* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "avcodec.h"
#include <speex/speex.h>
#include <speex/speex_header.h>
#include <speex/speex_stereo.h>
#include <speex/speex_callbacks.h>
+#include "avcodec.h"
typedef struct {
+ AVFrame frame;
SpeexBits bits;
SpeexStereoState stereo;
void *dec_state;
if (s->header) {
avctx->sample_rate = s->header->rate;
avctx->channels = s->header->nb_channels;
- avctx->frame_size = s->frame_size = s->header->frame_size;
- if (s->header->frames_per_packet)
- avctx->frame_size *= s->header->frames_per_packet;
+ s->frame_size = s->header->frame_size;
mode = speex_lib_get_mode(s->header->mode);
if (!mode) {
av_log(avctx, AV_LOG_ERROR, "Unknown Speex mode %d", s->header->mode);
- return -1;
+ return AVERROR_INVALIDDATA;
}
} else
av_log(avctx, AV_LOG_INFO, "Missing Speex header, assuming defaults.\n");
if (avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "Only stereo and mono are supported.\n");
- return -1;
+ return AVERROR(EINVAL);
}
speex_bits_init(&s->bits);
s->stereo = (SpeexStereoState)SPEEX_STEREO_STATE_INIT;
speex_decoder_ctl(s->dec_state, SPEEX_SET_HANDLER, &callback);
}
+
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
return 0;
}
-static int libspeex_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- AVPacket *avpkt)
+static int libspeex_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
{
uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
LibSpeexContext *s = avctx->priv_data;
- int16_t *output = data;
- int out_size, ret, consumed = 0;
-
- /* check output buffer size */
- out_size = s->frame_size * avctx->channels *
- 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);
+ int16_t *output;
+ int ret, consumed = 0;
+
+ /* get output buffer */
+ s->frame.nb_samples = s->frame_size;
+ if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
+ output = (int16_t *)s->frame.data[0];
/* if there is not enough data left for the smallest possible frame,
reset the libspeex buffer using the current packet, otherwise ignore
if (speex_bits_remaining(&s->bits) < 43) {
/* check for flush packet */
if (!buf || !buf_size) {
- *data_size = 0;
+ *got_frame_ptr = 0;
return buf_size;
}
/* set new buffer */
}
/* decode a single frame */
- ret = speex_decode_int(s->dec_state, &s->bits, output);
- if (ret <= -2) {
- av_log(avctx, AV_LOG_ERROR, "Error decoding Speex frame.\n");
- return -1;
- }
- if (avctx->channels == 2)
- speex_decode_stereo_int(output, s->frame_size, &s->stereo);
+ ret = speex_decode_int(s->dec_state, &s->bits, output);
+ if (ret <= -2) {
+ av_log(avctx, AV_LOG_ERROR, "Error decoding Speex frame.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (avctx->channels == 2)
+ speex_decode_stereo_int(output, s->frame_size, &s->stereo);
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
- *data_size = out_size;
return consumed;
}
.close = libspeex_decode_close,
.decode = libspeex_decode_frame,
.flush = libspeex_decode_flush,
- .capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DELAY,
- .long_name = NULL_IF_CONFIG_SMALL("libspeex Speex"),
+ .capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DELAY | CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("libspeex Speex"),
};