| | |
| | | #include <libavformat/avformat.h> |
| | | #include <libavcodec/avcodec.h> |
| | | #include <libavutil/opt.h> |
| | | #include <libavutil/intreadwrite.h> |
| | | } |
| | | |
| | | #include "../log/log.hpp" |
| | |
| | | ,format_name_("mp4") |
| | | ,in_v_stream_(NULL) |
| | | ,in_a_stream_(NULL) |
| | | ,bsf_h264(NULL) |
| | | ,bsf_hevc(NULL) |
| | | {} |
| | | |
| | | FormatOut::~FormatOut() |
| | | { |
| | | clear(); |
| | | |
| | | if (bsf_h264) av_bsf_free(&bsf_h264); |
| | | if (bsf_hevc) av_bsf_free(&bsf_hevc); |
| | | } |
| | | |
| | | void FormatOut::clear(){ |
| | |
| | | |
| | | enc_ctx_->codec_id = AV_CODEC_ID_H264; |
| | | enc_ctx_->codec_type = AVMEDIA_TYPE_VIDEO; |
| | | enc_ctx_->height = (prop.height_ & 0x01) ? prop.height_-1 : prop.height_; |
| | | enc_ctx_->width = (prop.width_ & 0x01) ? prop.width_ - 1 : prop.width_; |
| | | enc_ctx_->height = prop.height_ & ~0x01; |
| | | enc_ctx_->width = prop.width_ & ~0x01; |
| | | |
| | | enc_ctx_->sample_aspect_ratio = prop.sample_aspect_ratio_; |
| | | |
| | |
| | | av_opt_set(enc_ctx_->priv_data, "tune", "zerolatency", 0); |
| | | av_opt_set(enc_ctx_->priv_data, "profile", "baseline", 0); |
| | | |
| | | int err =avcodec_open2(enc_ctx_, codec, NULL); |
| | | int err = avcodec_open2(enc_ctx_, codec, NULL); |
| | | if( err< 0) |
| | | { |
| | | logIt("can't open output codec: %s", getAVErrorDesc(err).c_str()); |
| | |
| | | return false; |
| | | } |
| | | ofmt->video_codec = codec_id; |
| | | if(ofmt->flags & AVFMT_GLOBALHEADER) |
| | | { |
| | | if(ofmt->flags & AVFMT_GLOBALHEADER){ |
| | | enc_ctx_->flags |= AV_CODEC_FLAG_GLOBAL_HEADER; |
| | | } |
| | | |
| | | |
| | | return true; |
| | | |
| | | } |
| | | |
| | | AVStream *FormatOut::getStream(){ |
| | |
| | | } |
| | | |
| | | flag = openResource(filename, 2); |
| | | |
| | | |
| | | // h264 mp4toannexb |
| | | if (v && v->codecpar->codec_id == AV_CODEC_ID_H264) { |
| | | if (!bsf_h264){ |
| | | char p[100] = {0}; |
| | | char *sub = av_fourcc_make_string(p, v->codecpar->codec_tag); |
| | | if (strcmp(sub, "avc1") == 0){ |
| | | const AVBitStreamFilter *f = av_bsf_get_by_name("h264_mp4toannexb"); |
| | | if (f){ |
| | | if (av_bsf_alloc(f, &bsf_h264) >= 0){ |
| | | if (avcodec_parameters_copy(bsf_h264->par_in, v->codecpar) >= 0){ |
| | | if (av_bsf_init(bsf_h264) < 0) bsf_h264 = NULL; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | // h264 mp4toannexb |
| | | |
| | | if(flag){ |
| | | AVDictionary *avdic = NULL; |
| | | char option_key[]="movflags"; |
| | |
| | | flag = writeHeader(&avdic); |
| | | av_dict_free(&avdic); |
| | | } |
| | | |
| | | |
| | | return flag; |
| | | } |
| | | |
| | |
| | | int out_idx = -1; |
| | | std::vector<AVStream*> in_streams{in_v_stream_, in_a_stream_}; |
| | | for (auto i : in_streams){ |
| | | if (i->index == pkt->stream_index){ |
| | | if (i && (i->index == pkt->stream_index)){ |
| | | if (i->codecpar->codec_type == AVMEDIA_TYPE_VIDEO){ |
| | | out_idx = v_idx_; |
| | | in_stream = i; |
| | |
| | | bool interleaved/* = true*/){ |
| | | |
| | | adjustPTS(pkt, frame_cnt); |
| | | auto ret = writeFrame2(pkt, interleaved); |
| | | auto ret = writeFrameInternal(pkt, interleaved); |
| | | if (!ret){ |
| | | logIt("write to file failed, pkt.pts: %lld, dts: %lld, frame count: %d", |
| | | pkt->pts, pkt->dts, frame_cnt); |
| | |
| | | return ret; |
| | | } |
| | | |
| | | bool FormatOut::writeFrame2(AVPacket *pkt, bool interleaved){ |
| | | |
| | | static bool write_frame(AVFormatContext *ctx, AVPacket *pkt, bool interleaved){ |
| | | |
| | | int ret = 0; |
| | | if(interleaved){ |
| | | ret = av_interleaved_write_frame(ctx_, pkt); |
| | | ret = av_interleaved_write_frame(ctx, pkt); |
| | | }else{ |
| | | // returns 1 if flushed and there is no more data to flush |
| | | ret = av_write_frame(ctx_, pkt); |
| | | ret = av_write_frame(ctx, pkt); |
| | | } |
| | | |
| | | |
| | | if(ret < -22 || ret == 0){ |
| | | return true; |
| | | } |
| | |
| | | return false; |
| | | } |
| | | |
| | | bool FormatOut::writeFrameInternal(AVPacket *pkt, bool interleaved){ |
| | | |
| | | AVBSFContext *bsf = NULL; |
| | | |
| | | if (in_v_stream_ && in_v_stream_->codecpar->codec_id == AV_CODEC_ID_HEVC) { |
| | | if (pkt->size >= 5 && |
| | | AV_RB32(pkt->data) != 0x0000001 && |
| | | AV_RB24(pkt->data) != 0x000001 && |
| | | !bsf_hevc){ |
| | | |
| | | const AVBitStreamFilter *f = av_bsf_get_by_name("hevc_mp4toannexb"); |
| | | if (f){ |
| | | if (av_bsf_alloc(f, &bsf_hevc) >= 0){ |
| | | if (avcodec_parameters_copy(bsf_hevc->par_in, in_v_stream_->codecpar) >= 0){ |
| | | if (av_bsf_init(bsf_hevc) < 0) bsf_hevc = NULL; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | bsf = bsf_hevc; |
| | | logIt("use hevc AVBitStreamFilter"); |
| | | }else { |
| | | bsf = bsf_h264; |
| | | logIt("use h264 AVBitStreamFilter"); |
| | | } |
| | | |
| | | if (bsf){ |
| | | if (av_bsf_send_packet(bsf, pkt) < 0){ |
| | | logIt("bsf send packet failed"); |
| | | return true; |
| | | } |
| | | if (av_bsf_receive_packet(bsf, pkt) < 0){ |
| | | logIt("bsf recv packet failed"); |
| | | return true; |
| | | } |
| | | } |
| | | |
| | | return write_frame(ctx_, pkt, interleaved); |
| | | } |
| | | |
| | | bool FormatOut::writeTrailer(){ |
| | | const int ret = av_write_trailer(ctx_); |
| | | if(ret != 0) |