hedgewars/avwrapper.c
author nemo
Thu, 27 Sep 2012 13:37:10 -0400
changeset 7717 2684fdb9d874
parent 7542 37ef1891efe2
child 8065 609d07b337b5
permissions -rw-r--r--
revert since I didn't quite get this working smoothly enough. was close though. perhaps some other time. Shame because calling game tick less frequently can save a lot of CPU
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdarg.h>
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#include "libavformat/avformat.h"
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#ifndef AVIO_FLAG_WRITE
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#define AVIO_FLAG_WRITE AVIO_WRONLY
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#endif
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static AVFormatContext* g_pContainer;
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static AVOutputFormat* g_pFormat;
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static AVStream* g_pAStream;
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static AVStream* g_pVStream;
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static AVFrame* g_pAFrame;
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static AVFrame* g_pVFrame;
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static AVCodec* g_pACodec;
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static AVCodec* g_pVCodec;
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static AVCodecContext* g_pAudio;
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static AVCodecContext* g_pVideo;
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static int g_Width, g_Height;
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static uint32_t g_Frequency, g_Channels;
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static int g_VQuality;
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static AVRational g_Framerate;
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static FILE* g_pSoundFile;
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static int16_t* g_pSamples;
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static int g_NumSamples;
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/*
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Initially I wrote code for latest ffmpeg, but on Linux (Ubuntu)
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only older version is available from repository. That's why you see here
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all of this #if LIBAVCODEC_VERSION_MAJOR < 54.
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Actually, it may be possible to remove code for newer version
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and use only code for older version.
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*/
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#if LIBAVCODEC_VERSION_MAJOR < 54
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#define OUTBUFFER_SIZE 200000
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static uint8_t g_OutBuffer[OUTBUFFER_SIZE];
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#endif
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// pointer to function from hwengine (uUtils.pas)
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static void (*AddFileLogRaw)(const char* pString);
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static void FatalError(const char* pFmt, ...)
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{
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    const char Buffer[1024];
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    va_list VaArgs;
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    va_start(VaArgs, pFmt);
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    va_end(VaArgs);
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    AddFileLogRaw("Error in av-wrapper: ");
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    AddFileLogRaw(Buffer);
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    AddFileLogRaw("\n");
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    exit(1);
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}
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// Function to be called from libav for logging.
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// Note: libav can call LogCallback from different threads
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// (there is mutex in AddFileLogRaw).
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static void LogCallback(void* p, int Level, const char* pFmt, va_list VaArgs)
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{
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    const char Buffer[1024];
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    AddFileLogRaw(Buffer);
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}
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static void Log(const char* pFmt, ...)
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{
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    const char Buffer[1024];
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    va_list VaArgs;
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    va_start(VaArgs, pFmt);
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    va_end(VaArgs);
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    AddFileLogRaw(Buffer);
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}
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static void AddAudioStream()
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{
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#if LIBAVFORMAT_VERSION_MAJOR >= 54
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    g_pAStream = avformat_new_stream(g_pContainer, g_pACodec);
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#else
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    g_pAStream = av_new_stream(g_pContainer, 1);
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#endif
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    if(!g_pAStream)
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    {
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        Log("Could not allocate audio stream\n");
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        return;
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    }
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    g_pAStream->id = 1;
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    g_pAudio = g_pAStream->codec;
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    avcodec_get_context_defaults3(g_pAudio, g_pACodec);
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    g_pAudio->codec_id = g_pACodec->id;
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    // put parameters
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    g_pAudio->sample_fmt = AV_SAMPLE_FMT_S16;
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    g_pAudio->sample_rate = g_Frequency;
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    g_pAudio->channels = g_Channels;
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    // set quality
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    g_pAudio->bit_rate = 160000;
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    // for codecs that support variable bitrate use it, it should be better
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    g_pAudio->flags |= CODEC_FLAG_QSCALE;
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    g_pAudio->global_quality = 1*FF_QP2LAMBDA;
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    // some formats want stream headers to be separate
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    if (g_pFormat->flags & AVFMT_GLOBALHEADER)
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        g_pAudio->flags |= CODEC_FLAG_GLOBAL_HEADER;
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    // open it
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#if LIBAVCODEC_VERSION_MAJOR >= 53
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    if (avcodec_open2(g_pAudio, g_pACodec, NULL) < 0)
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#else
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    if (avcodec_open(g_pAudio, g_pACodec) < 0)
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#endif
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    {
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        Log("Could not open audio codec %s\n", g_pACodec->long_name);
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        return;
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    }
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#if LIBAVCODEC_VERSION_MAJOR >= 54
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    if (g_pACodec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
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#else
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    if (g_pAudio->frame_size == 0)
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#endif
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        g_NumSamples = 4096;
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    else
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        g_NumSamples = g_pAudio->frame_size;
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    g_pSamples = (int16_t*)av_malloc(g_NumSamples*g_Channels*sizeof(int16_t));
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    g_pAFrame = avcodec_alloc_frame();
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    if (!g_pAFrame)
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    {
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        Log("Could not allocate frame\n");
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        return;
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    }
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}
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// returns non-zero if there is more sound
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static int WriteAudioFrame()
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{
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    if (!g_pAStream)
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        return 0;
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    AVPacket Packet = { 0 };
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    av_init_packet(&Packet);
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    int NumSamples = fread(g_pSamples, 2*g_Channels, g_NumSamples, g_pSoundFile);
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#if LIBAVCODEC_VERSION_MAJOR >= 54
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    AVFrame* pFrame = NULL;
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    if (NumSamples > 0)
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    {
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        g_pAFrame->nb_samples = NumSamples;
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        avcodec_fill_audio_frame(g_pAFrame, g_Channels, AV_SAMPLE_FMT_S16,
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                                 (uint8_t*)g_pSamples, NumSamples*2*g_Channels, 1);
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        pFrame = g_pAFrame;
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    }
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    // when NumSamples == 0 we still need to call encode_audio2 to flush
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    int got_packet;
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    if (avcodec_encode_audio2(g_pAudio, &Packet, pFrame, &got_packet) != 0)
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        FatalError("avcodec_encode_audio2 failed");
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    if (!got_packet)
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        return 0;
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#else
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    if (NumSamples == 0)
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        return 0;
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    int BufferSize = OUTBUFFER_SIZE;
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    if (g_pAudio->frame_size == 0)
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        BufferSize = NumSamples*g_Channels*2;
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    Packet.size = avcodec_encode_audio(g_pAudio, g_OutBuffer, BufferSize, g_pSamples);
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    if (Packet.size == 0)
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        return 1;
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    if (g_pAudio->coded_frame && g_pAudio->coded_frame->pts != AV_NOPTS_VALUE)
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        Packet.pts = av_rescale_q(g_pAudio->coded_frame->pts, g_pAudio->time_base, g_pAStream->time_base);
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    Packet.flags |= AV_PKT_FLAG_KEY;
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    Packet.data = g_OutBuffer;
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#endif
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    // Write the compressed frame to the media file.
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    Packet.stream_index = g_pAStream->index;
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    if (av_interleaved_write_frame(g_pContainer, &Packet) != 0) 
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        FatalError("Error while writing audio frame");
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    return 1;
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}
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// add a video output stream
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static void AddVideoStream()
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{
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#if LIBAVFORMAT_VERSION_MAJOR >= 54
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    g_pVStream = avformat_new_stream(g_pContainer, g_pVCodec);
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#else
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    g_pVStream = av_new_stream(g_pContainer, 0);
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#endif
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    if (!g_pVStream)
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        FatalError("Could not allocate video stream");
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    g_pVideo = g_pVStream->codec;
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    avcodec_get_context_defaults3(g_pVideo, g_pVCodec);
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    g_pVideo->codec_id = g_pVCodec->id;
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    // put parameters
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    // resolution must be a multiple of two
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    g_pVideo->width  = g_Width  & ~1; // make even (dimensions should be even)
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    g_pVideo->height = g_Height & ~1; // make even
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    /* time base: this is the fundamental unit of time (in seconds) in terms
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       of which frame timestamps are represented. for fixed-fps content,
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       timebase should be 1/framerate and timestamp increments should be
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       identically 1. */
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    g_pVideo->time_base.den = g_Framerate.num;
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    g_pVideo->time_base.num = g_Framerate.den;
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    //g_pVideo->gop_size = 12; /* emit one intra frame every twelve frames at most */
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    g_pVideo->pix_fmt = PIX_FMT_YUV420P;
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    // set quality
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    if (g_VQuality > 100)
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        g_pVideo->bit_rate = g_VQuality;
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    else
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    {
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        g_pVideo->flags |= CODEC_FLAG_QSCALE;
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        g_pVideo->global_quality = g_VQuality*FF_QP2LAMBDA;
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    }
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    // some formats want stream headers to be separate
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    if (g_pFormat->flags & AVFMT_GLOBALHEADER)
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        g_pVideo->flags |= CODEC_FLAG_GLOBAL_HEADER;
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#if LIBAVCODEC_VERSION_MAJOR < 54
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    // for some versions of ffmpeg x264 options must be set explicitly
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    if (strcmp(g_pVCodec->name, "libx264") == 0)
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    {
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        g_pVideo->coder_type = FF_CODER_TYPE_AC;
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        g_pVideo->flags |= CODEC_FLAG_LOOP_FILTER;
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        g_pVideo->crf = 23;
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        g_pVideo->thread_count = 3;
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        g_pVideo->me_cmp = FF_CMP_CHROMA;
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        g_pVideo->partitions = X264_PART_I8X8 | X264_PART_I4X4 | X264_PART_P8X8 | X264_PART_B8X8;
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        g_pVideo->me_method = ME_HEX;
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        g_pVideo->me_subpel_quality = 7;
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        g_pVideo->me_range = 16;
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        g_pVideo->gop_size = 250;
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        g_pVideo->keyint_min = 25;
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        g_pVideo->scenechange_threshold = 40;
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        g_pVideo->i_quant_factor = 0.71;
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        g_pVideo->b_frame_strategy = 1;
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        g_pVideo->qcompress = 0.6;
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        g_pVideo->qmin = 10;
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        g_pVideo->qmax = 51;
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        g_pVideo->max_qdiff = 4;
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        g_pVideo->max_b_frames = 3;
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        g_pVideo->refs = 3;
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        g_pVideo->directpred = 1;
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        g_pVideo->trellis = 1;
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        g_pVideo->flags2 = CODEC_FLAG2_BPYRAMID | CODEC_FLAG2_MIXED_REFS | CODEC_FLAG2_WPRED | CODEC_FLAG2_8X8DCT | CODEC_FLAG2_FASTPSKIP;
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        g_pVideo->weighted_p_pred = 2;
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    }
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#endif
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   287
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diff changeset
   288
    // open the codec
7359
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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diff changeset
   289
#if LIBAVCODEC_VERSION_MAJOR >= 53
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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diff changeset
   290
    AVDictionary* pDict = NULL;
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   291
    if (strcmp(g_pVCodec->name, "libx264") == 0)
7376
48b79b3ca592 rework saving of camera positions so there is no need to know framerate during prerecording.
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parents: 7359
diff changeset
   292
        av_dict_set(&pDict, "preset", "medium", 0);
7359
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   293
7180
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parents:
diff changeset
   294
    if (avcodec_open2(g_pVideo, g_pVCodec, &pDict) < 0)
7359
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   295
#else
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   296
    if (avcodec_open(g_pVideo, g_pVCodec) < 0)
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   297
#endif
7180
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parents:
diff changeset
   298
        FatalError("Could not open video codec %s", g_pVCodec->long_name);
53ffc8853008 here it is
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parents:
diff changeset
   299
53ffc8853008 here it is
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parents:
diff changeset
   300
    g_pVFrame = avcodec_alloc_frame();
53ffc8853008 here it is
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parents:
diff changeset
   301
    if (!g_pVFrame)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   302
        FatalError("Could not allocate frame");
53ffc8853008 here it is
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parents:
diff changeset
   303
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   304
    g_pVFrame->linesize[0] = g_Width;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   305
    g_pVFrame->linesize[1] = g_Width/2;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   306
    g_pVFrame->linesize[2] = g_Width/2;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   307
    g_pVFrame->linesize[3] = 0;
53ffc8853008 here it is
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parents:
diff changeset
   308
}
53ffc8853008 here it is
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parents:
diff changeset
   309
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diff changeset
   310
static int WriteFrame(AVFrame* pFrame)
7180
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parents:
diff changeset
   311
{
53ffc8853008 here it is
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parents:
diff changeset
   312
    double AudioTime, VideoTime;
53ffc8853008 here it is
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parents:
diff changeset
   313
53ffc8853008 here it is
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parents:
diff changeset
   314
    // write interleaved audio frame
53ffc8853008 here it is
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parents:
diff changeset
   315
    if (g_pAStream)
53ffc8853008 here it is
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parents:
diff changeset
   316
    {
53ffc8853008 here it is
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parents:
diff changeset
   317
        VideoTime = (double)g_pVStream->pts.val*g_pVStream->time_base.num/g_pVStream->time_base.den;
53ffc8853008 here it is
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parents:
diff changeset
   318
        do
53ffc8853008 here it is
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parents:
diff changeset
   319
            AudioTime = (double)g_pAStream->pts.val*g_pAStream->time_base.num/g_pAStream->time_base.den;
53ffc8853008 here it is
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parents:
diff changeset
   320
        while (AudioTime < VideoTime && WriteAudioFrame());
53ffc8853008 here it is
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parents:
diff changeset
   321
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
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diff changeset
   322
    
5debd5fe526e 1. Add IFDEFs for video recording
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parents: 7180
diff changeset
   323
    if (!g_pVStream)
5debd5fe526e 1. Add IFDEFs for video recording
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parents: 7180
diff changeset
   324
        return 0;
7180
53ffc8853008 here it is
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parents:
diff changeset
   325
53ffc8853008 here it is
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parents:
diff changeset
   326
    AVPacket Packet;
53ffc8853008 here it is
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parents:
diff changeset
   327
    av_init_packet(&Packet);
53ffc8853008 here it is
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parents:
diff changeset
   328
    Packet.data = NULL;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   329
    Packet.size = 0;
53ffc8853008 here it is
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parents:
diff changeset
   330
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   331
    g_pVFrame->pts++;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   332
    if (g_pFormat->flags & AVFMT_RAWPICTURE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   333
    {
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   334
        /* raw video case. The API will change slightly in the near
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   335
           future for that. */
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   336
        Packet.flags |= AV_PKT_FLAG_KEY;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   337
        Packet.stream_index = g_pVStream->index;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   338
        Packet.data = (uint8_t*)pFrame;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   339
        Packet.size = sizeof(AVPicture);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   340
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   341
        if (av_interleaved_write_frame(g_pContainer, &Packet) != 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   342
            FatalError("Error while writing video frame");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   343
        return 0;
53ffc8853008 here it is
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parents:
diff changeset
   344
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   345
    else
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   346
    {
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   347
#if LIBAVCODEC_VERSION_MAJOR >= 54
53ffc8853008 here it is
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parents:
diff changeset
   348
        int got_packet;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   349
        if (avcodec_encode_video2(g_pVideo, &Packet, pFrame, &got_packet) < 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   350
            FatalError("avcodec_encode_video2 failed");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   351
        if (!got_packet)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   352
            return 0;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   353
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   354
        if (Packet.pts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   355
            Packet.pts = av_rescale_q(Packet.pts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   356
        if (Packet.dts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   357
            Packet.dts = av_rescale_q(Packet.dts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   358
#else 
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   359
        Packet.size = avcodec_encode_video(g_pVideo, g_OutBuffer, OUTBUFFER_SIZE, pFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   360
        if (Packet.size < 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   361
            FatalError("avcodec_encode_video failed");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   362
        if (Packet.size == 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   363
            return 0;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   364
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   365
        if( g_pVideo->coded_frame->pts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   366
            Packet.pts = av_rescale_q(g_pVideo->coded_frame->pts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   367
        if( g_pVideo->coded_frame->key_frame )
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   368
            Packet.flags |= AV_PKT_FLAG_KEY;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   369
        Packet.data = g_OutBuffer;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   370
#endif
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   371
        // write the compressed frame in the media file
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   372
        Packet.stream_index = g_pVStream->index;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   373
        if (av_interleaved_write_frame(g_pContainer, &Packet) != 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   374
            FatalError("Error while writing video frame");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   375
            
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   376
        return 1;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   377
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   378
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   379
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   380
void AVWrapper_WriteFrame(uint8_t* pY, uint8_t* pCb, uint8_t* pCr)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   381
{
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   382
    g_pVFrame->data[0] = pY;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   383
    g_pVFrame->data[1] = pCb;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   384
    g_pVFrame->data[2] = pCr;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   385
    WriteFrame(g_pVFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   386
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   387
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   388
void AVWrapper_Init(
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   389
         void (*pAddFileLogRaw)(const char*),
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   390
         const char* pFilename,
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   391
         const char* pDesc,
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   392
         const char* pSoundFile,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   393
         const char* pFormatName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   394
         const char* pVCodecName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   395
         const char* pACodecName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   396
         int Width, int Height,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   397
         int FramerateNum, int FramerateDen,
7376
48b79b3ca592 rework saving of camera positions so there is no need to know framerate during prerecording.
Stepan777 <stepik-777@mail.ru>
parents: 7359
diff changeset
   398
         int VQuality)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   399
{    
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   400
    AddFileLogRaw = pAddFileLogRaw;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   401
    av_log_set_callback( &LogCallback );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   402
7282
c65992e2d794 correctly fix odd dimensions (it was incorrectly fixed in previous commit)
Stepan777 <stepik-777@mail.ru>
parents: 7280
diff changeset
   403
    g_Width  = Width;
c65992e2d794 correctly fix odd dimensions (it was incorrectly fixed in previous commit)
Stepan777 <stepik-777@mail.ru>
parents: 7280
diff changeset
   404
    g_Height = Height;
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   405
    g_Framerate.num = FramerateNum;
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   406
    g_Framerate.den = FramerateDen;
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   407
    g_VQuality = VQuality;
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   408
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   409
    // initialize libav and register all codecs and formats
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   410
    av_register_all();
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   411
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   412
    // find format
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   413
    g_pFormat = av_guess_format(pFormatName, NULL, NULL);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   414
    if (!g_pFormat)
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   415
        FatalError("Format \"%s\" was not found", pFormatName);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   416
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   417
    // allocate the output media context
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   418
    g_pContainer = avformat_alloc_context();
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   419
    if (!g_pContainer)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   420
        FatalError("Could not allocate output context");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   421
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   422
    g_pContainer->oformat = g_pFormat;
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   423
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   424
    // store description of file
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   425
    av_dict_set(&g_pContainer->metadata, "comment", pDesc, 0);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   426
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   427
    // append extesnion to filename
7235
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   428
    char ext[16];
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   429
    strncpy(ext, g_pFormat->extensions, 16);
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   430
    ext[15] = 0;
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   431
    ext[strcspn(ext,",")] = 0;
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   432
    snprintf(g_pContainer->filename, sizeof(g_pContainer->filename), "%s.%s", pFilename, ext);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   433
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   434
    // find codecs
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   435
    g_pVCodec = avcodec_find_encoder_by_name(pVCodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   436
    g_pACodec = avcodec_find_encoder_by_name(pACodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   437
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   438
    // add audio and video stream to container
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   439
    g_pVStream = NULL;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   440
    g_pAStream = NULL;
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   441
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   442
    if (g_pVCodec)
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   443
        AddVideoStream();
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   444
    else
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   445
        Log("Video codec \"%s\" was not found; video will be ignored.\n", pVCodecName);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   446
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   447
    if (g_pACodec)
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   448
    {
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   449
        g_pSoundFile = fopen(pSoundFile, "rb");
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   450
        if (g_pSoundFile)
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   451
        {
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   452
            fread(&g_Frequency, 4, 1, g_pSoundFile);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   453
            fread(&g_Channels, 4, 1, g_pSoundFile);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   454
            AddAudioStream();
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   455
        }
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   456
        else
7306
3cff5c769509 Here they come - thumbnails.
Stepan777 <stepik-777@mail.ru>
parents: 7282
diff changeset
   457
            Log("Could not open %s\n", pSoundFile);
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   458
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   459
    else
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   460
        Log("Audio codec \"%s\" was not found; audio will be ignored.\n", pACodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   461
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   462
    if (!g_pAStream && !g_pVStream)
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   463
        FatalError("No video, no audio, aborting...");
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   464
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   465
    // write format info to log
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   466
    av_dump_format(g_pContainer, 0, g_pContainer->filename, 1);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   467
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   468
    // open the output file, if needed
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   469
    if (!(g_pFormat->flags & AVFMT_NOFILE))
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   470
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   471
        if (avio_open(&g_pContainer->pb, g_pContainer->filename, AVIO_FLAG_WRITE) < 0)
7306
3cff5c769509 Here they come - thumbnails.
Stepan777 <stepik-777@mail.ru>
parents: 7282
diff changeset
   472
            FatalError("Could not open output file (%s)", g_pContainer->filename);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   473
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   474
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   475
    // write the stream header, if any
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   476
    avformat_write_header(g_pContainer, NULL);
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   477
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   478
    g_pVFrame->pts = -1;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   479
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   480
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   481
void AVWrapper_Close()
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   482
{
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   483
    // output buffered frames
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   484
    if (g_pVCodec->capabilities & CODEC_CAP_DELAY)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   485
        while( WriteFrame(NULL) );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   486
    // output any remaining audio
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   487
    while( WriteAudioFrame() );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   488
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   489
    // write the trailer, if any.
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   490
    av_write_trailer(g_pContainer);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   491
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   492
    // close the output file
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   493
    if (!(g_pFormat->flags & AVFMT_NOFILE))
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   494
        avio_close(g_pContainer->pb);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   495
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   496
    // free everything
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   497
    if (g_pVStream)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   498
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   499
        avcodec_close(g_pVideo);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   500
        av_free(g_pVideo);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   501
        av_free(g_pVStream);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   502
        av_free(g_pVFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   503
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   504
    if (g_pAStream)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   505
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   506
        avcodec_close(g_pAudio);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   507
        av_free(g_pAudio);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   508
        av_free(g_pAStream);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   509
        av_free(g_pAFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   510
        av_free(g_pSamples);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   511
        fclose(g_pSoundFile);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   512
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   513
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   514
    av_free(g_pContainer);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   515
}