From 0eea212943544d40f99b05571aa7159d78667154 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Tue, 6 Sep 2011 12:17:45 -0400 Subject: Add avcodec_decode_audio4(). Deprecate avcodec_decode_audio3(). Implement audio support in avcodec_default_get_buffer(). Implement the new audio decoder API in all audio decoders. --- libavcodec/g722dec.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) (limited to 'libavcodec/g722dec.c') diff --git a/libavcodec/g722dec.c b/libavcodec/g722dec.c index 2be47159a4..652a1aa4ae 100644 --- a/libavcodec/g722dec.c +++ b/libavcodec/g722dec.c @@ -66,6 +66,9 @@ static av_cold int g722_decode_init(AVCodecContext * avctx) c->band[1].scale_factor = 2; c->prev_samples_pos = 22; + avcodec_get_frame_defaults(&c->frame); + avctx->coded_frame = &c->frame; + return 0; } @@ -81,20 +84,22 @@ static const int16_t *low_inv_quants[3] = { ff_g722_low_inv_quant6, ff_g722_low_inv_quant4 }; static int g722_decode_frame(AVCodecContext *avctx, void *data, - int *data_size, AVPacket *avpkt) + int *got_frame_ptr, AVPacket *avpkt) { G722Context *c = avctx->priv_data; - int16_t *out_buf = data; - int j, out_len; + int16_t *out_buf; + int j, ret; const int skip = 8 - avctx->bits_per_coded_sample; const int16_t *quantizer_table = low_inv_quants[skip]; GetBitContext gb; - out_len = avpkt->size * 2 * av_get_bytes_per_sample(avctx->sample_fmt); - if (*data_size < out_len) { - av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n"); - return AVERROR(EINVAL); + /* get output buffer */ + c->frame.nb_samples = avpkt->size * 2; + if ((ret = avctx->get_buffer(avctx, &c->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; } + out_buf = (int16_t *)c->frame.data[0]; init_get_bits(&gb, avpkt->data, avpkt->size * 8); @@ -128,7 +133,10 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data, c->prev_samples_pos = 22; } } - *data_size = out_len; + + *got_frame_ptr = 1; + *(AVFrame *)data = c->frame; + return avpkt->size; } @@ -139,5 +147,6 @@ AVCodec ff_adpcm_g722_decoder = { .priv_data_size = sizeof(G722Context), .init = g722_decode_init, .decode = g722_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"), }; -- cgit v1.2.3