* AMR Audio decoder stub
* Copyright (c) 2003 the ffmpeg project
*
- * 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
*/
typedef struct AMRContext {
AVClass *av_class;
+ AVFrame frame;
void *dec_state;
void *enc_state;
int enc_bitrate;
return AVERROR(ENOSYS);
}
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
return 0;
}
AMRContext *s = avctx->priv_data;
Decoder_Interface_exit(s->dec_state);
+
return 0;
}
static int amr_nb_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AMRContext *s = avctx->priv_data;
static const uint8_t block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 };
enum Mode dec_mode;
- int packet_size, out_size;
+ int packet_size, ret;
av_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frame_count=%d!!\n",
buf, buf_size, avctx->frame_number);
- out_size = 160 * av_get_bytes_per_sample(avctx->sample_fmt);
- if (*data_size < out_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
- return AVERROR(EINVAL);
+ /* get output buffer */
+ s->frame.nb_samples = 160;
+ if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
dec_mode = (buf[0] >> 3) & 0x000F;
av_dlog(avctx, "packet_size=%d buf= 0x%X %X %X %X\n",
packet_size, buf[0], buf[1], buf[2], buf[3]);
/* call decoder */
- Decoder_Interface_Decode(s->dec_state, buf, data, 0);
- *data_size = out_size;
+ Decoder_Interface_Decode(s->dec_state, buf, (short *)s->frame.data[0], 0);
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
return packet_size;
}
.init = amr_nb_decode_init,
.close = amr_nb_decode_close,
.decode = amr_nb_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("OpenCORE Adaptive Multi-Rate (AMR) Narrow-Band"),
};
#include <opencore-amrwb/if_rom.h>
typedef struct AMRWBContext {
+ AVFrame frame;
void *state;
} AMRWBContext;
return AVERROR(ENOSYS);
}
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
return 0;
}
static int amr_wb_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AMRWBContext *s = avctx->priv_data;
- int mode;
- int packet_size, out_size;
+ int mode, ret;
+ int packet_size;
static const uint8_t block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
- out_size = 320 * av_get_bytes_per_sample(avctx->sample_fmt);
- if (*data_size < out_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
- return AVERROR(EINVAL);
+ /* get output buffer */
+ s->frame.nb_samples = 320;
+ if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
mode = (buf[0] >> 3) & 0x000F;
return AVERROR_INVALIDDATA;
}
- D_IF_decode(s->state, buf, data, _good_frame);
- *data_size = out_size;
+ D_IF_decode(s->state, buf, (short *)s->frame.data[0], _good_frame);
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
+
return packet_size;
}
.init = amr_wb_decode_init,
.close = amr_wb_decode_close,
.decode = amr_wb_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("OpenCORE Adaptive Multi-Rate (AMR) Wide-Band"),
};