File size: 9,292 Bytes
8ead80b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 |
/*
* DirectShow capture interface
* Copyright (c) 2015 Roger Pack
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dshow_capture.h"
static const char *
GetPhysicalPinName(long pin_type)
{
switch (pin_type)
{
case PhysConn_Video_Tuner: return "Video Tuner";
case PhysConn_Video_Composite: return "Video Composite";
case PhysConn_Video_SVideo: return "S-Video";
case PhysConn_Video_RGB: return "Video RGB";
case PhysConn_Video_YRYBY: return "Video YRYBY";
case PhysConn_Video_SerialDigital: return "Video Serial Digital";
case PhysConn_Video_ParallelDigital: return "Video Parallel Digital";
case PhysConn_Video_SCSI: return "Video SCSI";
case PhysConn_Video_AUX: return "Video AUX";
case PhysConn_Video_1394: return "Video 1394";
case PhysConn_Video_USB: return "Video USB";
case PhysConn_Video_VideoDecoder: return "Video Decoder";
case PhysConn_Video_VideoEncoder: return "Video Encoder";
case PhysConn_Audio_Tuner: return "Audio Tuner";
case PhysConn_Audio_Line: return "Audio Line";
case PhysConn_Audio_Mic: return "Audio Microphone";
case PhysConn_Audio_AESDigital: return "Audio AES/EBU Digital";
case PhysConn_Audio_SPDIFDigital: return "Audio S/PDIF";
case PhysConn_Audio_SCSI: return "Audio SCSI";
case PhysConn_Audio_AUX: return "Audio AUX";
case PhysConn_Audio_1394: return "Audio 1394";
case PhysConn_Audio_USB: return "Audio USB";
case PhysConn_Audio_AudioDecoder: return "Audio Decoder";
default: return "Unknown Crossbar Pin Type—Please report!";
}
}
static HRESULT
setup_crossbar_options(IAMCrossbar *cross_bar, enum dshowDeviceType devtype, AVFormatContext *avctx)
{
struct dshow_ctx *ctx = avctx->priv_data;
long count_output_pins, count_input_pins;
int i;
int log_level = ctx->list_options ? AV_LOG_INFO : AV_LOG_DEBUG;
int video_input_pin = ctx->crossbar_video_input_pin_number;
int audio_input_pin = ctx->crossbar_audio_input_pin_number;
const char *device_name = ctx->device_name[devtype];
HRESULT hr;
av_log(avctx, log_level, "Crossbar Switching Information for %s:\n", device_name);
hr = IAMCrossbar_get_PinCounts(cross_bar, &count_output_pins, &count_input_pins);
if (hr != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to get crossbar pin counts\n");
return hr;
}
for (i = 0; i < count_output_pins; i++)
{
int j;
long related_pin, pin_type, route_to_pin;
hr = IAMCrossbar_get_CrossbarPinInfo(cross_bar, FALSE, i, &related_pin, &pin_type);
if (pin_type == PhysConn_Video_VideoDecoder) {
/* assume there is only one "Video (and one Audio) Decoder" output pin, and it's all we care about routing to...for now */
if (video_input_pin != -1) {
av_log(avctx, log_level, "Routing video input from pin %d\n", video_input_pin);
hr = IAMCrossbar_Route(cross_bar, i, video_input_pin);
if (hr != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to route video input from pin %d\n", video_input_pin);
return AVERROR(EIO);
}
}
} else if (pin_type == PhysConn_Audio_AudioDecoder) {
if (audio_input_pin != -1) {
av_log(avctx, log_level, "Routing audio input from pin %d\n", audio_input_pin);
hr = IAMCrossbar_Route(cross_bar, i, audio_input_pin);
if (hr != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to route audio input from pin %d\n", audio_input_pin);
return hr;
}
}
} else {
av_log(avctx, AV_LOG_WARNING, "Unexpected output pin type, please report the type if you want to use this (%s)", GetPhysicalPinName(pin_type));
}
hr = IAMCrossbar_get_IsRoutedTo(cross_bar, i, &route_to_pin);
if (hr != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to get crossbar is routed to from pin %d\n", i);
return hr;
}
av_log(avctx, log_level, " Crossbar Output pin %d: \"%s\" related output pin: %ld ", i, GetPhysicalPinName(pin_type), related_pin);
av_log(avctx, log_level, "current input pin: %ld ", route_to_pin);
av_log(avctx, log_level, "compatible input pins: ");
for (j = 0; j < count_input_pins; j++)
{
hr = IAMCrossbar_CanRoute(cross_bar, i, j);
if (hr == S_OK)
av_log(avctx, log_level ,"%d ", j);
}
av_log(avctx, log_level, "\n");
}
for (i = 0; i < count_input_pins; i++)
{
long related_pin, pin_type;
hr = IAMCrossbar_get_CrossbarPinInfo(cross_bar, TRUE, i, &related_pin, &pin_type);
if (hr != S_OK) {
av_log(avctx, AV_LOG_ERROR, "unable to get crossbar info audio input from pin %d\n", i);
return hr;
}
av_log(avctx, log_level, " Crossbar Input pin %d - \"%s\" ", i, GetPhysicalPinName(pin_type));
av_log(avctx, log_level, "related input pin: %ld\n", related_pin);
}
return S_OK;
}
/**
* Given a fully constructed graph, check if there is a cross bar filter, and configure its pins if so.
*/
HRESULT
ff_dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
IBaseFilter *device_filter, enum dshowDeviceType devtype, AVFormatContext *avctx)
{
struct dshow_ctx *ctx = avctx->priv_data;
IAMCrossbar *cross_bar = NULL;
IBaseFilter *cross_bar_base_filter = NULL;
IAMTVTuner *tv_tuner_filter = NULL;
IBaseFilter *tv_tuner_base_filter = NULL;
IAMAudioInputMixer *tv_audio_filter = NULL;
IBaseFilter *tv_audio_base_filter = NULL;
HRESULT hr;
hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, (const GUID *) NULL,
device_filter, &IID_IAMCrossbar, (void**) &cross_bar);
if (hr != S_OK) {
/* no crossbar found */
hr = S_OK;
goto end;
}
/* TODO some TV tuners apparently have multiple crossbars? */
if (devtype == VideoDevice && ctx->show_video_crossbar_connection_dialog ||
devtype == AudioDevice && ctx->show_audio_crossbar_connection_dialog) {
hr = IAMCrossbar_QueryInterface(cross_bar, &IID_IBaseFilter, (void **) &cross_bar_base_filter);
if (hr != S_OK)
goto end;
ff_dshow_show_filter_properties(cross_bar_base_filter, avctx);
}
if (devtype == VideoDevice && ctx->show_analog_tv_tuner_dialog) {
hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, NULL,
device_filter, &IID_IAMTVTuner, (void**) &tv_tuner_filter);
if (hr == S_OK) {
hr = IAMCrossbar_QueryInterface(tv_tuner_filter, &IID_IBaseFilter, (void **) &tv_tuner_base_filter);
if (hr != S_OK)
goto end;
ff_dshow_show_filter_properties(tv_tuner_base_filter, avctx);
} else {
av_log(avctx, AV_LOG_WARNING, "unable to find a tv tuner to display dialog for!");
}
}
if (devtype == AudioDevice && ctx->show_analog_tv_tuner_audio_dialog) {
hr = ICaptureGraphBuilder2_FindInterface(graph_builder2, &LOOK_UPSTREAM_ONLY, NULL,
device_filter, &IID_IAMTVAudio, (void**) &tv_audio_filter);
if (hr == S_OK) {
hr = IAMCrossbar_QueryInterface(tv_audio_filter, &IID_IBaseFilter, (void **) &tv_audio_base_filter);
if (hr != S_OK)
goto end;
ff_dshow_show_filter_properties(tv_audio_base_filter, avctx);
} else {
av_log(avctx, AV_LOG_WARNING, "unable to find a tv audio tuner to display dialog for!");
}
}
hr = setup_crossbar_options(cross_bar, devtype, avctx);
if (hr != S_OK)
goto end;
end:
if (cross_bar)
IAMCrossbar_Release(cross_bar);
if (cross_bar_base_filter)
IBaseFilter_Release(cross_bar_base_filter);
if (tv_tuner_filter)
IAMTVTuner_Release(tv_tuner_filter);
if (tv_tuner_base_filter)
IBaseFilter_Release(tv_tuner_base_filter);
if (tv_audio_filter)
IAMAudioInputMixer_Release(tv_audio_filter);
if (tv_audio_base_filter)
IBaseFilter_Release(tv_audio_base_filter);
return hr;
}
|