Fix pts generation with repeated parameter set (#42)

* Get pts from the VCL NAL unit instead of from the first NAL unit from the AU when the timestamps are rewritten

* Fix the description of skip_until_keyframe option

README.md

@@ -22,7 +22,7 @@ The package can be installed by adding `membrane_h264_plugin` to your list of de
 ```elixir
 def deps do
  [
- {:membrane_h264_plugin, "~> 0.7.1"}
+ {:membrane_h264_plugin, "~> 0.7.2"}
  ]
 end
 ```

lib/membrane_h264_plugin/parser.ex

@@ -46,6 +46,7 @@ defmodule Membrane.H264.Parser do
  use Membrane.Filter
 
  require Membrane.Logger
+ require Membrane.H264.Parser.NALuTypes, as: NALuTypes
 
  alias __MODULE__.{
  AUSplitter,
@@ -114,8 +115,6 @@ defmodule Membrane.H264.Parser do
  default: true,
  description: """
  Determines whether to drop the stream until the first key frame is received.
-
- Defaults to false.
  """
  ],
  repeat_parameter_sets: [
@@ -528,7 +527,7 @@ defmodule Membrane.H264.Parser do
 
  {timestamps, %{state | au_timestamp_generator: timestamp_generator}}
  else
- {hd(au).timestamps, state}
+ {Enum.find(au, &NALuTypes.is_vcl_nalu_type(&1.type)).timestamps, state}
  end
  end
 

mix.exs

@@ -1,7 +1,7 @@
 defmodule Membrane.H264.Plugin.Mixfile do
  use Mix.Project
 
- @version "0.7.1"
+ @version "0.7.2"
  @github_url "https://github.com/membraneframework-labs/membrane_h264_plugin"
 
  def project do