A list of all streams in the file. New streams are created with
avformat_new_stream().
- demuxing: streams are created by libavformat in avformat_open_input().
If AVFMTCTX_NOHEADER is set in ctx_flags, then new streams may also
appear in av_read_frame().
- muxing: streams are created by the user before avformat_write_header().
A list of all streams in the file. New streams are created with avformat_new_stream().
- demuxing: streams are created by libavformat in avformat_open_input(). If AVFMTCTX_NOHEADER is set in ctx_flags, then new streams may also appear in av_read_frame(). - muxing: streams are created by the user before avformat_write_header().
Freed by libavformat in avformat_free_context().