Remove pointless #undefs of previously forbidden functions.

[ffmpeg] / libavcodec / libfaac.c

diff --git a/libavcodec/libfaac.c b/libavcodec/libfaac.c
index 6a74465e9d73af326479eb0e06dbb7544e615672..745fee26743264642b1b46e8ea5d30fd400e3850 100644 (file)
--- a/libavcodec/libfaac.c
+++ b/libavcodec/libfaac.c
@@ -26,6 +26,8 @@
 
 #include <faac.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
 #include "avcodec.h"
 #include "audio_frame_queue.h"
 #include "internal.h"
@@ -56,6 +58,13 @@ static av_cold int Faac_encode_close(AVCodecContext *avctx)
     return 0;
 }
 
+static const int channel_maps[][6] = {
+    { 2, 0, 1 },          //< C L R
+    { 2, 0, 1, 3 },       //< C L R Cs
+    { 2, 0, 1, 3, 4 },    //< C L R Ls Rs
+    { 2, 0, 1, 4, 5, 3 }, //< C L R Ls Rs LFE
+};
+
 static av_cold int Faac_encode_init(AVCodecContext *avctx)
 {
     FaacAudioContext *s = avctx->priv_data;
@@ -118,6 +127,9 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
     }
     faac_cfg->outputFormat = 1;
     faac_cfg->inputFormat = FAAC_INPUT_16BIT;
+    if (avctx->channels > 2)
+        memcpy(faac_cfg->channel_map, channel_maps[avctx->channels-3],
+               avctx->channels * sizeof(int));
 
     avctx->frame_size = samples_input / avctx->channels;
 
@@ -147,9 +159,7 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
             memcpy(avctx->extradata, buffer, avctx->extradata_size);
             faac_cfg->outputFormat = 0;
         }
-#undef free
         free(buffer);
-#define free please_use_av_free
     }
 
     if (!faacEncSetConfiguration(s->faac_handle, faac_cfg)) {
@@ -214,16 +224,28 @@ static const AVProfile profiles[] = {
     { FF_PROFILE_UNKNOWN },
 };
 
+static const uint64_t faac_channel_layouts[] = {
+    AV_CH_LAYOUT_MONO,
+    AV_CH_LAYOUT_STEREO,
+    AV_CH_LAYOUT_SURROUND,
+    AV_CH_LAYOUT_4POINT0,
+    AV_CH_LAYOUT_5POINT0_BACK,
+    AV_CH_LAYOUT_5POINT1_BACK,
+    0
+};
+
 AVCodec ff_libfaac_encoder = {
     .name           = "libfaac",
     .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = CODEC_ID_AAC,
+    .id             = AV_CODEC_ID_AAC,
     .priv_data_size = sizeof(FaacAudioContext),
     .init           = Faac_encode_init,
     .encode2        = Faac_encode_frame,
     .close          = Faac_encode_close,
-    .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
-    .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("libfaac AAC (Advanced Audio Codec)"),
-    .profiles = NULL_IF_CONFIG_SMALL(profiles),
+    .capabilities   = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
+    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
+                                                     AV_SAMPLE_FMT_NONE },
+    .long_name      = NULL_IF_CONFIG_SMALL("libfaac AAC (Advanced Audio Coding)"),
+    .profiles       = NULL_IF_CONFIG_SMALL(profiles),
+    .channel_layouts = faac_channel_layouts,
 };