diff options
author | Daniel W. S. Almeida <dwlsalmeida@gmail.com> | 2020-10-31 18:05:51 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-11-26 09:40:16 +0300 |
commit | 99b99d135ee3fd3a073556b5b646a69b1793f3a2 (patch) | |
tree | 6d0f02ed8884145b445b1e557841bb000765c917 /drivers/media/test-drivers | |
parent | 84306c96b1c249d5eab6af9f86110a2d80b56010 (diff) | |
download | linux-99b99d135ee3fd3a073556b5b646a69b1793f3a2.tar.xz |
media: vidtv: Move s302m specific fields into encoder context
A few fields used only by the tone generator in the s302m encoder
are stored in struct vidtv_encoder. Move them into
struct vidtv_s302m_ctx instead. While we are at it: fix a
checkpatch warning for long lines.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/test-drivers')
-rw-r--r-- | drivers/media/test-drivers/vidtv/vidtv_encoder.h | 3 | ||||
-rw-r--r-- | drivers/media/test-drivers/vidtv/vidtv_s302m.c | 25 | ||||
-rw-r--r-- | drivers/media/test-drivers/vidtv/vidtv_s302m.h | 3 |
3 files changed, 17 insertions, 14 deletions
diff --git a/drivers/media/test-drivers/vidtv/vidtv_encoder.h b/drivers/media/test-drivers/vidtv/vidtv_encoder.h index 65d81daef4c3..f742d566fbcb 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_encoder.h +++ b/drivers/media/test-drivers/vidtv/vidtv_encoder.h @@ -131,9 +131,6 @@ struct vidtv_encoder { u32 encoder_buf_offset; u64 sample_count; - int last_duration; - int note_offset; - enum musical_notes last_tone; struct vidtv_access_unit *access_units; diff --git a/drivers/media/test-drivers/vidtv/vidtv_s302m.c b/drivers/media/test-drivers/vidtv/vidtv_s302m.c index a447ccbd68d5..aacf8110d874 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_s302m.c +++ b/drivers/media/test-drivers/vidtv/vidtv_s302m.c @@ -230,36 +230,38 @@ static u16 vidtv_s302m_get_sample(struct vidtv_encoder *e) { u16 sample; int pos; + struct vidtv_s302m_ctx *ctx = e->ctx; if (!e->src_buf) { /* * Simple tone generator: play the tones at the * beethoven_5th_symphony array. */ - if (e->last_duration <= 0) { + if (ctx->last_duration <= 0) { if (e->src_buf_offset >= ARRAY_SIZE(beethoven_5th_symphony)) e->src_buf_offset = 0; - e->last_tone = beethoven_5th_symphony[e->src_buf_offset].note; - e->last_duration = beethoven_5th_symphony[e->src_buf_offset].duration * S302M_SAMPLING_RATE_HZ / COMPASS / 5; + ctx->last_tone = beethoven_5th_symphony[e->src_buf_offset].note; + ctx->last_duration = beethoven_5th_symphony[e->src_buf_offset].duration * + S302M_SAMPLING_RATE_HZ / COMPASS / 5; e->src_buf_offset++; - e->note_offset = 0; + ctx->note_offset = 0; } else { - e->last_duration--; + ctx->last_duration--; } /* Handle silent */ - if (!e->last_tone) { + if (!ctx->last_tone) { e->src_buf_offset = 0; return 0x8000; } - pos = (2 * PI * e->note_offset * e->last_tone / S302M_SAMPLING_RATE_HZ); + pos = (2 * PI * ctx->note_offset * ctx->last_tone / S302M_SAMPLING_RATE_HZ); if (pos == 360) - e->note_offset = 0; + ctx->note_offset = 0; else - e->note_offset++; + ctx->note_offset++; return (fixp_sin32(pos % (2 * PI)) >> 16) + 0x8000; } @@ -442,6 +444,7 @@ struct vidtv_encoder { struct vidtv_encoder *e = kzalloc(sizeof(*e), GFP_KERNEL); u32 priv_sz = sizeof(struct vidtv_s302m_ctx); + struct vidtv_s302m_ctx *ctx = kzalloc(priv_sz, GFP_KERNEL); e->id = S302M; @@ -453,14 +456,14 @@ struct vidtv_encoder e->encoder_buf_offset = 0; e->sample_count = 0; - e->last_duration = 0; e->src_buf = (args.src_buf) ? args.src_buf : NULL; e->src_buf_sz = (args.src_buf) ? args.src_buf_sz : 0; e->src_buf_offset = 0; e->is_video_encoder = false; - e->ctx = kzalloc(priv_sz, GFP_KERNEL); + e->ctx = ctx; + ctx->last_duration = 0; e->encode = vidtv_s302m_encode; e->clear = vidtv_s302m_clear; diff --git a/drivers/media/test-drivers/vidtv/vidtv_s302m.h b/drivers/media/test-drivers/vidtv/vidtv_s302m.h index eca5e3150ede..b1bbe521e766 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_s302m.h +++ b/drivers/media/test-drivers/vidtv/vidtv_s302m.h @@ -39,6 +39,9 @@ struct vidtv_s302m_ctx { struct vidtv_encoder *enc; u32 frame_index; u32 au_count; + int last_duration; + int note_offset; + enum musical_notes last_tone; }; /** |