More video modes, from the D4.

diff --git a/bmusb.cpp b/bmusb.cpp
index 8787f8b51ce4dfa017dd742ef5baa9babb9053b9..2ea6407f6ce1bf230e31ee7aaeb363a8d407b784 100644 (file)
--- a/bmusb.cpp
+++ b/bmusb.cpp
@@ -1181,11 +1181,16 @@ bool decode_video_format(uint16_t video_format, unsigned *width, unsigned *heigh
        // except when it's not (e.g. it's the only difference between NTSC
        // and PAL). Rather confusing. But we clear it here nevertheless, because
        // usually it doesn't mean anything.
-       uint16_t normalized_video_format = video_format & ~0xe808;
+       //
+       // 0x4 is a flag I've only seen from the D4. I don't know what it is.
+       uint16_t normalized_video_format = video_format & ~0xe80c;
        constexpr VideoFormatEntry entries[] = {
-               { 0x0011,  720,  576,   0, 44,  5,    50,    1, false },  // 576p50 (5:4)
+               { 0x01f1,  720,  480,   0, 40,  5, 60000, 1001, false },  // 480p59.94 (believed).
+               { 0x0131,  720,  576,   0, 44,  5,    50,    1, false },  // 576p50.
+               { 0x0011,  720,  576,   0, 44,  5,    50,    1, false },  // 576p50 (5:4).
                { 0x0143, 1280,  720,   0, 25,  5,    50,    1, false },  // 720p50.
                { 0x0103, 1280,  720,   0, 25,  5,    60,    1, false },  // 720p60.
+               { 0x0125, 1280,  720,   0, 25,  5,    60,    1, false },  // 720p60.
                { 0x0121, 1280,  720,   0, 25,  5, 60000, 1001, false },  // 720p59.94.
                { 0x01c3, 1920, 1080,   0,  0,  0,    30,    1, false },  // 1080p30.
                { 0x0003, 1920, 1080, 583, 20, 25,    30,    1,  true },  // 1080i60.
@@ -1210,7 +1215,7 @@ bool decode_video_format(uint16_t video_format, unsigned *width, unsigned *heigh
                }
        }
 
-       printf("Unknown video format 0x%04x. Assuming 720p60.\n", video_format);
+       printf("Unknown video format 0x%04x (normalized 0x%04x). Assuming 720p60.\n", video_format, normalized_video_format);
        *width = 1280;
        *height = 720;
        *frame_rate_nom = 60;

diff --git a/formats.txt b/formats.txt
index 8842cfe24884fdf5ba35b6b36c0812375fb42cd2..3b3abd3cc1604334a311eba1ae357ed41ea821e6 100644 (file)
--- a/formats.txt
+++ b/formats.txt
@@ -7,6 +7,7 @@
 0xe90e - 720p59.94?? from the scaler (deep color?)
 
 
+480p60      - 0xe9f1 (unsure if this is 60 or 59.94)
 NTSC        - 0xe901 (also seen 0xe9c1, 0xe801)
 NTSC 23.98  - 0xe901
 PAL         - 0xe909 (also seen 0xe9c9 and 0xebe9)
@@ -22,6 +23,13 @@ PAL         - 0xe909 (also seen 0xe9c9 and 0xebe9)
 720p 59.94  - 0xe92d (also seen 0xe925)
 720p 60     - 0xe90b (also seen 0xe903)
 
+
+unknown video modes from the D4:
+
+640x424 30 fps - 0xe931
+640x424 25 fps - 0xe939
+
+
 theories:
 
 video       - 0xe800