This is a collection of working commandline examples to show how one could use FFMpeg and VLC for live transcoding of video streams. All examples have been tested on OSX 10.7.5 with FFMPeg 1.1.3 and VLC 2.0.5 in early 2013.
Documentation links
| #include <libavutil/timestamp.h> | |
| #include <libavformat/avformat.h> | |
| static FILE *open_file_write(const char *file); | |
| static FILE *open_file_read(const char *file); | |
| static size_t write_packt_to_file(AVPacket *packet, FILE *file); | |
| static size_t read_packt_from_file(AVPacket *packet, FILE *file); | |
| static void close_file(FILE *file); | |
| static void log_packet(const AVFormatContext *fmt_ctx, const AVPacket *pkt, const char *tag) |
| int save_frame_as_jpeg(AVCodecContext *pCodecCtx, AVFrame *pFrame, int FrameNo) { | |
| AVCodec *jpegCodec = avcodec_find_encoder(AV_CODEC_ID_JPEG2000); | |
| if (!jpegCodec) { | |
| return -1; | |
| } | |
| AVCodecContext *jpegContext = avcodec_alloc_context3(jpegCodec); | |
| if (!jpegContext) { | |
| return -1; | |
| } |