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path: root/drivers/media/common/cx2341x.c
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Diffstat (limited to 'drivers/media/common/cx2341x.c')
-rw-r--r--drivers/media/common/cx2341x.c151
1 files changed, 93 insertions, 58 deletions
diff --git a/drivers/media/common/cx2341x.c b/drivers/media/common/cx2341x.c
index 1dcc39b87bb7..121cda73ff88 100644
--- a/drivers/media/common/cx2341x.c
+++ b/drivers/media/common/cx2341x.c
@@ -1028,7 +1028,7 @@ static int cx2341x_api(void *priv, cx2341x_mbox_func func,
return func(priv, cmd, args, 0, data);
}
-#define NEQ(field) (old->field != new->field)
+#define CMP_FIELD(__old, __new, __field) (__old->__field != __new->__field)
int cx2341x_update(void *priv, cx2341x_mbox_func func,
const struct cx2341x_mpeg_params *old,
@@ -1042,20 +1042,22 @@ int cx2341x_update(void *priv, cx2341x_mbox_func func,
11, /* VCD */
12, /* SVCD */
};
-
- int err = 0;
- int force = (old == NULL);
- u16 temporal = new->video_temporal_filter;
+ int err;
cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0);
- if (force || NEQ(is_50hz)) {
+ if (!old ||
+ CMP_FIELD(old, new, is_50hz)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1,
new->is_50hz);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(width) || NEQ(height) || NEQ(video_encoding)) {
+ if (!old ||
+ CMP_FIELD(old, new, width) ||
+ CMP_FIELD(old, new, height) ||
+ CMP_FIELD(old, new, video_encoding)) {
u16 w = new->width;
u16 h = new->height;
@@ -1065,94 +1067,127 @@ int cx2341x_update(void *priv, cx2341x_mbox_func func,
}
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_SIZE, 2,
h, w);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(stream_type)) {
+ if (!old ||
+ CMP_FIELD(old, new, stream_type)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1,
mpeg_stream_type[new->stream_type]);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(video_aspect)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_aspect)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1,
1 + new->video_aspect);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(video_b_frames) || NEQ(video_gop_size)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_b_frames) ||
+ CMP_FIELD(old, new, video_gop_size)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_PROPERTIES, 2,
- new->video_gop_size, new->video_b_frames + 1);
- if (err) return err;
+ new->video_gop_size, new->video_b_frames + 1);
+ if (err)
+ return err;
}
- if (force || NEQ(video_gop_closure)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_gop_closure)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1,
new->video_gop_closure);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(audio_properties)) {
+ if (!old ||
+ CMP_FIELD(old, new, audio_properties)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES,
1, new->audio_properties);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(audio_mute)) {
+ if (!old ||
+ CMP_FIELD(old, new, audio_mute)) {
err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1,
new->audio_mute);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(video_bitrate_mode) || NEQ(video_bitrate) ||
- NEQ(video_bitrate_peak)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_bitrate_mode) ||
+ CMP_FIELD(old, new, video_bitrate) ||
+ CMP_FIELD(old, new, video_bitrate_peak)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_BIT_RATE, 5,
- new->video_bitrate_mode, new->video_bitrate,
- new->video_bitrate_peak / 400, 0, 0);
- if (err) return err;
+ new->video_bitrate_mode, new->video_bitrate,
+ new->video_bitrate_peak / 400, 0, 0);
+ if (err)
+ return err;
}
- if (force || NEQ(video_spatial_filter_mode) ||
- NEQ(video_temporal_filter_mode) ||
- NEQ(video_median_filter_type)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_spatial_filter_mode) ||
+ CMP_FIELD(old, new, video_temporal_filter_mode) ||
+ CMP_FIELD(old, new, video_median_filter_type)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_MODE,
- 2, new->video_spatial_filter_mode |
+ 2,
+ new->video_spatial_filter_mode |
(new->video_temporal_filter_mode << 1),
- new->video_median_filter_type);
- if (err) return err;
+ new->video_median_filter_type);
+ if (err)
+ return err;
}
- if (force || NEQ(video_luma_median_filter_bottom) ||
- NEQ(video_luma_median_filter_top) ||
- NEQ(video_chroma_median_filter_bottom) ||
- NEQ(video_chroma_median_filter_top)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_luma_median_filter_bottom) ||
+ CMP_FIELD(old, new, video_luma_median_filter_top) ||
+ CMP_FIELD(old, new, video_chroma_median_filter_bottom) ||
+ CMP_FIELD(old, new, video_chroma_median_filter_top)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_CORING_LEVELS, 4,
- new->video_luma_median_filter_bottom,
- new->video_luma_median_filter_top,
- new->video_chroma_median_filter_bottom,
- new->video_chroma_median_filter_top);
- if (err) return err;
+ new->video_luma_median_filter_bottom,
+ new->video_luma_median_filter_top,
+ new->video_chroma_median_filter_bottom,
+ new->video_chroma_median_filter_top);
+ if (err)
+ return err;
}
- if (force || NEQ(video_luma_spatial_filter_type) ||
- NEQ(video_chroma_spatial_filter_type)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_luma_spatial_filter_type) ||
+ CMP_FIELD(old, new, video_chroma_spatial_filter_type)) {
err = cx2341x_api(priv, func,
CX2341X_ENC_SET_SPATIAL_FILTER_TYPE,
2, new->video_luma_spatial_filter_type,
new->video_chroma_spatial_filter_type);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(video_spatial_filter) ||
- old->video_temporal_filter != temporal) {
+ if (!old ||
+ CMP_FIELD(old, new, video_spatial_filter) ||
+ CMP_FIELD(old, new, video_temporal_filter)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS,
- 2, new->video_spatial_filter, temporal);
- if (err) return err;
+ 2, new->video_spatial_filter,
+ new->video_temporal_filter);
+ if (err)
+ return err;
}
- if (force || NEQ(video_temporal_decimation)) {
+ if (!old ||
+ CMP_FIELD(old, new, video_temporal_decimation)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE,
1, new->video_temporal_decimation);
- if (err) return err;
+ if (err)
+ return err;
}
- if (force || NEQ(video_mute) ||
- (new->video_mute && NEQ(video_mute_yuv))) {
+ if (!old ||
+ CMP_FIELD(old, new, video_mute) ||
+ (new->video_mute && CMP_FIELD(old, new, video_mute_yuv))) {
err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_VIDEO, 1,
- new->video_mute | (new->video_mute_yuv << 8));
- if (err) return err;
+ new->video_mute | (new->video_mute_yuv << 8));
+ if (err)
+ return err;
}
- if (force || NEQ(stream_insert_nav_packets)) {
+ if (!old ||
+ CMP_FIELD(old, new, stream_insert_nav_packets)) {
err = cx2341x_api(priv, func, CX2341X_ENC_MISC, 2,
- 7, new->stream_insert_nav_packets);
- if (err) return err;
+ 7, new->stream_insert_nav_packets);
+ if (err)
+ return err;
}
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.