android integrated ffmpeg encoding camera data mpegts format mpegvideo encoding error
first step initialization
extern "C"
JNIEXPORT jint JNICALL
Java_com_deerlive_jni_ffmpeg_FFmpegHandle_onFrameCallback(JNIEnv *env, jobject instance,
jbyteArray buffer_) {
startTime = av_gettime();
jbyte *in = env->GetByteArrayElements(buffer_, NULL);
int ret = 0;
//
//AV_PIX_FMT_YUV420P
//NV21YUV420P
////N21 0~width * heightY width*height~ width*height*3/2VU
//Y
memcpy(pFrameYUV->data[0], in, y_length); //Y
for (int i = 0; i < uv_length; iPP) {
//v
*(pFrameYUV->data[2] + i) = *(in + y_length + i * 2);
//U
*(pFrameYUV->data[1] + i) = *(in + y_length + i * 2 + 1);
}
pFrameYUV->format = pCodecCtx->pix_fmt;
pFrameYUV->width = yuv_width;
pFrameYUV->height = yuv_height;
pFrameYUV->pts = count;
//pFrameYUV->pts = (1.0 / 30) * 90 * count; ////////////////////////////
//H.2641AVPacketdataNAL
//AVPacket
enc_pkt.data = NULL;
enc_pkt.size = 0;
av_init_packet(&enc_pkt);
// __android_log_print(ANDROID_LOG_WARN, "eric", ":%lld",
// (long long) ((av_gettime() - startTime) / 1000));
//YUV
/* send the frame to the encoder */
ret = avcodec_send_frame(pCodecCtx, pFrameYUV);
if (ret < 0) {
logi("Error sending a frame for encoding\n");
}
ret = avcodec_receive_packet(pCodecCtx, &enc_pkt);
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
logi("Error during encodg\n");
else if (ret < 0) {
logi("Error during encoding\n");
}
//av_frame_free(&pFrameYUV);
if (ret != 0 || enc_pkt.size <= 0) {
loge("avcodec_receive_packet error");
return -2;
}
enc_pkt.stream_index = video_st->index;
AVRational time_base = ofmt_ctx->streams[0]->time_base;
AVRational r_frame_rate1 = pCodecCtx->framerate;
AVRational time_base_q = {1, AV_TIME_BASE};
int64_t calc_duration = (double)(AV_TIME_BASE) * (1 / av_q2d(r_frame_rate1));
//enc_pkt.pts = count * (video_st->time_base.den) / ((video_st->time_base.num) * fps);
enc_pkt.pts = av_rescale_q(count * calc_duration, time_base_q, time_base);
enc_pkt.dts = enc_pkt.pts;
//enc_pkt.duration = (video_st->time_base.den) / ((video_st->time_base.num) * fps);
enc_pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base);
enc_pkt.pos = -1;
ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
if (ret != 0) {
loge("av_interleaved_write_frame failed");
}
countPP;
env->ReleaseByteArrayElements(buffer_, in, 0);
return 0;
}
error message:
avcodec_send_frame send error
avcodec_receive_packet error