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45d2f5a779
This patch introduces the AVTP Compressed Video Format (CVF) depayloader specified in IEEE 1722-2016 section 8. Currently, this depayloader only supports H.264 encapsulation described in section 8.5. Is also worth noting that only single NAL units are handled: aggregated and fragmented payloads are not handled. As stated in AVTP CVF payloader patch, AVTP timestamp is used to define outgoing buffer DTS, while the H264_TIMESTAMP defines outgoing buffer PTS. When an AVTP packet is received, the extracted H.264 NAL unit is added to a "stash" (the out_buffer) of H.264 NAL units. This "stash" is pushed downstream as single buffer (with NAL units aggregated according to format used on GStreamer, based on ISO/IEC 14496-15) as soon as we get the AVTP packet with M bit set. This patch groups NAL units using a fixed NAL size lenght, sent downstream on the `codec_data` capability. The "stash" of NAL units can be prematurely sent downstream if a discontinuity (a missing SEQNUM) happens. This patch reuses the infra provided by gstavtpbasedepayload.c.
37 lines
708 B
Makefile
37 lines
708 B
Makefile
plugin_LTLIBRARIES = libgstavtp.la
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libgstavtp_la_SOURCES = \
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gstavtp.c \
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gstavtpaafdepay.c \
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gstavtpaafpay.c \
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gstavtpbasedepayload.c \
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gstavtpbasepayload.c \
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gstavtpcvfdepay.c \
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gstavtpcvfpay.c \
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gstavtpsink.c \
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gstavtpsrc.c
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libgstavtp_la_CFLAGS = \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_BASE_CFLAGS) \
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$(GST_CFLAGS) \
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$(AVTP_CFLAGS)
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libgstavtp_la_LIBADD = \
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$(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) \
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$(GST_BASE_LIBS) \
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$(GST_LIBS) \
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$(AVTP_LIBS)
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libgstavtp_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = \
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gstavtpaafdepay.h \
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gstavtpaafpay.h \
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gstavtpbasedepayload.h \
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gstavtpbasepayload.h \
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gstavtpcvfdepay.h \
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gstavtpcvfpay.h \
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gstavtpsink.h \
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gstavtpsrc.h
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