From 116e99de153e3bde08b5e2c0848d93d62a5b1048 Mon Sep 17 00:00:00 2001
From: Torsten Jager <t.jager@gmx.de>
Date: Mon, 29 Oct 2012 10:01:04 +0200
Subject: input_test: added full range color test video

---
 src/demuxers/demux_yuv4mpeg2.c | 17 +++++++++++++++++
 src/input/input_test.c         | 15 +++++++++------
 src/video_dec/yuv.c            |  8 +++++++-
 3 files changed, 33 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/demuxers/demux_yuv4mpeg2.c b/src/demuxers/demux_yuv4mpeg2.c
index e8877057c..f06201d74 100644
--- a/src/demuxers/demux_yuv4mpeg2.c
+++ b/src/demuxers/demux_yuv4mpeg2.c
@@ -69,6 +69,7 @@ typedef struct {
   int                  aspect_d;
   int                  progressive;
   int                  top_field_first;
+  int                  color_matrix;
 
   unsigned int         frame_pts_inc;
   unsigned int         frame_size;
@@ -89,6 +90,8 @@ static int open_yuv4mpeg2_file(demux_yuv4mpeg2_t *this) {
     this->aspect_n = this->aspect_d = this->progressive =
     this->top_field_first = this->data_start = 0;
 
+  this->color_matrix = 4; /* undefined, mpeg range */
+
   if (_x_demux_read_header(this->input, header, Y4M_HEADER_BYTES) != Y4M_HEADER_BYTES)
     return 0;
 
@@ -179,6 +182,17 @@ static int open_yuv4mpeg2_file(demux_yuv4mpeg2_t *this) {
           header_ptr = header_endptr;
 
         break;
+      case 'X':
+        /* private extra info */
+        if (!strncasecmp (header_ptr + 1, "XINE_CM=", 8)) {
+          int i = strtol(header_ptr + 9, &header_endptr, 10);
+          if (header_endptr > header_ptr + 9) {
+            this->color_matrix = i;
+            header_ptr = header_endptr;
+            break;
+          }
+        }
+        /* fall through */
       default:
         /* skip whatever this is */
         while ((*header_ptr != ' ') && (header_ptr < header_end))
@@ -257,6 +271,9 @@ static int demux_yuv4mpeg2_send_chunk(demux_plugin_t *this_gen) {
     buf->extra_info->input_time = pts / 90;
     buf->pts = pts;
 
+    buf->decoder_flags |= BUF_FLAG_COLOR_MATRIX;
+    buf->decoder_info[4] = this->color_matrix;
+
     buf->size = MIN(bytes_remaining, buf->max_size);
     bytes_remaining -= buf->size;
 
diff --git a/src/input/input_test.c b/src/input/input_test.c
index d00486145..3d672eae8 100644
--- a/src/input/input_test.c
+++ b/src/input/input_test.c
@@ -58,11 +58,12 @@ static const char * const test_names[] = {
   "test://saturation_levels.y4m",
   "test://uv_square.y4m",
   "test://y_resolution.y4m",
+  "test://rgb_levels_fullrange.y4m",
   NULL
 };
-static const char test_type[]          = {2, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5};
-static const char test_is_yuv[]        = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1};
-static const char test_is_mpeg_range[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1};
+static const char test_type[]          = {2, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 2};
+static const char test_is_yuv[]        = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1};
+static const char test_is_mpeg_range[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0};
 
 #define TEST_FILES ((sizeof (test_names) / sizeof (char *)) - 1)
 
@@ -246,7 +247,7 @@ static int test_make (test_input_plugin_t * this) {
   a = 54 + pitch * height;
   if (yuv) {
     if (height >= 720) hdtv = 1;
-    a += 80 + width * height * 3 / 2;
+    a += 88 + width * height * 3 / 2;
   }
   if (this->buf && (a != this->bufsize)) {
     free (this->buf);
@@ -265,9 +266,11 @@ static int test_make (test_input_plugin_t * this) {
   if (yuv) {
     p += 54 + pitch * height;
     this->y4m_head = p;
+    /* use inofficial extension to announce color matrix here ;-) */
     this->headsize = sprintf (p,
-      "YUV4MPEG2 W%d H%d F25:1 Ip A0:0 C420mpeg2 XYSCSS=420MPEG2\n", width, height);
-    p += 74;
+      "YUV4MPEG2 W%d H%d F25:1 Ip A0:0 C420mpeg2 XYSCSS=420MPEG2 XXINE_CM=%d\n",
+      width, height, (hdtv ? 2 : 10) | !mpeg);
+    p += 82;
     this->y4m_frame = p;
     memcpy (p, "FRAME\n", 6);
     this->framesize = 6 + width * height * 3 / 2;
diff --git a/src/video_dec/yuv.c b/src/video_dec/yuv.c
index db7d01d91..91f8ed2b8 100644
--- a/src/video_dec/yuv.c
+++ b/src/video_dec/yuv.c
@@ -65,6 +65,7 @@ typedef struct yuv_decoder_s {
 
   int               progressive;
   int               top_field_first;
+  int               color_matrix;
 
 } yuv_decoder_t;
 
@@ -108,6 +109,8 @@ static void yuv_decode_data (video_decoder_t *this_gen,
     this->progressive = buf->decoder_info[3];
     this->top_field_first = buf->decoder_info[4];
 
+    this->color_matrix = 4; /* undefined, mpeg range */
+
     free (this->buf);
     this->buf = NULL;
 
@@ -180,6 +183,9 @@ static void yuv_decode_data (video_decoder_t *this_gen,
       src = this->buf;
     }
 
+    if (buf->decoder_flags & BUF_FLAG_COLOR_MATRIX)
+      this->color_matrix = buf->decoder_info[4];
+
     if (buf->decoder_flags & BUF_FLAG_FRAME_END) {
 
       if (buf->type == BUF_VIDEO_YUY2) {
@@ -281,7 +287,7 @@ static void yuv_decode_data (video_decoder_t *this_gen,
 
       }
 
-      VO_SET_FLAGS_CM (this->height >= 720 ? 2 : 10, img->flags);
+      VO_SET_FLAGS_CM (this->color_matrix, img->flags);
 
       img->duration  = this->video_step;
       img->pts       = buf->pts;
-- 
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