Revert "mm-video-v4l2: Protect buffer access and increase input buffer size"

This reverts commit fd2e438d1b2cff89a3150e575e77341a7f01679e.

Reason for revert: regression failures on oc-mr1/bullhead

Change-Id: Ifd50946f0cdbf068ff7bb9fc46f8f1254d196ace
Bug: 64340487
Bug: 78291359
Bug: 78913375
Merged-In: I800e3da4f056fe37be23a7a2567171f42c92e4a6
Merged-In: I9db2e2592600137151d0e3f86f6b6dc2f03a950d
Merged-In: Ibd1ed01c7d740553b3cf90b6f3dd2fd447563284
Merged-In: I1763963839375db90f76dd0022bd1767ac5f067d
Merged-In: I69398d4fb236289be5f0b79f8db9a3bc30144b90
Merged-In: Ie9caad90482698913db06cdb9aeebfd869fe1a6a

2 files changed, 6 insertions, 27 deletions

diff --git a/mm-video-v4l2/vidc/vdec/inc/omx_vdec.h b/mm-video-v4l2/vidc/vdec/inc/omx_vdec.h
index f043172..bc3d41a 100644
--- a/mm-video-v4l2/vidc/vdec/inc/omx_vdec.h
+++ b/mm-video-v4l2/vidc/vdec/inc/omx_vdec.h
@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
-Copyright (c) 2010 - 2014, 2018, The Linux Foundation. All rights reserved.
+Copyright (c) 2010 - 2014, The Linux Foundation. All rights reserved.
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
@@ -1098,7 +1098,7 @@ class omx_vdec: public qc_omx_component
         }
 
         static OMX_ERRORTYPE describeColorFormat(OMX_PTR params);
-        bool m_buffer_error;
+
 };
 
 #ifdef _MSM8974_
diff --git a/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp b/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
index 4118ba0..c0d19e0 100644
--- a/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
+++ b/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
@@ -592,8 +592,7 @@ omx_vdec::omx_vdec(): m_error_propogated(false),
     client_set_fps(false),
     m_last_rendered_TS(-1),
     m_queued_codec_config_count(0),
-    secure_scaling_to_non_secure_opb(false),
-    m_buffer_error(false)
+    secure_scaling_to_non_secure_opb(false)
 {
     /* Assumption is that , to begin with , we have all the frames with decoder */
     DEBUG_PRINT_HIGH("In %u bit OMX vdec Constructor", (unsigned int)sizeof(long) * 8);
@@ -4704,7 +4703,6 @@ OMX_ERRORTYPE  omx_vdec::use_output_buffer(
         eRet = allocate_output_headers();
         if (eRet == OMX_ErrorNone)
             eRet = allocate_extradata();
-        output_use_buffer = true;
     }
 
     if (eRet == OMX_ErrorNone) {
@@ -5317,7 +5315,6 @@ OMX_ERRORTYPE  omx_vdec::allocate_input_buffer(
     unsigned   i = 0;
     unsigned char *buf_addr = NULL;
     int pmem_fd = -1;
-    unsigned int align_size = 0;
 
     (void) hComp;
     (void) port;
@@ -5377,10 +5374,8 @@ OMX_ERRORTYPE  omx_vdec::allocate_input_buffer(
         int rc;
         DEBUG_PRINT_LOW("Allocate input Buffer");
 #ifdef USE_ION
-        align_size = drv_ctx.ip_buf.buffer_size + 512;
-        align_size = (align_size + drv_ctx.ip_buf.alignment - 1)&(~(drv_ctx.ip_buf.alignment - 1));
         drv_ctx.ip_buf_ion_info[i].ion_device_fd = alloc_map_ion_memory(
-                align_size, drv_ctx.op_buf.alignment,
+                drv_ctx.ip_buf.buffer_size,drv_ctx.op_buf.alignment,
                 &drv_ctx.ip_buf_ion_info[i].ion_alloc_data,
                 &drv_ctx.ip_buf_ion_info[i].fd_ion_data, secure_mode ? ION_SECURE
 #ifndef DISABLE_INPUT_BUFFER_CACHE
@@ -5873,10 +5868,6 @@ OMX_ERRORTYPE  omx_vdec::allocate_buffer(OMX_IN OMX_HANDLETYPE                hC
             eRet = allocate_input_buffer(hComp,bufferHdr,port,appData,bytes);
         }
     } else if (port == OMX_CORE_OUTPUT_PORT_INDEX) {
-        if (output_use_buffer) {
-            DEBUG_PRINT_ERROR("Allocate output buffer not allowed after use buffer");
-            return OMX_ErrorBadParameter;
-        }
         eRet = client_buffers.allocate_buffers_color_convert(hComp,bufferHdr,port,
                 appData,bytes);
     } else {
@@ -5937,7 +5928,6 @@ OMX_ERRORTYPE  omx_vdec::free_buffer(OMX_IN OMX_HANDLETYPE         hComp,
     (void) hComp;
     DEBUG_PRINT_LOW("In for decoder free_buffer");
 
-    auto_lock l(buf_lock);
     if (m_state == OMX_StateIdle &&
             (BITMASK_PRESENT(&m_flags ,OMX_COMPONENT_LOADING_PENDING))) {
         DEBUG_PRINT_LOW(" free buffer while Component in Loading pending");
@@ -5954,7 +5944,7 @@ OMX_ERRORTYPE  omx_vdec::free_buffer(OMX_IN OMX_HANDLETYPE         hComp,
         post_event(OMX_EventError,
                 OMX_ErrorPortUnpopulated,
                 OMX_COMPONENT_GENERATE_EVENT);
-        m_buffer_error = true;
+
         return OMX_ErrorIncorrectStateOperation;
     } else if (m_state != OMX_StateInvalid) {
         DEBUG_PRINT_ERROR("Invalid state to free buffer,port lost Buffers");
@@ -6059,7 +6049,6 @@ OMX_ERRORTYPE  omx_vdec::free_buffer(OMX_IN OMX_HANDLETYPE         hComp,
             BITMASK_CLEAR((&m_flags),OMX_COMPONENT_LOADING_PENDING);
             post_event(OMX_CommandStateSet, OMX_StateLoaded,
                     OMX_COMPONENT_GENERATE_EVENT);
-            m_buffer_error = false;
         }
     }
     return eRet;
@@ -6233,11 +6222,6 @@ OMX_ERRORTYPE  omx_vdec::empty_this_buffer_proxy(OMX_IN OMX_HANDLETYPE  hComp,
     if (!temp_buffer || (temp_buffer -  drv_ctx.ptr_inputbuffer) > (int)drv_ctx.ip_buf.actualcount) {
         return OMX_ErrorBadParameter;
     }
-
-    if (BITMASK_ABSENT(&m_inp_bm_count, nPortIndex) || m_buffer_error) {
-        DEBUG_PRINT_ERROR("ETBProxy: ERROR: invalid buffer, nPortIndex %u", nPortIndex);
-        return OMX_ErrorBadParameter;
-    }
     /* If its first frame, H264 codec and reject is true, then parse the nal
        and get the profile. Based on this, reject the clip playback */
     if (first_frame == 0 && codec_type_parse == CODEC_TYPE_H264 &&
@@ -6521,7 +6505,6 @@ OMX_ERRORTYPE  omx_vdec::fill_this_buffer_proxy(
     struct vdec_bufferpayload     *ptr_outputbuffer = NULL;
     struct vdec_output_frameinfo  *ptr_respbuffer = NULL;
 
-    auto_lock l(buf_lock);
     nPortIndex = buffer-((OMX_BUFFERHEADERTYPE *)client_buffers.get_il_buf_hdr());
 
     if (bufferAdd == NULL || nPortIndex >= drv_ctx.op_buf.actualcount) {
@@ -6530,10 +6513,6 @@ OMX_ERRORTYPE  omx_vdec::fill_this_buffer_proxy(
         return OMX_ErrorBadParameter;
     }
 
-    if (BITMASK_ABSENT(&m_out_bm_count, nPortIndex) || m_buffer_error) {
-        DEBUG_PRINT_ERROR("FTBProxy: ERROR: invalid buffer, nPortIndex %u", nPortIndex);
-        return OMX_ErrorBadParameter;
-    }
     DEBUG_PRINT_LOW("FTBProxy: bufhdr = %p, bufhdr->pBuffer = %p",
             bufferAdd, bufferAdd->pBuffer);
     /*Return back the output buffer to client*/
@@ -7692,7 +7671,7 @@ int omx_vdec::async_message_process (void *context, void* message)
                         output_respbuf->pic_type = PICTURE_TYPE_B;
                     }
 
-                    if (!omx->m_enable_android_native_buffers && omx->output_use_buffer)
+                    if (omx->output_use_buffer)
                         memcpy ( omxhdr->pBuffer, (void *)
                                 ((unsigned long)vdec_msg->msgdata.output_frame.bufferaddr +
                                  (unsigned long)vdec_msg->msgdata.output_frame.offset),