--- /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, jstring url){
+
+ /*
+ av_log_set_level(AV_LOG_TRACE);
+ av_register_all();
+ avformat_network_init();
+ avdevice_register_all();
+ */
+
+ LOGE("====push=====");
+// av_log_set_callback(custom_log);
+ // 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";
+ const char* out_path = env->GetStringUTFChars(url, 0);
+ //const char * file_name = env->GetStringUTFChars(fname, 0);
+
+
+ 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);
+
+
+*/
+
+
+
+
+
+
+
+
+
+
+
+}
projects / rtmpclient.git / commitdiff