1 files changed, 29 insertions, 22 deletions

diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index e6d435b..97f8abe 100644
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -3,20 +3,20 @@
  * Copyright (c) 2005 Alban Bedel <albeu@free.fr>
  * Copyright (c) 2006, 2007 Michel Bardiaux <mbardiaux@mediaxim.be>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -34,6 +34,15 @@
 #include "gsm.h"
 #include "libavutil/common.h"
 
+static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
+#if FF_API_OLD_ENCODE_AUDIO
+    av_freep(&avctx->coded_frame);
+#endif
+    gsm_destroy(avctx->priv_data);
+    avctx->priv_data = NULL;
+    return 0;
+}
+
 static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
     if (avctx->channels > 1) {
         av_log(avctx, AV_LOG_ERROR, "Mono required for GSM, got %d channels\n",
@@ -57,6 +66,8 @@ static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
     }
 
     avctx->priv_data = gsm_create();
+    if (!avctx->priv_data)
+        goto error;
 
     switch(avctx->codec_id) {
     case AV_CODEC_ID_GSM:
@@ -73,22 +84,14 @@ static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
 
 #if FF_API_OLD_ENCODE_AUDIO
     avctx->coded_frame= avcodec_alloc_frame();
-    if (!avctx->coded_frame) {
-        gsm_destroy(avctx->priv_data);
-        return AVERROR(ENOMEM);
-    }
+    if (!avctx->coded_frame)
+        goto error;
 #endif
 
     return 0;
-}
-
-static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
-#if FF_API_OLD_ENCODE_AUDIO
-    av_freep(&avctx->coded_frame);
-#endif
-    gsm_destroy(avctx->priv_data);
-    avctx->priv_data = NULL;
-    return 0;
+error:
+    libgsm_encode_close(avctx);
+    return -1;
 }
 
 static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
@@ -98,10 +101,8 @@ static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     gsm_signal *samples = (gsm_signal *)frame->data[0];
     struct gsm_state *state = avctx->priv_data;
 
-    if ((ret = ff_alloc_packet(avpkt, avctx->block_align))) {
-        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+    if ((ret = ff_alloc_packet2(avctx, avpkt, avctx->block_align)))
         return ret;
-    }
 
     switch(avctx->codec_id) {
     case AV_CODEC_ID_GSM:
@@ -117,6 +118,7 @@ static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
 }
 
 
+#if CONFIG_LIBGSM_ENCODER
 AVCodec ff_libgsm_encoder = {
     .name           = "libgsm",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -128,7 +130,8 @@ AVCodec ff_libgsm_encoder = {
                                                      AV_SAMPLE_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM"),
 };
-
+#endif
+#if CONFIG_LIBGSM_MS_ENCODER
 AVCodec ff_libgsm_ms_encoder = {
     .name           = "libgsm_ms",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -140,6 +143,7 @@ AVCodec ff_libgsm_ms_encoder = {
                                                      AV_SAMPLE_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
 };
+#endif
 
 typedef struct LibGSMDecodeContext {
     AVFrame frame;
@@ -237,6 +241,7 @@ static void libgsm_flush(AVCodecContext *avctx) {
         gsm_option(s->state, GSM_OPT_WAV49, &one);
 }
 
+#if CONFIG_LIBGSM_DECODER
 AVCodec ff_libgsm_decoder = {
     .name           = "libgsm",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -249,7 +254,8 @@ AVCodec ff_libgsm_decoder = {
     .capabilities   = CODEC_CAP_DR1,
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM"),
 };
-
+#endif
+#if CONFIG_LIBGSM_MS_DECODER
 AVCodec ff_libgsm_ms_decoder = {
     .name           = "libgsm_ms",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -262,3 +268,4 @@ AVCodec ff_libgsm_ms_decoder = {
     .capabilities   = CODEC_CAP_DR1,
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
 };
+#endif