examples: use die() on dec/enc_init() failure

rather than die_codec(). calling any api functions with an uninitialized
codec context is undefined. this avoids a crash in a call to
vpx_codec_error_detail().

BUG=webm:1688

Change-Id: I4a4feeabc1cafa44c8d2f24587fad79e313dba6d

examples/decode_with_drops.c

@@ -106,7 +106,7 @@ int main(int argc, char **argv) {
   printf("Using %s\n", vpx_codec_iface_name(decoder->codec_interface()));
 
   if (vpx_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0))
-    die_codec(&codec, "Failed to initialize decoder.");
+    die("Failed to initialize decoder.");
 
   while (vpx_video_reader_read_frame(reader)) {
     vpx_codec_iter_t iter = NULL;

examples/postproc.c

@@ -86,9 +86,9 @@ int main(int argc, char **argv) {
   res = vpx_codec_dec_init(&codec, decoder->codec_interface(), NULL,
                            VPX_CODEC_USE_POSTPROC);
   if (res == VPX_CODEC_INCAPABLE)
-    die_codec(&codec, "Postproc not supported by this decoder.");
+    die("Postproc not supported by this decoder.");
 
-  if (res) die_codec(&codec, "Failed to initialize decoder.");
+  if (res) die("Failed to initialize decoder.");
 
   while (vpx_video_reader_read_frame(reader)) {
     vpx_codec_iter_t iter = NULL;

examples/set_maps.c

@@ -209,7 +209,7 @@ int main(int argc, char **argv) {
     die("Failed to open %s for reading.", argv[4]);
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Encode frames.
   while (vpx_img_read(&raw, infile)) {

examples/simple_decoder.c

@@ -118,7 +118,7 @@ int main(int argc, char **argv) {
   printf("Using %s\n", vpx_codec_iface_name(decoder->codec_interface()));
 
   if (vpx_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0))
-    die_codec(&codec, "Failed to initialize decoder.");
+    die("Failed to initialize decoder.");
 
   while (vpx_video_reader_read_frame(reader)) {
     vpx_codec_iter_t iter = NULL;

examples/simple_encoder.c

@@ -218,7 +218,7 @@ int main(int argc, char **argv) {
     die("Failed to open %s for reading.", infile_arg);
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Encode frames.
   while (vpx_img_read(&raw, infile)) {

examples/twopass_encoder.c

@@ -128,7 +128,7 @@ static vpx_fixed_buf_t pass0(vpx_image_t *raw, FILE *infile,
   vpx_fixed_buf_t stats = { NULL, 0 };
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Calculate frame statistics.
   while (vpx_img_read(raw, infile)) {
@@ -164,7 +164,7 @@ static void pass1(vpx_image_t *raw, FILE *infile, const char *outfile_name,
   if (!writer) die("Failed to open %s for writing", outfile_name);
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Encode frames.
   while (vpx_img_read(raw, infile)) {

examples/vp8cx_set_ref.c

@@ -155,7 +155,7 @@ int main(int argc, char **argv) {
     die("Failed to open %s for reading.", argv[3]);
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Encode frames.
   while (vpx_img_read(&raw, infile)) {

examples/vp9_lossless_encoder.c

@@ -110,7 +110,7 @@ int main(int argc, char **argv) {
     die("Failed to open %s for reading.", argv[3]);
 
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   if (vpx_codec_control_(&codec, VP9E_SET_LOSSLESS, 1))
     die_codec(&codec, "Failed to use lossless mode");

examples/vp9cx_set_ref.c

@@ -251,7 +251,7 @@ int main(int argc, char **argv) {
     die("Failed to open %s for reading.", infile_arg);
 
   if (vpx_codec_enc_init(&ecodec, encoder->codec_interface(), &cfg, 0))
-    die_codec(&ecodec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   // Disable alt_ref.
   if (vpx_codec_control(&ecodec, VP8E_SET_ENABLEAUTOALTREF, 0))

examples/vpx_temporal_svc_encoder.c

@@ -815,7 +815,7 @@ int main(int argc, char **argv) {
 #else
   if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
 #endif  // CONFIG_VP9_HIGHBITDEPTH
-    die_codec(&codec, "Failed to initialize encoder");
+    die("Failed to initialize encoder");
 
   if (strncmp(encoder->name, "vp8", 3) == 0) {
     vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed);