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avdevice/decklink: add support for audio and video input selection 

Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2016-06-18 12:04:15 +02:00
parent 8f9fa49bd8
commit da89c6e37c
6 changed files with 97 additions and 0 deletions
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10
doc/indevs.texi
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@ -255,6 +255,16 @@ Defaults to @samp{2}.
Sets the decklink device duplex mode. Must be @samp{unset}, @samp{half} or @samp{full}.
Defaults to @samp{unset}.
@item video_input
Sets the video input source. Must be @samp{unset}, @samp{sdi}, @samp{hdmi},
@samp{optical_sdi}, @samp{component}, @samp{composite} or @samp{s_video}.
Defaults to @samp{unset}.
@item audio_input
Sets the audio input source. Must be @samp{unset}, @samp{embedded},
@samp{aes_ebu}, @samp{analog}, @samp{analog_xlr}, @samp{analog_rca} or
@samp{microphone}. Defaults to @samp{unset}.
@end table
@subsection Examples

43
libavdevice/decklink_common.cpp
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@ -98,6 +98,35 @@ HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName)
return hr;
}
static int decklink_select_input(AVFormatContext *avctx, BMDDeckLinkConfigurationID cfg_id)
{
struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
BMDDeckLinkAttributeID attr_id = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? BMDDeckLinkAudioInputConnections : BMDDeckLinkVideoInputConnections;
int64_t bmd_input = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? ctx->audio_input : ctx->video_input;
const char *type_name = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? "audio" : "video";
int64_t supported_connections = 0;
HRESULT res;
if (bmd_input) {
res = ctx->attr->GetInt(attr_id, &supported_connections);
if (res != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Failed to query supported %s inputs.\n", type_name);
return AVERROR_EXTERNAL;
}
if ((supported_connections & bmd_input) != bmd_input) {
av_log(avctx, AV_LOG_ERROR, "Device does not support selected %s input.\n", type_name);
return AVERROR(ENOSYS);
}
res = ctx->cfg->SetInt(cfg_id, bmd_input);
if (res != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Failed to select %s input.\n", type_name);
return AVERROR_EXTERNAL;
}
}
return 0;
}
int ff_decklink_set_format(AVFormatContext *avctx,
int width, int height,
int tb_num, int tb_den,
@ -129,6 +158,13 @@ int ff_decklink_set_format(AVFormatContext *avctx,
}
if (direction == DIRECTION_IN) {
int ret;
ret = decklink_select_input(avctx, bmdDeckLinkConfigAudioInputConnection);
if (ret < 0)
return ret;
ret = decklink_select_input(avctx, bmdDeckLinkConfigVideoInputConnection);
if (ret < 0)
return ret;
res = ctx->dli->GetDisplayModeIterator (&itermode);
} else {
res = ctx->dlo->GetDisplayModeIterator (&itermode);
@ -224,6 +260,13 @@ int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direct
HRESULT res;
if (direction == DIRECTION_IN) {
int ret;
ret = decklink_select_input(avctx, bmdDeckLinkConfigAudioInputConnection);
if (ret < 0)
return ret;
ret = decklink_select_input(avctx, bmdDeckLinkConfigVideoInputConnection);
if (ret < 0)
return ret;
res = ctx->dli->GetDisplayModeIterator (&itermode);
} else {
res = ctx->dlo->GetDisplayModeIterator (&itermode);

21
libavdevice/decklink_common.h
View File

@ -53,6 +53,8 @@ struct decklink_ctx {
BMDTimeValue bmd_tb_den;
BMDTimeValue bmd_tb_num;
BMDDisplayMode bmd_mode;
BMDVideoConnection video_input;
BMDAudioConnection audio_input;
int bmd_width;
int bmd_height;
int bmd_field_dominance;
@ -102,6 +104,25 @@ IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
typedef uint32_t buffercount_type;
#endif
static const BMDAudioConnection decklink_audio_connection_map[] = {
0,
bmdAudioConnectionEmbedded,
bmdAudioConnectionAESEBU,
bmdAudioConnectionAnalog,
bmdAudioConnectionAnalogXLR,
bmdAudioConnectionAnalogRCA,
bmdAudioConnectionMicrophone,
};
static const BMDVideoConnection decklink_video_connection_map[] = {
0,
bmdVideoConnectionSDI,
bmdVideoConnectionHDMI,
bmdVideoConnectionOpticalSDI,
bmdVideoConnectionComponent,
bmdVideoConnectionComposite,
bmdVideoConnectionSVideo,
};
HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, decklink_direction_t direction = DIRECTION_OUT, int num = 0);

2
libavdevice/decklink_common_c.h
View File

@ -35,6 +35,8 @@ struct decklink_cctx {
int v210;
int audio_channels;
int duplex_mode;
int audio_input;
int video_input;
};
#endif /* AVDEVICE_DECKLINK_COMMON_C_H */

5
libavdevice/decklink_dec.cpp
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@ -28,6 +28,7 @@ extern "C" {
#include "config.h"
#include "libavformat/avformat.h"
#include "libavformat/internal.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#if CONFIG_LIBZVBI
#include <libzvbi.h>
@ -446,6 +447,10 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
ctx->teletext_lines = cctx->teletext_lines;
ctx->preroll = cctx->preroll;
ctx->duplex_mode = cctx->duplex_mode;
if (cctx->video_input > 0 && (unsigned int)cctx->video_input < FF_ARRAY_ELEMS(decklink_video_connection_map))
ctx->video_input = decklink_video_connection_map[cctx->video_input];
if (cctx->audio_input > 0 && (unsigned int)cctx->audio_input < FF_ARRAY_ELEMS(decklink_audio_connection_map))
ctx->audio_input = decklink_audio_connection_map[cctx->audio_input];
cctx->ctx = ctx;
#if !CONFIG_LIBZVBI

16
libavdevice/decklink_dec_c.c
View File

@ -40,6 +40,22 @@ static const AVOption options[] = {
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "duplex_mode"},
{ "half", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "duplex_mode"},
{ "full", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "duplex_mode"},
{ "video_input", "video input", OFFSET(video_input), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 6, DEC, "video_input"},
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "video_input"},
{ "sdi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "video_input"},
{ "hdmi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "video_input"},
{ "optical_sdi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "video_input"},
{ "component", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "video_input"},
{ "composite", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "video_input"},
{ "s_video", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "video_input"},
{ "audio_input", "audio input", OFFSET(audio_input), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 6, DEC, "audio_input"},
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "audio_input"},
{ "embedded", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "audio_input"},
{ "aes_ebu", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "audio_input"},
{ "analog", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "audio_input"},
{ "analog_xlr", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "audio_input"},
{ "analog_rca", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "audio_input"},
{ "microphone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "audio_input"},
{ NULL },
};