[vlc-commits] demux: mp4: add sps/pps less AVC Intra lookup tables

Francois Cartegnie git at videolan.org
Thu Dec 3 17:34:57 CET 2015


vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Thu Dec  3 14:05:58 2015 +0100| [d3bbd4cf1083674e5ec9d8a77a35883ad6563b54] | committer: Francois Cartegnie

demux: mp4: add sps/pps less AVC Intra lookup tables

Would be nicer to rebuild SPS/PPS on the fly as most
of the parameters are the same, but dealing with
matrixes adds too much code :/

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=d3bbd4cf1083674e5ec9d8a77a35883ad6563b54
---

 modules/demux/mp4/avci.h |  151 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)

diff --git a/modules/demux/mp4/avci.h b/modules/demux/mp4/avci.h
new file mode 100644
index 0000000..5b17306
--- /dev/null
+++ b/modules/demux/mp4/avci.h
@@ -0,0 +1,151 @@
+/*****************************************************************************
+ * avci.h : AVC Intra SPS/PPS tables
+ *****************************************************************************
+ * Copyright (C) 2015 VLC authors and VideoLAN
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+#ifndef MP4_AVCI_H
+# define MP4_AVCI_H
+
+/* AVCi Tables derived from ffmpeg ff_generate_AVCi_extradata */
+static const uint8_t AVCi_HIGH_422_1080p_sps[] = {
+    0x7a, 0x10, 0x29, 0xb6, 0xd4, 0x20, 0x22, 0x33,
+    0x19, 0xc6, 0x63, 0x23, 0x21, 0x01, 0x11, 0x98,
+    0xce, 0x33, 0x19, 0x18, 0x21, 0x02, 0x56, 0xb9,
+    0x3d, 0x7d, 0x7e, 0x4f, 0xe3, 0x3f, 0x11, 0xf1,
+    0x9e, 0x08, 0xb8, 0x8c, 0x54, 0x43, 0xc0, 0x78,
+    0x02, 0x27, 0xe2, 0x70, 0x1e, 0x30, 0x10, 0x10,
+    0x14, 0x00, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00,
+    0x03, 0x00, 0xca, 0x10
+};
+
+static const uint8_t AVCi_HIGH_422_1080i_sps[] = {
+    0x7a, 0x10, 0x29, 0xb6, 0xd4, 0x20, 0x22, 0x33,
+    0x19, 0xc6, 0x63, 0x23, 0x21, 0x01, 0x11, 0x98,
+    0xce, 0x33, 0x19, 0x18, 0x21, 0x03, 0x3a, 0x46,
+    0x65, 0x6a, 0x65, 0x24, 0xad, 0xe9, 0x12, 0x32,
+    0x14, 0x1a, 0x26, 0x34, 0xad, 0xa4, 0x41, 0x82,
+    0x23, 0x01, 0x50, 0x2b, 0x1a, 0x24, 0x69, 0x48,
+    0x30, 0x40, 0x2e, 0x11, 0x12, 0x08, 0xc6, 0x8c,
+    0x04, 0x41, 0x28, 0x4c, 0x34, 0xf0, 0x1e, 0x01,
+    0x13, 0xf2, 0xe0, 0x3c, 0x60, 0x20, 0x20, 0x28,
+    0x00, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x03,
+    0x01, 0x94, 0x20
+};
+
+static const uint8_t AVCi_HIGH_422_720p_sps[] = {
+    0x7a, 0x10, 0x29, 0xb6, 0xd4, 0x20, 0x2a, 0x33,
+    0x1d, 0xc7, 0x62, 0xa1, 0x08, 0x40, 0x54, 0x66,
+    0x3b, 0x8e, 0xc5, 0x42, 0x02, 0x10, 0x25, 0x64,
+    0x2c, 0x89, 0xe8, 0x85, 0xe4, 0x21, 0x4b, 0x90,
+    0x83, 0x06, 0x95, 0xd1, 0x06, 0x46, 0x97, 0x20,
+    0xc8, 0xd7, 0x43, 0x08, 0x11, 0xc2, 0x1e, 0x4c,
+    0x91, 0x0f, 0x01, 0x40, 0x16, 0xec, 0x07, 0x8c,
+    0x04, 0x04, 0x05, 0x00, 0x00, 0x03, 0x00, 0x01,
+    0x00, 0x00, 0x03, 0x00, 0x64, 0x84
+};
+
+static const uint8_t AVCi_HIGH_10_1080p_sps[] = {
+    0x6e, 0x10, 0x28, 0xa6, 0xd4, 0x20, 0x32, 0x33,
+    0x0c, 0x71, 0x18, 0x88, 0x62, 0x10, 0x19, 0x19,
+    0x86, 0x38, 0x8c, 0x44, 0x30, 0x21, 0x02, 0x56,
+    0x4e, 0x6f, 0x37, 0xcd, 0xf9, 0xbf, 0x81, 0x6b,
+    0xf3, 0x7c, 0xde, 0x6e, 0x6c, 0xd3, 0x3c, 0x05,
+    0xa0, 0x22, 0x7e, 0x5f, 0xfc, 0x00, 0x0c, 0x00,
+    0x13, 0x8c, 0x04, 0x04, 0x05, 0x00, 0x00, 0x03,
+    0x00, 0x01, 0x00, 0x00, 0x03, 0x00, 0x32, 0x84,
+};
+
+static const uint8_t AVCi_HIGH_10_1080i_sps[] = {
+    0x6e, 0x10, 0x28, 0xa6, 0xd4, 0x20, 0x32, 0x33,
+    0x0c, 0x71, 0x18, 0x88, 0x62, 0x10, 0x19, 0x19,
+    0x86, 0x38, 0x8c, 0x44, 0x30, 0x21, 0x02, 0x56,
+    0x4e, 0x6e, 0x61, 0x87, 0x3e, 0x73, 0x4d, 0x98,
+    0x0c, 0x03, 0x06, 0x9c, 0x0b, 0x73, 0xe6, 0xc0,
+    0xb5, 0x18, 0x63, 0x0d, 0x39, 0xe0, 0x5b, 0x02,
+    0xd4, 0xc6, 0x19, 0x1a, 0x79, 0x8c, 0x32, 0x34,
+    0x24, 0xf0, 0x16, 0x81, 0x13, 0xf7, 0xff, 0x80,
+    0x02, 0x00, 0x01, 0xf1, 0x80, 0x80, 0x80, 0xa0,
+    0x00, 0x00, 0x03, 0x00, 0x20, 0x00, 0x00, 0x06,
+    0x50, 0x80
+};
+
+static const uint8_t AVCi_HIGH_10_720p_sps[] = {
+    0x6e, 0x10, 0x20, 0xa6, 0xd4, 0x20, 0x32, 0x33,
+    0x0c, 0x71, 0x18, 0x88, 0x62, 0x10, 0x19, 0x19,
+    0x86, 0x38, 0x8c, 0x44, 0x30, 0x21, 0x02, 0x56,
+    0x4e, 0x6f, 0x37, 0xcd, 0xf9, 0xbf, 0x81, 0x6b,
+    0xf3, 0x7c, 0xde, 0x6e, 0x6c, 0xd3, 0x3c, 0x0f,
+    0x01, 0x6e, 0xff, 0xc0, 0x00, 0xc0, 0x01, 0x38,
+    0xc0, 0x40, 0x40, 0x50, 0x00, 0x00, 0x03, 0x00,
+    0x10, 0x00, 0x00, 0x06, 0x48, 0x40
+};
+
+static const uint8_t AVCi_HIGH_422_1080x_pps[] = {
+    0xce, 0x33, 0x48, 0xd0
+};
+
+static const uint8_t AVCi_HIGH_422_720p_pps[] = {
+    0xce, 0x31, 0x12, 0x11
+};
+
+static const uint8_t AVCi_HIGH_10_pps[] = {
+    0xee, 0x31, 0x12, 0x11
+};
+
+
+#define AVCI_ENTRY(a,b, A, B) {b, A, B, sizeof(A), sizeof(B), a}
+#define AVCI_ENTRIES 6
+
+static const struct
+{
+    bool b_interlace;
+    const uint8_t *p_sps;
+    const uint8_t *p_pps;
+    uint8_t  i_sps;
+    uint8_t  i_pps;
+    uint16_t i_res;
+} AVCi_lookup_table[AVCI_ENTRIES] = {
+    AVCI_ENTRY(1920, true,  AVCi_HIGH_422_1080i_sps, AVCi_HIGH_422_1080x_pps),
+    AVCI_ENTRY(1920, false, AVCi_HIGH_422_1080p_sps, AVCi_HIGH_422_1080x_pps),
+    AVCI_ENTRY(1280, false, AVCi_HIGH_422_720p_sps,  AVCi_HIGH_422_720p_pps),
+    AVCI_ENTRY(1440, true,  AVCi_HIGH_10_1080i_sps,  AVCi_HIGH_10_pps),
+    AVCI_ENTRY(1440, false, AVCi_HIGH_10_1080p_sps,  AVCi_HIGH_10_pps),
+    AVCI_ENTRY(960,  false, AVCi_HIGH_10_720p_sps,   AVCi_HIGH_10_pps),
+};
+
+static inline bool AVCi_lookup(uint16_t i_res, bool b_i,
+                               const uint8_t **pp_sps, uint8_t *pi_sps,
+                               const uint8_t **pp_pps, uint8_t *pi_pps)
+{
+    for(int i=0; i<AVCI_ENTRIES; i++)
+    {
+        if(AVCi_lookup_table[i].b_interlace == b_i && AVCi_lookup_table[i].i_res == i_res)
+        {
+            *pp_sps = AVCi_lookup_table[i].p_sps;
+            *pi_sps = AVCi_lookup_table[i].i_sps;
+            *pp_pps = AVCi_lookup_table[i].p_pps;
+            *pi_pps = AVCi_lookup_table[i].i_pps;
+            return true;
+        }
+    }
+    return false;
+}
+
+#undef AVCI_ENTRY
+#undef AVCI_ENTRIES
+
+#endif



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