test: Add basic codec test for ffmpeg.

This add a basic sanity check that validates
the features we use from ffmpeg are actually
available

Differential Revision: https://developer.blender.org/D5999

Reviewed By: sybren

tests/gtests/CMakeLists.txt

@@ -16,6 +16,9 @@ if(WITH_GTESTS)
   add_subdirectory(blenloader)
   add_subdirectory(guardedalloc)
   add_subdirectory(bmesh)
+  if(WITH_CODEC_FFMPEG)
+    add_subdirectory(ffmpeg)
+  endif()
   if(WITH_ALEMBIC)
     add_subdirectory(alembic)
   endif()

tests/gtests/ffmpeg/CMakeLists.txt

@@ -0,0 +1,37 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU 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.
+#
+# The Original Code is Copyright (C) 2014, Blender Foundation
+# All rights reserved.
+# ***** END GPL LICENSE BLOCK *****
+
+set(INC
+  .
+  ..
+  ${FFMPEG_INCLUDE_DIRS}
+)
+
+set(LIB
+  
+)
+
+include_directories(${INC})
+
+setup_libdirs()
+
+BLENDER_SRC_GTEST(ffmpeg "ffmpeg_codecs.cc" "${LIB}")
+
+setup_liblinks(ffmpeg_test)

tests/gtests/ffmpeg/ffmpeg_codecs.cc

@@ -0,0 +1,147 @@
+#include "testing/testing.h"
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+#include <libavutil/log.h>
+}
+
+bool test_vcodec(AVCodec *codec, AVPixelFormat pixelformat)
+{
+  av_log_set_level(AV_LOG_QUIET);
+  bool result = false;
+  if (codec) {
+    AVCodecContext *ctx = avcodec_alloc_context3(codec);
+    if (ctx) {
+      ctx->time_base.num = 1;
+      ctx->time_base.den = 25;
+      ctx->pix_fmt = pixelformat;
+      ctx->width = 720;
+      ctx->height = 576;
+      int open = avcodec_open2(ctx, codec, NULL);
+      if (open >= 0) {
+        avcodec_free_context(&ctx);
+        result = true;
+      }
+    }
+  }
+  return result;
+}
+bool test_acodec(AVCodec *codec, AVSampleFormat fmt)
+{
+  av_log_set_level(AV_LOG_QUIET);
+  bool result = false;
+  if (codec) {
+    AVCodecContext *ctx = avcodec_alloc_context3(codec);
+    if (ctx) {
+      ctx->sample_fmt = fmt;
+      ctx->sample_rate = 48000;
+      ctx->channel_layout = AV_CH_LAYOUT_MONO;
+      ctx->bit_rate = 128000;
+      int open = avcodec_open2(ctx, codec, NULL);
+      if (open >= 0) {
+        avcodec_free_context(&ctx);
+        result = true;
+      }
+    }
+  }
+  return result;
+}
+
+bool test_codec_video_by_codecid(AVCodecID codec_id, AVPixelFormat pixelformat)
+{
+  bool result = false;
+  AVCodec *codec = avcodec_find_encoder(codec_id);
+  if (codec)
+    result = test_vcodec(codec, pixelformat);
+  return result;
+}
+
+bool test_codec_video_by_name(const char *codecname, AVPixelFormat pixelformat)
+{
+  bool result = false;
+  AVCodec *codec = avcodec_find_encoder_by_name(codecname);
+  if (codec)
+    result = test_vcodec(codec, pixelformat);
+  return result;
+}
+
+bool test_codec_audio_by_codecid(AVCodecID codec_id, AVSampleFormat fmt)
+{
+  bool result = false;
+  AVCodec *codec = avcodec_find_encoder(codec_id);
+  if (codec)
+    result = test_acodec(codec, fmt);
+  return result;
+}
+
+bool test_codec_audio_by_name(const char *codecname, AVSampleFormat fmt)
+{
+  bool result = false;
+  AVCodec *codec = avcodec_find_encoder_by_name(codecname);
+  if (codec)
+    result = test_acodec(codec, fmt);
+  return result;
+}
+
+#define str(s) #s
+#define FFMPEG_TEST_VCODEC_ID(codec, fmt) \
+  TEST(CheckCodec, codec##_##fmt) \
+  { \
+    EXPECT_TRUE(test_codec_video_by_codecid(codec, fmt)); \
+  }
+
+#define FFMPEG_TEST_VCODEC_NAME(codec, fmt) \
+  TEST(CheckCodec, codec##_##fmt) \
+  { \
+    EXPECT_TRUE(test_codec_video_by_name(str(codec), fmt)); \
+  }
+
+#define FFMPEG_TEST_ACODEC_ID(codec, fmt) \
+  TEST(CheckCodec, codec##_##fmt) \
+  { \
+    EXPECT_TRUE(test_codec_audio_by_codecid(codec, fmt)); \
+  }
+
+#define FFMPEG_TEST_ACODEC_NAME(codec, fmt) \
+  TEST(CheckCodec, codec) \
+  { \
+    EXPECT_TRUE(test_codec_audio_by_name(str(codec), fmt)); \
+  }
+
+/* generic codec ID's used in blender */
+
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_HUFFYUV, AV_PIX_FMT_BGRA)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_HUFFYUV, AV_PIX_FMT_RGB32)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_FFV1, AV_PIX_FMT_RGB32)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_QTRLE, AV_PIX_FMT_ARGB)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_VP9, AV_PIX_FMT_YUVA420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_PNG, AV_PIX_FMT_RGBA)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_H264, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_MPEG4, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_THEORA, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_DVVIDEO, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_MPEG1VIDEO, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_MPEG2VIDEO, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_ID(AV_CODEC_ID_FLV1, AV_PIX_FMT_YUV420P)
+
+/* Audio codecs */
+
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_AAC, AV_SAMPLE_FMT_FLTP)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_AC3, AV_SAMPLE_FMT_FLTP)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_FLAC, AV_SAMPLE_FMT_S16)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_MP2, AV_SAMPLE_FMT_S16)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_MP3, AV_SAMPLE_FMT_FLTP)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_OPUS, AV_SAMPLE_FMT_FLT)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_PCM_S16LE, AV_SAMPLE_FMT_S16)
+FFMPEG_TEST_ACODEC_ID(AV_CODEC_ID_VORBIS, AV_SAMPLE_FMT_FLTP)
+
+/* Libraries we count on ffmpeg being linked against */
+
+FFMPEG_TEST_VCODEC_NAME(libtheora, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_NAME(libx264, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_NAME(libvpx, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_NAME(libopenjpeg, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_VCODEC_NAME(libxvid, AV_PIX_FMT_YUV420P)
+FFMPEG_TEST_ACODEC_NAME(libvorbis, AV_SAMPLE_FMT_FLTP)
+FFMPEG_TEST_ACODEC_NAME(libopus, AV_SAMPLE_FMT_FLT)
+FFMPEG_TEST_ACODEC_NAME(libmp3lame, AV_SAMPLE_FMT_FLTP)