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@ -66,8 +66,7 @@ static const char wb_bitrate_unsupported[] = |
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"bitrate not supported: use one of 6.6k, 8.85k, 12.65k, 14.25k, 15.85k, 18.25k, 19.85k, 23.05k, or 23.85k\n"; |
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"bitrate not supported: use one of 6.6k, 8.85k, 12.65k, 14.25k, 15.85k, 18.25k, 19.85k, 23.05k, or 23.85k\n"; |
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/* Common code for fixed and float version*/ |
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/* Common code for fixed and float version*/ |
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typedef struct AMR_bitrates |
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typedef struct AMR_bitrates { |
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{ |
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int rate; |
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int rate; |
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enum Mode mode; |
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enum Mode mode; |
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} AMR_bitrates; |
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} AMR_bitrates; |
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@ -76,32 +75,31 @@ typedef struct AMR_bitrates |
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static int getBitrateMode(int bitrate) |
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static int getBitrateMode(int bitrate) |
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{ |
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{ |
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/* make the correspondance between bitrate and mode */ |
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/* make the correspondance between bitrate and mode */ |
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AMR_bitrates rates[]={ {4750,MR475}, |
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AMR_bitrates rates[] = { { 4750, MR475}, |
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{5150,MR515}, |
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{ 5150, MR515}, |
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{5900,MR59}, |
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{ 5900, MR59}, |
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{6700,MR67}, |
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{ 6700, MR67}, |
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{7400,MR74}, |
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{ 7400, MR74}, |
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{7950,MR795}, |
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{ 7950, MR795}, |
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{10200,MR102}, |
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{10200, MR102}, |
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{12200,MR122}, |
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{12200, MR122}, }; |
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}; |
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int i; |
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int i; |
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for(i=0;i<8;i++) |
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for (i = 0; i < 8; i++) |
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if(rates[i].rate==bitrate) |
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if (rates[i].rate == bitrate) |
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return rates[i].mode; |
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return rates[i].mode; |
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/* no bitrate matching, return an error */ |
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/* no bitrate matching, return an error */ |
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return -1; |
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return -1; |
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} |
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} |
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static void amr_decode_fix_avctx(AVCodecContext * avctx) |
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static void amr_decode_fix_avctx(AVCodecContext *avctx) |
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{ |
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{ |
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const int is_amr_wb = 1 + (avctx->codec_id == CODEC_ID_AMR_WB); |
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const int is_amr_wb = 1 + (avctx->codec_id == CODEC_ID_AMR_WB); |
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if(!avctx->sample_rate) |
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if (!avctx->sample_rate) |
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avctx->sample_rate = 8000 * is_amr_wb; |
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avctx->sample_rate = 8000 * is_amr_wb; |
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if(!avctx->channels) |
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if (!avctx->channels) |
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avctx->channels = 1; |
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avctx->channels = 1; |
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avctx->frame_size = 160 * is_amr_wb; |
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avctx->frame_size = 160 * is_amr_wb; |
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@ -112,27 +110,25 @@ static void amr_decode_fix_avctx(AVCodecContext * avctx) |
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typedef struct AMRContext { |
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typedef struct AMRContext { |
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int frameCount; |
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int frameCount; |
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void * decState; |
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void *decState; |
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int *enstate; |
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int *enstate; |
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int enc_bitrate; |
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int enc_bitrate; |
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} AMRContext; |
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} AMRContext; |
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static av_cold int amr_nb_decode_init(AVCodecContext * avctx) |
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static av_cold int amr_nb_decode_init(AVCodecContext *avctx) |
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{ |
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{ |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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s->frameCount=0; |
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s->frameCount = 0; |
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s->decState=Decoder_Interface_init(); |
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s->decState = Decoder_Interface_init(); |
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if(!s->decState) |
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if (!s->decState) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Decoder_Interface_init error\r\n"); |
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av_log(avctx, AV_LOG_ERROR, "Decoder_Interface_init error\r\n"); |
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return -1; |
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return -1; |
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} |
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} |
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amr_decode_fix_avctx(avctx); |
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amr_decode_fix_avctx(avctx); |
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if(avctx->channels > 1) |
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if (avctx->channels > 1) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "amr_nb: multichannel decoding not supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "amr_nb: multichannel decoding not supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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@ -140,7 +136,7 @@ static av_cold int amr_nb_decode_init(AVCodecContext * avctx) |
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return 0; |
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return 0; |
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} |
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} |
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static av_cold int amr_nb_decode_close(AVCodecContext * avctx) |
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static av_cold int amr_nb_decode_close(AVCodecContext *avctx) |
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{ |
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{ |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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@ -148,39 +144,40 @@ static av_cold int amr_nb_decode_close(AVCodecContext * avctx) |
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return 0; |
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return 0; |
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} |
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} |
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static int amr_nb_decode_frame(AVCodecContext * avctx, |
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static int amr_nb_decode_frame(AVCodecContext *avctx, void *data, |
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void *data, int *data_size, |
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int *data_size, AVPacket *avpkt) |
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AVPacket *avpkt) |
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{ |
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{ |
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const uint8_t *buf = avpkt->data; |
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const uint8_t *buf = avpkt->data; |
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int buf_size = avpkt->size; |
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int buf_size = avpkt->size; |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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const uint8_t*amrData=buf; |
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const uint8_t *amrData = buf; |
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static const uint8_t block_size[16]={ 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 }; |
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static const uint8_t block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 }; |
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enum Mode dec_mode; |
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enum Mode dec_mode; |
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int packet_size; |
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int packet_size; |
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/* av_log(NULL,AV_LOG_DEBUG,"amr_decode_frame buf=%p buf_size=%d frameCount=%d!!\n",buf,buf_size,s->frameCount); */ |
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/* av_log(NULL, AV_LOG_DEBUG, "amr_decode_frame buf=%p buf_size=%d frameCount=%d!!\n",
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buf, buf_size, s->frameCount); */ |
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dec_mode = (buf[0] >> 3) & 0x000F; |
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dec_mode = (buf[0] >> 3) & 0x000F; |
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packet_size = block_size[dec_mode]+1; |
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packet_size = block_size[dec_mode] + 1; |
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if(packet_size > buf_size) { |
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if (packet_size > buf_size) { |
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av_log(avctx, AV_LOG_ERROR, "amr frame too short (%u, should be %u)\n", buf_size, packet_size); |
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av_log(avctx, AV_LOG_ERROR, "amr frame too short (%u, should be %u)\n", |
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buf_size, packet_size); |
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return -1; |
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return -1; |
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} |
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} |
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s->frameCount++; |
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s->frameCount++; |
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/* av_log(NULL,AV_LOG_DEBUG,"packet_size=%d amrData= 0x%X %X %X %X\n",packet_size,amrData[0],amrData[1],amrData[2],amrData[3]); */ |
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/* av_log(NULL, AV_LOG_DEBUG, "packet_size=%d amrData= 0x%X %X %X %X\n",
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packet_size, amrData[0], amrData[1], amrData[2], amrData[3]); */ |
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/* call decoder */ |
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/* call decoder */ |
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Decoder_Interface_Decode(s->decState, amrData, data, 0); |
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Decoder_Interface_Decode(s->decState, amrData, data, 0); |
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*data_size=160*2; |
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*data_size = 160 * 2; |
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return packet_size; |
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return packet_size; |
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} |
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} |
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AVCodec libamr_nb_decoder = |
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AVCodec libamr_nb_decoder = { |
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{ |
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"libamr_nb", |
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"libamr_nb", |
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CODEC_TYPE_AUDIO, |
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CODEC_TYPE_AUDIO, |
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CODEC_ID_AMR_NB, |
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CODEC_ID_AMR_NB, |
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@ -192,36 +189,32 @@ AVCodec libamr_nb_decoder = |
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.long_name = NULL_IF_CONFIG_SMALL("libamr-nb Adaptive Multi-Rate (AMR) Narrow-Band"), |
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.long_name = NULL_IF_CONFIG_SMALL("libamr-nb Adaptive Multi-Rate (AMR) Narrow-Band"), |
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}; |
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}; |
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static av_cold int amr_nb_encode_init(AVCodecContext * avctx) |
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static av_cold int amr_nb_encode_init(AVCodecContext *avctx) |
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{ |
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{ |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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s->frameCount=0; |
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s->frameCount = 0; |
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if(avctx->sample_rate!=8000) |
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if (avctx->sample_rate != 8000) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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if(avctx->channels!=1) |
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if (avctx->channels != 1) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Only mono supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "Only mono supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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avctx->frame_size=160; |
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avctx->frame_size = 160; |
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avctx->coded_frame= avcodec_alloc_frame(); |
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avctx->coded_frame = avcodec_alloc_frame(); |
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s->enstate=Encoder_Interface_init(0); |
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s->enstate=Encoder_Interface_init(0); |
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if(!s->enstate) |
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if (!s->enstate) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Encoder_Interface_init error\n"); |
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av_log(avctx, AV_LOG_ERROR, "Encoder_Interface_init error\n"); |
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return -1; |
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return -1; |
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} |
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} |
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if((s->enc_bitrate=getBitrateMode(avctx->bit_rate))<0) |
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if ((s->enc_bitrate = getBitrateMode(avctx->bit_rate)) < 0) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
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return -1; |
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return -1; |
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} |
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} |
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@ -229,7 +222,7 @@ static av_cold int amr_nb_encode_init(AVCodecContext * avctx) |
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return 0; |
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return 0; |
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} |
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} |
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static av_cold int amr_nb_encode_close(AVCodecContext * avctx) |
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static av_cold int amr_nb_encode_close(AVCodecContext *avctx) |
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{ |
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{ |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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@ -239,29 +232,26 @@ static av_cold int amr_nb_encode_close(AVCodecContext * avctx) |
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} |
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} |
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static int amr_nb_encode_frame(AVCodecContext *avctx, |
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static int amr_nb_encode_frame(AVCodecContext *avctx, |
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unsigned char *frame/*out*/, int buf_size, void *data/*in*/) |
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unsigned char *frame/*out*/, |
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int buf_size, void *data/*in*/) |
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{ |
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{ |
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AMRContext *s = avctx->priv_data; |
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AMRContext *s = avctx->priv_data; |
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int written; |
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int written; |
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if((s->enc_bitrate=getBitrateMode(avctx->bit_rate))<0) |
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if ((s->enc_bitrate = getBitrateMode(avctx->bit_rate)) < 0) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
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return -1; |
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return -1; |
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} |
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} |
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written = Encoder_Interface_Encode(s->enstate, |
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written = Encoder_Interface_Encode(s->enstate, s->enc_bitrate, data, |
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s->enc_bitrate, |
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frame, 0); |
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data, |
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/* av_log(NULL, AV_LOG_DEBUG, "amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n",
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frame, |
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written, s->enc_bitrate, frame[0] ); */ |
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0); |
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/* av_log(NULL,AV_LOG_DEBUG,"amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n",written, s->enc_bitrate, frame[0] ); */ |
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return written; |
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return written; |
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} |
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} |
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AVCodec libamr_nb_encoder = |
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AVCodec libamr_nb_encoder = { |
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{ |
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"libamr_nb", |
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"libamr_nb", |
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CODEC_TYPE_AUDIO, |
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CODEC_TYPE_AUDIO, |
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CODEC_ID_AMR_NB, |
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CODEC_ID_AMR_NB, |
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@ -288,8 +278,7 @@ AVCodec libamr_nb_encoder = |
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#include <amrwb/if_rom.h> |
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#include <amrwb/if_rom.h> |
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/* Common code for fixed and float version*/ |
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/* Common code for fixed and float version*/ |
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typedef struct AMRWB_bitrates |
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typedef struct AMRWB_bitrates { |
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{ |
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int rate; |
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int rate; |
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int mode; |
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int mode; |
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} AMRWB_bitrates; |
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} AMRWB_bitrates; |
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@ -308,59 +297,55 @@ typedef struct AMRWBContext { |
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static int getWBBitrateMode(int bitrate) |
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static int getWBBitrateMode(int bitrate) |
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{ |
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{ |
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/* make the correspondance between bitrate and mode */ |
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/* make the correspondance between bitrate and mode */ |
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AMRWB_bitrates rates[]={ {6600,0}, |
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AMRWB_bitrates rates[] = { { 6600, 0}, |
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{8850,1}, |
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{ 8850, 1}, |
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{12650,2}, |
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{12650, 2}, |
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{14250,3}, |
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{14250, 3}, |
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{15850,4}, |
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{15850, 4}, |
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{18250,5}, |
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{18250, 5}, |
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{19850,6}, |
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{19850, 6}, |
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{23050,7}, |
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{23050, 7}, |
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{23850,8}, |
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{23850, 8}, }; |
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}; |
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int i; |
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int i; |
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for(i=0;i<9;i++) |
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for (i = 0; i < 9; i++) |
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if(rates[i].rate==bitrate) |
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if (rates[i].rate == bitrate) |
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return rates[i].mode; |
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return rates[i].mode; |
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/* no bitrate matching, return an error */ |
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/* no bitrate matching, return an error */ |
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return -1; |
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return -1; |
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} |
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} |
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static av_cold int amr_wb_encode_init(AVCodecContext * avctx) |
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static av_cold int amr_wb_encode_init(AVCodecContext *avctx) |
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{ |
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{ |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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s->frameCount=0; |
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s->frameCount = 0; |
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if(avctx->sample_rate!=16000) |
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if (avctx->sample_rate != 16000) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Only 16000Hz sample rate supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "Only 16000Hz sample rate supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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if(avctx->channels!=1) |
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if (avctx->channels != 1) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "Only mono supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "Only mono supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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if((s->mode=getWBBitrateMode(avctx->bit_rate))<0) |
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if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); |
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); |
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return -1; |
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return -1; |
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} |
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} |
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avctx->frame_size=320; |
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avctx->frame_size = 320; |
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avctx->coded_frame= avcodec_alloc_frame(); |
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avctx->coded_frame = avcodec_alloc_frame(); |
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s->state = E_IF_init(); |
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s->state = E_IF_init(); |
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s->allow_dtx=0; |
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s->allow_dtx = 0; |
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return 0; |
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return 0; |
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} |
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} |
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static int amr_wb_encode_close(AVCodecContext * avctx) |
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static int amr_wb_encode_close(AVCodecContext *avctx) |
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{ |
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{ |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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@ -371,13 +356,13 @@ static int amr_wb_encode_close(AVCodecContext * avctx) |
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} |
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} |
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static int amr_wb_encode_frame(AVCodecContext *avctx, |
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static int amr_wb_encode_frame(AVCodecContext *avctx, |
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unsigned char *frame/*out*/, int buf_size, void *data/*in*/) |
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unsigned char *frame/*out*/, |
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int buf_size, void *data/*in*/) |
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{ |
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{ |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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int size; |
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int size; |
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if((s->mode=getWBBitrateMode(avctx->bit_rate))<0) |
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if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); |
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); |
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return -1; |
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return -1; |
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} |
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} |
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@ -385,8 +370,7 @@ static int amr_wb_encode_frame(AVCodecContext *avctx, |
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return size; |
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return size; |
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} |
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} |
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AVCodec libamr_wb_encoder = |
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AVCodec libamr_wb_encoder = { |
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{ |
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"libamr_wb", |
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"libamr_wb", |
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CODEC_TYPE_AUDIO, |
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CODEC_TYPE_AUDIO, |
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CODEC_ID_AMR_WB, |
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CODEC_ID_AMR_WB, |
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@ -401,17 +385,16 @@ AVCodec libamr_wb_encoder = |
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#endif |
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#endif |
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static av_cold int amr_wb_decode_init(AVCodecContext * avctx) |
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static av_cold int amr_wb_decode_init(AVCodecContext *avctx) |
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{ |
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{ |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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s->frameCount=0; |
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s->frameCount = 0; |
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s->state = D_IF_init(); |
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s->state = D_IF_init(); |
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amr_decode_fix_avctx(avctx); |
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amr_decode_fix_avctx(avctx); |
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if(avctx->channels > 1) |
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if (avctx->channels > 1) { |
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{ |
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av_log(avctx, AV_LOG_ERROR, "amr_wb: multichannel decoding not supported\n"); |
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av_log(avctx, AV_LOG_ERROR, "amr_wb: multichannel decoding not supported\n"); |
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return -1; |
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return -1; |
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} |
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} |
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@ -419,37 +402,37 @@ static av_cold int amr_wb_decode_init(AVCodecContext * avctx) |
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return 0; |
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return 0; |
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} |
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} |
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static int amr_wb_decode_frame(AVCodecContext * avctx, |
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static int amr_wb_decode_frame(AVCodecContext *avctx, void *data, |
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void *data, int *data_size, |
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int *data_size, AVPacket *avpkt) |
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AVPacket *avpkt) |
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{ |
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{ |
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const uint8_t *buf = avpkt->data; |
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const uint8_t *buf = avpkt->data; |
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int buf_size = avpkt->size; |
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int buf_size = avpkt->size; |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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const uint8_t*amrData=buf; |
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const uint8_t *amrData = buf; |
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int mode; |
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int mode; |
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int packet_size; |
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int packet_size; |
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static const uint8_t block_size[16] = {18, 23, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1}; |
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static const uint8_t block_size[16] = {18, 23, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1}; |
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if(!buf_size) |
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if (!buf_size) |
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/* nothing to do */ |
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/* nothing to do */ |
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return 0; |
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return 0; |
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mode = (amrData[0] >> 3) & 0x000F; |
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mode = (amrData[0] >> 3) & 0x000F; |
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packet_size = block_size[mode]; |
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packet_size = block_size[mode]; |
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if(packet_size > buf_size) { |
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if (packet_size > buf_size) { |
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av_log(avctx, AV_LOG_ERROR, "amr frame too short (%u, should be %u)\n", buf_size, packet_size+1); |
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av_log(avctx, AV_LOG_ERROR, "amr frame too short (%u, should be %u)\n", |
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buf_size, packet_size + 1); |
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return -1; |
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return -1; |
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} |
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} |
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s->frameCount++; |
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s->frameCount++; |
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D_IF_decode( s->state, amrData, data, _good_frame); |
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D_IF_decode(s->state, amrData, data, _good_frame); |
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*data_size=320*2; |
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*data_size = 320 * 2; |
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return packet_size; |
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return packet_size; |
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} |
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} |
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static int amr_wb_decode_close(AVCodecContext * avctx) |
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static int amr_wb_decode_close(AVCodecContext *avctx) |
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{ |
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{ |
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AMRWBContext *s = avctx->priv_data; |
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AMRWBContext *s = avctx->priv_data; |
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@ -457,8 +440,7 @@ static int amr_wb_decode_close(AVCodecContext * avctx) |
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return 0; |
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return 0; |
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} |
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} |
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AVCodec libamr_wb_decoder = |
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AVCodec libamr_wb_decoder = { |
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{ |
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"libamr_wb", |
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"libamr_wb", |
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CODEC_TYPE_AUDIO, |
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CODEC_TYPE_AUDIO, |
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CODEC_ID_AMR_WB, |
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CODEC_ID_AMR_WB, |
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