diff options
author | Rodger Combs <rodger.combs@gmail.com> | 2016-04-19 11:50:28 +0300 |
---|---|---|
committer | Rodger Combs <rodger.combs@gmail.com> | 2016-04-26 18:35:09 +0300 |
commit | e1c20485c1d47ae54d94f4e7f86a96ec85467dd1 (patch) | |
tree | 663654e3eab1ed2698326c807860a916b7efd3d1 | |
parent | 95116bf35f1bbc15a41be67f70f31b8de6075b8f (diff) |
lavc/audiotoolboxdec: move to new BSF API
-rw-r--r-- | libavcodec/audiotoolboxdec.c | 82 |
1 files changed, 54 insertions, 28 deletions
diff --git a/libavcodec/audiotoolboxdec.c b/libavcodec/audiotoolboxdec.c index 58d05f8e55..2748e8dbe2 100644 --- a/libavcodec/audiotoolboxdec.c +++ b/libavcodec/audiotoolboxdec.c @@ -43,10 +43,13 @@ typedef struct ATDecodeContext { AudioStreamPacketDescription pkt_desc; AVPacket in_pkt; AVPacket new_in_pkt; - AVBitStreamFilterContext *bsf; + AVBSFContext *bsf; char *decoded_data; int channel_map[64]; + uint8_t *extradata; + int extradata_size; + int64_t last_pts; int eof; } ATDecodeContext; @@ -224,22 +227,23 @@ static void put_descr(PutByteContext *pb, int tag, unsigned int size) static uint8_t* ffat_get_magic_cookie(AVCodecContext *avctx, UInt32 *cookie_size) { + ATDecodeContext *at = avctx->priv_data; if (avctx->codec_id == AV_CODEC_ID_AAC) { char *extradata; PutByteContext pb; - *cookie_size = 5 + 3 + 5+13 + 5+avctx->extradata_size; + *cookie_size = 5 + 3 + 5+13 + 5+at->extradata_size; if (!(extradata = av_malloc(*cookie_size))) return NULL; bytestream2_init_writer(&pb, extradata, *cookie_size); // ES descriptor - put_descr(&pb, 0x03, 3 + 5+13 + 5+avctx->extradata_size); + put_descr(&pb, 0x03, 3 + 5+13 + 5+at->extradata_size); bytestream2_put_be16(&pb, 0); bytestream2_put_byte(&pb, 0x00); // flags (= no flags) // DecoderConfig descriptor - put_descr(&pb, 0x04, 13 + 5+avctx->extradata_size); + put_descr(&pb, 0x04, 13 + 5+at->extradata_size); // Object type indication bytestream2_put_byte(&pb, 0x40); @@ -252,18 +256,19 @@ static uint8_t* ffat_get_magic_cookie(AVCodecContext *avctx, UInt32 *cookie_size bytestream2_put_be32(&pb, 0); // avgbitrate // DecoderSpecific info descriptor - put_descr(&pb, 0x05, avctx->extradata_size); - bytestream2_put_buffer(&pb, avctx->extradata, avctx->extradata_size); + put_descr(&pb, 0x05, at->extradata_size); + bytestream2_put_buffer(&pb, at->extradata, at->extradata_size); return extradata; } else { - *cookie_size = avctx->extradata_size; - return avctx->extradata; + *cookie_size = at->extradata_size; + return at->extradata; } } static av_cold int ffat_usable_extradata(AVCodecContext *avctx) { - return avctx->extradata_size && + ATDecodeContext *at = avctx->priv_data; + return at->extradata_size && (avctx->codec_id == AV_CODEC_ID_ALAC || avctx->codec_id == AV_CODEC_ID_AAC); } @@ -284,7 +289,7 @@ static int ffat_set_extradata(AVCodecContext *avctx) if (status != 0) av_log(avctx, AV_LOG_WARNING, "AudioToolbox cookie error: %i\n", (int)status); - if (cookie != avctx->extradata) + if (cookie != at->extradata) av_free(cookie); } return 0; @@ -320,7 +325,7 @@ static av_cold int ffat_create_decoder(AVCodecContext *avctx, AVPacket *pkt) return AVERROR(ENOMEM); status = AudioFormatGetProperty(kAudioFormatProperty_FormatInfo, cookie_size, cookie, &format_size, &in_format); - if (cookie != avctx->extradata) + if (cookie != at->extradata) av_free(cookie); if (status != 0) { av_log(avctx, AV_LOG_ERROR, "AudioToolbox header-parse error: %i\n", (int)status); @@ -391,6 +396,10 @@ static av_cold int ffat_create_decoder(AVCodecContext *avctx, AVPacket *pkt) static av_cold int ffat_init_decoder(AVCodecContext *avctx) { + ATDecodeContext *at = avctx->priv_data; + at->extradata = avctx->extradata; + at->extradata_size = avctx->extradata_size; + if ((avctx->channels && avctx->sample_rate) || ffat_usable_extradata(avctx)) return ffat_create_decoder(avctx, NULL); else @@ -416,8 +425,6 @@ static OSStatus ffat_decode_callback(AudioConverterRef converter, UInt32 *nb_pac av_packet_unref(&at->in_pkt); av_packet_move_ref(&at->in_pkt, &at->new_in_pkt); - at->new_in_pkt.data = 0; - at->new_in_pkt.size = 0; if (!at->in_pkt.data) { *nb_packets = 0; @@ -464,32 +471,48 @@ static int ffat_decode(AVCodecContext *avctx, void *data, ATDecodeContext *at = avctx->priv_data; AVFrame *frame = data; int pkt_size = avpkt->size; - AVPacket filtered_packet; + AVPacket filtered_packet = {0}; OSStatus ret; AudioBufferList out_buffers; if (avctx->codec_id == AV_CODEC_ID_AAC && avpkt->size > 2 && (AV_RB16(avpkt->data) & 0xfff0) == 0xfff0) { - uint8_t *p_filtered = NULL; - int n_filtered = 0; + AVPacket filter_pkt = {0}; if (!at->bsf) { - if(!(at->bsf = av_bitstream_filter_init("aac_adtstoasc"))) - return AVERROR(ENOMEM); + const AVBitStreamFilter *bsf = av_bsf_get_by_name("aac_adtstoasc"); + if(!bsf) + return AVERROR_BSF_NOT_FOUND; + if ((ret = av_bsf_alloc(bsf, &at->bsf))) + return ret; + if (((ret = avcodec_parameters_from_context(at->bsf->par_in, avctx)) < 0) || + ((ret = av_bsf_init(at->bsf)) < 0)) { + av_bsf_free(&at->bsf); + return ret; + } } - ret = av_bitstream_filter_filter(at->bsf, avctx, NULL, &p_filtered, &n_filtered, - avpkt->data, avpkt->size, 0); - if (ret >= 0 && p_filtered != avpkt->data) { - filtered_packet = *avpkt; - avpkt = &filtered_packet; - avpkt->data = p_filtered; - avpkt->size = n_filtered; + if ((ret = av_packet_ref(&filter_pkt, avpkt)) < 0) + return ret; + + if ((ret = av_bsf_send_packet(at->bsf, &filter_pkt)) < 0) { + av_packet_unref(&filter_pkt); + return ret; } + + if ((ret = av_bsf_receive_packet(at->bsf, &filtered_packet)) < 0) + return ret; + + at->extradata = at->bsf->par_out->extradata; + at->extradata_size = at->bsf->par_out->extradata_size; + + avpkt = &filtered_packet; } if (!at->converter) { - if ((ret = ffat_create_decoder(avctx, avpkt)) < 0) + if ((ret = ffat_create_decoder(avctx, avpkt)) < 0) { + av_packet_unref(&filtered_packet); return ret; + } } out_buffers = (AudioBufferList){ @@ -506,9 +529,11 @@ static int ffat_decode(AVCodecContext *avctx, void *data, av_packet_unref(&at->new_in_pkt); if (avpkt->size) { - if ((ret = av_packet_ref(&at->new_in_pkt, avpkt)) < 0) + if (filtered_packet.data) { + at->new_in_pkt = filtered_packet; + } else if ((ret = av_packet_ref(&at->new_in_pkt, avpkt)) < 0) { return ret; - at->new_in_pkt.data = avpkt->data; + } } else { at->eof = 1; } @@ -551,6 +576,7 @@ static av_cold int ffat_close_decoder(AVCodecContext *avctx) { ATDecodeContext *at = avctx->priv_data; AudioConverterDispose(at->converter); + av_bsf_free(&at->bsf); av_packet_unref(&at->new_in_pkt); av_packet_unref(&at->in_pkt); av_free(at->decoded_data); |