1 files changed, 175 insertions, 0 deletions
diff --git a/mail/thunderbird/files/patch-bug889699 b/mail/thunderbird/files/patch-bug889699
new file mode 100644
index 000000000000..13cc64c9a171
--- /dev/null
+++ b/mail/thunderbird/files/patch-bug889699
@@ -0,0 +1,175 @@
+commit 7eb5827
+Author: Edwin Flores <eflores@mozilla.com>
+Date:   Sat Jul 20 12:03:08 2013 +1200
+
+    Bug 889699 - Make gstreamer backend return more accurate results for canPlayType() r=alessandro.d
+---
+ content/media/gstreamer/GStreamerFormatHelper.cpp | 90 +++++++++++++++++------
+ 1 file changed, 66 insertions(+), 24 deletions(-)
+
+diff --git content/media/gstreamer/GStreamerFormatHelper.cpp content/media/gstreamer/GStreamerFormatHelper.cpp
+index f05ff8f..39f1fdf 100644
+--- mozilla/content/media/gstreamer/GStreamerFormatHelper.cpp
++++ mozilla/content/media/gstreamer/GStreamerFormatHelper.cpp
+@@ -6,7 +6,7 @@
+ 
+ #include "GStreamerFormatHelper.h"
+ #include "nsCharSeparatedTokenizer.h"
+-#include "nsXPCOMStrings.h"
++#include "nsString.h"
+ #include "GStreamerLoader.h"
+ 
+ #define ENTRY_FORMAT(entry) entry[0]
+@@ -36,7 +36,7 @@ void GStreamerFormatHelper::Shutdown() {
+   }
+ }
+ 
+-char const *const GStreamerFormatHelper::mContainers[6][2] = {
++static char const *const sContainers[6][2] = {
+   {"video/mp4", "video/quicktime"},
+   {"video/quicktime", "video/quicktime"},
+   {"audio/mp4", "audio/x-m4a"},
+@@ -45,7 +45,7 @@ char const *const GStreamerFormatHelper::mContainers[6][2] = {
+   {"audio/mp3", "audio/mpeg, mpegversion=(int)1"},
+ };
+ 
+-char const *const GStreamerFormatHelper::mCodecs[9][2] = {
++static char const *const sCodecs[9][2] = {
+   {"avc1.42E01E", "video/x-h264"},
+   {"avc1.42001E", "video/x-h264"},
+   {"avc1.58A01E", "video/x-h264"},
+@@ -57,6 +57,15 @@ char const *const GStreamerFormatHelper::mCodecs[9][2] = {
+   {"mp3", "audio/mpeg, mpegversion=(int)1"},
+ };
+ 
++static char const * const sDefaultCodecCaps[][2] = {
++  {"video/mp4", "video/x-h264"},
++  {"video/quicktime", "video/x-h264"},
++  {"audio/mp4", "audio/mpeg, mpegversion=(int)4"},
++  {"audio/x-m4a", "audio/mpeg, mpegversion=(int)4"},
++  {"audio/mp3", "audio/mpeg, layer=(int)3"},
++  {"audio/mpeg", "audio/mpeg, layer=(int)3"}
++};
++
+ GStreamerFormatHelper::GStreamerFormatHelper()
+   : mFactories(nullptr),
+     mCookie(static_cast<uint32_t>(-1))
+@@ -66,15 +75,15 @@ GStreamerFormatHelper::GStreamerFormatHelper()
+   }
+ 
+   mSupportedContainerCaps = gst_caps_new_empty();
+-  for (unsigned int i = 0; i < G_N_ELEMENTS(mContainers); i++) {
+-    const char* capsString = mContainers[i][1];
++  for (unsigned int i = 0; i < G_N_ELEMENTS(sContainers); i++) {
++    const char* capsString = sContainers[i][1];
+     GstCaps* caps = gst_caps_from_string(capsString);
+     gst_caps_append(mSupportedContainerCaps, caps);
+   }
+ 
+   mSupportedCodecCaps = gst_caps_new_empty();
+-  for (unsigned int i = 0; i < G_N_ELEMENTS(mCodecs); i++) {
+-    const char* capsString = mCodecs[i][1];
++  for (unsigned int i = 0; i < G_N_ELEMENTS(sCodecs); i++) {
++    const char* capsString = sCodecs[i][1];
+     GstCaps* caps = gst_caps_from_string(capsString);
+     gst_caps_append(mSupportedCodecCaps, caps);
+   }
+@@ -92,6 +101,41 @@ GStreamerFormatHelper::~GStreamerFormatHelper() {
+     g_list_free(mFactories);
+ }
+ 
++static GstCaps *
++GetContainerCapsFromMIMEType(const char *aType) {
++  /* convert aMIMEType to gst container caps */
++  const char* capsString = nullptr;
++  for (uint32_t i = 0; i < G_N_ELEMENTS(sContainers); i++) {
++    if (!strcmp(ENTRY_FORMAT(sContainers[i]), aType)) {
++      capsString = ENTRY_CAPS(sContainers[i]);
++      break;
++    }
++  }
++
++  if (!capsString) {
++    /* we couldn't find any matching caps */
++    return nullptr;
++  }
++
++  return gst_caps_from_string(capsString);
++}
++
++static GstCaps *
++GetDefaultCapsFromMIMEType(const char *aType) {
++  GstCaps *caps = GetContainerCapsFromMIMEType(aType);
++
++  for (uint32_t i = 0; i < G_N_ELEMENTS(sDefaultCodecCaps); i++) {
++    if (!strcmp(sDefaultCodecCaps[i][0], aType)) {
++      GstCaps *tmp = gst_caps_from_string(sDefaultCodecCaps[i][1]);
++
++      gst_caps_append(caps, tmp);
++      return caps;
++    }
++  }
++
++  return nullptr;
++}
++
+ bool GStreamerFormatHelper::CanHandleMediaType(const nsACString& aMIMEType,
+                                                const nsAString* aCodecs) {
+   if (!sLoadOK) {
+@@ -101,7 +145,15 @@ bool GStreamerFormatHelper::CanHandleMediaType(const nsACString& aMIMEType,
+   const char *type;
+   NS_CStringGetData(aMIMEType, &type, NULL);
+ 
+-  GstCaps* caps = ConvertFormatsToCaps(type, aCodecs);
++  GstCaps *caps;
++  if (aCodecs && !aCodecs->IsEmpty()) {
++    caps = ConvertFormatsToCaps(type, aCodecs);
++  } else {
++    // Get a minimal set of codec caps for this MIME type we should support so
++    // that we don't overreport MIME types we are able to play.
++    caps = GetDefaultCapsFromMIMEType(type);
++  }
++
+   if (!caps) {
+     return false;
+   }
+@@ -118,21 +170,11 @@ GstCaps* GStreamerFormatHelper::ConvertFormatsToCaps(const char* aMIMEType,
+ 
+   unsigned int i;
+ 
+-  /* convert aMIMEType to gst container caps */
+-  const char* capsString = nullptr;
+-  for (i = 0; i < G_N_ELEMENTS(mContainers); i++) {
+-    if (!strcmp(ENTRY_FORMAT(mContainers[i]), aMIMEType)) {
+-      capsString = ENTRY_CAPS(mContainers[i]);
+-      break;
+-    }
+-  }
+-
+-  if (!capsString) {
+-    /* we couldn't find any matching caps */
++  GstCaps *caps = GetContainerCapsFromMIMEType(aMIMEType);
++  if (!caps) {
+     return nullptr;
+   }
+ 
+-  GstCaps* caps = gst_caps_from_string(capsString);
+   /* container only */
+   if (!aCodecs) {
+     return caps;
+@@ -141,11 +183,11 @@ GstCaps* GStreamerFormatHelper::ConvertFormatsToCaps(const char* aMIMEType,
+   nsCharSeparatedTokenizer tokenizer(*aCodecs, ',');
+   while (tokenizer.hasMoreTokens()) {
+     const nsSubstring& codec = tokenizer.nextToken();
+-    capsString = nullptr;
++    const char *capsString = nullptr;
+ 
+-    for (i = 0; i < G_N_ELEMENTS(mCodecs); i++) {
+-      if (codec.EqualsASCII(ENTRY_FORMAT(mCodecs[i]))) {
+-        capsString = ENTRY_CAPS(mCodecs[i]);
++    for (i = 0; i < G_N_ELEMENTS(sCodecs); i++) {
++      if (codec.EqualsASCII(ENTRY_FORMAT(sCodecs[i]))) {
++        capsString = ENTRY_CAPS(sCodecs[i]);
+         break;
+       }
+     }