstagefright.cpp View File

@@ -0,0 +1,516 @@
/*
* Interface to the Android Stagefright library for
* H/W accelerated H.264 decoding
*
* Copyright (C) 2011 Mohamed Naufal
* Copyright (C) 2011 Martin Storsjö
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include <binder/ProcessState.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/MediaBufferGroup.h>
#include <media/stagefright/MediaDebug.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/OMXClient.h>
#include <media/stagefright/OMXCodec.h>
#include <utils/List.h>
#include <new>

extern "C" {
#include "avcodec.h"
#include "libavutil/imgutils.h"
}

#define OMX_QCOM_COLOR_FormatYVU420SemiPlanar 0x7FA30C00

using namespace android;

struct Frame {
status_t status;
size_t size;
int64_t time;
int key;
uint8_t *buffer;
MediaBuffer* mbuffer;
int32_t w, h;
};

class CustomSource;

struct StagefrightContext {
AVCodecContext *avctx;
AVBitStreamFilterContext *bsfc;
uint8_t* orig_extradata;
int orig_extradata_size;
sp<MediaSource> source;
List<Frame*> *in_queue, *out_queue;
pthread_mutex_t in_mutex, out_mutex;
pthread_cond_t condition;
pthread_t decode_thread_id;

Frame *end_frame;
bool source_done;
volatile sig_atomic_t thread_exited, stop_decode;

AVFrame ret_frame;

uint8_t *dummy_buf;
int dummy_bufsize;

OMXClient *client;
sp<MediaSource> decoder;
const char *decoder_component;
};

class CustomSource : public MediaSource {
public:
CustomSource(AVCodecContext *avctx, sp<MetaData> meta) {
s = (StagefrightContext*)avctx->priv_data;
source_meta = meta;
frame_size = (avctx->width * avctx->height * 3) / 2;
buf_group.add_buffer(new MediaBuffer(frame_size));
}

virtual sp<MetaData> getFormat() {
return source_meta;
}

virtual status_t start(MetaData *params) {
return OK;
}

virtual status_t stop() {
return OK;
}

virtual status_t read(MediaBuffer **buffer,
const MediaSource::ReadOptions *options) {
Frame *frame;
status_t ret;

pthread_mutex_lock(&s->in_mutex);

while (s->in_queue->empty())
pthread_cond_wait(&s->condition, &s->in_mutex);

frame = *s->in_queue->begin();
ret = frame->status;

if (ret == OK) {
ret = buf_group.acquire_buffer(buffer);
if (ret == OK) {
memcpy((*buffer)->data(), frame->buffer, frame->size);
(*buffer)->set_range(0, frame->size);
(*buffer)->meta_data()->clear();
(*buffer)->meta_data()->setInt32(kKeyIsSyncFrame,frame->key);
(*buffer)->meta_data()->setInt64(kKeyTime, frame->time);
} else {
av_log(s->avctx, AV_LOG_ERROR, "Failed to acquire MediaBuffer\n");
}
av_freep(&frame->buffer);
}

s->in_queue->erase(s->in_queue->begin());
pthread_mutex_unlock(&s->in_mutex);

av_freep(&frame);
return ret;
}

private:
MediaBufferGroup buf_group;
sp<MetaData> source_meta;
StagefrightContext *s;
int frame_size;
};

void* decode_thread(void *arg)
{
AVCodecContext *avctx = (AVCodecContext*)arg;
StagefrightContext *s = (StagefrightContext*)avctx->priv_data;
Frame* frame;
MediaBuffer *buffer;
int decode_done = 0;
do {
buffer = NULL;
frame = (Frame*)av_mallocz(sizeof(Frame));
if (!frame) {
frame = s->end_frame;
frame->status = AVERROR(ENOMEM);
decode_done = 1;
s->end_frame = NULL;
} else {
frame->status = s->decoder->read(&buffer);
if (frame->status == OK) {
sp<MetaData> outFormat = s->decoder->getFormat();
outFormat->findInt32(kKeyWidth , &frame->w);
outFormat->findInt32(kKeyHeight, &frame->h);
frame->size = buffer->range_length();
frame->mbuffer = buffer;
} else if (frame->status == INFO_FORMAT_CHANGED) {
if (buffer)
buffer->release();
av_free(frame);
continue;
} else {
decode_done = 1;
}
}
pthread_mutex_lock(&s->out_mutex);
s->out_queue->push_back(frame);
pthread_mutex_unlock(&s->out_mutex);
} while (!decode_done && !s->stop_decode);

s->thread_exited = true;

return 0;
}

static av_cold int Stagefright_init(AVCodecContext *avctx)
{
StagefrightContext *s = (StagefrightContext*)avctx->priv_data;
sp<MetaData> meta, outFormat;
int32_t colorFormat = 0;
int ret;

if (!avctx->extradata || !avctx->extradata_size || avctx->extradata[0] != 1)
return -1;

s->avctx = avctx;
s->bsfc = av_bitstream_filter_init("h264_mp4toannexb");
if (!s->bsfc) {
av_log(avctx, AV_LOG_ERROR, "Cannot open the h264_mp4toannexb BSF!\n");
return -1;
}

s->orig_extradata_size = avctx->extradata_size;
s->orig_extradata = (uint8_t*) av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!s->orig_extradata) {
ret = AVERROR(ENOMEM);
goto fail;
}
memcpy(s->orig_extradata, avctx->extradata, avctx->extradata_size);

meta = new MetaData;
if (meta == NULL) {
ret = AVERROR(ENOMEM);
goto fail;
}
meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
meta->setInt32(kKeyWidth, avctx->width);
meta->setInt32(kKeyHeight, avctx->height);
meta->setData(kKeyAVCC, kTypeAVCC, avctx->extradata, avctx->extradata_size);

android::ProcessState::self()->startThreadPool();

s->source = new CustomSource(avctx, meta);
s->in_queue = new List<Frame*>;
s->out_queue = new List<Frame*>;
s->client = new OMXClient;
s->end_frame = (Frame*)av_mallocz(sizeof(Frame));
if (s->source == NULL || !s->in_queue || !s->out_queue || !s->client ||
!s->end_frame) {
ret = AVERROR(ENOMEM);
goto fail;
}

if (s->client->connect() != OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot connect OMX client\n");
ret = -1;
goto fail;
}

s->decoder = OMXCodec::Create(s->client->interface(), meta,
false, s->source, NULL,
OMXCodec::kClientNeedsFramebuffer);
if (s->decoder->start() != OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot start decoder\n");
ret = -1;
s->client->disconnect();
goto fail;
}

outFormat = s->decoder->getFormat();
outFormat->findInt32(kKeyColorFormat, &colorFormat);
if (colorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar ||
colorFormat == OMX_COLOR_FormatYUV420SemiPlanar)
avctx->pix_fmt = PIX_FMT_NV21;
else
avctx->pix_fmt = PIX_FMT_YUV420P;

outFormat->findCString(kKeyDecoderComponent, &s->decoder_component);
if (s->decoder_component)
s->decoder_component = av_strdup(s->decoder_component);

pthread_mutex_init(&s->in_mutex, NULL);
pthread_mutex_init(&s->out_mutex, NULL);
pthread_cond_init(&s->condition, NULL);
pthread_create(&s->decode_thread_id, NULL, &decode_thread, avctx);
return 0;

fail:
av_bitstream_filter_close(s->bsfc);
av_freep(&s->orig_extradata);
av_freep(&s->end_frame);
delete s->in_queue;
delete s->out_queue;
delete s->client;
return ret;
}

static int Stagefright_decode_frame(AVCodecContext *avctx, void *data,
int *data_size, AVPacket *avpkt)
{
StagefrightContext *s = (StagefrightContext*)avctx->priv_data;
Frame *frame;
MediaBuffer *mbuffer;
status_t status;
size_t size;
uint8_t *buf;
const uint8_t *src_data[3];
int w, h;
int src_linesize[3];
int orig_size = avpkt->size;
AVPacket pkt = *avpkt;
int ret;

if (avpkt && avpkt->data) {
av_bitstream_filter_filter(s->bsfc, avctx, NULL, &pkt.data, &pkt.size,
avpkt->data, avpkt->size, avpkt->flags & AV_PKT_FLAG_KEY);
avpkt = &pkt;
}

if (!s->source_done) {
if(!s->dummy_buf) {
s->dummy_buf = (uint8_t*)av_malloc(avpkt->size);
if (!s->dummy_buf)
return AVERROR(ENOMEM);
s->dummy_bufsize = avpkt->size;
memcpy(s->dummy_buf, avpkt->data, avpkt->size);
}

frame = (Frame*)av_mallocz(sizeof(Frame));
if (avpkt->data) {
frame->status = OK;
frame->size = orig_size;
// Stagefright can't handle negative timestamps -
// if needed, work around this by offsetting them manually?
if (avpkt->pts >= 0)
frame->time = avpkt->pts;
frame->key = avpkt->flags & AV_PKT_FLAG_KEY ? 1 : 0;
frame->buffer = (uint8_t*)av_malloc(avpkt->size);
if (!frame->buffer) {
av_freep(&frame);
return AVERROR(ENOMEM);
}
uint8_t *ptr = avpkt->data;
// The OMX.SEC decoder fails without this.
if (avpkt->size == orig_size + avctx->extradata_size)
ptr += avctx->extradata_size;
memcpy(frame->buffer, ptr, orig_size);
} else {
frame->status = ERROR_END_OF_STREAM;
s->source_done = true;
}

while (true) {
if (s->thread_exited) {
s->source_done = true;
break;
}
pthread_mutex_lock(&s->in_mutex);
if (s->in_queue->size() >= 10) {
pthread_mutex_unlock(&s->in_mutex);
usleep(10000);
continue;
}
s->in_queue->push_back(frame);
pthread_cond_signal(&s->condition);
pthread_mutex_unlock(&s->in_mutex);
break;
}
}
while (true) {
pthread_mutex_lock(&s->out_mutex);
if (!s->out_queue->empty()) break;
pthread_mutex_unlock(&s->out_mutex);
if (s->source_done) {
usleep(10000);
continue;
} else {
return orig_size;
}
}

frame = *s->out_queue->begin();
s->out_queue->erase(s->out_queue->begin());
pthread_mutex_unlock(&s->out_mutex);

mbuffer = frame->mbuffer;
status = frame->status;
size = frame->size;
w = frame->w;
h = frame->h;
av_freep(&frame);

if (status == ERROR_END_OF_STREAM)
return 0;
if (status != OK) {
if (status == AVERROR(ENOMEM))
return status;
av_log(avctx, AV_LOG_ERROR, "Decode failed: %x\n", status);
return -1;
}

// The OMX.SEC decoder doesn't signal the modified width/height
if (s->decoder_component && !strncmp(s->decoder_component, "OMX.SEC", 7) &&
(w & 15 || h & 15)) {
if (((w + 15)&~15) * ((h + 15)&~15) * 3/2 == size) {
w = (w + 15)&~15;
h = (h + 15)&~15;
}
}

if (!avctx->width || !avctx->height || avctx->width > w || avctx->height > h) {
avctx->width = w;
avctx->height = h;
}

ret = avctx->reget_buffer(avctx, &s->ret_frame);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "reget buffer() failed\n");
goto end;
}

src_linesize[0] = w;
if (avctx->pix_fmt == PIX_FMT_YUV420P)
src_linesize[1] = src_linesize[2] = w/2;
else if (avctx->pix_fmt == PIX_FMT_NV21)
src_linesize[1] = w;

buf = (uint8_t*)mbuffer->data();
src_data[0] = buf;
src_data[1] = buf + src_linesize[0] * h;
src_data[2] = src_data[1] + src_linesize[1] * h/2;
av_image_copy(s->ret_frame.data, s->ret_frame.linesize,
src_data, src_linesize,
avctx->pix_fmt, avctx->width, avctx->height);

*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->ret_frame;
ret = orig_size;
end:
mbuffer->release();
return ret;
}

static av_cold int Stagefright_close(AVCodecContext *avctx)
{
StagefrightContext *s = (StagefrightContext*)avctx->priv_data;
Frame *frame;

if (!s->thread_exited) {
s->stop_decode = 1;

// Feed a dummy frame prior to signalling EOF.
// This is required to terminate the decoder(OMX.SEC)
// when only one frame is read during stream info detection.
if (s->dummy_buf && (frame = (Frame*)av_mallocz(sizeof(Frame)))) {
frame->status = OK;
frame->size = s->dummy_bufsize;
frame->buffer = s->dummy_buf;
pthread_mutex_lock(&s->in_mutex);
s->in_queue->push_back(frame);
pthread_cond_signal(&s->condition);
pthread_mutex_unlock(&s->in_mutex);
s->dummy_buf = NULL;
}

pthread_mutex_lock(&s->in_mutex);
s->end_frame->status = ERROR_END_OF_STREAM;
s->in_queue->push_back(s->end_frame);
pthread_cond_signal(&s->condition);
pthread_mutex_unlock(&s->in_mutex);
s->end_frame = NULL;
}

pthread_join(s->decode_thread_id, NULL);

if (s->ret_frame.data[0])
avctx->release_buffer(avctx, &s->ret_frame);

while (!s->in_queue->empty()) {
frame = *s->in_queue->begin();
s->in_queue->erase(s->in_queue->begin());
if (frame->size)
av_freep(&frame->buffer);
av_freep(&frame);
}

while (!s->out_queue->empty()) {
frame = *s->out_queue->begin();
s->out_queue->erase(s->out_queue->begin());
if (frame->size)
frame->mbuffer->release();
av_freep(&frame);
}

s->decoder->stop();
s->client->disconnect();

if (s->decoder_component)
av_freep(&s->decoder_component);
av_freep(&s->dummy_buf);
av_freep(&s->end_frame);

// Reset the extradata back to the original mp4 format, so that
// the next invocation (both when decoding and when called from
// av_find_stream_info) get the original mp4 format extradata.
av_freep(&avctx->extradata);
avctx->extradata = s->orig_extradata;
avctx->extradata_size = s->orig_extradata_size;

delete s->in_queue;
delete s->out_queue;
delete s->client;

pthread_mutex_destroy(&s->in_mutex);
pthread_mutex_destroy(&s->out_mutex);
pthread_cond_destroy(&s->condition);
av_bitstream_filter_close(s->bsfc);
return 0;
}

AVCodec ff_libstagefright_h264_decoder = {
"libstagefright_h264",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_H264,
sizeof(StagefrightContext),
Stagefright_init,
NULL, //encode
Stagefright_close,
Stagefright_decode_frame,
CODEC_CAP_DELAY,
NULL, //next
NULL, //flush
NULL, //supported_framerates
NULL, //pixel_formats
NULL_IF_CONFIG_SMALL("libstagefright H.264"),
};

+ 1
- 1
libavcodec/version.h View File

@@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H

#define LIBAVCODEC_VERSION_MAJOR 53
#define LIBAVCODEC_VERSION_MINOR 13
#define LIBAVCODEC_VERSION_MINOR 14
#define LIBAVCODEC_VERSION_MICRO 0

#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \


+ 41
- 0
tools/build_libstagefright View File

@@ -0,0 +1,41 @@
#!/bin/bash

if [ "$NDK" = "" ]; then
echo NDK variable not set, assuming ${HOME}/android-ndk
export NDK=${HOME}/android-ndk
fi

SYSROOT=$NDK/platforms/android-9/arch-arm
# Expand the prebuilt/* path into the correct one
TOOLCHAIN=`echo $NDK/toolchains/arm-linux-androideabi-4.4.3/prebuilt/*-x86`
export PATH=$TOOLCHAIN/bin:$PATH
ANDROID_SOURCE=$HOME/android
ANDROID_LIBS=$HOME/glib

rm -rf ../build/libav
mkdir -p ../build/libav

DEST=../build/libav
FLAGS="--target-os=linux --cross-prefix=arm-linux-androideabi- --arch=arm --cpu=armv7-a"
FLAGS="$FLAGS --sysroot=$SYSROOT"
FLAGS="$FLAGS --disable-avdevice --disable-decoder=h264 --disable-decoder=h264_vdpau --enable-libstagefright-h264"

EXTRA_CFLAGS="-I$ANDROID_SOURCE/frameworks/base/include -I$ANDROID_SOURCE/system/core/include"
EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/base/media/libstagefright"
EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/base/include/media/stagefright/openmax"
EXTRA_CFLAGS="$EXTRA_CFLAGS -I$NDK/sources/cxx-stl/system/include"

EXTRA_CFLAGS="$EXTRA_CFLAGS -march=armv7-a -mfloat-abi=softfp -mfpu=neon"
EXTRA_LDFLAGS="-Wl,--fix-cortex-a8 -L$ANDROID_LIBS -Wl,-rpath-link,$ANDROID_LIBS"
EXTRA_CXXFLAGS="-Wno-multichar -fno-exceptions -fno-rtti"
ABI="armeabi-v7a"
DEST="$DEST/$ABI"
FLAGS="$FLAGS --prefix=$DEST"

mkdir -p $DEST

echo $FLAGS --extra-cflags="$EXTRA_CFLAGS" --extra-ldflags="$EXTRA_LDFLAGS" --extra-cxxflags="$EXTRA_CXXFLAGS" > $DEST/info.txt
./configure $FLAGS --extra-cflags="$EXTRA_CFLAGS" --extra-ldflags="$EXTRA_LDFLAGS" --extra-cxxflags="$EXTRA_CXXFLAGS" | tee $DEST/configuration.txt
[ $PIPESTATUS == 0 ] || exit 1
make clean
make -j4 || exit 1

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