diff options
Diffstat (limited to 'libavcodec/libgsm.c')
-rw-r--r-- | libavcodec/libgsm.c | 54 |
1 files changed, 31 insertions, 23 deletions
diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c index b4d1c74f8c..f3cfb91f17 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 */ @@ -35,6 +35,15 @@ #include "internal.h" #include "gsm.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", @@ -58,6 +67,8 @@ 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: @@ -74,22 +85,14 @@ 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, @@ -99,10 +102,8 @@ 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: @@ -118,6 +119,7 @@ static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, } +#if CONFIG_LIBGSM_ENCODER AVCodec ff_libgsm_encoder = { .name = "libgsm", .type = AVMEDIA_TYPE_AUDIO, @@ -129,7 +131,8 @@ 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, @@ -141,6 +144,7 @@ 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; @@ -152,7 +156,8 @@ 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(); @@ -229,6 +234,7 @@ 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, @@ -241,7 +247,8 @@ 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, @@ -254,3 +261,4 @@ AVCodec ff_libgsm_ms_decoder = { .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"), }; +#endif |