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flvmux: Put width and height in the metadata

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Some players use that info to scale their display.

See #613094.
This commit is contained in:
Jan Urbański 2010-03-16 23:43:39 +01:00 committed by Sebastian Dröge
parent 96de71d74b
commit dcb5afd351
1 changed files with 33 additions and 0 deletions
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33
gst/flv/gstflvmux.c
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@ -752,12 +752,43 @@ gst_flv_mux_create_metadata (GstFlvMux * mux)
if (video_pad && GST_PAD_CAPS (video_pad)) {
GstStructure *s = gst_caps_get_structure (GST_PAD_CAPS (video_pad), 0);
gint size;
gint par_x, par_y;
if (gst_structure_get_int (s, "width", &size)) {
GST_DEBUG_OBJECT (mux, "putting width %d in the metadata", size);
tmp = gst_buffer_new_and_alloc (2 + 5 + 1 + 8);
data = GST_BUFFER_DATA (tmp);
data[0] = 0;
data[1] = 5; /* 5 bytes name */
memcpy (&data[2], "width", 5);
data[7] = 0; /* double */
GST_WRITE_DOUBLE_BE (data + 8, size);
script_tag = gst_buffer_join (script_tag, tmp);
tags_written++;
}
if (gst_structure_get_int (s, "height", &size)) {
GST_DEBUG_OBJECT (mux, "putting height %d in the metadata", size);
tmp = gst_buffer_new_and_alloc (2 + 6 + 1 + 8);
data = GST_BUFFER_DATA (tmp);
data[0] = 0;
data[1] = 6; /* 6 bytes name */
memcpy (&data[2], "height", 6);
data[8] = 0; /* double */
GST_WRITE_DOUBLE_BE (data + 9, size);
script_tag = gst_buffer_join (script_tag, tmp);
tags_written++;
}
if (gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_x, &par_y)) {
gdouble d;
d = par_x;
GST_DEBUG_OBJECT (mux, "putting AspectRatioX %f in the metadata", d);
tmp = gst_buffer_new_and_alloc (2 + 12 + 1 + 8);
data = GST_BUFFER_DATA (tmp);
data[0] = 0; /* 12 bytes name */
@ -769,6 +800,8 @@ gst_flv_mux_create_metadata (GstFlvMux * mux)
tags_written++;
d = par_y;
GST_DEBUG_OBJECT (mux, "putting AspectRatioY %f in the metadata", d);
tmp = gst_buffer_new_and_alloc (2 + 12 + 1 + 8);
data = GST_BUFFER_DATA (tmp);
data[0] = 0; /* 12 bytes name */