vpx_image: remove unused image formats

libvpx only emits:
VPX_IMG_FMT_{I420,I422,I440,I444,I42016,I42216,I44016,I44416}
and additionally supports YV12 as input.

interleaved yuv, rgb and alpha formats are unused.

Change-Id: Ie2ab1099e950c6e696f475d46882f5c47a174042

5 files changed, 6 insertions, 70 deletions

diff --git a/vp8/vp8_cx_iface.c b/vp8/vp8_cx_iface.c
index 2bdc2b34a..e1c31341b 100644
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -258,9 +258,7 @@ static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
                                     const vpx_image_t *img) {
   switch (img->fmt) {
     case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_I420:
-    case VPX_IMG_FMT_VPXI420:
-    case VPX_IMG_FMT_VPXYV12: break;
+    case VPX_IMG_FMT_I420: break;
     default:
       ERROR("Invalid image format. Only YV12 and I420 images are supported");
   }
diff --git a/vpx/src/vpx_image.c b/vpx/src/vpx_image.c
index af7c529a7..a7c6ec0ce 100644
--- a/vpx/src/vpx_image.c
+++ b/vpx/src/vpx_image.c
@@ -38,23 +38,8 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img, vpx_img_fmt_t fmt,
 
   /* Get sample size for this format */
   switch (fmt) {
-    case VPX_IMG_FMT_RGB32:
-    case VPX_IMG_FMT_RGB32_LE:
-    case VPX_IMG_FMT_ARGB:
-    case VPX_IMG_FMT_ARGB_LE: bps = 32; break;
-    case VPX_IMG_FMT_RGB24:
-    case VPX_IMG_FMT_BGR24: bps = 24; break;
-    case VPX_IMG_FMT_RGB565:
-    case VPX_IMG_FMT_RGB565_LE:
-    case VPX_IMG_FMT_RGB555:
-    case VPX_IMG_FMT_RGB555_LE:
-    case VPX_IMG_FMT_UYVY:
-    case VPX_IMG_FMT_YUY2:
-    case VPX_IMG_FMT_YVYU: bps = 16; break;
     case VPX_IMG_FMT_I420:
-    case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_VPXI420:
-    case VPX_IMG_FMT_VPXYV12: bps = 12; break;
+    case VPX_IMG_FMT_YV12: bps = 12; break;
     case VPX_IMG_FMT_I422:
     case VPX_IMG_FMT_I440: bps = 16; break;
     case VPX_IMG_FMT_I444: bps = 24; break;
@@ -69,8 +54,6 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img, vpx_img_fmt_t fmt,
   switch (fmt) {
     case VPX_IMG_FMT_I420:
     case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_VPXI420:
-    case VPX_IMG_FMT_VPXYV12:
     case VPX_IMG_FMT_I422:
     case VPX_IMG_FMT_I42016:
     case VPX_IMG_FMT_I42216: xcs = 1; break;
@@ -81,8 +64,6 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img, vpx_img_fmt_t fmt,
     case VPX_IMG_FMT_I420:
     case VPX_IMG_FMT_I440:
     case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_VPXI420:
-    case VPX_IMG_FMT_VPXYV12:
     case VPX_IMG_FMT_I42016:
     case VPX_IMG_FMT_I44016: ycs = 1; break;
     default: ycs = 0; break;
diff --git a/vpx/vpx_image.h b/vpx/vpx_image.h
index d6d3166d2..0c9cac736 100644
--- a/vpx/vpx_image.h
+++ b/vpx/vpx_image.h
@@ -27,7 +27,7 @@ extern "C" {
  * types, removing or reassigning enums, adding/removing/rearranging
  * fields to structures
  */
-#define VPX_IMAGE_ABI_VERSION (4) /**<\hideinitializer*/
+#define VPX_IMAGE_ABI_VERSION (5) /**<\hideinitializer*/
 
 #define VPX_IMG_FMT_PLANAR 0x100       /**< Image is a planar format. */
 #define VPX_IMG_FMT_UV_FLIP 0x200      /**< V plane precedes U in memory. */
@@ -37,29 +37,12 @@ extern "C" {
 /*!\brief List of supported image formats */
 typedef enum vpx_img_fmt {
   VPX_IMG_FMT_NONE,
-  VPX_IMG_FMT_RGB24,     /**< 24 bit per pixel packed RGB */
-  VPX_IMG_FMT_RGB32,     /**< 32 bit per pixel packed 0RGB */
-  VPX_IMG_FMT_RGB565,    /**< 16 bit per pixel, 565 */
-  VPX_IMG_FMT_RGB555,    /**< 16 bit per pixel, 555 */
-  VPX_IMG_FMT_UYVY,      /**< UYVY packed YUV */
-  VPX_IMG_FMT_YUY2,      /**< YUYV packed YUV */
-  VPX_IMG_FMT_YVYU,      /**< YVYU packed YUV */
-  VPX_IMG_FMT_BGR24,     /**< 24 bit per pixel packed BGR */
-  VPX_IMG_FMT_RGB32_LE,  /**< 32 bit packed BGR0 */
-  VPX_IMG_FMT_ARGB,      /**< 32 bit packed ARGB, alpha=255 */
-  VPX_IMG_FMT_ARGB_LE,   /**< 32 bit packed BGRA, alpha=255 */
-  VPX_IMG_FMT_RGB565_LE, /**< 16 bit per pixel, gggbbbbb rrrrrggg */
-  VPX_IMG_FMT_RGB555_LE, /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
   VPX_IMG_FMT_YV12 =
       VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
   VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2,
-  VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP |
-                        3, /** < planar 4:2:0 format with vpx color space */
-  VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4,
   VPX_IMG_FMT_I422 = VPX_IMG_FMT_PLANAR | 5,
   VPX_IMG_FMT_I444 = VPX_IMG_FMT_PLANAR | 6,
   VPX_IMG_FMT_I440 = VPX_IMG_FMT_PLANAR | 7,
-  VPX_IMG_FMT_444A = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_HAS_ALPHA | 6,
   VPX_IMG_FMT_I42016 = VPX_IMG_FMT_I420 | VPX_IMG_FMT_HIGHBITDEPTH,
   VPX_IMG_FMT_I42216 = VPX_IMG_FMT_I422 | VPX_IMG_FMT_HIGHBITDEPTH,
   VPX_IMG_FMT_I44416 = VPX_IMG_FMT_I444 | VPX_IMG_FMT_HIGHBITDEPTH,
diff --git a/y4menc.c b/y4menc.c
index 05018dbc4..02b729e5b 100644
--- a/y4menc.c
+++ b/y4menc.c
@@ -17,11 +17,9 @@ int y4m_write_file_header(char *buf, size_t len, int width, int height,
   const char *color;
   switch (bit_depth) {
     case 8:
-      color = fmt == VPX_IMG_FMT_444A
-                  ? "C444alpha\n"
-                  : fmt == VPX_IMG_FMT_I444
-                        ? "C444\n"
-                        : fmt == VPX_IMG_FMT_I422 ? "C422\n" : "C420jpeg\n";
+      color = fmt == VPX_IMG_FMT_I444
+                  ? "C444\n"
+                  : fmt == VPX_IMG_FMT_I422 ? "C422\n" : "C420jpeg\n";
       break;
     case 9:
       color = fmt == VPX_IMG_FMT_I44416
diff --git a/y4minput.c b/y4minput.c
index 56d559827..007bd9971 100644
--- a/y4minput.c
+++ b/y4minput.c
@@ -1031,30 +1031,6 @@ int y4m_input_open(y4m_input *_y4m, FILE *_fin, char *_skip, int _nskip,
       fprintf(stderr, "Unsupported conversion from 444p12 to 420jpeg\n");
       return -1;
     }
-  } else if (strcmp(_y4m->chroma_type, "444alpha") == 0) {
-    _y4m->src_c_dec_h = 1;
-    _y4m->src_c_dec_v = 1;
-    if (only_420) {
-      _y4m->dst_c_dec_h = 2;
-      _y4m->dst_c_dec_v = 2;
-      _y4m->dst_buf_read_sz = _y4m->pic_w * _y4m->pic_h;
-      /*Chroma filter required: read into the aux buf first.
-        We need to make two filter passes, so we need some extra space in the
-         aux buffer.
-        The extra plane also gets read into the aux buf.
-        It will be discarded.*/
-      _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 3 * _y4m->pic_w * _y4m->pic_h;
-      _y4m->convert = y4m_convert_444_420jpeg;
-    } else {
-      _y4m->vpx_fmt = VPX_IMG_FMT_444A;
-      _y4m->bps = 32;
-      _y4m->dst_c_dec_h = _y4m->src_c_dec_h;
-      _y4m->dst_c_dec_v = _y4m->src_c_dec_v;
-      _y4m->dst_buf_read_sz = 4 * _y4m->pic_w * _y4m->pic_h;
-      /*Natively supported: no conversion required.*/
-      _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
-      _y4m->convert = y4m_convert_null;
-    }
   } else if (strcmp(_y4m->chroma_type, "mono") == 0) {
     _y4m->src_c_dec_h = _y4m->src_c_dec_v = 0;
     _y4m->dst_c_dec_h = _y4m->dst_c_dec_v = 2;