diff --git a/channels/rdpsnd/client/rdpsnd_main.c b/channels/rdpsnd/client/rdpsnd_main.c index 420626160..2daac35e8 100644 --- a/channels/rdpsnd/client/rdpsnd_main.c +++ b/channels/rdpsnd/client/rdpsnd_main.c @@ -136,108 +136,6 @@ void rdpsnd_send_quality_mode_pdu(rdpsndPlugin* rdpsnd) svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu); } -void rdpsnd_free_audio_formats(AUDIO_FORMAT* formats, UINT16 count) -{ - int index; - AUDIO_FORMAT* format; - - if (formats) - { - for (index = 0; index < (int) count; index++) - { - format = &formats[index]; - - if (format->cbSize) - free(format->data); - } - - free(formats); - } -} - -char* rdpsnd_get_audio_tag_string(UINT16 wFormatTag) -{ - switch (wFormatTag) - { - case WAVE_FORMAT_PCM: - return "WAVE_FORMAT_PCM"; - - case WAVE_FORMAT_ADPCM: - return "WAVE_FORMAT_ADPCM"; - - case WAVE_FORMAT_ALAW: - return "WAVE_FORMAT_ALAW"; - - case WAVE_FORMAT_MULAW: - return "WAVE_FORMAT_MULAW"; - - case WAVE_FORMAT_DVI_ADPCM: - return "WAVE_FORMAT_DVI_ADPCM"; - - case WAVE_FORMAT_GSM610: - return "WAVE_FORMAT_GSM610"; - - case WAVE_FORMAT_MSG723: - return "WAVE_FORMAT_MSG723"; - - case WAVE_FORMAT_DSPGROUP_TRUESPEECH: - return "WAVE_FORMAT_DSPGROUP_TRUESPEECH "; - - case WAVE_FORMAT_MPEGLAYER3: - return "WAVE_FORMAT_MPEGLAYER3"; - - case WAVE_FORMAT_WMAUDIO2: - return "WAVE_FORMAT_WMAUDIO2"; - } - - return "WAVE_FORMAT_UNKNOWN"; -} - -void rdpsnd_print_audio_format(AUDIO_FORMAT* format) -{ - printf("%s:\t wFormatTag: 0x%04X nChannels: %d nSamplesPerSec: %d nAvgBytesPerSec: %d nBlockAlign: %d wBitsPerSample: %d cbSize: %d\n", - rdpsnd_get_audio_tag_string(format->wFormatTag), format->wFormatTag, - format->nChannels, format->nSamplesPerSec, format->nAvgBytesPerSec, - format->nBlockAlign, format->wBitsPerSample, format->cbSize); -} - -void rdpsnd_print_audio_formats(AUDIO_FORMAT* formats, UINT16 count) -{ - int index; - AUDIO_FORMAT* format; - - if (formats) - { - printf("AUDIO_FORMATS (%d) =\n{\n", count); - - for (index = 0; index < (int) count; index++) - { - format = &formats[index]; - - printf("\t"); - rdpsnd_print_audio_format(format); - } - - printf("}\n"); - } -} - -UINT32 rdpsnd_compute_audio_time_length(AUDIO_FORMAT* format, int size) -{ - UINT32 mstime; - UINT32 wSamples; - - /** - * [MSDN-AUDIOFORMAT]: - * http://msdn.microsoft.com/en-us/library/ms713497.aspx - */ - - wSamples = (size * 8) / format->wBitsPerSample; - mstime = (((wSamples * 1000) / format->nSamplesPerSec) / format->nChannels); - - return mstime; -} - void rdpsnd_select_supported_audio_formats(rdpsndPlugin* rdpsnd) { int index; diff --git a/include/freerdp/channels/rdpsnd.h b/include/freerdp/channels/rdpsnd.h index b2c4eea80..b206ea843 100644 --- a/include/freerdp/channels/rdpsnd.h +++ b/include/freerdp/channels/rdpsnd.h @@ -23,164 +23,7 @@ #include #include -#ifdef _WIN32 -#include -#endif - -struct AUDIO_FORMAT -{ - UINT16 wFormatTag; - UINT16 nChannels; - UINT32 nSamplesPerSec; - UINT32 nAvgBytesPerSec; - UINT16 nBlockAlign; - UINT16 wBitsPerSample; - UINT16 cbSize; - BYTE* data; -}; -typedef struct AUDIO_FORMAT AUDIO_FORMAT; - -#define SNDC_CLOSE 1 -#define SNDC_WAVE 2 -#define SNDC_SETVOLUME 3 -#define SNDC_SETPITCH 4 -#define SNDC_WAVECONFIRM 5 -#define SNDC_TRAINING 6 -#define SNDC_FORMATS 7 -#define SNDC_CRYPTKEY 8 -#define SNDC_WAVEENCRYPT 9 -#define SNDC_UDPWAVE 10 -#define SNDC_UDPWAVELAST 11 -#define SNDC_QUALITYMODE 12 -#define SNDC_WAVE2 13 - -#define TSSNDCAPS_ALIVE 1 -#define TSSNDCAPS_VOLUME 2 -#define TSSNDCAPS_PITCH 4 - -#define DYNAMIC_QUALITY 0x0000 -#define MEDIUM_QUALITY 0x0001 -#define HIGH_QUALITY 0x0002 - -/* - * Format Tags: - * http://tools.ietf.org/html/rfc2361 - */ - -#define WAVE_FORMAT_UNKNOWN 0x0000 - -#ifndef WAVE_FORMAT_PCM -#define WAVE_FORMAT_PCM 0x0001 -#endif - -#define WAVE_FORMAT_ADPCM 0x0002 -#define WAVE_FORMAT_IEEE_FLOAT 0x0003 -#define WAVE_FORMAT_VSELP 0x0004 -#define WAVE_FORMAT_IBM_CVSD 0x0005 -#define WAVE_FORMAT_ALAW 0x0006 -#define WAVE_FORMAT_MULAW 0x0007 -#define WAVE_FORMAT_OKI_ADPCM 0x0010 -#define WAVE_FORMAT_DVI_ADPCM 0x0011 -#define WAVE_FORMAT_MEDIASPACE_ADPCM 0x0012 -#define WAVE_FORMAT_SIERRA_ADPCM 0x0013 -#define WAVE_FORMAT_G723_ADPCM 0x0014 -#define WAVE_FORMAT_DIGISTD 0x0015 -#define WAVE_FORMAT_DIGIFIX 0x0016 -#define WAVE_FORMAT_DIALOGIC_OKI_ADPCM 0x0017 -#define WAVE_FORMAT_MEDIAVISION_ADPCM 0x0018 -#define WAVE_FORMAT_CU_CODEC 0x0019 -#define WAVE_FORMAT_YAMAHA_ADPCM 0x0020 -#define WAVE_FORMAT_SONARC 0x0021 -#define WAVE_FORMAT_DSPGROUP_TRUESPEECH 0x0022 -#define WAVE_FORMAT_ECHOSC1 0x0023 -#define WAVE_FORMAT_AUDIOFILE_AF36 0x0024 -#define WAVE_FORMAT_APTX 0x0025 -#define WAVE_FORMAT_AUDIOFILE_AF10 0x0026 -#define WAVE_FORMAT_PROSODY_1612 0x0027 -#define WAVE_FORMAT_LRC 0x0028 -#define WAVE_FORMAT_DOLBY_AC2 0x0030 -#define WAVE_FORMAT_GSM610 0x0031 -#define WAVE_FORMAT_MSNAUDIO 0x0032 -#define WAVE_FORMAT_ANTEX_ADPCME 0x0033 -#define WAVE_FORMAT_CONTROL_RES_VQLPC 0x0034 -#define WAVE_FORMAT_DIGIREAL 0x0035 -#define WAVE_FORMAT_DIGIADPCM 0x0036 -#define WAVE_FORMAT_CONTROL_RES_CR10 0x0037 -#define WAVE_FORMAT_NMS_VBXADPCM 0x0038 -#define WAVE_FORMAT_ROLAND_RDAC 0x0039 -#define WAVE_FORMAT_ECHOSC3 0x003A -#define WAVE_FORMAT_ROCKWELL_ADPCM 0x003B -#define WAVE_FORMAT_ROCKWELL_DIGITALK 0x003C -#define WAVE_FORMAT_XEBEC 0x003D -#define WAVE_FORMAT_G721_ADPCM 0x0040 -#define WAVE_FORMAT_G728_CELP 0x0041 -#define WAVE_FORMAT_MSG723 0x0042 -#define WAVE_FORMAT_MPEG 0x0050 -#define WAVE_FORMAT_RT24 0x0052 -#define WAVE_FORMAT_PAC 0x0053 - -#ifndef WAVE_FORMAT_MPEGLAYER3 -#define WAVE_FORMAT_MPEGLAYER3 0x0055 -#endif - -#define WAVE_FORMAT_LUCENT_G723 0x0059 -#define WAVE_FORMAT_CIRRUS 0x0060 -#define WAVE_FORMAT_ESPCM 0x0061 -#define WAVE_FORMAT_VOXWARE 0x0062 -#define WAVE_FORMAT_CANOPUS_ATRAC 0x0063 -#define WAVE_FORMAT_G726_ADPCM 0x0064 -#define WAVE_FORMAT_G722_ADPCM 0x0065 -#define WAVE_FORMAT_DSAT 0x0066 -#define WAVE_FORMAT_DSAT_DISPLAY 0x0067 -#define WAVE_FORMAT_VOXWARE_BYTE_ALIGNED 0x0069 -#define WAVE_FORMAT_VOXWARE_AC8 0x0070 -#define WAVE_FORMAT_VOXWARE_AC10 0x0071 -#define WAVE_FORMAT_VOXWARE_AC16 0x0072 -#define WAVE_FORMAT_VOXWARE_AC20 0x0073 -#define WAVE_FORMAT_VOXWARE_RT24 0x0074 -#define WAVE_FORMAT_VOXWARE_RT29 0x0075 -#define WAVE_FORMAT_VOXWARE_RT29HW 0x0076 -#define WAVE_FORMAT_VOXWARE_VR12 0x0077 -#define WAVE_FORMAT_VOXWARE_VR18 0x0078 -#define WAVE_FORMAT_VOXWARE_TQ40 0x0079 -#define WAVE_FORMAT_SOFTSOUND 0x0080 -#define WAVE_FORMAT_VOXWARE_TQ60 0x0081 -#define WAVE_FORMAT_MSRT24 0x0082 -#define WAVE_FORMAT_G729A 0x0083 -#define WAVE_FORMAT_MVI_MV12 0x0084 -#define WAVE_FORMAT_DF_G726 0x0085 -#define WAVE_FORMAT_DF_GSM610 0x0086 -#define WAVE_FORMAT_ISIAUDIO 0x0088 -#define WAVE_FORMAT_ONLIVE 0x0089 -#define WAVE_FORMAT_SBC24 0x0091 -#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 -#define WAVE_FORMAT_ZYXEL_ADPCM 0x0097 -#define WAVE_FORMAT_PHILIPS_LPCBB 0x0098 -#define WAVE_FORMAT_PACKED 0x0099 -#define WAVE_FORMAT_RHETOREX_ADPCM 0x0100 -#define WAVE_FORMAT_IRAT 0x0101 -#define WAVE_FORMAT_VIVO_G723 0x0111 -#define WAVE_FORMAT_VIVO_SIREN 0x0112 -#define WAVE_FORMAT_DIGITAL_G723 0x0123 -#define WAVE_FORMAT_WMAUDIO2 0x0161 -#define WAVE_FORMAT_WMAUDIO3 0x0162 -#define WAVE_FORMAT_WMAUDIO_LOSSLESS 0x0163 -#define WAVE_FORMAT_CREATIVE_ADPCM 0x0200 -#define WAVE_FORMAT_CREATIVE_FASTSPEECH8 0x0202 -#define WAVE_FORMAT_CREATIVE_FASTSPEECH10 0x0203 -#define WAVE_FORMAT_QUARTERDECK 0x0220 -#define WAVE_FORMAT_FM_TOWNS_SND 0x0300 -#define WAVE_FORMAT_BTV_DIGITAL 0x0400 -#define WAVE_FORMAT_VME_VMPCM 0x0680 -#define WAVE_FORMAT_OLIGSM 0x1000 -#define WAVE_FORMAT_OLIADPCM 0x1001 -#define WAVE_FORMAT_OLICELP 0x1002 -#define WAVE_FORMAT_OLISBC 0x1003 -#define WAVE_FORMAT_OLIOPR 0x1004 -#define WAVE_FORMAT_LH_CODEC 0x1100 -#define WAVE_FORMAT_NORRIS 0x1400 -#define WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS 0x1500 -#define WAVE_FORMAT_DVM 0x2000 +#include #endif /* FREERDP_CHANNEL_RDPSND_H */ diff --git a/include/freerdp/codec/audio.h b/include/freerdp/codec/audio.h new file mode 100644 index 000000000..384ce1f7c --- /dev/null +++ b/include/freerdp/codec/audio.h @@ -0,0 +1,198 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Audio Formats + * + * Copyright 2013 Marc-Andre Moreau + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef FREERDP_CODEC_AUDIO_H +#define FREERDP_CODEC_AUDIO_H + +#include +#include + +#ifdef _WIN32 +#include +#endif + +struct AUDIO_FORMAT +{ + UINT16 wFormatTag; + UINT16 nChannels; + UINT32 nSamplesPerSec; + UINT32 nAvgBytesPerSec; + UINT16 nBlockAlign; + UINT16 wBitsPerSample; + UINT16 cbSize; + BYTE* data; +}; +typedef struct AUDIO_FORMAT AUDIO_FORMAT; + +#define SNDC_CLOSE 1 +#define SNDC_WAVE 2 +#define SNDC_SETVOLUME 3 +#define SNDC_SETPITCH 4 +#define SNDC_WAVECONFIRM 5 +#define SNDC_TRAINING 6 +#define SNDC_FORMATS 7 +#define SNDC_CRYPTKEY 8 +#define SNDC_WAVEENCRYPT 9 +#define SNDC_UDPWAVE 10 +#define SNDC_UDPWAVELAST 11 +#define SNDC_QUALITYMODE 12 +#define SNDC_WAVE2 13 + +#define TSSNDCAPS_ALIVE 1 +#define TSSNDCAPS_VOLUME 2 +#define TSSNDCAPS_PITCH 4 + +#define DYNAMIC_QUALITY 0x0000 +#define MEDIUM_QUALITY 0x0001 +#define HIGH_QUALITY 0x0002 + +/* + * Format Tags: + * http://tools.ietf.org/html/rfc2361 + */ + +#define WAVE_FORMAT_UNKNOWN 0x0000 + +#ifndef WAVE_FORMAT_PCM +#define WAVE_FORMAT_PCM 0x0001 +#endif + +#define WAVE_FORMAT_ADPCM 0x0002 +#define WAVE_FORMAT_IEEE_FLOAT 0x0003 +#define WAVE_FORMAT_VSELP 0x0004 +#define WAVE_FORMAT_IBM_CVSD 0x0005 +#define WAVE_FORMAT_ALAW 0x0006 +#define WAVE_FORMAT_MULAW 0x0007 +#define WAVE_FORMAT_OKI_ADPCM 0x0010 +#define WAVE_FORMAT_DVI_ADPCM 0x0011 +#define WAVE_FORMAT_MEDIASPACE_ADPCM 0x0012 +#define WAVE_FORMAT_SIERRA_ADPCM 0x0013 +#define WAVE_FORMAT_G723_ADPCM 0x0014 +#define WAVE_FORMAT_DIGISTD 0x0015 +#define WAVE_FORMAT_DIGIFIX 0x0016 +#define WAVE_FORMAT_DIALOGIC_OKI_ADPCM 0x0017 +#define WAVE_FORMAT_MEDIAVISION_ADPCM 0x0018 +#define WAVE_FORMAT_CU_CODEC 0x0019 +#define WAVE_FORMAT_YAMAHA_ADPCM 0x0020 +#define WAVE_FORMAT_SONARC 0x0021 +#define WAVE_FORMAT_DSPGROUP_TRUESPEECH 0x0022 +#define WAVE_FORMAT_ECHOSC1 0x0023 +#define WAVE_FORMAT_AUDIOFILE_AF36 0x0024 +#define WAVE_FORMAT_APTX 0x0025 +#define WAVE_FORMAT_AUDIOFILE_AF10 0x0026 +#define WAVE_FORMAT_PROSODY_1612 0x0027 +#define WAVE_FORMAT_LRC 0x0028 +#define WAVE_FORMAT_DOLBY_AC2 0x0030 +#define WAVE_FORMAT_GSM610 0x0031 +#define WAVE_FORMAT_MSNAUDIO 0x0032 +#define WAVE_FORMAT_ANTEX_ADPCME 0x0033 +#define WAVE_FORMAT_CONTROL_RES_VQLPC 0x0034 +#define WAVE_FORMAT_DIGIREAL 0x0035 +#define WAVE_FORMAT_DIGIADPCM 0x0036 +#define WAVE_FORMAT_CONTROL_RES_CR10 0x0037 +#define WAVE_FORMAT_NMS_VBXADPCM 0x0038 +#define WAVE_FORMAT_ROLAND_RDAC 0x0039 +#define WAVE_FORMAT_ECHOSC3 0x003A +#define WAVE_FORMAT_ROCKWELL_ADPCM 0x003B +#define WAVE_FORMAT_ROCKWELL_DIGITALK 0x003C +#define WAVE_FORMAT_XEBEC 0x003D +#define WAVE_FORMAT_G721_ADPCM 0x0040 +#define WAVE_FORMAT_G728_CELP 0x0041 +#define WAVE_FORMAT_MSG723 0x0042 +#define WAVE_FORMAT_MPEG 0x0050 +#define WAVE_FORMAT_RT24 0x0052 +#define WAVE_FORMAT_PAC 0x0053 + +#ifndef WAVE_FORMAT_MPEGLAYER3 +#define WAVE_FORMAT_MPEGLAYER3 0x0055 +#endif + +#define WAVE_FORMAT_LUCENT_G723 0x0059 +#define WAVE_FORMAT_CIRRUS 0x0060 +#define WAVE_FORMAT_ESPCM 0x0061 +#define WAVE_FORMAT_VOXWARE 0x0062 +#define WAVE_FORMAT_CANOPUS_ATRAC 0x0063 +#define WAVE_FORMAT_G726_ADPCM 0x0064 +#define WAVE_FORMAT_G722_ADPCM 0x0065 +#define WAVE_FORMAT_DSAT 0x0066 +#define WAVE_FORMAT_DSAT_DISPLAY 0x0067 +#define WAVE_FORMAT_VOXWARE_BYTE_ALIGNED 0x0069 +#define WAVE_FORMAT_VOXWARE_AC8 0x0070 +#define WAVE_FORMAT_VOXWARE_AC10 0x0071 +#define WAVE_FORMAT_VOXWARE_AC16 0x0072 +#define WAVE_FORMAT_VOXWARE_AC20 0x0073 +#define WAVE_FORMAT_VOXWARE_RT24 0x0074 +#define WAVE_FORMAT_VOXWARE_RT29 0x0075 +#define WAVE_FORMAT_VOXWARE_RT29HW 0x0076 +#define WAVE_FORMAT_VOXWARE_VR12 0x0077 +#define WAVE_FORMAT_VOXWARE_VR18 0x0078 +#define WAVE_FORMAT_VOXWARE_TQ40 0x0079 +#define WAVE_FORMAT_SOFTSOUND 0x0080 +#define WAVE_FORMAT_VOXWARE_TQ60 0x0081 +#define WAVE_FORMAT_MSRT24 0x0082 +#define WAVE_FORMAT_G729A 0x0083 +#define WAVE_FORMAT_MVI_MV12 0x0084 +#define WAVE_FORMAT_DF_G726 0x0085 +#define WAVE_FORMAT_DF_GSM610 0x0086 +#define WAVE_FORMAT_ISIAUDIO 0x0088 +#define WAVE_FORMAT_ONLIVE 0x0089 +#define WAVE_FORMAT_SBC24 0x0091 +#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 +#define WAVE_FORMAT_ZYXEL_ADPCM 0x0097 +#define WAVE_FORMAT_PHILIPS_LPCBB 0x0098 +#define WAVE_FORMAT_PACKED 0x0099 +#define WAVE_FORMAT_RHETOREX_ADPCM 0x0100 +#define WAVE_FORMAT_IRAT 0x0101 +#define WAVE_FORMAT_VIVO_G723 0x0111 +#define WAVE_FORMAT_VIVO_SIREN 0x0112 +#define WAVE_FORMAT_DIGITAL_G723 0x0123 +#define WAVE_FORMAT_WMAUDIO2 0x0161 +#define WAVE_FORMAT_WMAUDIO3 0x0162 +#define WAVE_FORMAT_WMAUDIO_LOSSLESS 0x0163 +#define WAVE_FORMAT_CREATIVE_ADPCM 0x0200 +#define WAVE_FORMAT_CREATIVE_FASTSPEECH8 0x0202 +#define WAVE_FORMAT_CREATIVE_FASTSPEECH10 0x0203 +#define WAVE_FORMAT_QUARTERDECK 0x0220 +#define WAVE_FORMAT_FM_TOWNS_SND 0x0300 +#define WAVE_FORMAT_BTV_DIGITAL 0x0400 +#define WAVE_FORMAT_VME_VMPCM 0x0680 +#define WAVE_FORMAT_OLIGSM 0x1000 +#define WAVE_FORMAT_OLIADPCM 0x1001 +#define WAVE_FORMAT_OLICELP 0x1002 +#define WAVE_FORMAT_OLISBC 0x1003 +#define WAVE_FORMAT_OLIOPR 0x1004 +#define WAVE_FORMAT_LH_CODEC 0x1100 +#define WAVE_FORMAT_NORRIS 0x1400 +#define WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS 0x1500 +#define WAVE_FORMAT_DVM 0x2000 + +/** + * Audio Format Functions + */ + +FREERDP_API UINT32 rdpsnd_compute_audio_time_length(AUDIO_FORMAT* format, int size); + +FREERDP_API char* rdpsnd_get_audio_tag_string(UINT16 wFormatTag); + +FREERDP_API void rdpsnd_print_audio_format(AUDIO_FORMAT* format); +FREERDP_API void rdpsnd_print_audio_formats(AUDIO_FORMAT* formats, UINT16 count); + +FREERDP_API void rdpsnd_free_audio_formats(AUDIO_FORMAT* formats, UINT16 count); + +#endif /* FREERDP_CODEC_AUDIO_H */ diff --git a/libfreerdp/codec/CMakeLists.txt b/libfreerdp/codec/CMakeLists.txt index 4bf327a64..8895848b2 100644 --- a/libfreerdp/codec/CMakeLists.txt +++ b/libfreerdp/codec/CMakeLists.txt @@ -22,6 +22,7 @@ set(${MODULE_PREFIX}_SRCS dsp.c bitmap.c color.c + audio.c rfx_bitstream.h rfx_constants.h rfx_decode.c diff --git a/libfreerdp/codec/audio.c b/libfreerdp/codec/audio.c new file mode 100644 index 000000000..612f38e0a --- /dev/null +++ b/libfreerdp/codec/audio.c @@ -0,0 +1,129 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Audio Formats + * + * Copyright 2013 Marc-Andre Moreau + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include + +UINT32 rdpsnd_compute_audio_time_length(AUDIO_FORMAT* format, int size) +{ + UINT32 mstime; + UINT32 wSamples; + + /** + * [MSDN-AUDIOFORMAT]: + * http://msdn.microsoft.com/en-us/library/ms713497.aspx + */ + + wSamples = (size * 8) / format->wBitsPerSample; + mstime = (((wSamples * 1000) / format->nSamplesPerSec) / format->nChannels); + + return mstime; +} + +char* rdpsnd_get_audio_tag_string(UINT16 wFormatTag) +{ + switch (wFormatTag) + { + case WAVE_FORMAT_PCM: + return "WAVE_FORMAT_PCM"; + + case WAVE_FORMAT_ADPCM: + return "WAVE_FORMAT_ADPCM"; + + case WAVE_FORMAT_ALAW: + return "WAVE_FORMAT_ALAW"; + + case WAVE_FORMAT_MULAW: + return "WAVE_FORMAT_MULAW"; + + case WAVE_FORMAT_DVI_ADPCM: + return "WAVE_FORMAT_DVI_ADPCM"; + + case WAVE_FORMAT_GSM610: + return "WAVE_FORMAT_GSM610"; + + case WAVE_FORMAT_MSG723: + return "WAVE_FORMAT_MSG723"; + + case WAVE_FORMAT_DSPGROUP_TRUESPEECH: + return "WAVE_FORMAT_DSPGROUP_TRUESPEECH "; + + case WAVE_FORMAT_MPEGLAYER3: + return "WAVE_FORMAT_MPEGLAYER3"; + + case WAVE_FORMAT_WMAUDIO2: + return "WAVE_FORMAT_WMAUDIO2"; + } + + return "WAVE_FORMAT_UNKNOWN"; +} + +void rdpsnd_print_audio_format(AUDIO_FORMAT* format) +{ + printf("%s:\t wFormatTag: 0x%04X nChannels: %d nSamplesPerSec: %d nAvgBytesPerSec: %d " + "nBlockAlign: %d wBitsPerSample: %d cbSize: %d\n", + rdpsnd_get_audio_tag_string(format->wFormatTag), format->wFormatTag, + format->nChannels, format->nSamplesPerSec, format->nAvgBytesPerSec, + format->nBlockAlign, format->wBitsPerSample, format->cbSize); +} + +void rdpsnd_print_audio_formats(AUDIO_FORMAT* formats, UINT16 count) +{ + int index; + AUDIO_FORMAT* format; + + if (formats) + { + printf("AUDIO_FORMATS (%d) =\n{\n", count); + + for (index = 0; index < (int) count; index++) + { + format = &formats[index]; + + printf("\t"); + rdpsnd_print_audio_format(format); + } + + printf("}\n"); + } +} + +void rdpsnd_free_audio_formats(AUDIO_FORMAT* formats, UINT16 count) +{ + int index; + AUDIO_FORMAT* format; + + if (formats) + { + for (index = 0; index < (int) count; index++) + { + format = &formats[index]; + + if (format->cbSize) + free(format->data); + } + + free(formats); + } +}