+++ /dev/null
-//
-// Created by Peng Li on 30/4/2018.
-//
-#include "ai_suanzi_rtmpclient_Ffmpeg.h"
-#include <android/native_window.h>
-#include <android/native_window_jni.h>
-#include "log.h"
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <unistd.h>
-
-extern "C" {
- #include "libavformat/avformat.h"
- #include "libavcodec/avcodec.h"
- #include "libswscale/swscale.h"
- #include "libavutil/imgutils.h"
- #include "libavutil/time.h"
- #include "libavdevice/avdevice.h"
-}
-
-int64_t start_time;
-AVFormatContext *ofmt_ctx;
-AVStream* video_st;
-AVCodecContext* pCodecCtx;
-AVCodec* pCodec;
-AVPacket enc_pkt;
-AVFrame *pFrameYUV;
-
-
-void custom_log(void *ptr, int level, const char* fmt, va_list vl){
- //To TXT file
- /*FILE *fp=fopen("/storage/emulated/0/av_log.txt","a+");
- if(fp){
- vfprintf(fp,fmt,vl);
- fflush(fp);
- fclose(fp);
- } */
- //To Logcat
- // LOGE(fmt, vl);
- static int print_prefix = 1;
- //static char prev[1024];
- char line[1024];
-
- av_log_format_line(ptr, level, fmt, vl, line, sizeof(line), &print_prefix);
-
- //strcpy(prev, line);
- //sanitize((uint8_t *)line);
-
- if (level <= AV_LOG_WARNING){
- LOGE("%s", line);
- } else {
- LOGE("%s", line);
- }
-}
-
-
-int framecnt = 0;
-int yuv_width;
-int yuv_height;
-int y_length;
-int uv_length;
-
-JNIEXPORT void JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_init__ (JNIEnv *env, jobject obj ){
- LOGE("########## Ffmpeg Init ##########");
- unsigned int v = avutil_version();
- LOGE("libavutil - %d.%d.%d", AV_VERSION_MAJOR(v), AV_VERSION_MINOR(v), AV_VERSION_MICRO(v));
- v = avcodec_version();
- LOGE("libavcodec - %d.%d.%d", AV_VERSION_MAJOR(v), AV_VERSION_MINOR(v), AV_VERSION_MICRO(v));
- v = avformat_version();
- LOGE("libavformat - %d.%d.%d", AV_VERSION_MAJOR(v), AV_VERSION_MINOR(v), AV_VERSION_MICRO(v));
- v = avdevice_version();
- LOGE("libavdevice - %d.%d.%d", AV_VERSION_MAJOR(v), AV_VERSION_MINOR(v), AV_VERSION_MICRO(v));
-
- av_log_set_level(AV_LOG_TRACE);
- av_register_all();
- avdevice_register_all();
- avformat_network_init();
- av_log_set_callback(custom_log);
-}
-
-
-JNIEXPORT jstring JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_getVersion (JNIEnv *env, jobject obj) {
- jint v = avformat_version();
- LOGE("######### Ffmpeg JNI version i= %d", v);
-
- system("su -c chmod 666 /dev/video0");
-
- LOGE("######### Ffmpeg JNI version i= %d", v);
-
-
- /*AVFormatContext *pFormatCtx = avformat_alloc_context();
- avdevice_register_all();
- av_log_set_callback(custom_log);
- AVInputFormat *ifmt=av_find_input_format("video4linux2");
- LOGE("===%s===", ifmt->name);
- if(avformat_open_input(&pFormatCtx,"/dev/video0",ifmt,NULL)!=0){
- LOGE("Couldn't open input stream.\n");
- return env->NewStringUTF("===== error =======");
-
- //return -1;
- }*/
-
- return env->NewStringUTF("====== Ffmpeg call =======");
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_init (JNIEnv *env, jobject obj, jint width, jint height) {
-
- //const char* out_path = "/storage/emulated/0/Movies/output.flv";
-
- //const char* out_path = "rtmp://192.168.1.35:1935/myapp/suanzi";
- const char* out_path = "rtmp://gpussh.suanzi.ai:1935/myapp/suanzi_ac83f34ead90_cameraid";
-
- // const char* out_path = "/storage/sdcard0/output.flv";
-
-
-
- LOGE("Ffmpeg init, width=%d, heigh=%d", width, height);
-
- yuv_width=width;
- yuv_height=height;
- y_length=width*height;
- uv_length=width*height/4;
-
-
- av_register_all();
-
- //output initialize
- avformat_alloc_output_context2(&ofmt_ctx, NULL, "flv", out_path);
- //output encoder initialize
- pCodec = avcodec_find_encoder(AV_CODEC_ID_H264);
- if (!pCodec){
- LOGE("Can not find encoder!\n");
- return -1;
- }
- pCodecCtx = avcodec_alloc_context3(pCodec);
- pCodecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
- pCodecCtx->width = width;
- pCodecCtx->height = height;
- pCodecCtx->time_base.num = 1;
- pCodecCtx->time_base.den = 30;
- pCodecCtx->bit_rate = 800000;
- pCodecCtx->gop_size = 300;
- /* Some formats want stream headers to be separate. */
- if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
- pCodecCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
- //H264 codec param
- //pCodecCtx->me_range = 16;
- //pCodecCtx->max_qdiff = 4;
- //pCodecCtx->qcompress = 0.6;
- pCodecCtx->qmin = 10;
- pCodecCtx->qmax = 51;
- //Optional Param
- pCodecCtx->max_b_frames = 3;
- // Set H264 preset and tune
- AVDictionary *param = 0;
- av_dict_set(¶m, "preset", "ultrafast", 0);
- av_dict_set(¶m, "tune", "zerolatency", 0);
-
- if (avcodec_open2(pCodecCtx, pCodec, ¶m) < 0){
- LOGE("Failed to open encoder!\n");
- return -1;
- }
-
- //Add a new stream to output,should be called by the user before avformat_write_header() for muxing
- video_st = avformat_new_stream(ofmt_ctx, pCodec);
- if (video_st == NULL){
- return -1;
- }
- video_st->time_base.num = 1;
- video_st->time_base.den = 30;
- video_st->codec = pCodecCtx;
-
- //Open output URL,set before avformat_write_header() for muxing
- jint ret = 0;
- if (( ret = avio_open(&ofmt_ctx->pb, out_path, AVIO_FLAG_READ_WRITE)) < 0){
- LOGE("Failed to open output file! return :%d\n", ret);
- return -1;
- }
-
- //Write File Header
- avformat_write_header(ofmt_ctx, NULL);
-
- start_time = av_gettime();
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_flush (JNIEnv *env, jobject obj){
- int ret;
- int got_frame;
- AVPacket enc_pkt;
- if (!(ofmt_ctx->streams[0]->codec->codec->capabilities & CODEC_CAP_DELAY))
- return 0;
- while (1) {
- enc_pkt.data = NULL;
- enc_pkt.size = 0;
- av_init_packet(&enc_pkt);
- ret = avcodec_encode_video2(ofmt_ctx->streams[0]->codec, &enc_pkt,
- NULL, &got_frame);
- if (ret < 0)
- break;
- if (!got_frame){
- ret = 0;
- break;
- }
- LOGE("Flush Encoder: Succeed to encode 1 frame!\tsize:%5d\n", enc_pkt.size);
-
- //Write PTS
- AVRational time_base = ofmt_ctx->streams[0]->time_base;//{ 1, 1000 };
- AVRational r_framerate1 = { 60, 2 };
- AVRational time_base_q = { 1, AV_TIME_BASE };
- //Duration between 2 frames (us)
- int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1)); //内部时间戳
- //Parameters
- enc_pkt.pts = av_rescale_q(framecnt*calc_duration, time_base_q, time_base);
- enc_pkt.dts = enc_pkt.pts;
- enc_pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base);
-
- //转换PTS/DTS(Convert PTS/DTS)
- enc_pkt.pos = -1;
- framecnt++;
- ofmt_ctx->duration = enc_pkt.duration * framecnt;
-
- /* mux encoded frame */
- ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
- if (ret < 0)
- break;
- }
- //Write file trailer
- av_write_trailer(ofmt_ctx);
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_close (JNIEnv *env, jobject obj){
- if (video_st)
- avcodec_close(video_st->codec);
- avio_close(ofmt_ctx->pb);
- avformat_free_context(ofmt_ctx);
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_process (JNIEnv *env, jobject obj, jbyteArray yuv){
- int ret;
- int enc_got_frame=0;
- int i=0;
-
- //LOGE(" process data - ffmpeg");
- pFrameYUV = av_frame_alloc();
- uint8_t *out_buffer = (uint8_t *)av_malloc(avpicture_get_size(AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height));
- avpicture_fill((AVPicture *)pFrameYUV, out_buffer, AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height);
-
- //安卓摄像头数据为NV21格式,此处将其转换为YUV420P格式
- jbyte* in= (jbyte*)env->GetByteArrayElements(yuv,0);
- memcpy(pFrameYUV->data[0],in,y_length);
- for(i=0;i<uv_length;i++)
- {
- *(pFrameYUV->data[2]+i)=*(in+y_length+i*2);
- *(pFrameYUV->data[1]+i)=*(in+y_length+i*2+1);
- }
-
- pFrameYUV->format = AV_PIX_FMT_YUV420P;
- pFrameYUV->width = yuv_width;
- pFrameYUV->height = yuv_height;
-
- enc_pkt.data = NULL;
- enc_pkt.size = 0;
- av_init_packet(&enc_pkt);
- ret = avcodec_encode_video2(pCodecCtx, &enc_pkt, pFrameYUV, &enc_got_frame);
- av_frame_free(&pFrameYUV);
-
- if (enc_got_frame == 1){
- //LOGE("Succeed to encode frame: %5d\tsize:%5d\n", framecnt, enc_pkt.size);
- framecnt++;
- enc_pkt.stream_index = video_st->index;
-
- //Write PTS
- AVRational time_base = ofmt_ctx->streams[0]->time_base;//{ 1, 1000 };
- AVRational r_framerate1 = {60, 2 };//{ 50, 2 };
- AVRational time_base_q = { 1, AV_TIME_BASE };
- //Duration between 2 frames (us)
- int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1)); //内部时间戳
- //Parameters
- //enc_pkt.pts = (double)(framecnt*calc_duration)*(double)(av_q2d(time_base_q)) / (double)(av_q2d(time_base));
- enc_pkt.pts = av_rescale_q(framecnt*calc_duration, time_base_q, time_base);
- enc_pkt.dts = enc_pkt.pts;
- enc_pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base); //(double)(calc_duration)*(double)(av_q2d(time_base_q)) / (double)(av_q2d(time_base));
- enc_pkt.pos = -1;
-
- //Delay
- int64_t pts_time = av_rescale_q(enc_pkt.dts, time_base, time_base_q);
- int64_t now_time = av_gettime() - start_time;
- if (pts_time > now_time)
- av_usleep(pts_time - now_time);
-
- ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
- av_free_packet(&enc_pkt);
- }
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_play (JNIEnv *env, jobject obj, jobject surface, jstring fname){
-
-
-
-
-
- LOGE("###### video play #####");
- // char * file_name = "/storage/emulated/0/Movies/big_buck_bunny_720p_10mb.mp4";
- const char * file_name = env->GetStringUTFChars(fname, 0);
-
- av_register_all();
- avdevice_register_all();
-
-
- AVFormatContext * pFormatCtx = avformat_alloc_context();
-
-
-//////////
- av_log_set_callback(custom_log);
-
- AVInputFormat *ifmt=av_find_input_format("video4linux2");
- LOGE("===%s===", ifmt->name);
- if(avformat_open_input(&pFormatCtx,"/dev/video0",ifmt,NULL)!=0){
- LOGE("Couldn't open file:\n");
- return -1; // Couldn't open file
- }
-
-
-///////////
-
-/*
- // Open video file
- if(avformat_open_input(&pFormatCtx, file_name, NULL, NULL)!=0) {
-
- LOGE("Couldn't open file:%s\n", file_name);
- return -1; // Couldn't open file
- }
-*/
- // Retrieve stream information
- if(avformat_find_stream_info(pFormatCtx, NULL)<0) {
- LOGE("Couldn't find stream information.");
- return -1;
- }
-
- // Find the first video stream
- int videoStream = -1, i;
- for (i = 0; i < pFormatCtx->nb_streams; i++) {
- if (pFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO
- && videoStream < 0) {
- videoStream = i;
- }
- }
- if(videoStream==-1) {
- LOGE("Didn't find a video stream.");
- return -1; // Didn't find a video stream
- }
-
- // Get a pointer to the codec context for the video stream
- AVCodecContext * pCodecCtx = pFormatCtx->streams[videoStream]->codec;
- LOGE("============= %d ========",__LINE__);
- // Find the decoder for the video stream
- AVCodec * pCodec = avcodec_find_decoder(pCodecCtx->codec_id);
- if(pCodec==NULL) {
- LOGE("Codec not found.");
- return -1; // Codec not found
- }
-
- if(avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
- LOGE("Could not open codec.");
- return -1; // Could not open codec
- }
-
- // 获取native window
- ANativeWindow* nativeWindow = ANativeWindow_fromSurface(env, surface);
-
- // 获取视频宽高
- int videoWidth = pCodecCtx->width;
- int videoHeight = pCodecCtx->height;
-
- // 设置native window的buffer大小,可自动拉伸
- ANativeWindow_setBuffersGeometry(nativeWindow, videoWidth, videoHeight, WINDOW_FORMAT_RGBA_8888);
- ANativeWindow_Buffer windowBuffer;
-
- if(avcodec_open2(pCodecCtx, pCodec, NULL)<0) {
- LOGE("Could not open codec.");
- return -1; // Could not open codec
- }
-
- LOGE("stream format:%s", pFormatCtx->iformat->name);
- LOGE("duration :%lld", (pFormatCtx->duration) / 1000000);
- LOGE("Width, Height:%d x %d", pCodecCtx->width, pCodecCtx->height);
- LOGE("Decoder name:%s", pCodec->name);
-
- // Allocate video frame
- AVFrame * pFrame = av_frame_alloc();
-
- // 用于渲染
- AVFrame * pFrameRGBA = av_frame_alloc();
- if(pFrameRGBA == NULL || pFrame == NULL) {
- LOGE("Could not allocate video frame.");
- return -1;
- }
-
- // Determine required buffer size and allocate buffer
- int numBytes=av_image_get_buffer_size(AV_PIX_FMT_RGBA, pCodecCtx->width, pCodecCtx->height, 1);
- uint8_t * buffer=(uint8_t *)av_malloc(numBytes*sizeof(uint8_t));
- av_image_fill_arrays(pFrameRGBA->data, pFrameRGBA->linesize, buffer, AV_PIX_FMT_RGBA,
- pCodecCtx->width, pCodecCtx->height, 1);
-
- // 由于解码出来的帧格式不是RGBA的,在渲染之前需要进行格式转换
- struct SwsContext *sws_ctx = sws_getContext(pCodecCtx->width,
- pCodecCtx->height,
- pCodecCtx->pix_fmt,
- pCodecCtx->width,
- pCodecCtx->height,
- AV_PIX_FMT_RGBA,
- SWS_BILINEAR,
- NULL,
- NULL,
- NULL);
-
- int frameFinished;
- AVPacket packet;
- while(av_read_frame(pFormatCtx, &packet)>=0) {
- // Is this a packet from the video stream?
- if(packet.stream_index==videoStream) {
-
- // Decode video frame
- avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &packet);
-
- // 并不是decode一次就可解码出一帧
- if (frameFinished) {
-
- // lock native window buffer
- ANativeWindow_lock(nativeWindow, &windowBuffer, 0);
-
- // 格式转换
- sws_scale(sws_ctx, (uint8_t const * const *)pFrame->data,
- pFrame->linesize, 0, pCodecCtx->height,
- pFrameRGBA->data, pFrameRGBA->linesize);
-
- // 获取stride
- uint8_t * dst = (uint8_t*) windowBuffer.bits;
- int dstStride = windowBuffer.stride * 4;
- uint8_t * src = (uint8_t*) (pFrameRGBA->data[0]);
- int srcStride = pFrameRGBA->linesize[0];
-
- // 由于window的stride和帧的stride不同,因此需要逐行复制
- int h;
- for (h = 0; h < videoHeight; h++) {
- memcpy(dst + h * dstStride, src + h * srcStride, srcStride);
- }
-
- ANativeWindow_unlockAndPost(nativeWindow);
- }
-
- }
- av_packet_unref(&packet);
- }
-
- av_free(buffer);
- av_free(pFrameRGBA);
-
- // Free the YUV frame
- av_free(pFrame);
-
- // Close the codecs
- avcodec_close(pCodecCtx);
-
- // Close the video file
- avformat_close_input(&pFormatCtx);
-
- env->ReleaseStringUTFChars(fname, file_name);
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_push (JNIEnv *env, jobject obj, jobject surface) {
-
- /*
- av_log_set_level(AV_LOG_TRACE);
- av_register_all();
- avformat_network_init();
- avdevice_register_all();
- */
-
- LOGE("====push=====");
-// av_log_set_callback(custom_log);
-
- int ret = 0;
- /// Open Input
- AVFormatContext *pFormatCtx = avformat_alloc_context();
-
- AVInputFormat *ifmt = av_find_input_format("video4linux2");
- if((ret = avformat_open_input(&pFormatCtx, "/dev/video0", ifmt, NULL)) != 0) {
- // if((ret = avformat_open_input(&pFormatCtx, "/dev/bus/usb/003/007", ifmt, NULL)) != 0) {
-
- LOGE("could not open file11, ret=%d, error=%s,", ret, av_err2str(ret));
- return -1;
- }
-
- if (avformat_find_stream_info(pFormatCtx, NULL) < 0) {
- LOGE( "could not find stream info");
- return -1;
- }
-
- av_dump_format(pFormatCtx, 0, "0", 0);
-
- AVCodec *dec;
- int video_index = -1;
- if((video_index = av_find_best_stream(pFormatCtx, AVMEDIA_TYPE_VIDEO, -1, -1, &dec, 0)) < 0){
- LOGE( "error");
- return -1;
- }
-
- AVCodecContext *pCodecCtx = pFormatCtx->streams[video_index]->codec;
- if(avcodec_open2(pCodecCtx, dec, NULL) <0){
- LOGE( "eee");
- return -1;
- }
-
-
- // Open Output
- //const char* out_path = "rtmp://192.168.1.35:1935/myapp/peng2";
- const char* out_path = "rtmp://gpussh.suanzi.ai:1935/myapp/suanzi_ac83f34ead90_cameraid";
-
- AVFormatContext *ofmt_ctx;
- avformat_alloc_output_context2(&ofmt_ctx, NULL, "flv", out_path);
- AVCodec *oDec = avcodec_find_encoder(AV_CODEC_ID_H264);
- if (!oDec) {
- LOGE("Can not find endoder");
- return -1;
- }
-
- AVCodecContext *oCodecCtx = avcodec_alloc_context3(oDec);
- oCodecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
- oCodecCtx->width = pCodecCtx->width;
- oCodecCtx->height = pCodecCtx->height;
- oCodecCtx->time_base.num = 1;
- oCodecCtx->time_base.den = 30;
- oCodecCtx->bit_rate = 800000;
- oCodecCtx->gop_size = 300;
- if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
- oCodecCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
- oCodecCtx->qmin = 10;
- oCodecCtx->qmax = 51;
- oCodecCtx->max_b_frames = 3;
-
- AVDictionary *params = 0;
- av_dict_set(¶ms, "preset", "ultrafast", 0);
- av_dict_set(¶ms, "tune", "zerolatency", 0);
-
- if (avcodec_open2(oCodecCtx, oDec, ¶ms) < 0){
- LOGE("Failed to open encoder");
- return -1;
- }
-
- AVStream *videoStream = avformat_new_stream(ofmt_ctx, oDec);
- if (videoStream == NULL){
- return -1;
- }
-
- videoStream->time_base.num = 1;
- videoStream->time_base.den = 30;
- videoStream->codec = oCodecCtx;
-
- if((ret = avio_open(&ofmt_ctx->pb, out_path, AVIO_FLAG_READ_WRITE)) < 0){
- LOGE("Failed open out file22 erro=%d, ==%s==", ret, av_err2str(ret) );
- //LOGE("Failed open out file22 erro=%d", ret);
- return -1;
- }
-
- avformat_write_header(ofmt_ctx, NULL);
- /////////////
-
-
-
-
- //
- AVFrame *pFrame, *pFrameYUV;
- pFrame = av_frame_alloc();
- pFrameYUV = av_frame_alloc();
-
- int num_bytes = av_image_get_buffer_size(AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height, 1);
- uint8_t *buffer = (uint8_t *)av_malloc(num_bytes * sizeof(uint8_t));
- av_image_fill_arrays(pFrameYUV->data, pFrameYUV->linesize, buffer, AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height, 1);
-
- pFrameYUV->format = AV_PIX_FMT_YUV420P;
- pFrameYUV->width = pCodecCtx->width;
- pFrameYUV->height = pCodecCtx->height;
-
- struct SwsContext *img_convert_ctx;
- img_convert_ctx = sws_getContext(pCodecCtx->width,
- pCodecCtx->height,
- pCodecCtx->pix_fmt,
- pCodecCtx->width,
- pCodecCtx->height,
- AV_PIX_FMT_YUV420P,
- SWS_BICUBIC,
- NULL, NULL, NULL);
-
- AVPacket *packet = (AVPacket *)av_malloc(sizeof(AVPacket));
- int got_picture = 0;
-
- AVPacket enc_pkt ;
-
- int64_t framecnt = 0;
-
- while(av_read_frame(pFormatCtx, packet) >= 0){
- if (packet->stream_index == video_index){
- ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture, packet);
- if (ret < 0){
- LOGE("Decode Error.");
- return -1;
- }
- if (got_picture){
- sws_scale(img_convert_ctx, (const unsigned char* const*)pFrame->data, pFrame->linesize, 0, pCodecCtx->height, pFrameYUV->data, pFrameYUV->linesize);
-
- enc_pkt.data = NULL;
- enc_pkt.size = 0;
- av_init_packet(&enc_pkt);
- int enc_got_frame = 0;
- ret = avcodec_encode_video2(oCodecCtx, &enc_pkt, pFrameYUV, &enc_got_frame);
- if (enc_got_frame == 1){
-
- framecnt++;
- enc_pkt.stream_index = videoStream->index;
-
- // write PTS
- AVRational time_base = ofmt_ctx->streams[0]->time_base;
- AVRational r_framerate1 = {60, 2};
- AVRational time_base_q = {1, AV_TIME_BASE};
-
- int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1)); //内部时间戳
- enc_pkt.pts = av_rescale_q(framecnt*calc_duration, time_base_q, time_base);
- enc_pkt.dts = enc_pkt.pts;
- enc_pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base); //(double)(calc_duration)*(double)(av_q2d(time_base_q)) / (double)(av_q2d(time_base));
- enc_pkt.pos = -1;
-
- int64_t pts_time = av_rescale_q(enc_pkt.dts, time_base, time_base_q);
-
- ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
- //av_frame_free(&pFrameYUV);
- //av_packet_unref(packet);
-
- av_free_packet(&enc_pkt);
- //av_packet_unref(&enc_pkt);
- }
- }
- }
- av_packet_unref(packet);
- }
-
- sws_freeContext(img_convert_ctx);
- av_free(pFrameYUV);
- av_free(pFrame);
- avcodec_close(pCodecCtx);
- avformat_close_input(&pFormatCtx);
- return 0;
-}
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_preview (JNIEnv *env, jobject obj, jobject surface){
-
- LOGE("###### video preview #####");
-
- av_register_all();
- avdevice_register_all();
-
-
- AVFormatContext * pFormatCtx = avformat_alloc_context();
-
-
- av_log_set_callback(custom_log);
-
- AVInputFormat *ifmt=av_find_input_format("video4linux2");
- LOGE("===%s===", ifmt->name);
- if(avformat_open_input(&pFormatCtx,"/dev/video0",ifmt,NULL)!=0){
- LOGE("Couldn't open file:\n");
- return -1; // Couldn't open file
- }
-
- // Retrieve stream information
- if(avformat_find_stream_info(pFormatCtx, NULL)<0) {
- LOGE("Couldn't find stream information.");
- return -1;
- }
-
- // Find the first video stream
- int videoStream = -1, i;
- for (i = 0; i < pFormatCtx->nb_streams; i++) {
- if (pFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO
- && videoStream < 0) {
- videoStream = i;
- }
- }
- if(videoStream==-1) {
- LOGE("Didn't find a video stream.");
- return -1; // Didn't find a video stream
- }
-
- // Get a pointer to the codec context for the video stream
- AVCodecContext * pCodecCtx = pFormatCtx->streams[videoStream]->codec;
- LOGE("============= %d ========",__LINE__);
- // Find the decoder for the video stream
- AVCodec * pCodec = avcodec_find_decoder(pCodecCtx->codec_id);
- if(pCodec==NULL) {
- LOGE("Codec not found.");
- return -1; // Codec not found
- }
-
- if(avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
- LOGE("Could not open codec.");
- return -1; // Could not open codec
- }
-
- // 获取native window
- ANativeWindow* nativeWindow = ANativeWindow_fromSurface(env, surface);
-
- // 获取视频宽高
- int videoWidth = pCodecCtx->width;
- int videoHeight = pCodecCtx->height;
-
- // 设置native window的buffer大小,可自动拉伸
- ANativeWindow_setBuffersGeometry(nativeWindow, videoWidth, videoHeight, WINDOW_FORMAT_RGBA_8888);
- ANativeWindow_Buffer windowBuffer;
-
-
- LOGE("stream format:%s", pFormatCtx->iformat->name);
- LOGE("duration :%lld", (pFormatCtx->duration) / 1000000);
- LOGE("Width, Height:%d x %d", pCodecCtx->width, pCodecCtx->height);
- LOGE("Decoder name:%s", pCodec->name);
-
- // Allocate video frame
- AVFrame * pFrame = av_frame_alloc();
-
- // 用于渲染
- AVFrame * pFrameRGBA = av_frame_alloc();
- if(pFrameRGBA == NULL || pFrame == NULL) {
- LOGE("Could not allocate video frame.");
- return -1;
- }
-
- // Determine required buffer size and allocate buffer
- int numBytes=av_image_get_buffer_size(AV_PIX_FMT_RGBA, pCodecCtx->width, pCodecCtx->height, 1);
- uint8_t * buffer=(uint8_t *)av_malloc(numBytes*sizeof(uint8_t));
- av_image_fill_arrays(pFrameRGBA->data, pFrameRGBA->linesize, buffer, AV_PIX_FMT_RGBA,
- pCodecCtx->width, pCodecCtx->height, 1);
-
- // 由于解码出来的帧格式不是RGBA的,在渲染之前需要进行格式转换
- struct SwsContext *sws_ctx = sws_getContext(pCodecCtx->width,
- pCodecCtx->height,
- pCodecCtx->pix_fmt,
- pCodecCtx->width,
- pCodecCtx->height,
- AV_PIX_FMT_RGBA,
- SWS_BILINEAR,
- NULL,
- NULL,
- NULL);
-
- int frameFinished;
- AVPacket packet;
- while(av_read_frame(pFormatCtx, &packet)>=0) {
- // Is this a packet from the video stream?
- if(packet.stream_index==videoStream) {
-
- // Decode video frame
- avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &packet);
-
- // 并不是decode一次就可解码出一帧
- if (frameFinished) {
-
- // lock native window buffer
- ANativeWindow_lock(nativeWindow, &windowBuffer, 0);
-
- // 格式转换
- sws_scale(sws_ctx, (uint8_t const * const *)pFrame->data,
- pFrame->linesize, 0, pCodecCtx->height,
- pFrameRGBA->data, pFrameRGBA->linesize);
-
- // 获取stride
- uint8_t * dst = (uint8_t*) windowBuffer.bits;
- int dstStride = windowBuffer.stride * 4;
- uint8_t * src = (uint8_t*) (pFrameRGBA->data[0]);
- int srcStride = pFrameRGBA->linesize[0];
-
- // 由于window的stride和帧的stride不同,因此需要逐行复制
- int h;
- for (h = 0; h < videoHeight; h++) {
- memcpy(dst + h * dstStride, src + h * srcStride, srcStride);
- }
-
- ANativeWindow_unlockAndPost(nativeWindow);
- }
-
- }
- av_packet_unref(&packet);
- }
-
- av_free(buffer);
- av_free(pFrameRGBA);
-
- // Free the YUV frame
- av_free(pFrame);
-
- // Close the codecs
- avcodec_close(pCodecCtx);
-
- // Close the video file
- avformat_close_input(&pFormatCtx);
-
- //env->ReleaseStringUTFChars(fname, file_name);
- return 0;
-}
-
-JNIEXPORT jstring JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_getPerfectDevice (JNIEnv *env, jobject obj) {
- int ret;
- LOGE("getPerfectDevice");
- AVFormatContext *pFormatCtx = avformat_alloc_context();
- AVInputFormat *ifmt = av_find_input_format("video4linux2");
- if((ret = avformat_open_input(&pFormatCtx, "/dev/video0", ifmt, NULL)) != 0) {
- LOGE("could not open file11, ret=%d, error=%s,", ret, av_err2str(ret));
- //return ;
- }
- if (avformat_find_stream_info(pFormatCtx, NULL) < 0) {
- LOGE( "could not find stream info");
- //return -1;
- }
- av_dump_format(pFormatCtx, 0, "0", 0);
- avformat_free_context(pFormatCtx);
- //system("su -c \"find / -perm -2000 -o -perm -4000; ps; ls\"");
- system("touch /storage/sdcard0/aa");
-
- return env->NewStringUTF("====== Ffmpeg call =======");
-}
-
-
-
-
-JNIEXPORT jint JNICALL Java_ai_suanzi_rtmpclient_Ffmpeg_test (JNIEnv *env, jobject obj, jint fd){
- char path[512] = {0};
- char* real_path = NULL;
-
- LOGE("=================");
- //system("su -c chmod 666 /dev/video0");
- /*
-#ifdef ANDROID_USB_CAMERA
- //MY_USB_CAMER_FD = fd;
- avdevice_set_android_usb_fd(fd);
-
- //LOGE("MY camer fd is %d", MY_USB_CAMER_FD);
-#endif
-
- sprintf(path, "/proc/%d/fd/%d", getpid(), fd);
- if(path[0] != '\0'){
- LOGE("fd path is %s.", path);
- real_path = realpath(path, NULL);
- if(real_path != NULL){
- LOGE("get full path from fd %s.", real_path);
- free(real_path);
- }
- }
-*/
-
-/*
-
-
-
- LOGE("====push=====");
-// av_log_set_callback(custom_log);
-
- int ret = 0;
- /// Open Input
- AVFormatContext *pFormatCtx = avformat_alloc_context();
-
- AVInputFormat *ifmt = av_find_input_format("video4linux2");
- //if((ret = avformat_open_input(&pFormatCtx, "/dev/video0", ifmt, NULL)) != 0) {
- if((ret = avformat_open_input(&pFormatCtx, real_path, ifmt, NULL)) != 0) {
-
- LOGE("could not open file11, ret=%d, error=%s,", ret, av_err2str(ret));
- return -1;
- }
-
- if (avformat_find_stream_info(pFormatCtx, NULL) < 0) {
- LOGE( "could not find stream info");
- return -1;
- }
-
- av_dump_format(pFormatCtx, 0, "0", 0);
-
- AVCodec *dec;
- int video_index = -1;
- if((video_index = av_find_best_stream(pFormatCtx, AVMEDIA_TYPE_VIDEO, -1, -1, &dec, 0)) < 0){
- LOGE( "error");
- return -1;
- }
-
- AVCodecContext *pCodecCtx = pFormatCtx->streams[video_index]->codec;
- if(avcodec_open2(pCodecCtx, dec, NULL) <0){
- LOGE( "eee");
- return -1;
- }
-
-
- // Open Output
- //const char* out_path = "rtmp://192.168.1.35:1935/myapp/peng2";
- const char* out_path = "rtmp://gpussh.suanzi.ai:1935/myapp/suanzi_ac83f34ead90_cameraid";
-
- AVFormatContext *ofmt_ctx;
- avformat_alloc_output_context2(&ofmt_ctx, NULL, "flv", out_path);
- AVCodec *oDec = avcodec_find_encoder(AV_CODEC_ID_H264);
- if (!oDec) {
- LOGE("Can not find endoder");
- return -1;
- }
-
- AVCodecContext *oCodecCtx = avcodec_alloc_context3(oDec);
- oCodecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
- oCodecCtx->width = pCodecCtx->width;
- oCodecCtx->height = pCodecCtx->height;
- oCodecCtx->time_base.num = 1;
- oCodecCtx->time_base.den = 30;
- oCodecCtx->bit_rate = 800000;
- oCodecCtx->gop_size = 300;
- if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
- oCodecCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
- oCodecCtx->qmin = 10;
- oCodecCtx->qmax = 51;
- oCodecCtx->max_b_frames = 3;
-
- AVDictionary *params = 0;
- av_dict_set(¶ms, "preset", "ultrafast", 0);
- av_dict_set(¶ms, "tune", "zerolatency", 0);
-
- if (avcodec_open2(oCodecCtx, oDec, ¶ms) < 0){
- LOGE("Failed to open encoder");
- return -1;
- }
-
- AVStream *videoStream = avformat_new_stream(ofmt_ctx, oDec);
- if (videoStream == NULL){
- return -1;
- }
-
- videoStream->time_base.num = 1;
- videoStream->time_base.den = 30;
- videoStream->codec = oCodecCtx;
-
- if((ret = avio_open(&ofmt_ctx->pb, out_path, AVIO_FLAG_READ_WRITE)) < 0){
- LOGE("Failed open out file22 erro=%d, ==%s==", ret, av_err2str(ret) );
- //LOGE("Failed open out file22 erro=%d", ret);
- return -1;
- }
-
- avformat_write_header(ofmt_ctx, NULL);
- /////////////
-
-
-
-
- //
- AVFrame *pFrame, *pFrameYUV;
- pFrame = av_frame_alloc();
- pFrameYUV = av_frame_alloc();
-
- int num_bytes = av_image_get_buffer_size(AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height, 1);
- uint8_t *buffer = (uint8_t *)av_malloc(num_bytes * sizeof(uint8_t));
- av_image_fill_arrays(pFrameYUV->data, pFrameYUV->linesize, buffer, AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height, 1);
-
- pFrameYUV->format = AV_PIX_FMT_YUV420P;
- pFrameYUV->width = pCodecCtx->width;
- pFrameYUV->height = pCodecCtx->height;
-
- struct SwsContext *img_convert_ctx;
- img_convert_ctx = sws_getContext(pCodecCtx->width,
- pCodecCtx->height,
- pCodecCtx->pix_fmt,
- pCodecCtx->width,
- pCodecCtx->height,
- AV_PIX_FMT_YUV420P,
- SWS_BICUBIC,
- NULL, NULL, NULL);
-
- AVPacket *packet = (AVPacket *)av_malloc(sizeof(AVPacket));
- int got_picture = 0;
-
- AVPacket enc_pkt ;
-
- int64_t framecnt = 0;
-
- while(av_read_frame(pFormatCtx, packet) >= 0){
- if (packet->stream_index == video_index){
- ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture, packet);
- if (ret < 0){
- LOGE("Decode Error.");
- return -1;
- }
- if (got_picture){
- sws_scale(img_convert_ctx, (const unsigned char* const*)pFrame->data, pFrame->linesize, 0, pCodecCtx->height, pFrameYUV->data, pFrameYUV->linesize);
-
- enc_pkt.data = NULL;
- enc_pkt.size = 0;
- av_init_packet(&enc_pkt);
- int enc_got_frame = 0;
- ret = avcodec_encode_video2(oCodecCtx, &enc_pkt, pFrameYUV, &enc_got_frame);
- if (enc_got_frame == 1){
-
- framecnt++;
- enc_pkt.stream_index = videoStream->index;
-
- // write PTS
- AVRational time_base = ofmt_ctx->streams[0]->time_base;
- AVRational r_framerate1 = {60, 2};
- AVRational time_base_q = {1, AV_TIME_BASE};
-
- int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1)); //内部时间戳
- enc_pkt.pts = av_rescale_q(framecnt*calc_duration, time_base_q, time_base);
- enc_pkt.dts = enc_pkt.pts;
- enc_pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base); //(double)(calc_duration)*(double)(av_q2d(time_base_q)) / (double)(av_q2d(time_base));
- enc_pkt.pos = -1;
-
- int64_t pts_time = av_rescale_q(enc_pkt.dts, time_base, time_base_q);
-
- ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
- //av_frame_free(&pFrameYUV);
- //av_packet_unref(packet);
-
- av_free_packet(&enc_pkt);
- //av_packet_unref(&enc_pkt);
- }
- }
- }
- av_packet_unref(packet);
- }
-
- sws_freeContext(img_convert_ctx);
- av_free(pFrameYUV);
- av_free(pFrame);
- avcodec_close(pCodecCtx);
- avformat_close_input(&pFormatCtx);
-
-
-*/
-
-
-
-
-
-
-
-
-
-
-
-}