chasing indexing error

1 files changed, 0 insertions, 607 deletions

diff --git a/ffmpeg/libavformat/flvenc.c b/ffmpeg/libavformat/flvenc.c
deleted file mode 100644
index fb36f66..0000000
--- a/ffmpeg/libavformat/flvenc.c
+++ /dev/null
@@ -1,607 +0,0 @@
-/*
- * FLV muxer
- * Copyright (c) 2003 The FFmpeg Project
- *
- * 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 "libavutil/intreadwrite.h"
-#include "libavutil/dict.h"
-#include "libavutil/intfloat.h"
-#include "libavutil/avassert.h"
-#include "avc.h"
-#include "avformat.h"
-#include "flv.h"
-#include "internal.h"
-#include "metadata.h"
-
-
-static const AVCodecTag flv_video_codec_ids[] = {
-    { AV_CODEC_ID_FLV1,     FLV_CODECID_H263 },
-    { AV_CODEC_ID_H263,     FLV_CODECID_REALH263 },
-    { AV_CODEC_ID_MPEG4,    FLV_CODECID_MPEG4 },
-    { AV_CODEC_ID_FLASHSV,  FLV_CODECID_SCREEN },
-    { AV_CODEC_ID_FLASHSV2, FLV_CODECID_SCREEN2 },
-    { AV_CODEC_ID_VP6F,     FLV_CODECID_VP6 },
-    { AV_CODEC_ID_VP6,      FLV_CODECID_VP6 },
-    { AV_CODEC_ID_VP6A,     FLV_CODECID_VP6A },
-    { AV_CODEC_ID_H264,     FLV_CODECID_H264 },
-    { AV_CODEC_ID_NONE,     0 }
-};
-
-static const AVCodecTag flv_audio_codec_ids[] = {
-    { AV_CODEC_ID_MP3,        FLV_CODECID_MP3        >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_PCM_U8,     FLV_CODECID_PCM        >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_PCM_S16BE,  FLV_CODECID_PCM        >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_PCM_S16LE,  FLV_CODECID_PCM_LE     >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_ADPCM_SWF,  FLV_CODECID_ADPCM      >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_AAC,        FLV_CODECID_AAC        >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_NELLYMOSER, FLV_CODECID_NELLYMOSER >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_PCM_MULAW,  FLV_CODECID_PCM_MULAW  >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_PCM_ALAW,   FLV_CODECID_PCM_ALAW   >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_SPEEX,      FLV_CODECID_SPEEX      >> FLV_AUDIO_CODECID_OFFSET },
-    { AV_CODEC_ID_NONE,       0 }
-};
-
-typedef struct FLVContext {
-    int     reserved;
-    int64_t duration_offset;
-    int64_t filesize_offset;
-    int64_t duration;
-    int64_t delay;      ///< first dts delay (needed for AVC & Speex)
-} FLVContext;
-
-typedef struct FLVStreamContext {
-    int64_t last_ts;    ///< last timestamp for each stream
-} FLVStreamContext;
-
-static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc)
-{
-    int flags = (enc->bits_per_coded_sample == 16) ? FLV_SAMPLESSIZE_16BIT
-                                                   : FLV_SAMPLESSIZE_8BIT;
-
-    if (enc->codec_id == AV_CODEC_ID_AAC) // specs force these parameters
-        return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ |
-               FLV_SAMPLESSIZE_16BIT | FLV_STEREO;
-    else if (enc->codec_id == AV_CODEC_ID_SPEEX) {
-        if (enc->sample_rate != 16000) {
-            av_log(s, AV_LOG_ERROR,
-                   "FLV only supports wideband (16kHz) Speex audio\n");
-            return AVERROR(EINVAL);
-        }
-        if (enc->channels != 1) {
-            av_log(s, AV_LOG_ERROR, "FLV only supports mono Speex audio\n");
-            return AVERROR(EINVAL);
-        }
-        return FLV_CODECID_SPEEX | FLV_SAMPLERATE_11025HZ | FLV_SAMPLESSIZE_16BIT;
-    } else {
-        switch (enc->sample_rate) {
-        case 44100:
-            flags |= FLV_SAMPLERATE_44100HZ;
-            break;
-        case 22050:
-            flags |= FLV_SAMPLERATE_22050HZ;
-            break;
-        case 11025:
-            flags |= FLV_SAMPLERATE_11025HZ;
-            break;
-        case 16000: // nellymoser only
-        case  8000: // nellymoser only
-        case  5512: // not MP3
-            if (enc->codec_id != AV_CODEC_ID_MP3) {
-                flags |= FLV_SAMPLERATE_SPECIAL;
-                break;
-            }
-        default:
-            av_log(s, AV_LOG_ERROR,
-                   "FLV does not support sample rate %d, "
-                   "choose from (44100, 22050, 11025)\n", enc->sample_rate);
-            return AVERROR(EINVAL);
-        }
-    }
-
-    if (enc->channels > 1)
-        flags |= FLV_STEREO;
-
-    switch (enc->codec_id) {
-    case AV_CODEC_ID_MP3:
-        flags |= FLV_CODECID_MP3    | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_PCM_U8:
-        flags |= FLV_CODECID_PCM    | FLV_SAMPLESSIZE_8BIT;
-        break;
-    case AV_CODEC_ID_PCM_S16BE:
-        flags |= FLV_CODECID_PCM    | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_PCM_S16LE:
-        flags |= FLV_CODECID_PCM_LE | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_ADPCM_SWF:
-        flags |= FLV_CODECID_ADPCM  | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_NELLYMOSER:
-        if (enc->sample_rate == 8000)
-            flags |= FLV_CODECID_NELLYMOSER_8KHZ_MONO  | FLV_SAMPLESSIZE_16BIT;
-        else if (enc->sample_rate == 16000)
-            flags |= FLV_CODECID_NELLYMOSER_16KHZ_MONO | FLV_SAMPLESSIZE_16BIT;
-        else
-            flags |= FLV_CODECID_NELLYMOSER            | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_PCM_MULAW:
-        flags = FLV_CODECID_PCM_MULAW | FLV_SAMPLERATE_SPECIAL | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case AV_CODEC_ID_PCM_ALAW:
-        flags = FLV_CODECID_PCM_ALAW  | FLV_SAMPLERATE_SPECIAL | FLV_SAMPLESSIZE_16BIT;
-        break;
-    case 0:
-        flags |= enc->codec_tag << 4;
-        break;
-    default:
-        av_log(s, AV_LOG_ERROR, "Audio codec '%s' not compatible with FLV\n",
-               avcodec_get_name(enc->codec_id));
-        return AVERROR(EINVAL);
-    }
-
-    return flags;
-}
-
-static void put_amf_string(AVIOContext *pb, const char *str)
-{
-    size_t len = strlen(str);
-    avio_wb16(pb, len);
-    avio_write(pb, str, len);
-}
-
-static void put_avc_eos_tag(AVIOContext *pb, unsigned ts)
-{
-    avio_w8(pb, FLV_TAG_TYPE_VIDEO);
-    avio_wb24(pb, 5);               /* Tag Data Size */
-    avio_wb24(pb, ts);              /* lower 24 bits of timestamp in ms */
-    avio_w8(pb, (ts >> 24) & 0x7F); /* MSB of ts in ms */
-    avio_wb24(pb, 0);               /* StreamId = 0 */
-    avio_w8(pb, 23);                /* ub[4] FrameType = 1, ub[4] CodecId = 7 */
-    avio_w8(pb, 2);                 /* AVC end of sequence */
-    avio_wb24(pb, 0);               /* Always 0 for AVC EOS. */
-    avio_wb32(pb, 16);              /* Size of FLV tag */
-}
-
-static void put_amf_double(AVIOContext *pb, double d)
-{
-    avio_w8(pb, AMF_DATA_TYPE_NUMBER);
-    avio_wb64(pb, av_double2int(d));
-}
-
-static void put_amf_bool(AVIOContext *pb, int b)
-{
-    avio_w8(pb, AMF_DATA_TYPE_BOOL);
-    avio_w8(pb, !!b);
-}
-
-static int flv_write_header(AVFormatContext *s)
-{
-    AVIOContext *pb = s->pb;
-    FLVContext *flv = s->priv_data;
-    AVCodecContext *audio_enc = NULL, *video_enc = NULL, *data_enc = NULL;
-    int i, metadata_count = 0;
-    double framerate = 0.0;
-    int64_t metadata_size_pos, data_size, metadata_count_pos;
-    AVDictionaryEntry *tag = NULL;
-
-    for (i = 0; i < s->nb_streams; i++) {
-        AVCodecContext *enc = s->streams[i]->codec;
-        FLVStreamContext *sc;
-        switch (enc->codec_type) {
-        case AVMEDIA_TYPE_VIDEO:
-            if (s->streams[i]->avg_frame_rate.den &&
-                s->streams[i]->avg_frame_rate.num) {
-                framerate = av_q2d(s->streams[i]->avg_frame_rate);
-            } else {
-                framerate = 1 / av_q2d(s->streams[i]->codec->time_base);
-            }
-            if (video_enc) {
-                av_log(s, AV_LOG_ERROR,
-                       "at most one video stream is supported in flv\n");
-                return AVERROR(EINVAL);
-            }
-            video_enc = enc;
-            if (enc->codec_tag == 0) {
-                av_log(s, AV_LOG_ERROR, "Video codec '%s' for stream %d is not compatible with FLV\n",
-                       avcodec_get_name(enc->codec_id), i);
-                return AVERROR(EINVAL);
-            }
-            break;
-        case AVMEDIA_TYPE_AUDIO:
-            if (audio_enc) {
-                av_log(s, AV_LOG_ERROR,
-                       "at most one audio stream is supported in flv\n");
-                return AVERROR(EINVAL);
-            }
-            audio_enc = enc;
-            if (get_audio_flags(s, enc) < 0)
-                return AVERROR_INVALIDDATA;
-            break;
-        case AVMEDIA_TYPE_DATA:
-            if (enc->codec_id != AV_CODEC_ID_TEXT) {
-                av_log(s, AV_LOG_ERROR, "Data codec '%s' for stream %d is not compatible with FLV\n",
-                       avcodec_get_name(enc->codec_id), i);
-                return AVERROR_INVALIDDATA;
-            }
-            data_enc = enc;
-            break;
-        default:
-            av_log(s, AV_LOG_ERROR, "Codec type '%s' for stream %d is not compatible with FLV\n",
-                   av_get_media_type_string(enc->codec_type), i);
-            return AVERROR(EINVAL);
-        }
-        avpriv_set_pts_info(s->streams[i], 32, 1, 1000); /* 32 bit pts in ms */
-
-        sc = av_mallocz(sizeof(FLVStreamContext));
-        if (!sc)
-            return AVERROR(ENOMEM);
-        s->streams[i]->priv_data = sc;
-        sc->last_ts = -1;
-    }
-
-    flv->delay = AV_NOPTS_VALUE;
-
-    avio_write(pb, "FLV", 3);
-    avio_w8(pb, 1);
-    avio_w8(pb, FLV_HEADER_FLAG_HASAUDIO * !!audio_enc +
-                FLV_HEADER_FLAG_HASVIDEO * !!video_enc);
-    avio_wb32(pb, 9);
-    avio_wb32(pb, 0);
-
-    for (i = 0; i < s->nb_streams; i++)
-        if (s->streams[i]->codec->codec_tag == 5) {
-            avio_w8(pb, 8);     // message type
-            avio_wb24(pb, 0);   // include flags
-            avio_wb24(pb, 0);   // time stamp
-            avio_wb32(pb, 0);   // reserved
-            avio_wb32(pb, 11);  // size
-            flv->reserved = 5;
-        }
-
-    /* write meta_tag */
-    avio_w8(pb, 18);            // tag type META
-    metadata_size_pos = avio_tell(pb);
-    avio_wb24(pb, 0);           // size of data part (sum of all parts below)
-    avio_wb24(pb, 0);           // timestamp
-    avio_wb32(pb, 0);           // reserved
-
-    /* now data of data_size size */
-
-    /* first event name as a string */
-    avio_w8(pb, AMF_DATA_TYPE_STRING);
-    put_amf_string(pb, "onMetaData"); // 12 bytes
-
-    /* mixed array (hash) with size and string/type/data tuples */
-    avio_w8(pb, AMF_DATA_TYPE_MIXEDARRAY);
-    metadata_count_pos = avio_tell(pb);
-    metadata_count = 5 * !!video_enc +
-                     5 * !!audio_enc +
-                     1 * !!data_enc  +
-                     2; // +2 for duration and file size
-
-    avio_wb32(pb, metadata_count);
-
-    put_amf_string(pb, "duration");
-    flv->duration_offset= avio_tell(pb);
-
-    // fill in the guessed duration, it'll be corrected later if incorrect
-    put_amf_double(pb, s->duration / AV_TIME_BASE);
-
-    if (video_enc) {
-        put_amf_string(pb, "width");
-        put_amf_double(pb, video_enc->width);
-
-        put_amf_string(pb, "height");
-        put_amf_double(pb, video_enc->height);
-
-        put_amf_string(pb, "videodatarate");
-        put_amf_double(pb, video_enc->bit_rate / 1024.0);
-
-        put_amf_string(pb, "framerate");
-        put_amf_double(pb, framerate);
-
-        put_amf_string(pb, "videocodecid");
-        put_amf_double(pb, video_enc->codec_tag);
-    }
-
-    if (audio_enc) {
-        put_amf_string(pb, "audiodatarate");
-        put_amf_double(pb, audio_enc->bit_rate / 1024.0);
-
-        put_amf_string(pb, "audiosamplerate");
-        put_amf_double(pb, audio_enc->sample_rate);
-
-        put_amf_string(pb, "audiosamplesize");
-        put_amf_double(pb, audio_enc->codec_id == AV_CODEC_ID_PCM_U8 ? 8 : 16);
-
-        put_amf_string(pb, "stereo");
-        put_amf_bool(pb, audio_enc->channels == 2);
-
-        put_amf_string(pb, "audiocodecid");
-        put_amf_double(pb, audio_enc->codec_tag);
-    }
-
-    if (data_enc) {
-        put_amf_string(pb, "datastream");
-        put_amf_double(pb, 0.0);
-    }
-
-    while ((tag = av_dict_get(s->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
-        if(   !strcmp(tag->key, "width")
-            ||!strcmp(tag->key, "height")
-            ||!strcmp(tag->key, "videodatarate")
-            ||!strcmp(tag->key, "framerate")
-            ||!strcmp(tag->key, "videocodecid")
-            ||!strcmp(tag->key, "audiodatarate")
-            ||!strcmp(tag->key, "audiosamplerate")
-            ||!strcmp(tag->key, "audiosamplesize")
-            ||!strcmp(tag->key, "stereo")
-            ||!strcmp(tag->key, "audiocodecid")
-            ||!strcmp(tag->key, "duration")
-            ||!strcmp(tag->key, "onMetaData")
-        ){
-            av_log(s, AV_LOG_DEBUG, "Ignoring metadata for %s\n", tag->key);
-            continue;
-        }
-        put_amf_string(pb, tag->key);
-        avio_w8(pb, AMF_DATA_TYPE_STRING);
-        put_amf_string(pb, tag->value);
-        metadata_count++;
-    }
-
-    put_amf_string(pb, "filesize");
-    flv->filesize_offset = avio_tell(pb);
-    put_amf_double(pb, 0); // delayed write
-
-    put_amf_string(pb, "");
-    avio_w8(pb, AMF_END_OF_OBJECT);
-
-    /* write total size of tag */
-    data_size = avio_tell(pb) - metadata_size_pos - 10;
-
-    avio_seek(pb, metadata_count_pos, SEEK_SET);
-    avio_wb32(pb, metadata_count);
-
-    avio_seek(pb, metadata_size_pos, SEEK_SET);
-    avio_wb24(pb, data_size);
-    avio_skip(pb, data_size + 10 - 3);
-    avio_wb32(pb, data_size + 11);
-
-    for (i = 0; i < s->nb_streams; i++) {
-        AVCodecContext *enc = s->streams[i]->codec;
-        if (enc->codec_id == AV_CODEC_ID_AAC || enc->codec_id == AV_CODEC_ID_H264 || enc->codec_id == AV_CODEC_ID_MPEG4) {
-            int64_t pos;
-            avio_w8(pb, enc->codec_type == AVMEDIA_TYPE_VIDEO ?
-                    FLV_TAG_TYPE_VIDEO : FLV_TAG_TYPE_AUDIO);
-            avio_wb24(pb, 0); // size patched later
-            avio_wb24(pb, 0); // ts
-            avio_w8(pb, 0);   // ts ext
-            avio_wb24(pb, 0); // streamid
-            pos = avio_tell(pb);
-            if (enc->codec_id == AV_CODEC_ID_AAC) {
-                avio_w8(pb, get_audio_flags(s, enc));
-                avio_w8(pb, 0); // AAC sequence header
-                avio_write(pb, enc->extradata, enc->extradata_size);
-            } else {
-                avio_w8(pb, enc->codec_tag | FLV_FRAME_KEY); // flags
-                avio_w8(pb, 0); // AVC sequence header
-                avio_wb24(pb, 0); // composition time
-                ff_isom_write_avcc(pb, enc->extradata, enc->extradata_size);
-            }
-            data_size = avio_tell(pb) - pos;
-            avio_seek(pb, -data_size - 10, SEEK_CUR);
-            avio_wb24(pb, data_size);
-            avio_skip(pb, data_size + 10 - 3);
-            avio_wb32(pb, data_size + 11); // previous tag size
-        }
-    }
-
-    return 0;
-}
-
-static int flv_write_trailer(AVFormatContext *s)
-{
-    int64_t file_size;
-
-    AVIOContext *pb = s->pb;
-    FLVContext *flv = s->priv_data;
-    int i;
-
-    /* Add EOS tag */
-    for (i = 0; i < s->nb_streams; i++) {
-        AVCodecContext *enc = s->streams[i]->codec;
-        FLVStreamContext *sc = s->streams[i]->priv_data;
-        if (enc->codec_type == AVMEDIA_TYPE_VIDEO &&
-                (enc->codec_id == AV_CODEC_ID_H264 || enc->codec_id == AV_CODEC_ID_MPEG4))
-            put_avc_eos_tag(pb, sc->last_ts);
-    }
-
-    file_size = avio_tell(pb);
-
-    /* update information */
-    if (avio_seek(pb, flv->duration_offset, SEEK_SET) < 0)
-        av_log(s, AV_LOG_WARNING, "Failed to update header with correct duration.\n");
-    else
-        put_amf_double(pb, flv->duration / (double)1000);
-    if (avio_seek(pb, flv->filesize_offset, SEEK_SET) < 0)
-        av_log(s, AV_LOG_WARNING, "Failed to update header with correct filesize.\n");
-    else
-        put_amf_double(pb, file_size);
-
-    avio_seek(pb, file_size, SEEK_SET);
-    return 0;
-}
-
-static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    AVIOContext *pb      = s->pb;
-    AVCodecContext *enc  = s->streams[pkt->stream_index]->codec;
-    FLVContext *flv      = s->priv_data;
-    FLVStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
-    unsigned ts;
-    int size = pkt->size;
-    uint8_t *data = NULL;
-    int flags = -1, flags_size, ret;
-
-    if (enc->codec_id == AV_CODEC_ID_VP6F || enc->codec_id == AV_CODEC_ID_VP6A ||
-        enc->codec_id == AV_CODEC_ID_VP6  || enc->codec_id == AV_CODEC_ID_AAC)
-        flags_size = 2;
-    else if (enc->codec_id == AV_CODEC_ID_H264 || enc->codec_id == AV_CODEC_ID_MPEG4)
-        flags_size = 5;
-    else
-        flags_size = 1;
-
-    switch (enc->codec_type) {
-    case AVMEDIA_TYPE_VIDEO:
-        avio_w8(pb, FLV_TAG_TYPE_VIDEO);
-
-        flags = enc->codec_tag;
-        if (flags == 0) {
-            av_log(s, AV_LOG_ERROR,
-                   "Video codec '%s' is not compatible with FLV\n",
-                   avcodec_get_name(enc->codec_id));
-            return AVERROR(EINVAL);
-        }
-
-        flags |= pkt->flags & AV_PKT_FLAG_KEY ? FLV_FRAME_KEY : FLV_FRAME_INTER;
-        break;
-    case AVMEDIA_TYPE_AUDIO:
-        flags = get_audio_flags(s, enc);
-
-        av_assert0(size);
-
-        avio_w8(pb, FLV_TAG_TYPE_AUDIO);
-        break;
-    case AVMEDIA_TYPE_DATA:
-        avio_w8(pb, FLV_TAG_TYPE_META);
-        break;
-    default:
-        return AVERROR(EINVAL);
-    }
-
-    if (enc->codec_id == AV_CODEC_ID_H264 || enc->codec_id == AV_CODEC_ID_MPEG4) {
-        /* check if extradata looks like mp4 formated */
-        if (enc->extradata_size > 0 && *(uint8_t*)enc->extradata != 1)
-            if ((ret = ff_avc_parse_nal_units_buf(pkt->data, &data, &size)) < 0)
-                return ret;
-    } else if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
-               (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
-        if (!s->streams[pkt->stream_index]->nb_frames) {
-        av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
-               "use audio bitstream filter 'aac_adtstoasc' to fix it "
-               "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
-        return AVERROR_INVALIDDATA;
-        }
-        av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
-    }
-
-    if (flv->delay == AV_NOPTS_VALUE)
-        flv->delay = -pkt->dts;
-
-    if (pkt->dts < -flv->delay) {
-        av_log(s, AV_LOG_WARNING,
-               "Packets are not in the proper order with respect to DTS\n");
-        return AVERROR(EINVAL);
-    }
-
-    ts = pkt->dts + flv->delay; // add delay to force positive dts
-
-    /* check Speex packet duration */
-    if (enc->codec_id == AV_CODEC_ID_SPEEX && ts - sc->last_ts > 160)
-        av_log(s, AV_LOG_WARNING, "Warning: Speex stream has more than "
-                                  "8 frames per packet. Adobe Flash "
-                                  "Player cannot handle this!\n");
-
-    if (sc->last_ts < ts)
-        sc->last_ts = ts;
-
-    avio_wb24(pb, size + flags_size);
-    avio_wb24(pb, ts);
-    avio_w8(pb, (ts >> 24) & 0x7F); // timestamps are 32 bits _signed_
-    avio_wb24(pb, flv->reserved);
-
-    if (enc->codec_type == AVMEDIA_TYPE_DATA) {
-        int data_size;
-        int64_t metadata_size_pos = avio_tell(pb);
-        avio_w8(pb, AMF_DATA_TYPE_STRING);
-        put_amf_string(pb, "onTextData");
-        avio_w8(pb, AMF_DATA_TYPE_MIXEDARRAY);
-        avio_wb32(pb, 2);
-        put_amf_string(pb, "type");
-        avio_w8(pb, AMF_DATA_TYPE_STRING);
-        put_amf_string(pb, "Text");
-        put_amf_string(pb, "text");
-        avio_w8(pb, AMF_DATA_TYPE_STRING);
-        put_amf_string(pb, pkt->data);
-        put_amf_string(pb, "");
-        avio_w8(pb, AMF_END_OF_OBJECT);
-        /* write total size of tag */
-        data_size = avio_tell(pb) - metadata_size_pos;
-        avio_seek(pb, metadata_size_pos - 10, SEEK_SET);
-        avio_wb24(pb, data_size);
-        avio_seek(pb, data_size + 10 - 3, SEEK_CUR);
-        avio_wb32(pb, data_size + 11);
-    } else {
-        av_assert1(flags>=0);
-        avio_w8(pb,flags);
-        if (enc->codec_id == AV_CODEC_ID_VP6)
-            avio_w8(pb,0);
-        if (enc->codec_id == AV_CODEC_ID_VP6F || enc->codec_id == AV_CODEC_ID_VP6A) {
-            if (enc->extradata_size)
-                avio_w8(pb, enc->extradata[0]);
-            else
-                avio_w8(pb, ((FFALIGN(enc->width,  16) - enc->width) << 4) |
-                             (FFALIGN(enc->height, 16) - enc->height));
-        } else if (enc->codec_id == AV_CODEC_ID_AAC)
-            avio_w8(pb, 1); // AAC raw
-        else if (enc->codec_id == AV_CODEC_ID_H264 || enc->codec_id == AV_CODEC_ID_MPEG4) {
-            avio_w8(pb, 1); // AVC NALU
-            avio_wb24(pb, pkt->pts - pkt->dts);
-        }
-
-        avio_write(pb, data ? data : pkt->data, size);
-
-        avio_wb32(pb, size + flags_size + 11); // previous tag size
-        flv->duration = FFMAX(flv->duration,
-                              pkt->pts + flv->delay + pkt->duration);
-    }
-
-    av_free(data);
-
-    return pb->error;
-}
-
-AVOutputFormat ff_flv_muxer = {
-    .name           = "flv",
-    .long_name      = NULL_IF_CONFIG_SMALL("FLV (Flash Video)"),
-    .mime_type      = "video/x-flv",
-    .extensions     = "flv",
-    .priv_data_size = sizeof(FLVContext),
-    .audio_codec    = CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_ADPCM_SWF,
-    .video_codec    = AV_CODEC_ID_FLV1,
-    .write_header   = flv_write_header,
-    .write_packet   = flv_write_packet,
-    .write_trailer  = flv_write_trailer,
-    .codec_tag      = (const AVCodecTag* const []) {
-                          flv_video_codec_ids, flv_audio_codec_ids, 0
-                      },
-    .flags          = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS |
-                      AVFMT_TS_NONSTRICT,
-};