avcodec/dvbsub_parser: Do not discard data

[ffmpeg] / libavcodec / libgsmdec.c

diff --git a/libavcodec/libgsmdec.c b/libavcodec/libgsmdec.c
index 419f36489b38e35e2d0bff4a2d7f5ccea79ce047..89e1de0fed7637cac7d4f6c6a6807c160358d5a4 100644 (file)
--- a/libavcodec/libgsmdec.c
+++ b/libavcodec/libgsmdec.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
  */
 
@@ -27,7 +27,12 @@
 
 // The idiosyncrasies of GSM-in-WAV are explained at http://kbs.cs.tu-berlin.de/~jutta/toast.html
 
+#include "config.h"
+#if HAVE_GSM_H
 #include <gsm.h>
+#else
+#include <gsm/gsm.h>
+#endif
 
 #include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
@@ -45,7 +50,8 @@ static av_cold int libgsm_decode_init(AVCodecContext *avctx) {
 
     avctx->channels       = 1;
     avctx->channel_layout = AV_CH_LAYOUT_MONO;
-    avctx->sample_rate    = 8000;
+    if (!avctx->sample_rate)
+        avctx->sample_rate = 8000;
     avctx->sample_fmt     = AV_SAMPLE_FMT_S16;
 
     s->state = gsm_create();
@@ -91,10 +97,8 @@ static int libgsm_decode_frame(AVCodecContext *avctx, void *data,
 
     /* get output buffer */
     frame->nb_samples = avctx->frame_size;
-    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
         return ret;
-    }
     samples = (int16_t *)frame->data[0];
 
     for (i = 0; i < avctx->frame_size / GSM_FRAME_SIZE; i++) {
@@ -119,6 +123,7 @@ static void libgsm_flush(AVCodecContext *avctx) {
         gsm_option(s->state, GSM_OPT_WAV49, &one);
 }
 
+#if CONFIG_LIBGSM_DECODER
 AVCodec ff_libgsm_decoder = {
     .name           = "libgsm",
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM"),
@@ -132,7 +137,8 @@ AVCodec ff_libgsm_decoder = {
     .capabilities   = AV_CODEC_CAP_DR1,
     .wrapper_name   = "libgsm",
 };
-
+#endif
+#if CONFIG_LIBGSM_MS_DECODER
 AVCodec ff_libgsm_ms_decoder = {
     .name           = "libgsm_ms",
     .long_name      = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
@@ -146,3 +152,4 @@ AVCodec ff_libgsm_ms_decoder = {
     .capabilities   = AV_CODEC_CAP_DR1,
     .wrapper_name   = "libgsm",
 };
+#endif