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msm: vidc: Modify the MPEG-2 aspect ratio calculation

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MPEG-2 display aspect ratio calculation was done similar
to MPEG-4 standard. Correct it as per the MPEG-2 standard
and video core interface specification.

Change-Id: I1aa98ca238c7b38e35c78905b29457cfa59edd45
Signed-off-by: Shobhit Pandey <cshopan@codeaurora.org>
(cherry picked from commit ce5f973881c11491c3fa35ceb8c945a6c8ee2b8f)

Signed-off-by: Manish Kumar <manishku@codeaurora.org>
This commit is contained in:
Shobhit Pandey 2012-11-05 10:44:37 +05:30 committed by Stephen Boyd
parent 1eae5cfc0b
commit 2e298ef9e6
1 changed files with 36 additions and 13 deletions
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49
drivers/video/msm/vidc/1080p/ddl/vcd_ddl_shared_mem.c
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@ -975,20 +975,12 @@ void vidc_sm_get_aspect_ratio_info(struct ddl_buf_addr *shared_mem,
(codec == VCD_CODEC_DIVX_4) ||
(codec == VCD_CODEC_DIVX_5) ||
(codec == VCD_CODEC_DIVX_6) ||
(codec == VCD_CODEC_XVID) ||
(codec == VCD_CODEC_MPEG2)) {
(codec == VCD_CODEC_XVID)) {
if (codec == VCD_CODEC_MPEG2) {
aspect_ratio_info->aspect_ratio =
VIDC_GETFIELD(aspect_ratio,
VIDC_SM_MPEG2_ASPECT_RATIO_INFO_BMSK,
VIDC_SM_MPEG2_ASPECT_RATIO_INFO_SHFT);
} else {
aspect_ratio_info->aspect_ratio =
VIDC_GETFIELD(aspect_ratio,
VIDC_SM_MPEG4_ASPECT_RATIO_INFO_BMSK,
VIDC_SM_MPEG4_ASPECT_RATIO_INFO_SHFT);
}
aspect_ratio_info->aspect_ratio =
VIDC_GETFIELD(aspect_ratio,
VIDC_SM_MPEG4_ASPECT_RATIO_INFO_BMSK,
VIDC_SM_MPEG4_ASPECT_RATIO_INFO_SHFT);
switch (aspect_ratio_info->aspect_ratio) {
case 1:
@ -1029,7 +1021,38 @@ void vidc_sm_get_aspect_ratio_info(struct ddl_buf_addr *shared_mem,
aspect_ratio_info->par_height = 1;
break;
}
} else if (codec == VCD_CODEC_MPEG2) {
aspect_ratio_info->aspect_ratio =
VIDC_GETFIELD(aspect_ratio,
VIDC_SM_MPEG2_ASPECT_RATIO_INFO_BMSK,
VIDC_SM_MPEG2_ASPECT_RATIO_INFO_SHFT);
switch (aspect_ratio_info->aspect_ratio) {
case 1:
aspect_ratio_info->par_width = 1;
aspect_ratio_info->par_height = 1;
break;
case 2:
aspect_ratio_info->par_width = 4;
aspect_ratio_info->par_height = 3;
break;
case 3:
aspect_ratio_info->par_width = 16;
aspect_ratio_info->par_height = 9;
break;
case 4:
aspect_ratio_info->par_width = 221;
aspect_ratio_info->par_height = 100;
break;
default:
DDL_MSG_LOW("Incorrect Aspect Ratio.");
aspect_ratio_info->par_width = 1;
aspect_ratio_info->par_height = 1;
break;
}
}
}
void vidc_sm_set_encoder_slice_batch_int_ctrl(struct ddl_buf_addr *shared_mem,