Adds output of chroma sub-sampling information to
ffprobe -show_pixel_formats option.
Note: This patch just prints the "raw" log2_charoma_w/h values instead
of the previously suggested mapping into a chroma sub-sampling pattern
string like "4:2:2".
---
doc/ffprobe.xsd | 2 ++
ffprobe.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/doc/ffprobe.xsd b/doc/ffprobe.xsd
index bf17186..84b3810 100644
--- a/doc/ffprobe.xsd
+++ b/doc/ffprobe.xsd
@@ -309,6 +309,8 @@
<xsd:attribute name="name" type="xsd:string"
use="required"/>
<xsd:attribute name="nb_components" type="xsd:int"
use="required"/>
+ <xsd:attribute name="log2_chroma_w" type="xsd:int"/>
+ <xsd:attribute name="log2_chroma_h" type="xsd:int"/>
<xsd:attribute name="bits_per_pixel" type="xsd:int"/>
</xsd:complexType>
diff --git a/ffprobe.c b/ffprobe.c
index b6df74b..f35b780 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -2586,6 +2586,13 @@ static void ffprobe_show_pixel_formats(WriterContext *w)
writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
print_str("name", pixdesc->name);
print_int("nb_components", pixdesc->nb_components);
+ if ((pixdesc->nb_components >= 3) && !(pixdesc->flags &
AV_PIX_FMT_FLAG_RGB)) {
+ print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
+ print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
+ } else {
+ print_str_opt("log2_chroma_w", "N/A");
+ print_str_opt("log2_chroma_h", "N/A");
+ }
n = av_get_bits_per_pixel(pixdesc);
if (n) print_int ("bits_per_pixel", n);
else print_str_opt("bits_per_pixel", "N/A");
--
1.9.1
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