[Libav-user] The stalls when using av_write_frame

[松澤要]

Hello. I'm new to libav.
Please teach me why stop.
It's the following situations.


Thanks
Kaname





ffmpeg: ffmpeg-2.1.3
develop os: mac osx
target os: Android armv7-a
AndroidManifest.xml permission: WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE

configure:

  --disable-doc \

  --disable-ffplay \

  --disable-ffserver \

  --disable-ffprobe \

  --enable-zlib \

  --enable-version3 \

  --enable-nonfree \

  --enable-shared \

  --enable-static \

  --enable-rdft \

  --enable-ffmpeg \

  --enable-protocol=file \

  --enable-parsers \

  --enable-demuxer=aac \

  --enable-demuxer=ac3 \

  --enable-demuxer=ape \

  --enable-demuxer=asf \

  --enable-demuxer=flac \

  --enable-demuxer=matroska_audio \

  --enable-demuxer=mp3 \

  --enable-demuxer=mpc \

  --enable-demuxer=mov \

  --enable-demuxer=mpc8 \

  --enable-demuxer=ogg \

  --enable-demuxer=tta \

  --enable-demuxer=wav \

  --enable-demuxer=wv \

  --enable-decoder=aac \

  --enable-decoder=ac3 \

  --enable-decoder=alac \

  --enable-decoder=ape \

  --enable-decoder=flac \

  --enable-decoder=mp1 \

  --enable-decoder=mp2 \

  --enable-decoder=mp3 \

  --enable-decoder=mpc7 \

  --enable-decoder=mpc8 \

  --enable-decoder=tta \

  --enable-decoder=vorbis \

  --enable-decoder=wavpack \

  --enable-decoder=wmav1 \

  --enable-decoder=wmav2 \

  --enable-decoder=pcm_alaw \

  --enable-decoder=pcm_dvd \

  --enable-decoder=pcm_f32be \

  --enable-decoder=pcm_f32le \

  --enable-decoder=pcm_f64be \

  --enable-decoder=pcm_f64le \

  --enable-decoder=pcm_s16be \

  --enable-decoder=pcm_s16le \

  --enable-decoder=pcm_s16le_planar \

  --enable-decoder=pcm_s24be \

  --enable-decoder=pcm_daud \

  --enable-decoder=pcm_s24le \

  --enable-decoder=pcm_s32be \

  --enable-decoder=pcm_s32le \

  --enable-decoder=pcm_s8 \

  --enable-decoder=pcm_u16be \

  --enable-decoder=pcm_u16le \

  --enable-decoder=pcm_u24be \

  --enable-decoder=pcm_u24le \

  --enable-decoder=rawvideo \

  --enable-encoders \

  --enable-libmp3lame \

  --enable-libspeex \

  --enable-libtheora \

  --enable-libfaac \

  --enable-libvorbis \

  --enable-libaacplus \


stop source:

jint copyMovie(JNIEnv *pEnv, jobject pObj, jobject pMainAct, jstring pSrcFileName, jstring pDstFileName)

{

    AVFormatContext* inFormatContext = NULL;

    AVFormatContext* outFormatContext = NULL;

    AVOutputFormat* fmt = NULL;

    AVCodecContext* codecCtxIn = NULL;

    AVCodecContext* codecCtxOut = NULL;

    AVCodec* codecEnc = NULL;

    AVCodec* codecDec = NULL;

    int i, ret;

    int streamIndex = -1;


    char* srcMovieFilePath = (char *)(*pEnv)->GetStringUTFChars(pEnv, pSrcFileName, NULL);

    char* dstMovieFilePath = (char *)(*pEnv)->GetStringUTFChars(pEnv, pDstFileName, NULL);


    av_register_all();



    if(avformat_open_input(&inFormatContext, srcMovieFilePath, NULL, NULL) != 0)

        goto EXIT_METHOD;

    if(avformat_find_stream_info(inFormatContext, NULL) < 0)

        goto EXIT_METHOD;

    for(i = 0; i < inFormatContext->nb_streams; i++){

        if(inFormatContext->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO){

    streamIndex = i;

    break;

}

    }

    if(streamIndex < 0)

        goto EXIT_METHOD;


    codecCtxIn = inFormatContext->streams[streamIndex]->codec;

    codecDec = avcodec_find_decoder(codecCtxIn->codec_id);

    if(codecDec == NULL)

        goto EXIT_METHOD;

    if( avcodec_open2(codecCtxIn, codecDec, NULL) < 0 )

        goto EXIT_METHOD;

    fmt = av_guess_format( NULL, dstMovieFilePath, NULL );

    if (!fmt) {

        fmt = av_guess_format("mpeg", NULL, NULL);

    }

    if (!fmt)

        goto EXIT_METHOD;

    outFormatContext = avformat_alloc_context();

    if (!outFormatContext)

       goto EXIT_METHOD;


    outFormatContext->oformat = fmt;

    snprintf(outFormatContext->filename, sizeof(outFormatContext->filename), "%s", dstMovieFilePath);


    codecEnc = avcodec_find_encoder( AV_CODEC_ID_MPEG4 );

    if(codecEnc == NULL)

        goto EXIT_METHOD;

    codecCtxOut = avcodec_alloc_context3(codecEnc);

    if( codecCtxOut ) {

        codecCtxOut->bit_rate = codecCtxIn->bit_rate;

        codecCtxOut->width = codecCtxIn->width;

        codecCtxOut->height = codecCtxIn->height;

        codecCtxOut->pix_fmt = codecCtxIn->pix_fmt;

        codecCtxOut->codec_id = codecCtxIn->codec_id;

        codecCtxOut->codec_type = codecCtxIn->codec_type;

        codecCtxOut->time_base.num = codecCtxIn->time_base.num;

        codecCtxOut->time_base.den = codecCtxIn->time_base.den;

        codecCtxOut->time_base= codecCtxIn->time_base;

        if ( avcodec_open2(codecCtxOut, codecEnc, NULL) >= 0 )

            goto EXIT_METHOD;

    } else {

        goto EXIT_METHOD;

    }

    if ( !( fmt->flags & AVFMT_NOFILE ) ) {

        if ( avio_open( &outFormatContext->pb, dstMovieFilePath, AVIO_FLAG_WRITE ) < 0 )

            goto EXIT_METHOD;

    }

    avformat_write_header( outFormatContext, NULL );



    AVPacket packet;

    av_init_packet(&packet);

    i = 0;

    while ( av_read_frame(inFormatContext, &packet) >= 0 )

    {

        AVStream *inputStream = inFormatContext->streams[i];

        if ( packet.stream_index == streamIndex ) {

   /*       if (av_write_frame(codecCtxOut, &packet) != 0) { // < It's stop when enable here

                LOGI( "convert(): error while writing video frame\n" );

            }*/

        }

        i++;

    }



    // av_write_frame(outFormatContext, NULL); // < It's stop when enable here

    // av_write_trailer(outFormatContext); // < It's stop when enable here

EXIT_METHOD:

    if ( fmt != NULL && outFormatContext != NULL ) {

        if ( !( fmt->flags & AVFMT_NOFILE ) ) {

            avio_close(outFormatContext->pb);

        }

        avformat_free_context(outFormatContext);

    }


    if ( codecCtxOut != NULL )

        avcodec_close(codecCtxOut);

    if ( codecCtxIn != NULL )

        avcodec_close(codecCtxIn);

    if ( inFormatContext != NULL )

        avformat_close_input( &inFormatContext );


    return 0;

}
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